Merge branch 'feat_receipt_upload'

2023-03-19 12:56:08 +01:00 · 2023-03-19 12:56:08 +01:00 · 8069a794e2
commit 8069a794e2
parent b997e25a08 2e33f9b5a8
130 changed files with 14163 additions and 597 deletions
--- a/.dockerignore
+++ b/.dockerignore
@ -0,0 +1,9 @@
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--- a/.env.vault
+++ b/.env.vault
@ -0,0 +1,12 @@
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--- a/.gitignore
+++ b/.gitignore
@ -1,3 +1,45 @@
 # Created by https://www.toptal.com/developers/gitignore/api/flask,python,git,visualstudiocode,angular,venv
 # Edit at https://www.toptal.com/developers/gitignore?templates=flask,python,git,visualstudiocode,angular,venv
 ### Angular ###
 ## Angular ##
 # compiled output
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 ### Flask.Python Stack ###
 # Byte-compiled / optimized / DLL files
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@ -10,7 +52,6 @@ __pycache__/
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@ -20,7 +61,6 @@ parts/
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@ -50,6 +90,7 @@ coverage.xml
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 # Translations
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@ -63,7 +104,6 @@ db.sqlite3-journal
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@ -72,6 +112,7 @@ instance/
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 # PyBuilder
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@ -82,7 +123,9 @@ profile_default/
 ipython_config.py
 # pyenv
-.python-version
+#   For a library or package, you might want to ignore these files since the code is
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@ -91,7 +134,22 @@ ipython_config.py
 #   install all needed dependencies.
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-# PEP 582; used by e.g. github.com/David-OConnor/pyflow
+# poetry
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@ -102,9 +160,7 @@ celerybeat.pid
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@ -129,6 +185,157 @@ dmypy.json
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 # Misc
 config.yaml
 scans.json
@ -136,3 +343,8 @@ test.*
 *.db
 .vscode
 *.tar
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--- a/28
+++ b/28
@ -1,27 +1,25 @@
-FROM python@sha256:38000b248a186dcae150fe2f64d23bd44a0730347d1e5e4d1faedd449a9a4913
+FROM python@sha256:53da4973924b6b3da6eb34f98e4e9dffdaf1cc05b468da73c69e3a862c36ee19
 # python:3.10.10-slim-bullseye
 RUN useradd costhive
-RUN useradd scan2kasse
+WORKDIR /home/costhive
-WORKDIR /home/scan2kasse
+RUN apt update && apt -y upgrade
 RUN apt update && apt upgrade
 RUN apt install -y libpq-dev gcc g++
-COPY requirements.txt requirements.txt
+RUN python -m pip install pipenv
 RUN python -m venv venv
 RUN venv/bin/pip install -r requirements.txt
 RUN venv/bin/pip install gunicorn
-COPY app app
+COPY boot.sh ./
 COPY migrations migrations
 COPY configs configs
 COPY run.py boot.sh ./
 RUN chmod +x boot.sh
 COPY backend backend
 ENV FLASK_APP run.py
-RUN chown -R scan2kasse:scan2kasse ./
+RUN chown -R costhive:costhive ./
-USER scan2kasse
+USER costhive
 RUN cd backend && pipenv install && pipenv install gunicorn && cd ..
 EXPOSE 5000
 ENTRYPOINT ["./boot.sh"]
--- a/README.md
+++ b/README.md
@ -1 +1 @@
-# WG_Scan2Kasse
+# CostHive
--- a/app/api/init.py
+++ b/app/api/init.py
@ -1,5 +0,0 @@
 from flask import Blueprint
 bp = Blueprint('api', __name__)
 from app.api import routes
--- a/app/auth/init.py
+++ b/app/auth/init.py
@ -1,5 +0,0 @@
 from flask import Blueprint
 bp = Blueprint('auth', __name__)
 from app.auth import forms, routes
--- a/app/errors/init.py
+++ b/app/errors/init.py
@ -1,5 +0,0 @@
 from flask import Blueprint
 bp = Blueprint('errors', __name__)
 from app.errors import handlers
--- a/app/main/routes.py
+++ b/app/main/routes.py
@ -1,116 +0,0 @@
 from app import db, LOGGER
 from app.main.forms import NewItemForm
 from app.main import bp
 from app.models import AmountChange, Brand, Establishment, LoginToken, Item, PriceChange
 from app.utils import view_utils, database_utils
 from app.utils.routes_utils import render_custom_template as render_template
 from datetime import date
 from flask import abort, redirect, request, url_for
 from flask.json import jsonify
 from flask_login import current_user, login_required
@bp.route('/')
@bp.route('/index')
 def index():
    return render_template("base.html")
 # @bp.route('/')
 # def test():
 #     return "Hello World"
@bp.route('/overview', methods=['GET'])
@login_required
 def get_report_from_user():
    if current_user.is_anonymous:
        abort(403)
    if 'month' in request.args:
        try:
            month = int(request.args['month'])
        except Exception as e:
            LOGGER.exception("")
            abort(400)
        else:
            if (month > 12 or month < 1):
                abort(400)
    LOGGER.info("Getting results.")
    results = database_utils.get_report(**request.args)
    LOGGER.debug(f"Results received.")
    # LOGGER.debug(str(results))
    if results:
        result_list = view_utils.group_results(results)
    else:
        result_list = []
    if request.content_type == "application/json":
        return jsonify(result_list)
    else:
        if "establishment" in request.args:
            return render_template("main/overview.html", results=result_list, establishment = Establishment.query.get(int(request.args['establishment'])))
        else:
            return render_template("main/overview.html", results=result_list)
@bp.route('/token_authorization')
 def token_authorization():
    LOGGER.debug("Token Login")
    if not request.json or 'login' not in request.json:
        abort(400)
    if not LoginToken.query.filter_by(token=request.json['login']).first():
        abort(403)
    return jsonify({}), 200
@bp.route('/token_insert', methods=['POST'])
 def insert():
    match request.json:
        case {'user': user, 'items': items, 'date': date}:
            failed = database_utils.insert_bought_items(user, items, date)
        case {'user': user, 'items': items}:
            failed = database_utils.insert_bought_items(user, items)
        case _:
            abort(400)
    if failed:
        return jsonify(failed), 400
    return jsonify({'inserted': True}), 201
@bp.route('/new_item', methods=['GET', 'POST'])
@login_required
 def new_item():
    if current_user.is_anonymous:
        abort(403)
    form=NewItemForm.new()
    if form.is_submitted():
        LOGGER.debug("submitted")
    if form.validate():
        LOGGER.debug("valid")
    else:
        LOGGER.debug(form.errors)
    if form.validate_on_submit():
        LOGGER.debug("valid form")
        brand = Brand.query.get(form.brand.data)
        new_item = Item(id = form.id.data, name = form.name.data, brand = brand.id, description = form.description.data)
        # if form.category.data:
        #     category = Category.query.get(id = form.category.data)
        #     new_item.Category = category
        new_item.PriceChange = [PriceChange(Item = new_item, date = date(2021, 12, 1), price = form.price_change.data)]
        if form.amount_change.data:
            new_item.AmountChange = [AmountChange(Item = new_item, date = date(2021, 12, 1), amount = form.amount_change.data)]
        db.session.add(new_item)
        db.session.commit()
        return redirect(url_for('index'))
    return render_template('main/new_item.html', form=form)
@bp.route('/overview/register_boughts', methods=['GET'])
@login_required
 def check_unregistered_items():
    if current_user.is_anonymous or not request.args or 'establishment' not in request.args:
        abort(403)
    establishment = Establishment.query.get(int(request.args['establishment']))
    if current_user.id != establishment.owner:
        abort(403)
    results = database_utils.get_unregistered_and_register(establishment.id)
    if results:
        result_list = view_utils.group_results(results)
    else:
        result_list = []
    if request.content_type == "application/json":
        return jsonify(result_list)
    else:
        return render_template("main/overview.html", results=result_list)
--- a/app/models.py
+++ b/app/models.py
@ -1,143 +0,0 @@
 import jwt
 from app import db, login
 from datetime import date
 from flask import current_app
 from flask_login import UserMixin
 from time import time
 from werkzeug.security import generate_password_hash, check_password_hash
 item_category = db.Table("item_category",
    db.Column("item", db.ForeignKey("item.id"), primary_key=True, server_onupdate=db.FetchedValue()),
    db.Column("category", db.ForeignKey("category.id"), primary_key=True, server_onupdate=db.FetchedValue())
 )
 class User(UserMixin, db.Model):
    id = db.Column(db.BigInteger, primary_key=True)
    email = db.Column(db.String(255), nullable=False, unique=True)
    password_hash = db.Column(db.String(128), nullable=False)
    LoginToken = db.relationship("LoginToken", backref='User', lazy='dynamic')
    Bought = db.relationship("Bought", secondary="login_token",
        lazy='dynamic', overlaps="User,LoginToken")
    def set_password(self, password):
        self.password_hash = generate_password_hash(password)
    def check_password(self, password):
        return check_password_hash(self.password_hash, password)
    def get_reset_password_token(self, expires_in=600):
        return jwt.encode(
            {'reset_password': self.id, 'exp': time() + expires_in},
            current_app.config['SECRET_KEY'], algorithm='HS256')
    @staticmethod
    def verify_reset_password_token(token):
        try:
            id = jwt.decode(token, current_app.config['SECRET_KEY'],
                            algorithms=['HS256'])['reset_password']
        except:
            return
        return User.query.get(id)
    def __repr__(self) -> str:
        return f"<User {self.id} ({self.email})>"
 class Establishment(db.Model):
    id = db.Column(db.BigInteger, primary_key=True)
    name = db.Column(db.String(64), nullable=False)
    owner = db.Column(db.ForeignKey('user.id'), nullable=False)
    LoginToken = db.relationship("LoginToken", backref='Establishment', lazy='dynamic')
    Bought = db.relationship("Bought", secondary="login_token",
        lazy='dynamic', overlaps="Establishment,LoginToken,Bought")
    def __repr__(self) -> str:
        return f"<Establishment {self.id} ({self.name})>"
 class LoginToken(db.Model):
    user = db.Column(db.ForeignKey('user.id'), primary_key=True, server_onupdate=db.FetchedValue())
    establishment = db.Column(db.ForeignKey('establishment.id'), primary_key=True, server_onupdate=db.FetchedValue())
    token = db.Column(db.String(15), nullable=True, unique=True)
    paid = db.Column(db.BigInteger, nullable=False, server_default=str(0))
    def __repr__(self) -> str:
        return f"LoginToken {self.token}"
 class Brand(db.Model):
    id = db.Column(db.Integer, primary_key=True)
    name = db.Column(db.String(32), nullable=False)
    def __repr__(self) -> str:
        return f"<Brand {self.id} ({self.name})>"
 class Category(db.Model):
    id = db.Column(db.Integer, primary_key=True)
    name = db.Column(db.String(32), nullable=False, unique=True)
    Item = db.relationship("Item", secondary=item_category, lazy="dynamic", back_populates="Category")
    def __repr__(self) -> str:
        return f"<Category {self.id} ({self.name})>"
 class Item(db.Model):
    id = db.Column(db.BigInteger, primary_key=True, autoincrement=False)
    name = db.Column(db.String(64), nullable=False)
    brand = db.Column(db.ForeignKey('brand.id'), nullable=False, server_onupdate=db.FetchedValue())
    description = db.Column(db.Text, nullable=False)
    Category = db.relationship("Category", secondary=item_category, lazy="dynamic", back_populates="Item")
    Bought = db.relationship("Bought", backref='Item', lazy='dynamic')
    PriceChange = db.relationship("PriceChange", backref='Item', lazy='dynamic')
    AmountChange = db.relationship("AmountChange", backref='Item', lazy='dynamic')
    def __repr__(self) -> str:
        return f"<Item {self.id} ({self.name})>"
 class Bought(db.Model):
