routes.py

from flask import Flask, render_template, request, session, redirect, url_for
from models import db, User, Place
from forms import SignupForm, LoginForm, AddressForm

app = Flask(__name__)

app.config['SQLALCHEMY_DATABASE_URI'] = 'postgresql://postgres:tester@localhost:5432/flask-first'
db.init_app(app)

app.secret_key = "development-key"

@app.route("/")
def index():
    return render_template("index.html")

@app.route("/about")
def about():
    return render_template("about.html")

@app.route("/home",methods=['GET','POST'])
def home():
    if 'email' not in session:
        return redirect(url_for('login'))
    form = AddressForm()
    places = []
    my_coordinates = {37.1234,-122.0877}
    if request.method == 'POST':
        if form.validate() == False:
            return render_template("home.html",form=form)
        else:
            #get the address
            address = form.address.data
            #query for places around it
            p = Place()
            my_coordinates = p.address_to_latlng(address)
            places = p.query(address)
            #return those results
            return render_template('home.html',form=form,my_coordinates=my_coordinates,places=places)
    elif request.method == 'GET':
        return render_template('home.html',form=form,my_coordinates=my_coordinates,places=places)

@app.route("/logout")
def logout():
    session.pop('email',None)
    return redirect(url_for('index'))

@app.route("/login",methods=['GET','POST'])
def login():
    if 'email' in session:
        return redirect(url_for('home'))
    form = LoginForm()
    if request.method == 'POST':
        if form.validate() == False:
            return render_template('login.html',form=form)
        else:
            email = form.email.data
            password = form.password.data

            user = User.query.filter_by(email=email).first()

            if user is not None and user.check_password(password):
                session['email'] = form.email.data
                return redirect(url_for('home'))
            else:
                return redirect(url_for('login'))
    elif request.method == 'GET':
        return render_template('login.html',form=form)

@app.route("/signup",methods=['GET','POST'])
def signup():
    if 'email' in session:
        return redirect(url_for('home'))
    form = SignupForm()
    if request.method == 'POST':
        if form.validate() == False:
            return render_template('signup.html',form=form)
        else:
            newuser = User(form.first_name.data,form.last_name.data,
                            form.email.data,form.password.data)
            db.session.add(newuser)
            db.session.flush()
            db.session.commit()

            session['email'] = newuser.email
            return redirect(url_for('home'))
    elif request.method == 'GET':
        return render_template('signup.html',form=form)

if __name__ == "__main__":
    app.run(debug=True)