encoding.py 1.65 KB
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from server import *

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def schedule_remux(lectureid):
	lecture = query('SELECT * FROM lectures WHERE id = ?', lectureid)[0]
	course = query('SELECT * FROM courses WHERE id = ?', lecture['course_id'])[0]
	chapters = query('SELECT text, time FROM chapters WHERE lecture_id = ?', lectureid)
	videos = query('SELECT videos.*, sources.path AS srcpath, sources.hash AS srchash FROM videos JOIN sources ON videos.source = sources.id WHERE videos.lecture_id = ?', lectureid)
	metadata = {'title': lecture['title'], 'album': course['title'],
		'description': lecture['comment'],
		'date': lecture['time'].strftime('%m/%d/%Y'),
		'artist': lecture['speaker'] if lecture['speaker'] else course['organizer']}
	for video in videos:
		if not video['source']:
			continue
		data = {'video_id': video['id'], 'path': video['path'],
			'srcpath': video['srcpath'], 'srchash': video['srchash'],
			'chapters': chapters, 'metadata': metadata}
		schedule_job('remux', data)

@edit_handler('chapters')
def chapter_changed(table, column, value, id):
	print('chapter_changed')
	chapters = query('SELECT * FROM chapters WHERE id = ?', id)
	if not chapters:
		return
	chapter = chapters[0]
	if column in ['visible', 'deleted'] or (chapter['visible'] and not chapter['deleted']):
		schedule_remux(chapter['lecture_id'])

@edit_handler('courses')
def course_changed(table, column, value, id):
	if column not in ['title', 'organizer']:
		return
	lectures = query('SELECT * FROM lectures WHERE course_id = ?', id)
	for lecture in lectures:
		schedule_remux(lecture['id'])

@edit_handler('lectures')
def lecture_changed(table, column, value, id):
	if column in ['title', 'comment', 'time', 'speaker']:
		schedule_remux(id)