    token = db.Column(db.ForeignKey('login_token.token'), primary_key=True, server_onupdate=db.FetchedValue())
    item = db.Column(db.ForeignKey('item.id'), primary_key=True, server_onupdate=db.FetchedValue())
    date = db.Column(db.Date, primary_key=True)
    amount = db.Column(db.SmallInteger, nullable=False)
    registered = db.Column(db.Boolean, nullable=False, server_default=str(False))
    def __repr__(self) -> str:
        return f"<Bought Object>"
 class PriceChange(db.Model):
    item = db.Column(db.ForeignKey('item.id'), primary_key=True, server_onupdate=db.FetchedValue())
    date = db.Column(db.Date, primary_key=True, server_default=str(date(2021, 12, 1)))
    price = db.Column(db.SmallInteger, nullable=False)
    def __repr__(self) -> str:
        return f"<Price_Change {self.item} ({self.date})>"
 class AmountChange(db.Model):
    item = db.Column(db.ForeignKey('item.id'), primary_key=True, server_onupdate=db.FetchedValue())
    date = db.Column(db.Date, primary_key=True, server_default=str(date(2021, 12, 1)))
    amount = db.Column(db.SmallInteger, nullable=False, server_default=str(1))
    def __repr__(self) -> str:
        return f"<Amount_Change {self.item} ({self.date})>"
 class Receipt(db.Model):
    id = db.Column(db.Numeric(precision=24, scale=0), primary_key=True, autoincrement=False)
    date = db.Column(db.Date, nullable=False)
    from_user = db.Column(db.ForeignKey("login_token.token"), server_onupdate=db.FetchedValue())
    registered = db.Column(db.Boolean, nullable=False, server_default=str(False))
    def __repr__(self) -> str:
        return f"<Receipt {self.id}>"
 class ItemReceipt(db.Model):
    receipt = db.Column(db.ForeignKey("receipt.id"), primary_key=True, server_onupdate=db.FetchedValue())
    item = db.Column(db.ForeignKey("item.id"), primary_key=True, server_onupdate=db.FetchedValue())
    amount = db.Column(db.SmallInteger, nullable=False)
    def __repr__(self) -> str:
        return f"<ItemReceipt {self.receipt}: {self.item}>"
@login.user_loader
 def load_user(id):
    return User.query.get(int(id))
--- a/app/templates/auth/register.html
+++ b/app/templates/auth/register.html
@ -1,19 +0,0 @@
 {% extends "base.html" %}
 {% import 'bootstrap/wtf.html' as wtf %}
 {% block app_content %}
    <h1>Register</h1>
    <form action="" method="post">
        {{ form.hidden_tag() }}
        <p>
            {{ wtf.form_field(form.email) }}
        </p>
        <p>
            {{ wtf.form_field(form.password) }}
        </p>
        <p>
            {{ wtf.form_field(form.password2) }}
        </p>
        {{ wtf.form_field(form.submit, class=form.submit.render_kw["class"]) }}
    </form>
 {% endblock %}
--- a/app/templates/base.html
+++ b/app/templates/base.html
@ -1,116 +0,0 @@
 {% extends "bootstrap/base.html" %}
 {% block title %}
    {% if title %}
        {{ title }}
    {% else %}
        Scan2Kasse
    {% endif %}
 {% endblock %}
 {% block metas %}
    <meta charset="utf-8">
    <meta name="viewport" content="width=device-width, initial-scale=1">
 {% endblock %}
 {% block styles %}
    <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.1.3/dist/css/bootstrap.min.css" rel="stylesheet" integrity="sha384-1BmE4kWBq78iYhFldvKuhfTAU6auU8tT94WrHftjDbrCEXSU1oBoqyl2QvZ6jIW3" crossorigin="anonymous">
    <link rel="stylesheet" href={{ url_for('static', filename="sidebars.css")}}>
 {% endblock %}
 {% block navbar %}
    <main>
        <div class="flex-shrink-0 p-3 bg-black bg-opacity-10 scrollbar-primary h-100 position-fixed" style="width: 280px;">
            <a href="/" class="d-flex align-items-center pb-3 mb-3 link-dark text-decoration-none border-bottom border-dark">
                <svg class="bi me-2" width="30" height="24"><use xlink:href="#bootstrap"></use></svg>
                <span class="fs-5 fw-semibold">Scan2Kasse</span>
            </a>
            <ul class="list-unstyled ps-0">
                <li class="mb-1">
                    <button class="btn btn-toggle align-items-center rounded collapsed" data-bs-toggle="collapse" data-bs-target="#home-collapse" aria-expanded="true">
                    Home (WIP)
                    </button>
                    <div class="collapse show" id="home-collapse">
                        <ul class="btn-toggle-nav list-unstyled fw-normal pb-1 small">
                            <li><a href="#" class="link-dark rounded">Übersicht</a></li>
                            <li><a href="#" class="link-dark rounded">Updates</a></li>
                            <li><a href="#" class="link-dark rounded">Reports</a></li>
                        </ul>
                    </div>
                </li>
                <li class="mb-1">
                    <button class="btn btn-toggle align-items-center rounded collapsed" data-bs-toggle="collapse" data-bs-target="#dashboard-collapse" aria-expanded="false">
                    Übersicht
                    </button>
                    <div class="collapse" id="dashboard-collapse">
                        <ul class="btn-toggle-nav list-unstyled fw-normal pb-1 small">
                            {% if establishments %}
                                <li><a href="#" class="link-dark rounded">Allgemein</a></li>
                                {% for establishment in establishments %}
                                    <li><a href="{{ url_for('main.get_report_from_user', establishment=establishment.id) }}" class="link-dark rounded">{{ establishment.name }}</a></li>
                                {% endfor %}
                            {% endif %}
                        </ul>
                    </div>
                </li>
                <!-- <li class="mb-1">
                    <button class="btn btn-toggle align-items-center rounded collapsed" data-bs-toggle="collapse" data-bs-target="#orders-collapse" aria-expanded="false">
                    Orders
                    </button>
                    <div class="collapse" id="orders-collapse">
                        <ul class="btn-toggle-nav list-unstyled fw-normal pb-1 small">
                            <li><a href="#" class="link-dark rounded">New</a></li>
                            <li><a href="#" class="link-dark rounded">Processed</a></li>
                            <li><a href="#" class="link-dark rounded">Shipped</a></li>
                            <li><a href="#" class="link-dark rounded">Returned</a></li>
                        </ul>
                    </div>
                </li> -->
                <li class="border-top border-dark my-3"></li>
                <li class="mb-1">
                    <button class="btn btn-toggle align-items-center rounded collapsed" data-bs-toggle="collapse" data-bs-target="#account-collapse" aria-expanded="false">
                    Account
                    </button>
                    <div class="collapse" id="account-collapse" style="">
                        <ul class="btn-toggle-nav list-unstyled fw-normal pb-1 small">
                            <!-- <li><a href="#" class="link-dark rounded">New...</a></li>
                                <li><a href="#" class="link-dark rounded">Settings</a></li> -->
                            {% if current_user.is_authenticated %}
                            <!-- <li><a href="#" class="link-dark rounded">Profile</a></li> -->
                            <li><a href={{ url_for('auth.web_logout') }} class="link-dark rounded">Sign out</a></li>
                            {% else %}
                            <li><a href={{ url_for('auth.web_register') }} class="link-dark rounded">Register</a></li>
                            <li><a href={{ url_for('auth.web_login') }} class="link-dark rounded">Sign in</a></li>
                            {% endif %}
                        </ul>
                    </div>
                </li>
            </ul>
        </div>
 {% endblock %}
 {% block content %}
    {% with messages = get_flashed_messages() %}
        {% if messages %}
            <ul>
                {% for message in messages %}
                <li>{{ message }}</li>
                {% endfor %}
            </ul>
        {% endif %}
    {% endwith %}
    <div style="width: 280px;"></div>
    <div class="container">
        <div class="row my-3"></div>
        <div class="row-md-3">
            {% block app_content %}{% endblock %}
        </div>
        <div class="row my-3"></div>
    </div>
 </main>
 {% endblock %}
 {% block scripts %}
    <script src="https://cdn.jsdelivr.net/npm/bootstrap@5.1.3/dist/js/bootstrap.bundle.min.js" integrity="sha384-ka7Sk0Gln4gmtz2MlQnikT1wXgYsOg+OMhuP+IlRH9sENBO0LRn5q+8nbTov4+1p" crossorigin="anonymous"></script>
    <!-- <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.6.0/jquery.min.js"></script> -->
 {% endblock %}
--- a/app/templates/main/new_item.html
+++ b/app/templates/main/new_item.html
@ -1,24 +0,0 @@
 {% extends "base.html" %}
 {% block app_content %}
 <form action="" method="post">
    {{ form.hidden_tag() }}
    <div class="row">{{form.id.label}}</div>
    <div class="row">{{form.id()}}</div>
    <div class="row">{{form.name.label}}</div>
    <div class="row">{{form.name()}}</div>
    <div class="row">{{form.description.label}}</div>
    <div class="row">{{form.description()}}</div>
    <div class="row">{{form.date.label}}</div>
    <div class="row">{{form.date()}}</div>
    <div class="row">{{form.price_change.label}}</div>
    <div class="row">{{form.price_change()}}</div>
    <div class="row">{{form.amount_change.label}}</div>
    <div class="row">{{form.amount_change()}}</div>
    <div class="row">{{form.category.label}}</div>
    <div class="row">{{form.category()}}</div>
    <div class="row">{{form.brand.label}}</div>
    <div class="row">{{form.brand()}}</div>
    <div class="row">{{form.submit()}}</div>
 </form>
 {% endblock %}
--- a/app/templates/main/overview.html
+++ b/app/templates/main/overview.html
@ -1,38 +0,0 @@
 {% extends "base.html" %}
 {% block app_content %}
    {% if establishment %}
        {% if current_user.id == establishment.owner %}
        <button type="button" class="btn btn-outline-dark px-2" data-bs-toggle="button" autocomplete="off" onclick="window.location.href='{{ url_for('main.check_unregistered_items', establishment=establishment.id) }}'">
            Abrechnung
        </button>
        {% endif %}
    {% endif %}
    {% for user in results %}
        <div class="card">
            <button class="btn btn-primary" data-bs-toggle="collapse" data-bs-target="#b{{ user.id }}" aria-expanded="true">
                <div class="card-header">
                    <h3>{{ user.email }}: {{ user.sum/100 }} €</h3>
                </div>
            </button>
            <div class="collapse" id="b{{ user.id }}">
                {% for item_infos in user.item_infos %}
                <div class="card-body">
                    <div class="col-sm-1"></div>
                    <div class="col">
                        <h4>{{ item_infos.date }}</h4>
                        {% for item in item_infos.item_list %}
                            <div class="row">
                                <div class="col-sm-1"></div>
                                <div class="col">
                                    {{ item.amount }}x {{ item.name }} je {{ item.price/100 }} €
                                </div>
                            </div>
                        {% endfor %}
                    </div>
                </div>
                {% endfor %}
            </div>
        </div>
    {% endfor %}
 {% endblock %}
--- a/backend/Pipfile
+++ b/backend/Pipfile
@ -0,0 +1,25 @@
 [[source]]
 url = "https://pypi.org/simple"
 verify_ssl = true
 name = "pypi"
 [packages]
 email-validator = "*"
 flask = "*"
 flask-bootstrap = "*"
 flask-login = "*"
 flask-mail = "*"
 flask-migrate = "*"
 flask-sqlalchemy = "*"
 flask-wtf = "*"
 psycopg2-binary = "*"
 pyjwt = "*"
 python-dotenv = "*"
 pymupdf = "*"
 sqlalchemy-utils = "*"
 [dev-packages]
 [requires]
 python_version = "3.10"
 python_full_version = "3.10.10"
--- a/backend/Pipfile.lock
+++ b/backend/Pipfile.lock
@ -0,0 +1,500 @@
 {
