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flask_journal.py
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flask_journal.py
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from flask import (Flask, render_template, redirect, url_for, g, flash, abort)
from flask.ext.bcrypt import check_password_hash
from flask.ext.login import (LoginManager, current_user, login_user,
logout_user, login_required)
import forms
import models
DEBUG = True
PORT = 8000
HOST = '0.0.0.0'
app = Flask(__name__)
app.secret_key = 'sldfjlkj(*SD^&(*&(ohjlk3298yukjsdhfk)))'
login_manager = LoginManager()
login_manager.init_app(app)
login_manager.login_view = 'login'
@login_manager.user_loader
def load_user(userid):
"""This finds a user or returns None."""
try:
return models.User.get(models.User.id == userid)
except models.DoesNotExist:
return None
@app.before_request
def before_request():
"""Connect to the database before each request."""
g.db = models.DATABASE
g.db.connect()
g.user = current_user
@app.after_request
def after_request(response):
"""Closes the database connection after each request."""
g.db.close()
return response
@app.route('/')
def index():
"""This is the homepage for the Flask Learning Journal"""
entries = models.Entry.select().limit(100)
return render_template('index.html', entries=entries)
@app.route('/entries')
@login_required
def user_list():
"""This shows only the user's entries."""
entries = models.Entry.select().where(
g.user.id == models.Entry.user).limit(100)
return render_template('user_index.html', entries=entries)
@app.route('/register', methods=('GET', 'POST'))
def register():
"""This is the new user registation page."""
form = forms.RegisterForm()
if form.validate_on_submit():
flash("You are registered!", "success")
models.User.create_user(
email=form.email.data,
password=form.password.data
)
return redirect(url_for('index'))
return render_template('register.html', form=form)
@app.route('/login', methods=('GET', 'POST'))
def login():
"""Allows the user to log in."""
form = forms.LoginForm()
if form.validate_on_submit():
try:
user = models.User.get(models.User.email == form.email.data)
except models.DoesNotExist:
flash("Your email does not exist :{")
else:
if check_password_hash(user.password, form.password.data):
login_user(user)
flash("Welcome to your Journal!", "success")
return redirect(url_for('index'))
return render_template('login.html', form=form)
@app.route('/logout')
@login_required
def logout():
"""Allows the user to log out."""
logout_user()
flash("Until next time, fairwell.")
return redirect(url_for('index'))
@app.route('/entry', methods=('GET', 'POST'))
def new():
"""This lets the user create a new Entry."""
form = forms.EntryForm()
if form.validate_on_submit():
models.Entry.create(user=g.user.id,
title=form.title.data,
entry_date=form.entry_date.data,
time_spent=form.time_spent.data,
learned=form.learned.data,
resources=form.resources.data
)
flash("Your Journal entry has been created.", "success")
# temporary placeholder change index for /details
return redirect(url_for('user_list'))
return render_template('new.html', form=form)
@app.route('/details')
@app.route('/details/<entry_id>')
def detail(entry_id):
"""This lets a user closely examine an Entry."""
try:
entry = models.Entry.get(models.Entry.id == entry_id)
except IndexError:
abort(404)
except ValueError:
abort(404)
else:
return render_template('detail.html', entry=entry, user=g.user)
@app.route('/entry/edit')
@app.route('/entry/edit/<entry_id>', methods=('GET', 'POST'))
@login_required
def edit(entry_id):
"""This is where the user can edit an Entry."""
try:
entry = models.Entry.get(models.Entry.id == entry_id)
except IndexError:
abort(404)
except ValueError:
abort(404)
else:
# This gets the forms prefilled with the entry's data
form = forms.EntryForm(obj=entry)
if form.validate_on_submit():
models.Entry.create(user=g.user.id,
title=form.title.data,
entry_date=form.entry_date.data,
# submit_date is used here to keep the same
# order for sorting.
submit_date=entry.submit_date,
time_spent=form.time_spent.data,
learned=form.learned.data,
resources=form.resources.data
)
entry.delete_instance()
flash("Your Journal entry has been edited.", "success")
return redirect(url_for('index'))
else:
return render_template('edit.html', entry=entry, form=form)
@app.route('/entries/delete/<entry_id>')
@app.route('/entries/delete/<entry_id>/<confirm>')
@login_required
def delete(entry_id, confirm=False):
"""This allows the user to delete an entry."""
try:
entry = models.Entry.get(models.Entry.id == entry_id)
except IndexError:
abort(404)
except ValueError:
abort(404)
else:
if confirm:
entry.delete_instance()
flash("You have deleted your journal entry.", "success")
return redirect(url_for('user_list'))
else:
return render_template('delete.html', entry_id = entry_id)
@app.errorhandler(404)
def not_found(error):
"""This shows a better looking 404 page."""
return render_template('404.html'), 404
if __name__ == '__main__':
models.initialize()
try:
models.User.create_user(
email="example@example.com",
password="password",
admin=True
)
except ValueError:
pass
app.run(debug=DEBUG, host=HOST, port=PORT)