/
app.py
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/
app.py
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import json
import os
from flask import Flask, render_template, abort, request, redirect, url_for, session
from flask_sqlalchemy import SQLAlchemy
from flask_migrate import Migrate
from sqlalchemy import func
from sqlalchemy.dialects.postgresql import JSONB
from flask_wtf import FlaskForm
from flask_wtf.csrf import CSRFProtect
from wtforms import StringField, HiddenField, RadioField, SelectField
from wtforms.validators import InputRequired
app = Flask(__name__)
csrf = CSRFProtect(app)
app.config['SECRET_KEY'] = "VeryVeryRandomStringForVeryVerySecurity"
app.config['SQLALCHEMY_DATABASE_URI'] = os.environ.get("DATABASE_URL")
app.config['SQLALCHEMY_TRACK_MODIFICATIONS'] = False
db = SQLAlchemy(app)
migrate = Migrate(app, db)
teachers_goals_association = db.Table('teachers_goals', db.metadata,
db.Column('teacher_id', db.Integer, db.ForeignKey('teachers.id'), nullable=False),
db.Column('goal_id', db.Integer, db.ForeignKey('goals.id'), nullable=False))
class Teacher(db.Model):
__tablename__ = "teachers"
id = db.Column(db.Integer, primary_key=True)
name = db.Column(db.String, nullable=False)
about = db.Column(db.String, nullable=False)
rating = db.Column(db.Float, nullable=False)
picture = db.Column(db.String, nullable=False)
price = db.Column(db.Float, nullable=False)
goals = db.relationship("Goal", secondary=teachers_goals_association, back_populates="teachers")
free = db.Column(JSONB, nullable=False)
bookings = db.relationship("Booking", back_populates="teachers")
class Booking(db.Model):
__tablename__ = "bookings"
id = db.Column(db.Integer, primary_key=True)
client_name = db.Column(db.String, nullable=False)
client_phone = db.Column(db.String, nullable=False)
time = db.Column(db.String, nullable=False)
day = db.Column(db.String, nullable=False)
teacher_id = db.Column(db.Integer, db.ForeignKey("teachers.id"), nullable=False)
teachers = db.relationship("Teacher", back_populates="bookings")
class Request(db.Model):
__tablename__ = "requests"
id = db.Column(db.Integer, primary_key=True)
goal = db.Column(db.String, nullable=False)
time = db.Column(db.String, nullable=False)
client_name = db.Column(db.String, nullable=False)
client_phone = db.Column(db.String, nullable=False)
class Day(db.Model):
__tablename__ = "days"
id = db.Column(db.Integer, primary_key=True)
key_en = db.Column(db.String, nullable=False)
value_ru = db.Column(db.String, nullable=False)
value_en = db.Column(db.String, nullable=False)
class Goal(db.Model):
__tablename__ = "goals"
id = db.Column(db.Integer, primary_key=True)
key_en = db.Column(db.String, nullable=False)
value_ru = db.Column(db.String, nullable=False)
icon = db.Column(db.String, nullable=False)
teachers = db.relationship("Teacher", secondary=teachers_goals_association, back_populates="goals")
class BookingForm(FlaskForm):
weekday = HiddenField()
time = HiddenField()
teacher = HiddenField()
client_name = StringField("Ваc зовут", [InputRequired(message="Укажите ваше имя")])
client_phone = StringField("Ваш телефон", [InputRequired(message="Укажите ваш телефон")])
class RequestForm(FlaskForm):
goal = RadioField("Какая цель занятий?", choices=[
('travel', 'Для путешествий'),
('study', 'Для учебы'),
('work', 'Для работы'),
('relocate', 'Для переезда'),
])
time = RadioField("Сколько времени есть?", choices=[
('1-2', '1-2 часа в неделю'),
('3-5', '3-5 часов в неделю'),
('5-7', '5-7 часов в неделю'),
('7-10', '7-10 часов в неделю')
])
client_name = StringField("Ваc зовут", [InputRequired(message="Укажите ваше имя")])
client_phone = StringField("Ваш телефон", [InputRequired(message="Укажите ваш телефон")])
class SortForm(FlaskForm):
sort = SelectField("Сортировать", choices=[
('random', 'В случайном порядке'),
('by_rating', 'Сначала лучшие по рейтингу'),
('expensive_first', 'Сначала дорогие'),
('cheap_first', 'Сначала недорогие'),
])
def get_schedule(teacher):
teacher_free = json.loads(teacher.free)
schedule = {}
for free in teacher_free:
day_schedule = {}
for time in teacher_free[free]:
if teacher_free[free][time]:
day_schedule.update({time: teacher_free[free][time]})
schedule[free] = day_schedule
return schedule
def get_days():
all_days = db.session.query(Day).all()
days = {}
for day in all_days:
days[day.key_en] = [day.value_ru, day.value_en]
return days
@app.errorhandler(404)
def render_not_found(_):
return "Ничего не нашлось! Вот неудача, отправляйтесь на главную!", 404
@app.route("/")
def render_main():
goals = db.session.query(Goal).all()
teachers = db.session.query(Teacher).order_by(func.random()).limit(6)
return render_template("index.html", goals=goals,
teachers=teachers)
@app.route("/all/")
def render_all():
form = SortForm(request.args, meta={'csrf': False})
if not form.validate() and request.args.to_dict():
return redirect(url_for("render_all"))
sort_value = request.args.get("sort")
if not sort_value or sort_value == "random":
teachers = db.session.query(Teacher).order_by(func.random()).all()
return render_template("all.html", form=form,
teachers=teachers)
elif sort_value == "by_rating":
teachers = db.session.query(Teacher).order_by(Teacher.rating.desc()).all()
return render_template("all.html", form=form,
teachers=teachers)
elif sort_value == "expensive_first":
teachers = db.session.query(Teacher).order_by(Teacher.price.desc()).all()
return render_template("all.html", form=form,
teachers=teachers)
elif sort_value == "cheap_first":
teachers = db.session.query(Teacher).order_by(Teacher.price).all()
return render_template("all.html", form=form,
teachers=teachers)
@app.route("/goals/<goal>/")
def render_goals(goal):
goals = db.session.query(Goal).filter(Goal.key_en == goal).first()
goal_name = f"{goals.value_ru[0].lower()}{goals.value_ru[1:].lower()}"
icon = goals.icon
teachers = db.session.query(Teacher).join(teachers_goals_association, Goal)\
.filter(Goal.key_en == goal).all()
return render_template("goal.html", goal=goal,
icon=icon,
goal_name=goal_name,
teachers=teachers)
@app.route("/profiles/<int:teacher_id>/")
def render_profiles(teacher_id):
teacher = db.session.query(Teacher).get_or_404(teacher_id)
goals = teacher.goals
schedule = get_schedule(teacher)
days = get_days()
return render_template("profile.html", teacher=teacher,
goals=goals,
days=days,
schedule=schedule)
@app.route("/request/", methods=["GET", "POST"])
def render_request():
form = RequestForm(goal="travel", time="5-7")
if not form.validate_on_submit():
return render_template("request.html", form=form)
goal_choices = dict(form.goal.choices)
time_choices = dict(form.time.choices)
session['request'] = {
"goal": form.goal.data,
"goal_label": goal_choices[form.goal.data],
"time": form.time.data,
"time_label": time_choices[form.time.data],
"client_name": form.client_name.data,
"client_phone": form.client_phone.data
}
rec = Request(goal=session['request']['goal'],
time=session['request']['time'],
client_name=session['request']['client_name'],
client_phone=session['request']['client_phone'])
db.session.add(rec)
db.session.commit()
return redirect(url_for("render_request_done"))
@app.route("/request_done/")
def render_request_done():
return render_template("request_done.html", goal=session['request']['goal_label'],
time=session['request']['time_label'],
name=session['request']['client_name'],
phone=session['request']['client_phone'])
@app.route("/booking/<int:teacher_id>/<day>/<time>/", methods=["GET", "POST"])
def render_booking(teacher_id, day, time):
teacher = db.session.query(Teacher).get_or_404(teacher_id)
schedule = get_schedule(teacher)
days = get_days()
day = day[:3]
if not schedule.get(day) or f"{time}:00" not in schedule.get(day):
abort(404)
form = BookingForm()
if not form.validate_on_submit():
return render_template("booking.html", form=form,
teacher=teacher,
days=days,
day=day,
time=time)
session['booking'] = {
"day": form.weekday.data,
"time": form.time.data,
"teacher_id": form.teacher.data,
"client_name": form.client_name.data,
"client_phone": form.client_phone.data
}
rec = Booking(client_name=session['booking']['client_name'],
client_phone=session['booking']['client_phone'],
time=session['booking']['time'],
day=session['booking']['day'],
teacher_id=session['booking']['teacher_id'])
db.session.add(rec)
db.session.commit()
return redirect(url_for("render_booking_done"))
@app.route("/booking_done/")
def render_booking_done():
days = get_days()
return render_template("booking_done.html", days=days,
day=session['booking']['day'],
time=session['booking']['time'],
name=session['booking']['client_name'],
phone=session['booking']['client_phone'])
if __name__ == '__main__':
app.run()