    "_meta": {
        "hash": {
            "sha256": "92648b89cfca30fdd2c1a1258fd13c9249dffdcd9450c342a5c8bdf5d433b852"
        },
        "pipfile-spec": 6,
        "requires": {
            "python_full_version": "3.10.10",
            "python_version": "3.10"
        },
        "sources": [
            {
                "name": "pypi",
                "url": "https://pypi.org/simple",
                "verify_ssl": true
            }
        ]
    },
    "default": {
        "alembic": {
            "hashes": [
                "sha256:4d3bd32ecdbb7bbfb48a9fe9e6d6fd6a831a1b59d03e26e292210237373e7db5",
                "sha256:6f1c2207369bf4f49f952057a33bb017fbe5c148c2a773b46906b806ea6e825f"
            ],
            "markers": "python_version >= '3.7'",
            "version": "==1.9.4"
        },
        "blinker": {
            "hashes": [
                "sha256:1eb563df6fdbc39eeddc177d953203f99f097e9bf0e2b8f9f3cf18b6ca425e36",
                "sha256:923e5e2f69c155f2cc42dafbbd70e16e3fde24d2d4aa2ab72fbe386238892462"
            ],
            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3, 3.4'",
            "version": "==1.5"
        },
        "click": {
            "hashes": [
                "sha256:7682dc8afb30297001674575ea00d1814d808d6a36af415a82bd481d37ba7b8e",
                "sha256:bb4d8133cb15a609f44e8213d9b391b0809795062913b383c62be0ee95b1db48"
            ],
            "markers": "python_version >= '3.7'",
            "version": "==8.1.3"
        },
        "colorama": {
            "hashes": [
                "sha256:08695f5cb7ed6e0531a20572697297273c47b8cae5a63ffc6d6ed5c201be6e44",
                "sha256:4f1d9991f5acc0ca119f9d443620b77f9d6b33703e51011c16baf57afb285fc6"
            ],
            "markers": "platform_system == 'Windows'",
            "version": "==0.4.6"
        },
        "dnspython": {
            "hashes": [
                "sha256:224e32b03eb46be70e12ef6d64e0be123a64e621ab4c0822ff6d450d52a540b9",
                "sha256:89141536394f909066cabd112e3e1a37e4e654db00a25308b0f130bc3152eb46"
            ],
            "markers": "python_version >= '3.7' and python_version < '4.0'",
            "version": "==2.3.0"
        },
        "dominate": {
            "hashes": [
                "sha256:520101360892ebf9d0553f67d37e359ff92403d8a1e33814030503088a05da49",
                "sha256:5fe4258614687c6d3de67b0bbd881ed435a93a19742ae187344055db17052402"
            ],
            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3'",
            "version": "==2.7.0"
        },
        "email-validator": {
            "hashes": [
                "sha256:49a72f5fa6ed26be1c964f0567d931d10bf3fdeeacdf97bc26ef1cd2a44e0bda",
                "sha256:d178c5c6fa6c6824e9b04f199cf23e79ac15756786573c190d2ad13089411ad2"
            ],
            "index": "pypi",
            "version": "==1.3.1"
        },
        "flask": {
            "hashes": [
                "sha256:7eb373984bf1c770023fce9db164ed0c3353cd0b53f130f4693da0ca756a2e6d",
                "sha256:c0bec9477df1cb867e5a67c9e1ab758de9cb4a3e52dd70681f59fa40a62b3f2d"
            ],
            "index": "pypi",
            "version": "==2.2.3"
        },
        "flask-bootstrap": {
            "hashes": [
                "sha256:cb08ed940183f6343a64e465e83b3a3f13c53e1baabb8d72b5da4545ef123ac8"
            ],
            "index": "pypi",
            "version": "==3.3.7.1"
        },
        "flask-login": {
            "hashes": [
                "sha256:1ef79843f5eddd0f143c2cd994c1b05ac83c0401dc6234c143495af9a939613f",
                "sha256:c0a7baa9fdc448cdd3dd6f0939df72eec5177b2f7abe6cb82fc934d29caac9c3"
            ],
            "index": "pypi",
            "version": "==0.6.2"
        },
        "flask-mail": {
            "hashes": [
                "sha256:22e5eb9a940bf407bcf30410ecc3708f3c56cc44b29c34e1726fe85006935f41"
            ],
            "index": "pypi",
            "version": "==0.9.1"
        },
        "flask-migrate": {
            "hashes": [
                "sha256:73293d40b10ac17736e715b377e7b7bde474cb8105165d77474df4c3619b10b3",
                "sha256:77580f27ab39bc68be4906a43c56d7674b45075bc4f883b1d0b985db5164d58f"
            ],
            "index": "pypi",
            "version": "==4.0.4"
        },
        "flask-sqlalchemy": {
            "hashes": [
                "sha256:2764335f3c9d7ebdc9ed6044afaf98aae9fa50d7a074cef55dde307ec95903ec",
                "sha256:add5750b2f9cd10512995261ee2aa23fab85bd5626061aa3c564b33bb4aa780a"
            ],
            "index": "pypi",
            "version": "==3.0.3"
        },
        "flask-wtf": {
            "hashes": [
                "sha256:41c4244e9ae626d63bed42ae4785b90667b885b1535d5a4095e1f63060d12aa9",
                "sha256:7887d6f1ebb3e17bf648647422f0944c9a469d0fcf63e3b66fb9a83037e38b2c"
            ],
            "index": "pypi",
            "version": "==1.1.1"
        },
        "greenlet": {
            "hashes": [
                "sha256:03a8f4f3430c3b3ff8d10a2a86028c660355ab637cee9333d63d66b56f09d52a",
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                "sha256:1a819eef4b0e0b96bb0d98d797bef17dc1b4a10e8d7446be32d1da33e095dbb8",
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                "sha256:2780572ec463d44c1d3ae850239508dbeb9fed38e294c68d19a24d925d9223ca",
                "sha256:283737e0da3f08bd637b5ad058507e578dd462db259f7f6e4c5c365ba4ee9343",
                "sha256:2d4686f195e32d36b4d7cf2d166857dbd0ee9f3d20ae349b6bf8afc8485b3645",
                "sha256:2dd11f291565a81d71dab10b7033395b7a3a5456e637cf997a6f33ebdf06f8db",
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            ],
            "markers": "platform_machine == 'aarch64' or (platform_machine == 'ppc64le' or (platform_machine == 'x86_64' or (platform_machine == 'amd64' or (platform_machine == 'AMD64' or (platform_machine == 'win32' or platform_machine == 'WIN32')))))",
            "version": "==2.0.2"
        },
        "idna": {
            "hashes": [
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            ],
            "markers": "python_version >= '3.5'",
            "version": "==3.4"
        },
        "itsdangerous": {
            "hashes": [
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            ],
            "markers": "python_version >= '3.7'",
            "version": "==2.1.2"
        },
        "jinja2": {
            "hashes": [
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            ],
            "markers": "python_version >= '3.7'",
            "version": "==3.1.2"
        },
        "mako": {
            "hashes": [
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            ],
            "markers": "python_version >= '3.7'",
            "version": "==1.2.4"
        },
        "markupsafe": {
            "hashes": [
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                "sha256:b5deafb4901618b3f98e8df7099cd11edd0d1e6856912647e28968b803de0dae",
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                "sha256:c621f05859caed5c0aab032888a3d3bde2cae3988ca151113cbecf262adad976",
                "sha256:ce54965a94673a0ebda25e7c3a05bf1aa74fd78cc452a1a710b704bf73fb8402",
                "sha256:d8efdda920988bcade542f53a2890751ff680474d548f32df919a35a21404e3f",
                "sha256:dc7b9f55c2f72c13b2328b8a870ff585c993ba1b5c155ece5c9d3216fa4b18f6",
                "sha256:dd801375f19a6e1f021dabd8b1714f2fdb91cbc835cd13b5dd0bd7e9860392d7",
                "sha256:f342057422d6bcfdd4996e34cd5c7f78f7e500112f64b113f334cdfc6a0c593d",
                "sha256:f696828784ab2c07b127bfd2f2d513f47ec58924c29cff5b19806ac37acee31c",
                "sha256:fdb2686eb01f670cdc6c43f092e333ff08c1cf0b646da5256c1237dc4ceef4ae"
            ],
            "markers": "python_version >= '3.7'",
            "version": "==2.0.4"
        },
        "sqlalchemy-utils": {
            "hashes": [
                "sha256:4c7098d4857d5cad1248bf7cd940727aecb75b596a5574b86a93b37079929520",
                "sha256:af803089a7929803faeb6173b90f29d1a67ad02f1d1e732f40b054a8eb3c7370"
            ],
            "index": "pypi",
            "version": "==0.40.0"
        },
        "typing-extensions": {
            "hashes": [
                "sha256:5cb5f4a79139d699607b3ef622a1dedafa84e115ab0024e0d9c044a9479ca7cb",
                "sha256:fb33085c39dd998ac16d1431ebc293a8b3eedd00fd4a32de0ff79002c19511b4"
            ],
            "markers": "python_version >= '3.7'",
            "version": "==4.5.0"
        },
        "visitor": {
            "hashes": [
                "sha256:2c737903b2b6864ebc6167eef7cf3b997126f1aa94bdf590f90f1436d23e480a"
            ],
            "version": "==0.1.3"
        },
        "werkzeug": {
            "hashes": [
                "sha256:2e1ccc9417d4da358b9de6f174e3ac094391ea1d4fbef2d667865d819dfd0afe",
                "sha256:56433961bc1f12533306c624f3be5e744389ac61d722175d543e1751285da612"
            ],
            "markers": "python_version >= '3.7'",
            "version": "==2.2.3"
        },
        "wtforms": {
            "hashes": [
                "sha256:6b351bbb12dd58af57ffef05bc78425d08d1914e0fd68ee14143b7ade023c5bc",
                "sha256:837f2f0e0ca79481b92884962b914eba4e72b7a2daaf1f939c890ed0124b834b"
            ],
            "markers": "python_version >= '3.7'",
            "version": "==3.0.1"
        }
    },
    "develop": {}
 }
--- a/backend/README.md
+++ b/backend/README.md
--- a/backend/configs/config.py
+++ b/backend/configs/config.py
@ -6,12 +6,12 @@ load_dotenv(os.path.join(basedir, '.env'))
 class Config(object):
-    SECRET_KEY = os.environ.get('SECRET_KEY') or "MY_5€cr37_K€Y"
+    SECRET_KEY = os.environ.get('SECRET_KEY') or "s0m37h!n6-obfu5c471ng"
    SQLALCHEMY_DATABASE_URI = os.environ.get('DATABASE_URL', '').replace(
        'postgres://', 'postgresql://') or \
        (f"postgresql://{os.environ.get('DATABASE_USER', 'scan2kasse')}:{os.environ.get('DATABASE_PASS', 'asdf1337')}"
-        f"@{os.environ.get('DATABASE_HOST', 'localhost')}:{os.environ.get('DATABASE_PORT', '5432')}"
+         f"@{os.environ.get('DATABASE_HOST', 'localhost')}:{os.environ.get('DATABASE_PORT', '5432')}"
-        f"/{os.environ.get('DATABASE_DB', '') or os.environ.get('DATABASE_USER', 'scan2kasse')}")
+         f"/{os.environ.get('DATABASE_DB', '') or os.environ.get('DATABASE_USER', 'scan2kasse')}")
    SQLALCHEMY_TRACK_MODIFICATIONS = False
    MAIL_SERVER = os.environ.get('MAIL_SERVER')
    MAIL_PORT = int(os.environ.get('MAIL_PORT'))
@ -19,3 +19,4 @@ class Config(object):
    MAIL_USERNAME = os.environ.get('MAIL_USERNAME')
    MAIL_PASSWORD = os.environ.get('MAIL_PASSWORD')
    ADMINS = ['postmaster@wpgcommunity.net']
    POSTS_PER_PAGE = 10
--- a/backend/configs/log.conf
+++ b/backend/configs/log.conf
@ -2,19 +2,25 @@
 keys=root, main
 [handlers]
-keys=console, file
+keys=console, file, void
 [formatters]
 keys=stdout
 [logger_root]
-level = DEBUG
+handlers = void
 level = CRITICAL
 [logger_main]
 handlers = console, file
 level = DEBUG
 qualname = main
 [handler_void]
 class = logging.StreamHandler
 level = CRITICAL
 formatter = stdout
 [handler_console]
 class = logging.StreamHandler
 level = DEBUG
--- a/backend/migrations/README
+++ b/backend/migrations/README
--- a/backend/migrations/alembic.ini
+++ b/backend/migrations/alembic.ini
--- a/backend/migrations/env.py
+++ b/backend/migrations/env.py
--- a/backend/migrations/script.py.mako
+++ b/backend/migrations/script.py.mako
--- a/backend/migrations/versions/05fce74b56cb_full_structure.py
+++ b/backend/migrations/versions/05fce74b56cb_full_structure.py
--- a/backend/migrations/versions/2be4d1ae5493_create_views.py
+++ b/backend/migrations/versions/2be4d1ae5493_create_views.py
@ -8,8 +8,8 @@ Create Date: 2022-02-20 16:33:01.900378
 from alembic import op
 import sqlalchemy as sa
-from app import db
+from src import db
-from app.utils.view_utils import selectable_price_per_amount_view, selectable_bought_with_prices_view
+from src.utils.view_utils import selectable_price_per_amount_view, selectable_bought_with_prices_view
