flask/flask_website/views/snippets.py
2010-05-05 17:26:28 +02:00

146 lines
5.5 KiB
Python

# -*- coding: utf-8 -*-
from urlparse import urljoin
from flask import Module, render_template, request, flash, abort, redirect, \
g, url_for
from werkzeug.contrib.atom import AtomFeed
from flask_website.utils import requires_login, format_creole
from flask_website.database import Category, Snippet, Comment, db_session
snippets = Module(__name__, url_prefix='/snippets')
@snippets.route('/')
def index():
return render_template('snippets/index.html',
categories=Category.query.order_by(Category.name).all(),
recent=Snippet.query.order_by(Snippet.pub_date.desc()).limit(5).all())
@snippets.route('/new/', methods=['GET', 'POST'])
@requires_login
def new():
category_id = None
preview = None
if 'category' in request.args:
rv = Category.query.filter_by(slug=request.args['category']).first()
if rv is not None:
category_id = rv.id
if request.method == 'POST':
category_id = request.form.get('category', type=int)
if 'preview' in request.form:
preview = format_creole(request.form['body'])
else:
title = request.form['title']
body = request.form['body']
if not body:
flash(u'Error: you have to enter a snippet')
else:
category = Category.query.get(category_id)
if category is not None:
snippet = Snippet(g.user, title, body, category)
db_session.add(snippet)
db_session.commit()
flash(u'Your snippet was added')
return redirect(snippet.url)
return render_template('snippets/new.html',
categories=Category.query.order_by(Category.name).all(),
active_category=category_id, preview=preview)
@snippets.route('/<int:id>/', methods=['GET', 'POST'])
def show(id):
snippet = Snippet.query.get(id)
if snippet is None:
abort(404)
if request.method == 'POST':
title = request.form['title']
text = request.form['text']
if not text:
flash(u'Error: the text is required')
else:
db_session.add(Comment(snippet, g.user, title, text))
db_session.commit()
flash(u'Your comment was added')
return redirect(snippet.url)
return render_template('snippets/show.html', snippet=snippet)
@snippets.route('/edit/<int:id>/', methods=['GET', 'POST'])
@requires_login
def edit(id):
snippet = Snippet.query.get(id)
if snippet is None:
abort(404)
if snippet.author != g.user:
abort(401)
preview = None
form = dict(title=snippet.title, body=snippet.body,
category=snippet.category.id)
if request.method == 'POST':
form['title'] = request.form['title']
form['body'] = request.form['body']
form['category'] = request.form.get('category', type=int)
if 'preview' in request.form:
preview = format_creole(request.form['body'])
elif 'delete' in request.form:
for comment in snippet.comments:
db_session.delete(comment)
db_session.delete(snippet)
db_session.commit()
flash(u'Your snippet was deleted')
return redirect(url_for('snippets.index'))
else:
category_id = request.form.get('category', type=int)
if not form['body']:
flash(u'Error: you have to enter a snippet')
else:
category = Category.query.get(category_id)
if category is not None:
snippet.title = form['title']
snippet.body = form['body']
snippet.category = category
db_session.commit()
flash(u'Your snippet was modified')
return redirect(snippet.url)
return render_template('snippets/edit.html',
snippet=snippet, preview=preview, form=form,
categories=Category.query.order_by(Category.name).all())
@snippets.route('/category/<slug>/')
def category(slug):
category = Category.query.filter_by(slug=slug).first()
if category is None:
abort(404)
snippets = category.snippets.order_by(Snippet.title).all()
return render_template('snippets/category.html', category=category,
snippets=snippets)
@snippets.route('/recent.atom')
def recent_feed():
feed = AtomFeed(u'Recent Flask Snippets',
subtitle=u'Recent additions to the Flask snippet archive',
feed_url=request.url, url=request.url_root)
snippets = Snippet.query.order_by(Snippet.pub_date.desc()).limit(15)
for snippet in snippets:
feed.add(snippet.title, unicode(snippet.rendered_body),
content_type='html', author=snippet.author.name,
url=urljoin(request.url_root, snippet.url),
updated=snippet.pub_date)
return feed.get_response()
@snippets.route('/snippets/<int:id>/comments.atom')
def comments_feed(id):
snippet = Snippet.query.get(id)
if snippet is None:
abort(404)
feed = AtomFeed(u'Comments for Snippet “%s' % snippet.title,
feed_url=request.url, url=request.url_root)
for comment in snippet.comments:
feed.add(comment.title or u'Untitled Comment',
unicode(snippet.rendered_text),
content_type='html', author=comment.author.name,
url=request.url, updated=comment.pub_date)
return feed.get_response()