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- from flask import render_template, request, flash, redirect, url_for
- from app import app, db
- from app.forms import LoginForm, RegistrationForm, EditProfileForm, EmptyForm
- from flask_login import current_user, login_user, logout_user, login_required
- from app.models import User
- from werkzeug.urls import url_parse
- from datetime import datetime
- @app.before_request
- def before_request():
- if current_user.is_authenticated:
- current_user.last_seen = datetime.utcnow()
- db.session.commit()
- #main page
- @app.route('/')
- @app.route('/index')
- @login_required
- def index():
- posts = [
- {
- 'author': {'username': 'John'},
- 'body': 'Beautiful day in Portland!'
- },
- {
- 'author': {'username': 'Susan'},
- 'body': 'The Avengers movie was so cool!'
- }
- ]
- return render_template('index.html', title='Home', posts=posts)
- #login page
- @app.route('/login', methods=['GET', 'POST'])
- def login():
- if current_user.is_authenticated:
- return redirect(url_for('index'))
- form = LoginForm()
- if form.validate_on_submit():
- user = User.query.filter_by(username=form.username.data).first()
- if user is None or not user.check_password(form.password.data):
- flash('Invalid username or password')
- return redirect(url_for('login'))
- login_user(user, remember=form.remember_me.data)
- next_page = request.args.get('next')
- if not next_page or url_parse(next_page).netloc != '':
- next_page = url_for('index')
- return redirect(next_page)
- return render_template('login.html', title='Sign In', form=form)
- #registration page
- @app.route('/register', methods=['GET', 'POST'])
- def register():
- if current_user.is_authenticated:
- return redirect(url_for('index'))
- form = RegistrationForm()
- if form.validate_on_submit():
- user = User(username=form.username.data, email=form.email.data)
- user.set_password(form.password.data)
- db.session.add(user)
- db.session.commit()
- flash('Congratulations, you are now a registered user!')
- return redirect(url_for('login'))
- return render_template('register.html', title='Register', form=form)
- #logout action
- @app.route('/logout')
- def logout():
- logout_user()
- return redirect(url_for('index'))
- #profile pages
- @app.route('/user/<username>')
- @login_required
- def user(username):
- user = User.query.filter_by(username=username).first_or_404()
- posts = [
- {'author': user, 'body': 'Test Post #1'},
- {'author': user, 'body': 'Test Post #2'}
- ]
- form = EmptyForm()
- return render_template('user.html', user=user, posts=posts, form=form)
- #edit profile page
- @app.route('/edit_profile', methods=['GET', 'POST'])
- @login_required
- def edit_profile():
- form = EditProfileForm(current_user.username)
- if form.validate_on_submit():
- current_user.username = form.username.data
- current_user.about_me = form.about_me.data
- db.session.commit()
- flash('Your changes have been saved.')
- return redirect(url_for('edit_profile'))
- elif request.method == 'GET':
- form.username.data = current_user.username
- form.about_me.data = current_user.about_me
- return render_template('edit_profile.html', title='Edit Profile', form=form)
- #follow and unfollow
- @app.route('/follow/<username>', methods=['POST'])
- @login_required
- def follow(username):
- form = EmptyForm()
- if form.validate_on_submit():
- user = User.query.filter_by(username=username).first()
- if user is None:
- flash('User {} not found.'.format(username))
- return redirect(url_for('index'))
- if user == current_user:
- flash('You cannot follow yourself!')
- return redirect(url_for('user', username=username))
- current_user.follow(user)
- db.session.commit()
- flash('You are following {}!'.format(username))
- return redirect(url_for('user', username=username))
- else:
- return redirect(url_for('index'))
- @app.route('/unfollow/<username>', methods=['POST'])
- @login_required
- def unfollow(username):
- form = EmptyForm()
- if form.validate_on_submit():
- user = User.query.filter_by(username=username).first()
- if user is None:
- flash('User {} not found.'.format(username))
- return redirect(url_for('index'))
- if user == current_user:
- flash('You cannot unfollow yourself!')
- return redirect(url_for('user', username=username))
- current_user.unfollow(user)
- db.session.commit()
- flash('You are not following {}!'.format(username))
- return redirect(url_for('user', username=username))
- else:
- return redirect(url_for('index'))
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