 from sqlalchemy_utils import create_view
 # revision identifiers, used by Alembic.
@ -20,6 +20,7 @@ depends_on = None
 def upgrade():
    op.rename_table("item_receipt", "receipt_item")
    metadata = sa.MetaData()
    create_view('price_per_amount',
        selectable_price_per_amount_view(),
@ -36,3 +37,4 @@ def downgrade():
    with db.engine.connect() as con:
        con.execute("DROP VIEW bought_with_prices;")
        con.execute("DROP VIEW price_per_amount;")
    op.rename_table("receipt_item", "item_receipt")
--- a/backend/migrations/versions/610854a6e2a0_establishment_candidate_table.py
+++ b/backend/migrations/versions/610854a6e2a0_establishment_candidate_table.py
@ -0,0 +1,53 @@
 """establishment candidate table
 Revision ID: 610854a6e2a0
 Revises: 2be4d1ae5493
 Create Date: 2023-03-18 13:36:12.953900
 """
 from alembic import op
 import sqlalchemy as sa
 # revision identifiers, used by Alembic.
 revision = '610854a6e2a0'
 down_revision = '2be4d1ae5493'
 branch_labels = None
 depends_on = None
 def upgrade():
    # ### commands auto generated by Alembic - please adjust! ###
    op.create_table('establishment_candidate',
    sa.Column('user', sa.BigInteger(), nullable=False),
    sa.Column('establishment', sa.BigInteger(), nullable=False),
    sa.ForeignKeyConstraint(['establishment'], ['establishment.id'], ),
    sa.ForeignKeyConstraint(['user'], ['user.id'], ),
    sa.PrimaryKeyConstraint('user', 'establishment')
    )
    op.create_table('payment',
    sa.Column('id', sa.BigInteger(), nullable=False),
    sa.Column('token', sa.String(length=15), nullable=False),
    sa.Column('date', sa.Date(), server_default=sa.text('now()'), nullable=False),
    sa.Column('amount', sa.BigInteger(), server_default='0', nullable=False),
    sa.ForeignKeyConstraint(['token'], ['login_token.token'], ),
    sa.PrimaryKeyConstraint('id', 'token')
    )
    with op.batch_alter_table('login_token', schema=None) as batch_op:
        batch_op.alter_column('token',
               existing_type=sa.VARCHAR(length=15),
               nullable=False)
    # ### end Alembic commands ###
 def downgrade():
    # ### commands auto generated by Alembic - please adjust! ###
    with op.batch_alter_table('login_token', schema=None) as batch_op:
        batch_op.alter_column('token',
               existing_type=sa.VARCHAR(length=15),
               nullable=True)
    op.drop_table('payment')
    op.drop_table('establishment_candidate')
    # ### end Alembic commands ###
--- a/backend/run.py
+++ b/backend/run.py
@ -1,5 +1,5 @@
-from app import create_app, db
+from src import create_app, db
-from app.models import *
+from src.models import Bought, Establishment, Item, LoginToken, Receipt, User
 app = create_app()
--- a/backend/src/init.py
+++ b/backend/src/init.py
@ -42,15 +42,21 @@ def create_app(config_class=Config):
    mail.init_app(app)
    migrate.init_app(app, db, render_as_batch=True)
-    from app.auth import bp as auth_bp
+    from src.main import bp as main_bp
    app.register_blueprint(auth_bp, url_prefix='/auth')
    from app.errors import bp as errors_bp
    app.register_blueprint(errors_bp)
    from app.main import bp as main_bp
    app.register_blueprint(main_bp)
-    from app.api import bp as api_bp
+    from src.auth import bp as auth_bp
-    app.register_blueprint(api_bp, url_prefix="/api")
+    app.register_blueprint(auth_bp)
    from src.errors import bp as error_bp
    app.register_blueprint(error_bp)
    from src.api import bp as api_bp
    app.register_blueprint(api_bp)
    from src.receipts import bp as receipts_bp
    app.register_blueprint(receipts_bp)
    from src.item import bp as item_bp
    app.register_blueprint(item_bp)
    from src.establishment import bp as establishment_bp
    app.register_blueprint(establishment_bp)
    return app
-from app import models
+from src.models import *
--- a/backend/src/api/init.py
+++ b/backend/src/api/init.py
@ -0,0 +1,6 @@
 from flask import Blueprint
 bp = Blueprint('api', __name__, url_prefix='/api')
 from src.api.v1 import bp as bp_v1
 bp.register_blueprint(bp_v1)
--- a/backend/src/api/v1/init.py
+++ b/backend/src/api/v1/init.py
@ -0,0 +1,5 @@
 from flask import Blueprint
 bp = Blueprint('v1', __name__, url_prefix='/v1')
 from src.api.v1 import routes
--- a/backend/src/api/v1/routes.py
+++ b/backend/src/api/v1/routes.py
@ -1,11 +1,11 @@
-from app import LOGGER
+from src import LOGGER
-from app.main import bp
+from src.api import bp
-from app.models import LoginToken
+from src.models.login_token import LoginToken
-from app.utils import database_utils
+from src.utils import database_utils
 from flask import abort, request
 from flask.json import jsonify
-@bp.route('/auth')
+@bp.route('/')
 def token_authorization():
    LOGGER.debug("Token Login")
    if not request.json or 'login' not in request.json:
--- a/backend/src/auth/init.py
+++ b/backend/src/auth/init.py
@ -0,0 +1,5 @@
 from flask import Blueprint
 bp = Blueprint('auth', __name__, url_prefix='/auth')
 from src.auth import forms, routes
--- a/backend/src/auth/email.py
+++ b/backend/src/auth/email.py
@ -1,6 +1,6 @@
 from flask import current_app
-from app.utils.email import send_email
+from src.utils.email import send_email
-from app.utils.routes_utils import render_custom_template as render_template
+from src.utils.routes_utils import render_custom_template as render_template
 def send_password_reset_email(user):
--- a/backend/src/auth/forms.py
+++ b/backend/src/auth/forms.py
@ -1,6 +1,6 @@
-from app.models import User
+from src.models.user import User
 from flask_wtf import FlaskForm
-from wtforms import StringField, PasswordField, BooleanField, SubmitField
+from wtforms import BooleanField, PasswordField, StringField, SubmitField
 from wtforms.validators import DataRequired, Email, EqualTo, ValidationError
 class LoginForm(FlaskForm):
--- a/backend/src/auth/routes.py
+++ b/backend/src/auth/routes.py
@ -1,14 +1,14 @@
-from app import db
+from src import db
-from app.auth import bp
+from src.auth import bp
-from app.auth.email import send_password_reset_email
+from src.auth.email import send_password_reset_email
-from app.auth.forms import LoginForm, RegistrationForm, ResetPasswordForm, ResetPasswordRequestForm
+from src.auth.forms import LoginForm, RegistrationForm, ResetPasswordForm, ResetPasswordRequestForm
-from app.models import User
+from src.models.user import User
-from app.utils.routes_utils import render_custom_template as render_template
+from src.utils.routes_utils import render_custom_template as render_template
 from flask import flash, redirect, request, url_for
 from flask_login import current_user, login_user, logout_user
 from werkzeug.urls import url_parse
-@bp.route(f'/register', methods=['GET', 'POST'])
+@bp.route('/register', methods=['GET', 'POST'])
 def web_register():
    if current_user.is_authenticated:
        return redirect(url_for('main.index'))
@ -22,7 +22,7 @@ def web_register():
        return redirect(url_for('auth.web_login'))
    return render_template('auth/register.html', title='Register', form=form)
-@bp.route(f'/login', methods=['GET', 'POST'])
+@bp.route('/login', methods=['GET', 'POST'])
 def web_login():
    if current_user.is_authenticated:
        return redirect(url_for('main.index'))
@ -39,7 +39,7 @@ def web_login():
        return redirect(next_page)
    return render_template('auth/login.html', title='Sign In', form=form)
-@bp.route(f'/logout')
+@bp.route('/logout')
 def web_logout():
    logout_user()
    return redirect(url_for('main.index'))
--- a/backend/src/errors/init.py
+++ b/backend/src/errors/init.py
@ -0,0 +1,5 @@
 from flask import Blueprint
 bp = Blueprint('error', __name__, url_prefix='/error')
 from src.errors import handlers
--- a/backend/src/errors/handlers.py
+++ b/backend/src/errors/handlers.py
@ -1,7 +1,11 @@
-from app import db
+from src import db
-from app.errors import bp
+from src.errors import bp
 from flask import render_template
@bp.app_errorhandler(403)
 def not_allowed_error(error):
    return render_template('errors/403.html'), 403
@bp.app_errorhandler(404)
 def not_found_error(error):
    return render_template('errors/404.html'), 404
--- a/backend/src/establishment/init.py
+++ b/backend/src/establishment/init.py
@ -0,0 +1,11 @@
 from flask import Blueprint
 bp = Blueprint('establishment', __name__, url_prefix='/establishment')
 from src.establishment.new import bp as bp_new
 bp.register_blueprint(bp_new)
 from src.establishment.list import bp as bp_list
 bp.register_blueprint(bp_list)
 from src.establishment.overview import bp as bp_overview
 bp.register_blueprint(bp_overview)
 from src.establishment.candidates import bp as bp_candidates
 bp.register_blueprint(bp_candidates)
--- a/backend/src/establishment/candidates/init.py
+++ b/backend/src/establishment/candidates/init.py
@ -0,0 +1,5 @@
 from flask import Blueprint
 bp = Blueprint("candidates", __name__, url_prefix='candidates')
 from src.establishment.candidates import routes
