sorter.py 11.1 KB
Newer Older
Andreas Valder's avatar
Andreas Valder committed
1
from server import *
2
import traceback
Julian Rother's avatar
Julian Rother committed
3
import os.path
Andreas Valder's avatar
Andreas Valder committed
4

5
@app.route('/internal/sort/log')
6
7
8
9
10
11
12
13
14
15
16
17
18
@register_navbar('Sortierlog', icon='sort-by-attributes-alt')
@mod_required
def sort_log():
	return render_template('sortlog.html',sortlog=query('''
			SELECT 
				sortlog.*,
				lectures.id as lecture_id,
				lectures.title as lecture_title,
				lectures.course_id as course_id, 
				courses.title as course_title
			FROM sortlog 
			JOIN lectures ON lectures.id = sortlog.lecture_id
			JOIN courses ON courses.id = lectures.course_id 
19
			ORDER BY sortlog.`when` DESC
Andreas Valder's avatar
Andreas Valder committed
20
			LIMIT 50
21
		'''),sorterrorlog=query('SELECT * FROM sorterrorlog ORDER BY sorterrorlog.`when` DESC'))
22

23
24
25
26
27
def to_ascii(inputstring):
	asciistring = inputstring
	for charset in [('ä', 'ae'), ('ö', 'oe'), ('ü', 'ue'), ('ß', 'ss')]:
		asciistring = asciistring.replace(charset[0],charset[1])
	return asciistring
28

29
30
31
32
33
34
35
36
37
@job_handler('probe', 'remux', 'transcode')
def update_video_metadata(jobid, jobtype, data, state, status):
	if 'video_id' not in data:
		return
	if jobtype not in ['remux', 'transcode']:
		video = query('SELECT * FROM videos WHERE id = ?', data['video_id'])[0]
		if video['hash'] and video['hash'] != status['hash']:
			print('Hash mismatch for video', data['video_id'])
			return
38
39
	modify('UPDATE videos_data SET hash = ?, file_size = ?, duration = ? WHERE id = ?',
			status['hash'], status['filesize'], data['duration'], data['video_id'])
40

41
def insert_video(lectureid, dbfilepath, fileformatid, hash="", filesize=-1, duration=-1):
Julian Rother's avatar
Julian Rother committed
42
	visible = query('SELECT courses.autovisible FROM courses JOIN lectures ON lectures.course_id = courses.id WHERE lectures.id = ?', lectureid)[0]['autovisible']
43
	video_id = modify('''INSERT INTO videos_data 
44
		(lecture_id, visible, path, video_format, title, comment, internal, file_modified, time_created, time_updated, created_by, hash, file_size, duration)
45
		VALUES 
46
47
		(?, ?, ?, ?, "", "", "", ?, ?, ?, ?, ?, ?, ?)''',
		lectureid, visible, dbfilepath, fileformatid, datetime.now(), datetime.now(), datetime.now(), -1, hash, filesize, duration)
48
	query('INSERT INTO sortlog (lecture_id,video_id,path,`when`) VALUES (?,?,?,?)', lectureid, video_id, dbfilepath, datetime.now())
Andreas Valder's avatar
Andreas Valder committed
49
	schedule_thumbnail(lectureid)
Julian Rother's avatar
Julian Rother committed
50
	schedule_job('probe', {'path': dbfilepath, 'lecture_id': lectureid, 'video_id': video_id, 'import-chapters': True})
51
52
53
54
	video = query('SELECT videos.*, "format" AS sep, formats.* FROM videos JOIN formats ON formats.id = videos.video_format WHERE videos.id = ?', video_id)[0]
	lecture = query('SELECT * FROM lectures WHERE id = ?', lectureid)[0]
	course = query('SELECT * FROM courses WHERE id = ?', lecture['course_id'])[0]
	notify_mods('new_video', course['id'], course=course, lecture=lecture, video=video)
55

56
57
@app.route('/internal/jobs/add/thumbnail', methods=['GET', 'POST'])
@mod_required
58
@csrf_protect
59
60
61
62
63
64
@handle_errors('jobs_overview', 'Zu dieser Veranstaltung existieren keine Videos!', 404, IndexError)
def schedule_thumbnail(lectureid=None):
	ret = None
	if not lectureid:
		lectureid = request.values['lectureid']
		ret = redirect(request.values.get('ref', url_for('jobs_overview')))
Andreas Valder's avatar
Andreas Valder committed
65
66
67
68
69
	videos = query('''
			SELECT videos.path
			FROM videos
			JOIN formats ON (videos.video_format = formats.id)
			WHERE videos.lecture_id = ?
70
			ORDER BY formats.prio DESC''', lectureid)
Julian Rother's avatar
Julian Rother committed
71
	schedule_job('thumbnail', {'lectureid': str(lectureid), 'path': videos[0]['path']})
72
	return ret
73

