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app.py
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app.py
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from flask import Flask, render_template, request
from data_tools import get_free_profile_hours, WEEKDAYS
from forms import RequestForm, BookingForm
from environs import Env
from flask_migrate import Migrate
from sqlalchemy import CheckConstraint
from flask_sqlalchemy import SQLAlchemy
import random
from sqlalchemy.orm.attributes import flag_modified
env = Env()
env.read_env()
app = Flask(__name__)
app.config["SQLALCHEMY_DATABASE_URI"] = env.str("DATABASE_URL", "sqlite:///test.db")
app.config['SQLALCHEMY_TRACK_MODIFICATIONS'] = False
app.secret_key = env.str('SECRET_KEY', 'my-super-secret-phrase-I-dont-tell-this-to-nobody')
db = SQLAlchemy(app)
migrate = Migrate(app, db)
PROFILE_NUMBERS_PER_MAIN_PAGE = int(env.str('PROFILE_NUMBERS_PER_MAIN_PAGE', '6'))
teachers_goals_association = db.Table(
"teachers_goals",
db.Column("teacher_id", db.Integer, db.ForeignKey("teachers.id")),
db.Column("goal_id", db.Integer, db.ForeignKey("goals.id")),
)
class Teacher(db.Model):
__tablename__ = "teachers"
id = db.Column(db.Integer, primary_key=True)
name = db.Column(db.String(50))
about = db.Column(db.Text)
rating = db.Column(db.Float)
picture = db.Column(db.String(200))
price = db.Column(db.Integer)
goals = db.relationship("Goal", secondary=teachers_goals_association, back_populates="teachers")
free = db.Column(db.JSON)
bookings = db.relationship("Booking", back_populates="teacher")
class Goal(db.Model):
__tablename__ = "goals"
id = db.Column(db.Integer, primary_key=True)
slug = db.Column(db.String(200))
description = db.Column(db.String(200))
teachers = db.relationship("Teacher", secondary=teachers_goals_association, back_populates="goals")
icon = db.Column(db.String(30))
class Booking(db.Model):
__tablename__ = "bookings"
id = db.Column(db.Integer, primary_key=True)
weekday = db.Column(db.String(3))
time = db.Column(db.String(5), CheckConstraint("time LIKE '__:__'"))
teacher = db.relationship("Teacher", back_populates="bookings")
teacher_id = db.Column(db.Integer, db.ForeignKey('teachers.id'))
name = db.Column(db.String(50))
phone = db.Column(db.String(50))
class Request(db.Model):
__tablename__ = "requests"
id = db.Column(db.Integer, primary_key=True)
goal = db.relationship("Goal")
goal_id = db.Column(db.Integer, db.ForeignKey('goals.id'))
time = db.Column(db.String(5))
name = db.Column(db.String(50))
phone = db.Column(db.String(50))
@app.route('/')
def render_main():
profiles = random.sample(db.session.query(Teacher).all(), PROFILE_NUMBERS_PER_MAIN_PAGE)
goals = db.session.query(Goal).all()
return render_template('index.html', profiles=profiles, goals=goals)
@app.route('/goals/<goal_slug>/')
def render_goal(goal_slug):
goal = db.session.query(Goal).filter(Goal.slug == goal_slug).one()
profiles = db.session.query(Teacher).filter(Teacher.goals.any(id=goal.id)).order_by(Teacher.rating.desc()).all()
return render_template('goal.html', goal=goal, profiles=profiles)
@app.route('/profiles/<int:profile_id>/')
def render_profile(profile_id):
profile = db.session.query(Teacher).get_or_404(profile_id)
goals = db.session.query(Goal).all()
free_hours = get_free_profile_hours(profile.free)
return render_template('profile.html', profile=profile, goals=goals, free_hours=free_hours, weekday=WEEKDAYS)
@app.route('/request/', methods=["GET", "POST"])
def render_request():
form = RequestForm()
goals = db.session.query(Goal).all()
choices = [(str(goal.id), goal.description) for goal in goals]
form.goal.choices = choices
form.goal.data = choices[0][0]
if request.method == "POST":
if form.validate_on_submit():
goal_id = form.goal.data
goal = db.session.query(Goal).get_or_404(goal_id)
time = form.time.data
name = form.name.data
phone = form.phone.data
lesson_request = Request(goal=goal,
goal_id=goal_id,
time=time,
name=name,
phone=phone)
db.session.add(lesson_request)
db.session.commit()
return render_template('request_done.html', goal=goal, time=time, name=name, phone=phone)
return render_template('request.html', form=form)
@app.route('/booking/<int:profile_id>/<weekday>/<time>/', methods=["GET", "POST"])
def render_booking(profile_id, weekday, time):
profile = db.session.query(Teacher).get_or_404(profile_id)
form = BookingForm()
form.weekday.default = weekday
form.time.default = time
form.teacher.default = profile_id
if request.method == "POST":
if form.validate_on_submit():
name = form.name.data
time = form.time.data
weekday = form.weekday.data
teacher_id = form.teacher.data
phone = form.phone.data
teacher = db.session.query(Teacher).get_or_404(profile_id)
booking = Booking(weekday=weekday,
time=time,
teacher=teacher,
teacher_id=teacher_id,
name=name,
phone=phone)
db.session.add(booking)
schedule = teacher.free
schedule[weekday][time] = False
teacher.free = schedule
flag_modified(teacher, "free")
db.session.commit()
return render_template('booking_done.html', weekday=WEEKDAYS[weekday], time=time, name=name, phone=phone)
return render_template('booking.html', profile=profile, weekday=WEEKDAYS[weekday], time=time, form=form)
if __name__ == '__main__':
app.run()