--- a/backend/src/establishment/candidates/forms.py
+++ b/backend/src/establishment/candidates/forms.py
@ -0,0 +1,7 @@
 from flask_wtf import FlaskForm
 from wtforms import HiddenField, SubmitField
 class EvaluateCandidateForm(FlaskForm):
    candidate_id = HiddenField("X")
    accept = SubmitField("Akzeptieren", render_kw={"class": "btn btn-success mt-3"})
    deny = SubmitField("Ablehnen", render_kw={"class": "btn btn-danger mt-3"})
--- a/backend/src/establishment/candidates/routes.py
+++ b/backend/src/establishment/candidates/routes.py
@ -0,0 +1,26 @@
 from flask import abort, redirect, url_for
 from flask_login import current_user, login_required
 from src import db, LOGGER
 from src.establishment.candidates import bp
 from src.establishment.candidates.forms import EvaluateCandidateForm
 from src.models import Establishment, EstablishmentCandidate, LoginToken, User
 from src.utils.routes_utils import render_custom_template as render_template
 from src.utils.database_utils import generate_token
@bp.route("/<establishment_id>", methods=["GET", "POST"])
@login_required
 def candidates(establishment_id):
    establishment = Establishment.query.get_or_404(establishment_id)
    if(current_user == establishment.User):
        form = EvaluateCandidateForm()
        establishment_candidates = EstablishmentCandidate.query.filter_by(establishment = establishment.id).all()
        if(form.validate_on_submit()):
            if(form.accept.data):
                login_token = LoginToken(Establishment = establishment, User = User.query.get(form.candidate_id.data), token = generate_token())
                db.session.add(login_token)
            establishment_candidate = EstablishmentCandidate.query.filter_by(establishment = establishment.id, user = form.candidate_id.data).first()
            db.session.delete(establishment_candidate)
            db.session.commit()
            return redirect(url_for('.candidates', establishment_id = establishment_id))
        return render_template("establishment/candidates/candidates.html", establishment_candidates=establishment_candidates, form=form)
    abort(403)
--- a/backend/src/establishment/list/init.py
+++ b/backend/src/establishment/list/init.py
@ -0,0 +1,5 @@
 from flask import Blueprint
 bp = Blueprint("list", __name__, url_prefix='list')
 from src.establishment.list import routes
--- a/backend/src/establishment/list/forms.py
+++ b/backend/src/establishment/list/forms.py
@ -0,0 +1,7 @@
 from flask_wtf import FlaskForm
 from wtforms import HiddenField, SubmitField
 class JoinEstablishmentForm(FlaskForm):
    id = HiddenField("X")
    submit = SubmitField("Anfragen")
--- a/backend/src/establishment/list/routes.py
+++ b/backend/src/establishment/list/routes.py
@ -0,0 +1,33 @@
 # from src import db, LOGGER
 from flask import abort, current_app, redirect, request, url_for
 from flask_login import current_user
 from src import db
 from src.models import Establishment
 from src.establishment.list import bp
 from src.establishment.list.forms import JoinEstablishmentForm
 from src.establishment.list.utils import backend_validation
 from src.models import EstablishmentCandidate
 from src.utils.routes_utils import render_custom_template as render_template
@bp.route('/show_establishments', methods=["GET", "POST"])
 def show_establishments():
    page = request.args.get('page', 1, type=int)
    establishments = Establishment.query.order_by(Establishment.id.asc()).paginate(
        page=page, per_page=current_app.config['POSTS_PER_PAGE'], error_out=False)
    next_url = url_for(".show_establishments",
                       page=establishments.next_num) if establishments.has_next else None
    prev_url = url_for(".show_establishments",
                       page=establishments.prev_num) if establishments.has_prev else None
    if current_user.is_authenticated:
        form = JoinEstablishmentForm()
        if (form.validate_on_submit()):
            if (backend_validation(form)):
                establishment_candidate = EstablishmentCandidate(
                    user=current_user.id, establishment=form.id.data)
                db.session.add(establishment_candidate)
                db.session.commit()
                return redirect(url_for('establishment.list.show_establishments'))
            return abort(403)
        return render_template("establishment/list/establishment_list.html", establishments=establishments.items, form=form, next_url=next_url, prev_url=prev_url)
    return render_template("establishment/list/establishment_list.html", establishments=establishments.items, next_url=next_url, prev_url=prev_url)
--- a/backend/src/establishment/list/utils.py
+++ b/backend/src/establishment/list/utils.py
@ -0,0 +1,7 @@
 from flask_login import current_user
 from src.models import Establishment
 def backend_validation(join_establishment_form):
    establishment = Establishment.query.get(join_establishment_form.id.data)
    return not (establishment.LoginToken.filter_by(user=current_user.id).first() or current_user.EstablishmentCandidate.filter_by(establishment=join_establishment_form.id.data).first())
--- a/backend/src/establishment/new/init.py
+++ b/backend/src/establishment/new/init.py
@ -0,0 +1,5 @@
 from flask import Blueprint
 bp = Blueprint("new", __name__, url_prefix='new')
 from src.establishment.new import forms, routes
--- a/backend/src/establishment/new/forms.py
+++ b/backend/src/establishment/new/forms.py
@ -0,0 +1,7 @@
 from flask_wtf import FlaskForm
 from wtforms import StringField, SubmitField
 from wtforms.validators import DataRequired
 class NewEstablishmentForm(FlaskForm):
    name = StringField("Name", validators=[DataRequired()])
    submit = SubmitField("Submit", render_kw={"class": "btn btn-primary mt-3"})
--- a/backend/src/establishment/new/routes.py
+++ b/backend/src/establishment/new/routes.py
@ -0,0 +1,24 @@
 from src import db, LOGGER
 from src.models import Establishment, LoginToken
 from src.establishment.new import bp
 from src.establishment.new.forms import NewEstablishmentForm
 from src.utils import database_utils
 from src.utils.routes_utils import render_custom_template as render_template
 from flask import redirect, url_for
 from flask_login import current_user, login_required
@bp.route('/create_establishment', methods=['GET', 'POST'])
@login_required
 def create_new_establishment():
    form = NewEstablishmentForm()
    if form.validate_on_submit():
        LOGGER.debug("valid form")
        establishment = Establishment(name=form.name.data, owner=current_user.id)
        db.session.add(establishment)
        db.session.commit()
        new_token = database_utils.generate_token()
        login_token = LoginToken(user=current_user.id, establishment=establishment.id, token=new_token)
        db.session.add(login_token)
        db.session.commit()
        return redirect(url_for('main.index'))
    return render_template('establishment/new/new_establishment.html', form=form)
--- a/backend/src/establishment/overview/init.py
+++ b/backend/src/establishment/overview/init.py
@ -0,0 +1,5 @@
 from flask import Blueprint
 bp = Blueprint('overview', __name__, url_prefix='/overview')
 from src.establishment.overview import routes
--- a/backend/src/establishment/overview/forms.py
+++ b/backend/src/establishment/overview/forms.py
@ -0,0 +1,11 @@
 from flask_wtf import FlaskForm
 from wtforms import StringField, SubmitField
 from wtforms.validators import DataRequired
 class NewCategoryForm(FlaskForm):
    name = StringField("Name", validators=[DataRequired()])
    submit = SubmitField("Submit", render_kw={"class": "btn btn-primary mt-3"})
 class NewBrandForm(FlaskForm):
    name = StringField("Name", validators=[DataRequired()])
    submit = SubmitField("Submit", render_kw={"class": "btn btn-primary mt-3"})
--- a/backend/src/establishment/overview/routes.py
+++ b/backend/src/establishment/overview/routes.py
@ -0,0 +1,36 @@
 from flask import abort,  request
 from flask.json import jsonify
 from flask_login import current_user, login_required
 from src import LOGGER
 from src.establishment.overview import bp
 from src.models import Establishment
 from src.utils import view_utils, database_utils
 from src.utils.routes_utils import render_custom_template as render_template
@bp.route('/<establishment_id>', methods=['GET'])
@login_required
 def get_report_from_user(establishment_id):
    establishment = Establishment.query.filter_by(id=int(establishment_id)).first_or_404()
    if current_user.is_anonymous:
        abort(403)
    if 'month' in request.args:
        try:
            month = int(request.args['month'])
        except Exception as e:
            LOGGER.exception("")
            abort(400)
        else:
            if (month > 12 or month < 1):
                abort(400)
    LOGGER.info("Getting results.")
    results = database_utils.get_report(**request.args, **{"establishment": establishment_id})
    LOGGER.debug(f"Results received.")
