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import logging
from datetime import datetime
import pytz
from babel.dates import format_datetime, format_timedelta
from flask import current_app, flash, redirect, render_template, request, url_for
from flask_babel import get_locale, gettext
from flask_login import current_user, login_required
from newspipe.bootstrap import application
from newspipe.controllers import ArticleController, CategoryController, FeedController
from newspipe.lib import misc_utils
from newspipe.lib.utils import redirect_url
from newspipe.web.lib.view_utils import etag_match
from newspipe.web.views.common import jsonify
localize = pytz.utc.localize
logger = logging.getLogger(__name__)
@current_app.route("/")
@login_required
def home():
"""Displays the home page of the connected user."""
filters = _get_filters(request.args)
category_contr = CategoryController(current_user.id)
art_contr = ArticleController(current_user.id)
categories = {cat.id: cat for cat in category_contr.read().all()}
unread = art_contr.count_by_feed(readed=False)
nb_unread = art_contr.read_light(readed=False).count()
unread_by_cat = art_contr.count_by_category(readed=False)
feeds = {
feed.id: feed
for feed in sorted(
current_user.feeds, key=lambda x: x.title.lower(), reverse=False
)
}
filter_ = request.args.get("filter_", "unread")
feed_id = int(request.args.get("feed", 0))
liked = int(request.args.get("liked", 0)) == 1
limit = request.args.get("limit", 1000)
query = request.args.get("query", "")
search_title = request.args.get("search_title", "off")
search_content = request.args.get("search_content", "off")
if filter_ in ["read", "unread"]:
filters["readed"] = filter_ == "read"
if feed_id:
filters["feed_id"] = feed_id
if liked:
filters["like"] = int(liked) == 1
articles = art_contr.read_ordered(**filters)
if limit != "all":
limit = int(limit)
articles = articles.limit(limit)
in_error = {
feed.id: feed.error_count
for feed in FeedController(current_user.id).read(error_count__gt=0).all()
}
def gen_url(
filter_=filter_,
limit=limit,
feed=feed_id,
liked=liked,
query=query,
search_title=search_title,
search_content=search_content,
):
return "?filter_=%s&limit=%s&feed=%d&liked=%s&query=%s&search_title=%s&search_content=%s" % (
filter_,
limit,
feed,
1 if liked else 0,
query,
search_title,
search_content,
)
return render_template(
"home.html",
nb_unread=nb_unread,
gen_url=gen_url,
feed_id=feed_id,
filter_=filter_,
limit=limit,
feeds=feeds,
categories=categories,
unread_by_cat=unread_by_cat,
liked=liked,
unread=dict(unread),
articles=articles.all(),
in_error=in_error,
)
def _get_filters(in_dict):
filters = {}
query = in_dict.get("query")
if query:
search_title = in_dict.get("search_title") == "on"
search_content = in_dict.get("search_content") == "on"
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("/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.
"""
if application.config["CRAWLING_METHOD"] == "default" and 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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