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Adriaan de Groot authoredAdriaan de Groot authored
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feeds.py NaN GiB
from server import *
def gen_atomid(s):
return 'urn:md5:'+hashlib.md5(s.encode('utf-8')).hexdigest().upper()
def fixdate(d):
if not isinstance(d, datetime):
return datetime(MINYEAR, 1, 1)
return d
@app.route('/feed')
@app.route('/<handle>/feed')
@handle_errors(None, 'Diese Veranstaltung existiert nicht!', 400, IndexError)
def feed(handle=None):
id = None
course = {'id': None, 'title': 'Neueste Videos', 'time_created': None, 'time_updated': None}
course['atomid'] = gen_atomid('FROM videos SELECT *')
if handle:
course = query('SELECT * FROM courses WHERE handle = ? AND visible', handle)[0]
course['atomid'] = gen_atomid('Video AG, courses['+str(course['id'])+']: '+course['handle'])
id = course['id']
entries = query('''
SELECT lectures.*, "video" AS sep, videos.*, formats.description AS format_description, formats.prio, "course" AS sep, courses.*
FROM lectures
JOIN courses ON (courses.id = lectures.course_id)
JOIN videos ON (lectures.id = videos.lecture_id)
JOIN formats ON (formats.id = videos.video_format)
WHERE ((? IS NULL AND courses.listed) OR course_id = ?) AND courses.visible AND lectures.visible AND videos.visible
ORDER BY videos.time_created DESC, prio ASC
LIMIT 100''',
course['id'], course['id'])
updated = max(course['time_updated'], course['time_created'], key=fixdate)
for entry in entries:
entry['updated'] = max(entry['video']['time_created'], entry['video']['time_updated'], entry['time_created'], entry['time_updated'], key=fixdate)
if len(entry['video']['hash']) != 32:
entry['atomid'] = gen_atomid('Video AG, videos['+str(entry['video']['id'])+']')
else:
entry['atomid'] = 'urn:md5:'+(entry['video']['hash'].upper())
updated = max(updated, entry['updated'], key=fixdate)
course['updated'] = updated
return Response(render_template('feed.atom', course=course, entries=entries), 200, {'Content-Type': 'application/atom+xml'})
@app.route('/courses/feed')
def courses_feed():
courses = query('SELECT * FROM courses WHERE visible AND listed ORDER BY time_created DESC LIMIT 100')
atomid = gen_atomid('Video AG, courses')
updated = None
for course in courses:
course['updated'] = max(course['time_created'], course['time_updated'], key=fixdate)
course['atomid'] = gen_atomid('Video AG, courses['+str(course['id'])+']: '+course['handle'])
updated = max(updated, course['updated'], key=fixdate)
return Response(render_template('courses_feed.atom', updated=updated, atomid=atomid, courses=courses), 200, {'Content-Type': 'application/atom+xml'})