    # LOGGER.debug(str(results))
    if results:
        result_list = view_utils.group_results(results)
    else:
        result_list = []
    if request.content_type == "application/json":
        return jsonify(result_list)
    else:
        return render_template("establishment/overview/overview.html", results=result_list, establishment=Establishment.query.get(int(establishment_id)))
--- a/backend/src/item/init.py
+++ b/backend/src/item/init.py
@ -0,0 +1,5 @@
 from flask import Blueprint
 bp = Blueprint('item', __name__, url_prefix='/item')
 from src.item.new import bp as bp_new_item
 bp.register_blueprint(bp_new_item)
--- a/backend/src/item/new/init.py
+++ b/backend/src/item/new/init.py
@ -0,0 +1,5 @@
 from flask import Blueprint
 bp = Blueprint('new', __name__, url_prefix='/new')
 from src.item.new import forms, routes
--- a/backend/src/item/new/forms.py
+++ b/backend/src/item/new/forms.py
@ -1,18 +1,19 @@
-from app.models import Brand, Category
+from src.models.brand import Brand
 from src.models.category import Category
 from flask_wtf import FlaskForm
 from wtforms import DateField, FloatField, IntegerField, SelectField, SelectMultipleField, StringField, SubmitField
 from wtforms.validators import DataRequired, Optional
 class NewItemForm(FlaskForm):
-    id = IntegerField("Product EAN", validators=[DataRequired()])
+    id = IntegerField("Product EAN", validators=[DataRequired()], render_kw={"class": "form-control"})
-    name = StringField("Name", validators=[DataRequired()])
+    name = StringField("Name", validators=[DataRequired()], render_kw={"class": "form-control"})
-    description = StringField("Description", validators=[DataRequired()])
+    description = StringField("Description", validators=[DataRequired()], render_kw={"class": "form-control"})
-    date = DateField("Insert Date", validators=[DataRequired()])
+    date = DateField("Insert Date", validators=[DataRequired()], render_kw={"class": "form-control"})
-    price_change = FloatField("Price", validators=[DataRequired()])
+    price_change = FloatField("Price", validators=[DataRequired()], render_kw={"class": "form-control"})
-    amount_change = IntegerField("Amount", validators=[Optional()])
+    amount_change = IntegerField("Amount", validators=[Optional()], render_kw={"class": "form-control"})
-    category = SelectMultipleField("Categories", choices=[], validators=[Optional()])
+    category = SelectMultipleField("Categories", choices=[], validators=[Optional()], render_kw={"class": "form-control"})
-    brand = SelectField("Brand", choices=[], validators=[DataRequired()])
+    brand = SelectField("Brand", choices=[], validators=[DataRequired()], render_kw={"class": "form-control"})
-    submit = SubmitField("Submit")
+    submit = SubmitField("Submit", render_kw={"class": "btn btn-primary mt-3"})
    @classmethod
    def new(cls):
@ -20,18 +21,3 @@ class NewItemForm(FlaskForm):
        form.category.choices = [(c.id, c.name) for c in Category.query.order_by("name").all()]
        form.brand.choices = [(b.id, b.name) for b in Brand.query.order_by("name").all()]
        return form
 class NewCategoryForm(FlaskForm):
    name = StringField("Name", validators=[DataRequired()])
    submit = SubmitField("Submit", render_kw={"class": "btn btn-primary mt-3"})
 class NewBrandForm(FlaskForm):
    name = StringField("Name", validators=[DataRequired()])
    submit = SubmitField("Submit", render_kw={"class": "btn btn-primary mt-3"})
 class NewEstablishmentForm(FlaskForm):
    establishment_name = StringField("Name", validators=[DataRequired()])
    submit = SubmitField("Submit", render_kw={"class": "btn btn-primary mt-3"})
 class JoinEstablishmentForm(FlaskForm):
    submit = SubmitField("Submit", render_kw={"class": "btn btn-primary mt-3"})
--- a/backend/src/item/new/routes.py
+++ b/backend/src/item/new/routes.py
@ -0,0 +1,38 @@
 from datetime import date
 from flask import abort, redirect, url_for
 from flask_login import current_user, login_required
 from src import db, LOGGER
 from src.models import AmountChange, Brand, Item, PriceChange
 from src.item.new import bp
 from src.item.new.forms import NewItemForm
 from src.utils.routes_utils import render_custom_template as render_template
@bp.route('/new_item', methods=['GET', 'POST'])
@login_required
 def new_item():
    if current_user.is_anonymous:
        abort(403)
    form = NewItemForm.new()
    if form.is_submitted():
        LOGGER.debug("submitted")
    if form.validate():
        LOGGER.debug("valid")
    else:
        LOGGER.debug(form.errors)
    if form.validate_on_submit():
        LOGGER.debug("valid form")
        brand = Brand.query.get(form.brand.data)
        new_item = Item(id=form.id.data, name=form.name.data,
                        brand=brand.id, description=form.description.data)
        # if form.category.data:
        #     category = Category.query.get(id = form.category.data)
        #     new_item.Category = category
        new_item.PriceChange = [PriceChange(Item=new_item, date=date(
            2021, 12, 1), price=form.price_change.data)]
        if form.amount_change.data:
            new_item.AmountChange = [AmountChange(Item=new_item, date=date(
                2021, 12, 1), amount=form.amount_change.data)]
        db.session.add(new_item)
        db.session.commit()
        return redirect(url_for('main.index'))
    return render_template('item/new/new_item.html', form=form)
--- a/backend/src/main/init.py
+++ b/backend/src/main/init.py
@ -2,4 +2,4 @@ from flask import Blueprint
 bp = Blueprint('main', __name__)
-from app.main import forms, routes
+from src.main import forms, routes
--- a/backend/src/main/forms.py
+++ b/backend/src/main/forms.py
@ -0,0 +1,11 @@
 from flask_wtf import FlaskForm
 from wtforms import StringField, SubmitField
 from wtforms.validators import DataRequired
 class NewCategoryForm(FlaskForm):
    name = StringField("Name", validators=[DataRequired()])
    submit = SubmitField("Submit", render_kw={"class": "btn btn-primary mt-3"})
 class NewBrandForm(FlaskForm):
    name = StringField("Name", validators=[DataRequired()])
    submit = SubmitField("Submit", render_kw={"class": "btn btn-primary mt-3"})
--- a/backend/src/main/routes.py
+++ b/backend/src/main/routes.py
@ -0,0 +1,7 @@
 from src.main import bp
 from src.utils.routes_utils import render_custom_template as render_template
@bp.route('/')
@bp.route('/index')
 def index():
    return render_template("base.html")
--- a/backend/src/models/init.py
+++ b/backend/src/models/init.py
@ -0,0 +1,14 @@
 from src.models.amount_change import AmountChange
 from src.models.bought import Bought
 from src.models.brand import Brand
 from src.models.category import Category
 from src.models.establishment import Establishment
 from src.models.establishment_candidate import EstablishmentCandidate
 from src.models.item_category import item_category
 from src.models.item import Item
 from src.models.login_token import LoginToken
 from src.models.payment import Payment
 from src.models.price_change import PriceChange
 from src.models.receipt_item import ReceiptItem
 from src.models.receipt import Receipt
 from src.models.user import User
--- a/backend/src/models/amount_change.py
+++ b/backend/src/models/amount_change.py
@ -0,0 +1,10 @@
 from src import db
 from datetime import date
 class AmountChange(db.Model):
    item = db.Column(db.ForeignKey('item.id'), primary_key=True, server_onupdate=db.FetchedValue())
    date = db.Column(db.Date, primary_key=True, server_default=str(date(2021, 12, 1)))
    amount = db.Column(db.SmallInteger, nullable=False, server_default=str(1))
    def __repr__(self) -> str:
        return f"<Amount_Change {self.item} ({self.date})>"
--- a/backend/src/models/bought.py
+++ b/backend/src/models/bought.py
@ -0,0 +1,11 @@
 from src import db
 class Bought(db.Model):
    token = db.Column(db.ForeignKey('login_token.token'), primary_key=True, server_onupdate=db.FetchedValue())
    item = db.Column(db.ForeignKey('item.id'), primary_key=True, server_onupdate=db.FetchedValue())
    date = db.Column(db.Date, primary_key=True)
    amount = db.Column(db.SmallInteger, nullable=False)
    registered = db.Column(db.Boolean, nullable=False, server_default=str(False))
    def __repr__(self) -> str:
        return f"<Bought Object>"
--- a/backend/src/models/brand.py
+++ b/backend/src/models/brand.py
@ -0,0 +1,10 @@
 from src import db
 class Brand(db.Model):
    id = db.Column(db.Integer, primary_key=True)
    name = db.Column(db.String(32), nullable=False)
    Item = db.relationship("Item", backref='Brand', lazy='dynamic')
    def __repr__(self) -> str:
        return f"<Brand {self.id} ({self.name})>"
--- a/backend/src/models/category.py
+++ b/backend/src/models/category.py
@ -0,0 +1,11 @@
 from src import db
 from src.models.item_category import item_category
 class Category(db.Model):
    id = db.Column(db.Integer, primary_key=True)
    name = db.Column(db.String(32), nullable=False, unique=True)
    Item = db.relationship("Item", secondary=item_category, lazy="dynamic", back_populates="Category")
    def __repr__(self) -> str:
        return f"<Category {self.id} ({self.name})>"
--- a/backend/src/models/establishment.py
+++ b/backend/src/models/establishment.py
@ -0,0 +1,14 @@
 from src import db
 class Establishment(db.Model):
    id = db.Column(db.BigInteger, primary_key=True)
    name = db.Column(db.String(64), nullable=False)
    owner = db.Column(db.ForeignKey('user.id'), nullable=False)
    LoginToken = db.relationship("LoginToken", backref='Establishment', lazy='dynamic')
    Bought = db.relationship("Bought", secondary="login_token",
        lazy='dynamic', overlaps="Establishment,LoginToken,Bought")
    EstablishmentCandidate = db.relationship("EstablishmentCandidate", backref='Establishment', lazy='dynamic')
    def __repr__(self) -> str:
        return f"<Establishment {self.id} ({self.name})>"
--- a/backend/src/models/establishment_candidate.py
+++ b/backend/src/models/establishment_candidate.py
@ -0,0 +1,8 @@
 from src import db
 class EstablishmentCandidate(db.Model):
    user = db.Column(db.ForeignKey('user.id'), primary_key=True)
    establishment = db.Column(db.ForeignKey('establishment.id'), primary_key=True)
    def __repr__(self) -> str:
        return f"<EstablishmentCandidate {self.user} ({self.establishment})>"
--- a/backend/src/models/item.py
+++ b/backend/src/models/item.py
@ -0,0 +1,17 @@
 from src import db
 from src.models.item_category import item_category
 class Item(db.Model):
    id = db.Column(db.BigInteger, primary_key=True, autoincrement=False)
    name = db.Column(db.String(64), nullable=False)
    brand = db.Column(db.ForeignKey('brand.id'), nullable=False, server_onupdate=db.FetchedValue())
    description = db.Column(db.Text, nullable=False)
    AmountChange = db.relationship("AmountChange", backref='Item', lazy='dynamic')
    Bought = db.relationship("Bought", backref='Item', lazy='dynamic')
    Category = db.relationship("Category", secondary=item_category, lazy="dynamic", back_populates="Item")
    PriceChange = db.relationship("PriceChange", backref='Item', lazy='dynamic')
    ReceiptItem = db.relationship("ReceiptItem", backref='Item', lazy='dynamic')
    def __repr__(self) -> str:
        return f"<Item {self.id} ({self.name})>"
--- a/backend/src/models/item_category.py
+++ b/backend/src/models/item_category.py
@ -0,0 +1,6 @@
 from src import db
 item_category = db.Table("item_category",
    db.Column("item", db.ForeignKey("item.id"), primary_key=True, server_onupdate=db.FetchedValue()),
    db.Column("category", db.ForeignKey("category.id"), primary_key=True, server_onupdate=db.FetchedValue())
 )
--- a/backend/src/models/login_token.py
+++ b/backend/src/models/login_token.py
@ -0,0 +1,12 @@
 from src import db
 class LoginToken(db.Model):
    user = db.Column(db.ForeignKey('user.id'), primary_key=True, server_onupdate=db.FetchedValue())
    establishment = db.Column(db.ForeignKey('establishment.id'), primary_key=True, server_onupdate=db.FetchedValue())
    token = db.Column(db.String(15), nullable=False, unique=True)