Julian Rother's avatar
Julian Rother committed
74
75
76
77
78
79
@job_handler('transcode')
def insert_transcoded_video(jobid, jobtype, data, state, status):
	if 'lecture_id' not in data or 'source_id' not in data or 'format_id' not in data:
		return
	if 'video_id' in data:
		return
Julian Rother's avatar
Julian Rother committed
80
	visible = query('SELECT courses.autovisible FROM courses JOIN lectures ON lectures.course_id = courses.id WHERE lectures.id = ?', data['lecture_id'])[0]['autovisible']
Julian Rother's avatar
Julian Rother committed
81
	video_id = modify('''INSERT INTO videos_data 
82
		(lecture_id, visible, path, video_format, title, comment, internal, file_modified, time_created, time_updated, created_by, hash, file_size, source, duration)
Julian Rother's avatar
Julian Rother committed
83
		VALUES 
84
		(?, ?, ?, ?, "", "", "", ?, ?, ?, ?, ?, ?, ?, ?)''',
Julian Rother's avatar
Julian Rother committed
85
		data['lecture_id'], visible, data['output']['path'], data['format_id'],
Julian Rother's avatar
Julian Rother committed
86
		datetime.now(), datetime.now(), datetime.now(), -1, status['hash'],
87
		status['filesize'], status['duration'], data['source_id'])
Julian Rother's avatar
Julian Rother committed
88
	schedule_thumbnail(data['lecture_id'])
89
90
91
92
	video = query('SELECT videos.*, "format" AS sep, formats.* FROM videos JOIN formats ON formats.id = videos.video_format WHERE videos.id = ?', video_id)[0]
	lecture = query('SELECT * FROM lectures WHERE id = ?', data['lecture_id'])[0]
	course = query('SELECT * FROM courses WHERE id = ?', lecture['course_id'])[0]
	notify_mods('new_video', course['id'], course=course, lecture=lecture, video=video)
Julian Rother's avatar
Julian Rother committed
93

94
95
96
97
98
99
def sort_file(filename, course=None, lectures=None):
	# filenames: <handle>-<sorter>-<format>.mp4
	# "sorter" musst be found with fuzzy matching. "sorter" musst be one or more of the following types: (inside the loop)
	# '_' and ' ' are handled like '-'
	splitfilename = filename.replace('_','-').replace(' ','-').split('-')
	if not course:
100
101
102
		handle = splitfilename[0]
		if splitfilename[0].endswith('ws') or splitfilename[0].endswith('ss'):
			handle = '-'.join(splitfilename[:2])
103
104
		courses = query('SELECT * FROM courses WHERE handle = ?', handle)
		if not courses:
105
			return [], 0
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
		course = courses[0]
	if not lectures:
		lectures = query('SELECT * from lectures where course_id = ?', course['id'])
	# we save all extraced data in a dict
	data = {'keywords': []}
	# parse the file name and save all data in 'data'
	for s in splitfilename:
		s = s.replace('.mp4','')
		#-<YYMMDD> (date)
		#-<HHMM> (time)
		#-<keyword>
		#	Looking for keywords in: title,speaker,comment, comma seperated list in internal
		try:
			if len(s) == 6:
				data['date'] = datetime.strptime(s,'%y%m%d').date()
			elif  len(s) == 4:
				data['time'] = datetime.strptime(s,'%H%M').time()
			else:	
				data['keywords'].append(s)
		except ValueError:
			# if its not a date or time, handle it as keyword
			data['keywords'].append(s)
	# try to match the file on a single lecture
	matches = []
	# first try date and time (if one of them is set)
	if ('date' in data) or ('time' in data):
		for lecture in lectures:
			if not ('time' in lecture) or not lecture['time']:
				continue
			if ('date' in data) and (lecture['time'].date() != data['date']):
					continue
			if ('time' in data) and (lecture['time'].time() != data['time']):
					continue
			matches.append(lecture)
	# if we can't match exactly  based on date and time, we have to match keywords
	if ((len(matches) != 1) and (len(data['keywords']) > 0)):
		#only test lectures with the correct date/time, if we have any. Else test for matches in all lectures of this course
		if len(matches) == 0:
			matches.extend(lectures)
		found = False
		for field in ['title','speaker','comment','internal']:
			for lecture in matches:
				for keyword in data['keywords']:
					# first test for exact match, else make it asci and try substring test
					if (keyword == lecture[field]) or \
						 (str(keyword).lower() in str(to_ascii(lecture[field]).lower())):
						found = True
						matches = [lecture]
					if found:
						break
				if found:
					break
			if found:
				break
	# now we should have found exactly one match
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
	# default format is "unknown", with id 0
	fmt = 0
	formats = query('SELECT * FROM formats ORDER BY prio DESC')
	for videoformat in formats:
		# we match the last part of the file name without the extension
		formatstring = splitfilename[-1].split('.',1)[0].lower()
		if formatstring in videoformat['keywords'].replace(',',' ').split(' '):
			fmt = videoformat['id']
			break
	return matches, fmt

