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import pytz
import logging
from datetime import datetime
from flask import current_app, render_template, \
request, flash, url_for, redirect
from flask_login import login_required, current_user
from flask_babel import gettext, get_locale
from babel.dates import format_datetime, format_timedelta
import conf
from web.lib.utils import redirect_url
from web.lib import misc_utils
from web.lib.view_utils import etag_match
from web.views.common import jsonify
from web.controllers import FeedController, \
ArticleController, CategoryController
localize = pytz.utc.localize
logger = logging.getLogger(__name__)
@current_app.route('/')
@login_required
@etag_match
def home():
return render_template('home.html', cdn=conf.CDN_ADDRESS)
@current_app.route('/menu')
@login_required
@etag_match
@jsonify
def get_menu():
now, locale = datetime.now(), get_locale()
categories_order = [0]
categories = {0: {'name': 'No category', 'id': 0}}
for cat in CategoryController(current_user.id).read().order_by('name'):
categories_order.append(cat.id)
categories[cat.id] = cat
unread = ArticleController(current_user.id).count_by_feed(readed=False)
for cat_id in categories:
categories[cat_id]['unread'] = 0
categories[cat_id]['feeds'] = []
feeds = {feed.id: feed for feed in FeedController(current_user.id).read()}
for feed_id, feed in feeds.items():
feed['created_rel'] = format_timedelta(feed.created_date - now,
add_direction=True, locale=locale)
feed['last_rel'] = format_timedelta(feed.last_retrieved - now,
add_direction=True, locale=locale)
feed['created_date'] = format_datetime(localize(feed.created_date),
locale=locale)
feed['last_retrieved'] = format_datetime(localize(feed.last_retrieved),
locale=locale)
feed['category_id'] = feed.category_id or 0
feed['unread'] = unread.get(feed.id, 0)
if not feed.filters:
feed['filters'] = []
if feed.icon_url:
feed['icon_url'] = url_for('icon.icon', url=feed.icon_url)
categories[feed['category_id']]['unread'] += feed['unread']
categories[feed['category_id']]['feeds'].append(feed_id)
return {'feeds': feeds, 'categories': categories,
'categories_order': categories_order,
'crawling_method': conf.CRAWLING_METHOD,
'max_error': conf.DEFAULT_MAX_ERROR,
'error_threshold': conf.ERROR_THRESHOLD,
'is_admin': current_user.is_admin,
'all_unread_count': sum(unread.values())}
def _get_filters(in_dict):
filters = {}
query = in_dict.get('query')
if query:
search_title = in_dict.get('search_title') == 'true'
search_content = in_dict.get('search_content') == 'true'
if search_title:
filters['title__ilike'] = "%%%s%%" % query
if search_content:
filters['content__ilike'] = "%%%s%%" % query
if len(filters) == 0:
filters['title__ilike'] = "%%%s%%" % query
if len(filters) > 1:
filters = {"__or__": filters}
if in_dict.get('filter') == 'unread':
filters['readed'] = False
elif in_dict.get('filter') == 'liked':
filters['like'] = True
filter_type = in_dict.get('filter_type')
if filter_type in {'feed_id', 'category_id'} and in_dict.get('filter_id'):
filters[filter_type] = int(in_dict['filter_id']) or None
return filters
@jsonify
def _articles_to_json(articles, fd_hash=None):
now, locale = datetime.now(), get_locale()
fd_hash = {feed.id: {'title': feed.title,
'icon_url': url_for('icon.icon', url=feed.icon_url)
if feed.icon_url else None}
for feed in FeedController(current_user.id).read()}
return {'articles': [{'title': art.title, 'liked': art.like,
'read': art.readed, 'article_id': art.id, 'selected': False,
'feed_id': art.feed_id, 'category_id': art.category_id or 0,
'feed_title': fd_hash[art.feed_id]['title'] if fd_hash else None,
'icon_url': fd_hash[art.feed_id]['icon_url'] if fd_hash else None,
'date': format_datetime(localize(art.date), locale=locale),
'rel_date': format_timedelta(art.date - now,
threshold=1.1, add_direction=True,
locale=locale)}
for art in articles.limit(1000)]}
@current_app.route('/middle_panel')
@login_required
@etag_match
def get_middle_panel():
filters = _get_filters(request.args)
art_contr = ArticleController(current_user.id)
articles = art_contr.read_light(**filters)
return _articles_to_json(articles)
@current_app.route('/getart/<int:article_id>')
@current_app.route('/getart/<int:article_id>/<parse>')
@login_required
@etag_match
@jsonify
def get_article(article_id, parse=False):
locale = get_locale()
contr = ArticleController(current_user.id)
article = contr.get(id=article_id)
if not article.readed:
article['readed'] = True
contr.update({'id': article_id}, {'readed': True})
article['category_id'] = article.category_id or 0
feed = FeedController(current_user.id).get(id=article.feed_id)
article['icon_url'] = url_for('icon.icon', url=feed.icon_url) \
if feed.icon_url else None
article['date'] = format_datetime(localize(article.date), locale=locale)
return article
@current_app.route('/mark_all_as_read', methods=['PUT'])
@login_required
def mark_all_as_read():
filters = _get_filters(request.json)
acontr = ArticleController(current_user.id)
processed_articles = _articles_to_json(acontr.read_light(**filters))
acontr.update(filters, {'readed': True})
return processed_articles
@current_app.route('/fetch', methods=['GET'])
@current_app.route('/fetch/<int:feed_id>', methods=['GET'])
@login_required
def fetch(feed_id=None):
"""
Triggers the download of news.
News are downloaded in a separated process, mandatory for Heroku.
"""
if conf.CRAWLING_METHOD == "classic" \
and (not conf.ON_HEROKU or current_user.is_admin):
misc_utils.fetch(current_user.id, feed_id)
flash(gettext("Downloading articles..."), "info")
else:
flash(gettext("The manual retrieving of news is only available " +
"for administrator, on the Heroku platform."), "info")
return redirect(redirect_url())
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