    Payment = db.relationship("Payment", backref='LoginToken', lazy='dynamic')
    Receipt = db.relationship("Receipt", backref='LoginToken', lazy='dynamic')
    def __repr__(self) -> str:
        return f"<LoginToken {self.token}>"
--- a/backend/src/models/payment.py
+++ b/backend/src/models/payment.py
@ -0,0 +1,10 @@
 from src import db
 class Payment(db.Model):
    id = db.Column(db.BigInteger, primary_key=True)
    token = db.Column(db.ForeignKey('login_token.token'), primary_key=True, server_onupdate=db.FetchedValue())
    date = db.Column(db.Date, nullable=False, server_default=db.func.now())
    amount = db.Column(db.BigInteger, nullable=False, server_default=str(0))
    def __repr__(self) -> str:
        return f"<Payment {self.id}>"
--- a/backend/src/models/price_change.py
+++ b/backend/src/models/price_change.py
@ -0,0 +1,10 @@
 from src import db
 from datetime import date
 class PriceChange(db.Model):
    item = db.Column(db.ForeignKey('item.id'), primary_key=True, server_onupdate=db.FetchedValue())
    date = db.Column(db.Date, primary_key=True, server_default=str(date(2021, 12, 1)))
    price = db.Column(db.SmallInteger, nullable=False)
    def __repr__(self) -> str:
        return f"<Price_Change {self.item} ({self.date})>"
--- a/backend/src/models/receipt.py
+++ b/backend/src/models/receipt.py
@ -0,0 +1,12 @@
 from src import db
 class Receipt(db.Model):
    id = db.Column(db.Numeric(precision=24, scale=0), primary_key=True, autoincrement=False)
    date = db.Column(db.Date, nullable=False)
    from_user = db.Column(db.ForeignKey("login_token.token"), server_onupdate=db.FetchedValue())
    registered = db.Column(db.Boolean, nullable=False, server_default=str(False))
    ReceiptItem = db.relationship("ReceiptItem", backref='Receipt', lazy='dynamic')
    def __repr__(self) -> str:
        return f"<Receipt {self.id}>"
--- a/backend/src/models/receipt_item.py
+++ b/backend/src/models/receipt_item.py
@ -0,0 +1,9 @@
 from src import db
 class ReceiptItem(db.Model):
    receipt = db.Column(db.ForeignKey("receipt.id"), primary_key=True, server_onupdate=db.FetchedValue())
    item = db.Column(db.ForeignKey("item.id"), primary_key=True, server_onupdate=db.FetchedValue())
    amount = db.Column(db.SmallInteger, nullable=False)
    def __repr__(self) -> str:
        return f"<ReceiptItem {self.receipt}: {self.item}>"
--- a/backend/src/models/user.py
+++ b/backend/src/models/user.py
@ -0,0 +1,45 @@
 import jwt
 from src import db, login
 from flask import current_app
 from flask_login import UserMixin
 from time import time
 from werkzeug.security import generate_password_hash, check_password_hash
 class User(UserMixin, db.Model):
    id = db.Column(db.BigInteger, primary_key=True)
    email = db.Column(db.String(255), nullable=False, unique=True)
    password_hash = db.Column(db.String(128), nullable=False)
    LoginToken = db.relationship("LoginToken", backref='User', lazy='dynamic')
    Bought = db.relationship("Bought", secondary="login_token",
        lazy='dynamic', overlaps="User,LoginToken")
    EstablishmentCandidate = db.relationship("EstablishmentCandidate", backref='User', lazy='dynamic')
    Establishment = db.relationship("Establishment", backref="User", lazy="dynamic")
    def set_password(self, password):
        self.password_hash = generate_password_hash(password)
    def check_password(self, password):
        return check_password_hash(self.password_hash, password)
    def get_reset_password_token(self, expires_in=600):
        return jwt.encode(
            {'reset_password': self.id, 'exp': time() + expires_in},
            current_app.config['SECRET_KEY'], algorithm='HS256')
    @staticmethod
    def verify_reset_password_token(token):
        try:
            id = jwt.decode(token, current_app.config['SECRET_KEY'],
                            algorithms=['HS256'])['reset_password']
        except:
            return
        return User.query.get(id)
    def __repr__(self) -> str:
        return f"<User {self.id} ({self.email})>"
@login.user_loader
 def load_user(id):
    return User.query.get(int(id))
--- a/backend/src/receipts/init.py
+++ b/backend/src/receipts/init.py
@ -0,0 +1,5 @@
 from flask import Blueprint
 bp = Blueprint('receipts', __name__, url_prefix='/receipts')
 from src.receipts import forms, routes
--- a/backend/src/receipts/forms.py
+++ b/backend/src/receipts/forms.py
@ -0,0 +1,24 @@
 from flask_wtf import FlaskForm
 from flask_wtf.file import FileAllowed, FileField, FileRequired
 from wtforms import BooleanField, SelectMultipleField, SubmitField, widgets
 from wtforms.validators import Optional
 class MultiCheckboxField(SelectMultipleField):
    widget = widgets.ListWidget(prefix_label=False)
    option_widget = widgets.CheckboxInput()
 class UploadReceiptForm(FlaskForm):
    pdfReceipt = FileField("PDF", validators=[FileRequired(), FileAllowed(["pdf"], "Invalid Format, must be .pdf")])
    submit = SubmitField("Submit", render_kw={"class": "btn btn-primary mt-3"})
 class CheckItemsForm(FlaskForm):
    items = MultiCheckboxField("Items")
    submit = SubmitField("Submit", render_kw={"class": "btn btn-primary mt-3"})
    #TODO create new() method which loads the form for a specific receipt
    @classmethod
    def new(cls, itemArray):
        """
        """
        form = cls()
        return form
--- a/backend/src/receipts/routes.py
+++ b/backend/src/receipts/routes.py
@ -0,0 +1,62 @@
 from src import db, LOGGER
 from src.models.receipt import Receipt
 from src.models.login_token import LoginToken
 from src.receipts import bp
 from src.receipts.forms import CheckItemsForm, UploadReceiptForm
 from src.utils.pdf_receipt_parser import PDFReceipt
 from src.utils.routes_utils import render_custom_template as render_template
 from flask import abort, request, url_for
 from flask_login import current_user, login_required
 PDFDir = "./"
@bp.route('/upload_receipt', methods=['GET', 'POST'])
@login_required
 def upload_receipt():
    """Upload of a receipt."""
    if current_user.is_anonymous:
        abort(403)
    if "establishment" in request.args:
        if LoginToken.query.filter_by(establishment=request.args['establishment'], user=current_user.id).first():
            form = UploadReceiptForm()
            LOGGER.debug(form.pdfReceipt.data)
            if form.is_submitted():
                LOGGER.debug("submitted")
            if form.validate():
                LOGGER.debug("valid")
            else:
                LOGGER.debug(form.errors)
            if form.validate_on_submit():
                receipt = PDFReceipt(form.pdfReceipt.data)
                dbReceipt = Receipt(id = receipt.id, date = receipt.date,
                    from_user = LoginToken.query.filter_by(establishment=request.args['establishment'], user=current_user.id).first().token)
                form.pdfReceipt.data.save(PDFDir + f"{str(receipt.date)}_{receipt.id}.pdf")
                db.session.add(dbReceipt)
                db.session.commit()
                return receipt.text.replace("\n", "<br>")
            return render_template("receipts/upload.html", form = form)
    abort(403)
@bp.route('/confirm_receipt', methods=['GET', 'POST'])
@login_required
 def confirm_receipt_items():
    """Check items from a receipt if they should be accounted for payment."""
    if "receipt" in request.args:
        receipt_details = Receipt.query.get(request.args['receipt'])
        if current_user.is_anonymous and current_user.id == receipt_details.LoginToken.Establishment.owner:
            receipt = PDFReceipt._getPDFReceiptFromFile(PDFDir + f"{receipt.date}_{receipt.id}.pdf")
            form = CheckItemsForm()
            # TODO: Precheck if items are already in database. If yes, check if item is present only once or multiple
            #       times and provide dropdown menu if necessary. If not, provide input field.
            temp_choices = []
            for item in receipt.items:
                match item:
                    case {"itemname": itemname, "price": price}:
                        temp_choices.append((itemname.replace(" ", "_"), f"{itemname, price}"))
                    case {"itemname": itemname, "price": price, "amount": amount}:
                        temp_choices.append((itemname.replace(" ", "_"), f"{itemname}, {price} * {amount}"))
            form.choices = temp_choices
            if form.validate_on_submit():
                pass # TODO
            return render_template("receipts/confirm_items.html")
    abort(403)
--- a/backend/src/static/sidebars.css
+++ b/backend/src/static/sidebars.css
--- a/backend/src/templates/auth/login.html
+++ b/backend/src/templates/auth/login.html
@ -5,16 +5,10 @@
    <h1>Sign In</h1>
    <form action="" method="post" novalidate>
        {{ form.hidden_tag() }}
-        <p>
+        {{ wtf.form_field(form.email, class=form.email.render_kw["class"] or "form-control mb-3") }}
-            {{ wtf.form_field(form.email) }}
+        {{ wtf.form_field(form.password, class=form.password.render_kw["class"] or "form-control mb-3") }}
-        </p>
+        {{ wtf.form_field(form.remember_me, class=form.remember_me.render_kw["class"] or "mb-3") }}
-        <p>
+        {{ wtf.form_field(form.submit, class=form.submit.render_kw["class"] or "btn btn-primary mt-3") }}
            {{ wtf.form_field(form.password) }}
        </p>
        <p>
            {{ wtf.form_field(form.remember_me) }}
        </p>
        {{ wtf.form_field(form.submit, class=form.submit.render_kw["class"]) }}
    </form>
    <p>
        Forgot Your Password?
--- a/backend/src/templates/auth/register.html
+++ b/backend/src/templates/auth/register.html
@ -0,0 +1,13 @@
 {% extends "base.html" %}
 {% import 'bootstrap/wtf.html' as wtf %}
 {% block app_content %}
    <h1>Register</h1>
    <form action="" method="post">
        {{ form.hidden_tag() }}
        {{ wtf.form_field(form.email, class=form.email.render_kw["class"] or "form-control mb-3") }}
        {{ wtf.form_field(form.password, class=form.password.render_kw["class"] or "form-control mb-3") }}
        {{ wtf.form_field(form.password2, class=form.password2.render_kw["class"] or "form-control mb-3") }}
        {{ wtf.form_field(form.submit, class=form.submit.render_kw["class"] or "btn btn-primary mt-3") }}
    </form>
 {% endblock %}
--- a/backend/src/templates/auth/reset_password.html
+++ b/backend/src/templates/auth/reset_password.html
--- a/backend/src/templates/auth/reset_password_request.html
+++ b/backend/src/templates/auth/reset_password_request.html
--- a/backend/src/templates/base.html
+++ b/backend/src/templates/base.html
@ -0,0 +1,126 @@
 {% extends "bootstrap/base.html" %}
 {% block title %}
 {% if title %}
 {{ title }}
 {% else %}
 CostHive
 {% endif %}
 {% endblock %}
 {% block metas %}
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 {% endblock %}
 {% block styles %}
 <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.1.3/dist/css/bootstrap.min.css" rel="stylesheet"
    integrity="sha384-1BmE4kWBq78iYhFldvKuhfTAU6auU8tT94WrHftjDbrCEXSU1oBoqyl2QvZ6jIW3" crossorigin="anonymous">
 <link rel="stylesheet" href={{ url_for('static', filename="sidebars.css")}}>
 {% endblock %}
 {% block navbar %}
 <main>
    <div class="flex-shrink-0 p-3 bg-black bg-opacity-10 scrollbar-primary h-100 position-fixed" style="width: 280px;">
        <a href="/"
            class="d-flex align-items-center pb-3 mb-3 link-dark text-decoration-none border-bottom border-dark">
            <svg class="bi me-2" width="30" height="24">
                <use xlink:href="#bootstrap"></use>
            </svg>
            <span class="fs-5 fw-semibold">
                {% if title %}
                {{ title }}
                {% else %}
                CostHive
                {% endif %}
            </span>
        </a>
        <ul class="list-unstyled ps-0">
            <li class="mb-1">
                <button class="btn btn-toggle align-items-center rounded collapsed" data-bs-toggle="collapse"
                    data-bs-target="#home-collapse" aria-expanded="true">
                    Home (WIP)