def log_sort_error(course_id, path, matches):
	matches_id = []
	for match in matches:
		matches_id.append(str(match['id']))
	query('INSERT INTO sorterrorlog_data (course_id, path, matches, `when`, time_updated, time_created) VALUES (?, ?, ?, ?, ?, ?)',
			course_id, path, ','.join(matches_id), datetime.now(), datetime.now(), datetime.now())

def sort_api_token_required(func):
	@wraps(func)
	def decorator(*args, **kwargs):
		if 'apikey' in request.values:
			token = request.values['apikey']
		elif request.get_json() and ('apikey' in request.get_json()):
			token = request.get_json()['apikey']
		else:
			token = None
		if not token == config.get('SORTER_API_KEY', [None]):
			return 'Permission denied', 403
		else:
			return func(*args, **kwargs)
	return decorator

@app.route('/internal/sort/encoded/<filename>')
@sort_api_token_required
def sort_encoded(filename):
	matches, fmt = sort_file(filename)
	if len(matches) != 1:
		log_sort_error(-1, 'kodiert/'+filename, matches)
		return "Could not match filename", 400
	lecture = matches[0]
	course = query('SELECT * FROM courses WHERE id = ?', lecture['course_id'])[0]
	if course['autopublish']:
		schedule_job('publish_video', {'source': filename, 'path': 'pub/'+course['handle']+'/'+filename, 'lecture_id': lecture['id'], 'format_id': fmt})
	return 'OK', 200

Julian Rother's avatar
Julian Rother committed
207
208
209
210
211
212
213
214
215
216
217
218
219
@app.route('/internal/sort/autoencode')
@sort_api_token_required
def sort_autoencode():
	filename = request.values['path']
	path = 'autoencode/'+filename
	matches, fmt = sort_file(filename)
	if len(matches) != 1:
		log_sort_error(-1, 'raw/'+path, matches)
		return "Could not match filename", 400
	lecture = matches[0]
	schedule_job('probe-raw', {'path': path, 'lecture_id': lecture['id'], 'import-chapters': True})
	return 'OK', 200

220
221
222
223
@job_handler('publish_video')
def handle_published_video(jobid, jobtype, data, state, status):
	if 'lecture_id' not in data or 'format_id' not in data:
		return
224
	insert_video(data['lecture_id'], data['path'], data['format_id'], hash=status['hash'], filesize=status['filesize'], duration=status['duration'])
225

226
@app.route('/internal/sort/now')
227
@mod_required
Andreas Valder's avatar
Andreas Valder committed
228
@sched_func(600)
229
230
def sort_now():
	courses = query('SELECT * FROM courses')
231
	for course in courses:
Andreas Valder's avatar
Andreas Valder committed
232
		modify('BEGIN')
Andreas Valder's avatar
Andreas Valder committed
233
		for mountpoint in config['VIDEOMOUNT']:
234
235
236
237
238
			existingvideos = query('SELECT videos.path FROM videos JOIN lectures ON (videos.lecture_id = lectures.id) WHERE lectures.course_id = ?',course['id'])
			knownerrors = query('SELECT sorterrorlog.path FROM sorterrorlog WHERE sorterrorlog.course_id = ?',course['id'])
			ignorefiles = existingvideos + knownerrors
			lectures = query('SELECT * from lectures where course_id = ?',course['id'])
			coursepath = mountpoint['mountpoint']+course['handle']
239
240
241
242
			try:
				files = os.listdir(coursepath)
			except FileNotFoundError:
				files = []
243
			for filename in files:
244
				try:
245
246
247
248
					# if the video is in the table "videos" already (with the correct course), skip it
					ignore = False
					for file_to_ignore in ignorefiles:
						# path is something like
249
						# vpnonline/08ws-swt/08ws-swt-081118.mp4
250
251
						if os.path.basename(filename) == os.path.basename(file_to_ignore['path']):
							ignore = True
252
							break
253
					if ignore:
254
						continue
255
					if not os.path.splitext(filename)[1] == '.mp4':
256
						continue
257
					matches, fmt = sort_file(filename, course=course, lectures=lectures)
258
					dbfilepath = mountpoint['prefix']+course['handle']+'/'+filename
259
					if len(matches) == 1:
260
						insert_video(matches[0]['id'], dbfilepath, fmt)
Andreas Valder's avatar
Andreas Valder committed
261
					else:
262
						log_sort_error(course['id'], dbfilepath, matches)
263
264
				except Exception:
					traceback.print_exc()
Andreas Valder's avatar
Andreas Valder committed
265
		modify('COMMIT')
266
267
268
	if 'ref' in request.values:
		return redirect(request.values['ref'])
	else:
269
		return 'OK', 200
Andreas Valder's avatar
Andreas Valder committed
270