                </button>
                <div class="collapse show" id="home-collapse">
                    <ul class="btn-toggle-nav list-unstyled fw-normal pb-1 small">
                        <li><a href="{{ url_for('establishment.list.show_establishments') }}"
                                class="link-dark rounded">Einrichtungen</a></li>
                        <li><a href="#" class="link-dark rounded">Inventar</a></li>
                    </ul>
                </div>
            </li>
            {% if current_user.is_authenticated %}
            <li class="mb-1">
                <button class="btn btn-toggle align-items-center rounded collapsed" data-bs-toggle="collapse"
                    data-bs-target="#dashboard-collapse" aria-expanded="false">
                    Übersicht
                </button>
                <div class="collapse" id="dashboard-collapse">
                    <ul class="btn-toggle-nav list-unstyled fw-normal pb-1 small">
                        {% if current_user_establishments %}
                        {% for establishment in current_user_establishments %}
                        <li>
                            <a href="{{ url_for('establishment.overview.get_report_from_user', establishment_id=establishment.id) }}"
                                class="link-dark rounded">{{ establishment.name }}</a>
                        </li>
                        {% endfor %}
                        {% endif %}
                        <li>
                            <a href="{{ url_for('establishment.new.create_new_establishment') }}"
                                class="link-dark rounded">➕ Neu</a>
                        </li>
                    </ul>
                </div>
            </li>
            {% endif %}
            <li class="border-top border-dark my-3"></li>
            <li class="mb-1">
                <button class="btn btn-toggle align-items-center rounded collapsed" data-bs-toggle="collapse"
                    data-bs-target="#account-collapse" aria-expanded="false">
                    Account
                </button>
                <div class="collapse" id="account-collapse" style="">
                    <ul class="btn-toggle-nav list-unstyled fw-normal pb-1 small">
                        <!-- <li><a href="#" class="link-dark rounded">New...</a></li>
                                <li><a href="#" class="link-dark rounded">Settings</a></li> -->
                        {% if current_user.is_authenticated %}
                        <!-- <li><a href="#" class="link-dark rounded">Profile</a></li> -->
                        <li><a href={{ url_for('auth.web_logout') }} class="link-dark rounded">Sign out</a></li>
                        {% else %}
                        <li><a href={{ url_for('auth.web_register') }} class="link-dark rounded">Register</a></li>
                        <li><a href={{ url_for('auth.web_login') }} class="link-dark rounded">Sign in</a></li>
                        {% endif %}
                    </ul>
                </div>
            </li>
        </ul>
    </div>
    {% endblock %}
    {% block content %}
    {% with messages = get_flashed_messages() %}
    {% if messages %}
    <ul>
        {% for message in messages %}
        <li>{{ message }}</li>
        {% endfor %}
    </ul>
    {% endif %}
    {% endwith %}
    <div style="width: 280px;"></div>
    <div class="container">
        <div class="row my-3"></div>
        <div class="row-md-3">
            {% block app_content %}{% endblock %}
        </div>
        <div class="row my-3"></div>
    </div>
 </main>
 {% endblock %}
 {% block scripts %}
 <script src="https://cdn.jsdelivr.net/npm/bootstrap@5.1.3/dist/js/bootstrap.bundle.min.js"
    integrity="sha384-ka7Sk0Gln4gmtz2MlQnikT1wXgYsOg+OMhuP+IlRH9sENBO0LRn5q+8nbTov4+1p"
    crossorigin="anonymous"></script>
 <!-- <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.6.0/jquery.min.js"></script> -->
 {% endblock %}
--- a/backend/src/templates/email/reset_password.html
+++ b/backend/src/templates/email/reset_password.html
--- a/backend/src/templates/email/reset_password.txt
+++ b/backend/src/templates/email/reset_password.txt
--- a/backend/src/templates/errors/403.html
+++ b/backend/src/templates/errors/403.html
@ -0,0 +1,7 @@
 {% extends "base.html" %}
 {% block app_content %}
    <h1>You are not allowed to do this!</h1>
    <h4>how dare you</h4>
    <p><a href="{{ url_for('main.index') }}">Back</a></p>
 {% endblock %}
--- a/backend/src/templates/errors/404.html
+++ b/backend/src/templates/errors/404.html
--- a/backend/src/templates/errors/500.html
+++ b/backend/src/templates/errors/500.html
--- a/backend/src/templates/establishment/candidates/_candidate_evaluation.html
+++ b/backend/src/templates/establishment/candidates/_candidate_evaluation.html
@ -0,0 +1,6 @@
 <form action="" method="post">
    {{ form.csrf_token }}
    {{ form.candidate_id(value=candidate.user) }}
    {{ form.accept }}
    {{ form.deny }}
 </form>
--- a/backend/src/templates/establishment/candidates/candidates.html
+++ b/backend/src/templates/establishment/candidates/candidates.html
@ -0,0 +1,15 @@
 {% extends "base.html" %}
 {% import 'bootstrap/wtf.html' as wtf %}
 {% block app_content %}
 <table class="table">
    <tbody>
        {% for candidate in establishment_candidates %}
        <tr>
            <td>{{ candidate.User.email }}</td>
            <td>{% include "establishment/candidates/_candidate_evaluation.html" %}</td>
        </tr>
        {% endfor %}
    </tbody>
 </table>
 {% include "utils/general/_page_navigation.html" %}
 {% endblock %}
--- a/backend/src/templates/establishment/list/establishment_list.html
+++ b/backend/src/templates/establishment/list/establishment_list.html
@ -0,0 +1,27 @@
 {% extends "base.html" %}
 {% import 'bootstrap/wtf.html' as wtf %}
 {% block app_content %}
 <table class="table">
  <thead>
    <tr>
      <th scope="col">#</th>
      <th scope="col">Name</th>
      {% if current_user.is_authenticated %}
      <th scope="col">Anfrage senden</th>
      {% endif %}
    </tr>
  </thead>
  <tbody>
    {% for establishment in establishments %}
    <tr>
      <th scope="row">{{ establishment.id }}</th>
      <td>{{ establishment.name }}</td>
      {% if current_user.is_authenticated %}
      <td>{% include 'establishment/list/establishment_request.html' %}</td>
      {% endif %}
    </tr>
    {% endfor %}
  </tbody>
 </table>
 {% include "utils/general/_page_navigation.html" %}
 {% endblock %}
--- a/backend/src/templates/establishment/list/establishment_request.html
+++ b/backend/src/templates/establishment/list/establishment_request.html
@ -0,0 +1,11 @@
 <form action="" method="post">
    {{ form.csrf_token }}
    {{ form.id(value=establishment.id) }}
    {% if current_user.EstablishmentCandidate.filter_by(establishment = establishment.id).first() %}
    {{ form.submit(value="Bereits angefragt", disabled=True) }}
    {% elif establishment.LoginToken.filter_by(user = current_user.id).first() %}
    {{ form.submit(value="Bereits Mitglied", disabled=True) }}
    {% else %}
    {{ form.submit }}
    {% endif %}
 </form>
--- a/backend/src/templates/establishment/new/new_establishment.html
+++ b/backend/src/templates/establishment/new/new_establishment.html
@ -0,0 +1,6 @@
 {% extends "base.html" %}
 {% import 'bootstrap/wtf.html' as wtf %}
 {% block app_content %}
    {% include 'establishment/new/new_establishment_form.html' %}
 {% endblock %}
--- a/backend/src/templates/establishment/new/new_establishment_form.html
+++ b/backend/src/templates/establishment/new/new_establishment_form.html
@ -0,0 +1,5 @@
 <form action="" method="post">
    {{ form.hidden_tag() }}
    {{ wtf.form_field(form.name, class=form.name.render_kw["class"] or "form-control mb-3") }}
    {{ wtf.form_field(form.submit, class=form.submit.render_kw["class"] or "btn btn-primary  mt-3") }}
 </form>
--- a/backend/src/templates/establishment/overview/overview.html
+++ b/backend/src/templates/establishment/overview/overview.html
@ -0,0 +1,39 @@
 {% extends "base.html" %}
 {% block app_content %}
 {% if establishment %}
 {% if current_user.id == establishment.owner %}
 <button type="button" class="btn btn-outline-dark px-2" data-bs-toggle="button" autocomplete="off"
    onclick="window.location.href='{{ url_for('establishment.overview.get_report_from_user', establishment_id=establishment.id) }}'">
    Abrechnung
 </button>
 {% endif %}
 {% endif %}
 {% for user in results %}
 <div class="card">
    <button class="btn btn-primary" data-bs-toggle="collapse" data-bs-target="#b{{ user.id }}" aria-expanded="true">
        <div class="card-header">
            <h3>{{ user.email }}: {{ user.sum/100 }} €</h3>
        </div>
    </button>
    <div class="collapse" id="b{{ user.id }}">
        {% for item_infos in user.item_infos %}
        <div class="card-body">
            <div class="col-sm-1"></div>
            <div class="col">
                <h4>{{ item_infos.date }}</h4>
                {% for item in item_infos.item_list %}
                <div class="row">
                    <div class="col-sm-1"></div>
                    <div class="col">
                        {{ item.amount }}x {{ item.name }} je {{ item.price/100 }} €
                    </div>
                </div>
                {% endfor %}
            </div>
        </div>
        {% endfor %}
    </div>
 </div>
 {% endfor %}
 {% endblock %}
--- a/backend/src/templates/item/new/new_item.html
+++ b/backend/src/templates/item/new/new_item.html
@ -0,0 +1,6 @@
 {% extends "base.html" %}
 {% import 'bootstrap/wtf.html' as wtf %}
 {% block app_content %}
    {% include 'item/new/new_item_form.html' %}
 {% endblock %}
--- a/backend/src/templates/item/new/new_item_form.html
+++ b/backend/src/templates/item/new/new_item_form.html
@ -0,0 +1,13 @@
 {% from 'utils/form/_render_field.html' import render_field %}
 <form action="" method="post">
    {{ form.hidden_tag() }}
    {{ render_field(form.id) }}
    {{ render_field(form.name) }}
    {{ render_field(form.description) }}
    {{ render_field(form.date) }}
    {{ render_field(form.price_change) }}
    {{ render_field(form.amount_change) }}
    {{ render_field(form.category) }}
    {{ render_field(form.brand) }}
    {{ form.submit }}
 </form>
--- a/backend/src/templates/main/overview.html
+++ b/backend/src/templates/main/overview.html
@ -0,0 +1,4 @@
 {% extends "base.html" %}
 {% block app_content %}
 {% endblock %}
--- a/backend/src/templates/receipts/confirm_items.html
+++ b/backend/src/templates/receipts/confirm_items.html
@ -0,0 +1,9 @@
 {% extends "base.html" %}
 {% import 'bootstrap/wtf.html' as wtf %}
 {% block app_content %}
    <form action="" method="post" novalidate enctype="multipart/form-data">
        {{ form.hidden_tag() }}
        {{ wtf.form_field(form.submit, class=form.submit.render_kw["class"] or "btn btn-primary mt-3") }}
    </form>
 {% endblock %}
--- a/backend/src/templates/receipts/upload.html
+++ b/backend/src/templates/receipts/upload.html
@ -0,0 +1,10 @@
 {% extends "base.html" %}
 {% import 'bootstrap/wtf.html' as wtf %}
 {% block app_content %}
    <form action="" method="post" novalidate enctype="multipart/form-data">
        {{ form.hidden_tag() }}
        {{ wtf.form_field(form.pdfReceipt, class=form.pdfReceipt.render_kw["class"] or "form-control") }}
        {{ wtf.form_field(form.submit, class=form.submit.render_kw["class"] or "btn btn-primary mt-3") }}
    </form>
 {% endblock %}
--- a/backend/src/templates/utils/form/_render_field.html
+++ b/backend/src/templates/utils/form/_render_field.html
@ -0,0 +1,11 @@
 {% macro render_field(field) %}
 <div class="form-group">
  {{ field.label }} {{ field(**kwargs)|safe }} {% if field.errors %}
  <ul class="errors">
    {% for error in field.errors %}
    <li>{{ error }}</li>
    {% endfor %}
  </ul>
  {% endif %}
 </div>
 {% endmacro %}
--- a/Show More
+++ b/Show More
`@ -2,4 +2,4 @@ from flask import Blueprint`

	`bp = Blueprint('main', __name__)`	`bp = Blueprint('main', __name__)`

	`from app.main import forms, routes`	`from src.main import forms, routes`