tubearchivist/backend/common/src/watched.py

135 lines
4.4 KiB
Python

"""
functionality:
- handle watched state for videos, channels and playlists
"""
from datetime import datetime
from common.src.es_connect import ElasticWrap
from common.src.ta_redis import RedisArchivist
from common.src.urlparser import Parser
class WatchState:
"""handle watched checkbox for videos and channels"""
def __init__(self, youtube_id: str, is_watched: bool, user_id: int):
self.youtube_id = youtube_id
self.is_watched = is_watched
self.user_id = user_id
self.stamp = int(datetime.now().timestamp())
self.pipeline = f"_ingest/pipeline/watch_{youtube_id}"
def change(self):
"""change watched state of item(s)"""
print(f"{self.youtube_id}: change watched state to {self.is_watched}")
url_type = self._dedect_type()
if url_type == "video":
self.change_vid_state()
return
if url_type == "channel":
self.reset_channel_progress()
if url_type == "playlist":
self.reset_playlist_progress()
self._add_pipeline()
path = f"ta_video/_update_by_query?pipeline=watch_{self.youtube_id}"
data = self._build_update_data(url_type)
_, _ = ElasticWrap(path).post(data)
self._delete_pipeline()
def _dedect_type(self):
"""find youtube id type"""
url_process = Parser(self.youtube_id).parse()
url_type = url_process[0]["type"]
return url_type
def change_vid_state(self):
"""change watched state of video"""
path = f"ta_video/_update/{self.youtube_id}"
data = {"doc": {"player": {"watched": self.is_watched}}}
if self.is_watched:
data["doc"]["player"]["watched_date"] = self.stamp
response, status_code = ElasticWrap(path).post(data=data)
key = f"{self.user_id}:progress:{self.youtube_id}"
RedisArchivist().del_message(key)
if status_code != 200:
print(response)
raise ValueError("failed to mark video as watched")
def reset_channel_progress(self):
"""reset channel progress positions"""
from channel.src.index import YoutubeChannel
videos = YoutubeChannel(self.youtube_id).get_channel_videos()
video_ids = [i["youtube_id"] for i in videos]
self._reset_list(video_ids)
def reset_playlist_progress(self):
"""reset playlist progress positions"""
from playlist.src.index import YoutubePlaylist
videos = YoutubePlaylist(self.youtube_id).get_playlist_videos()
video_ids = [i["youtube_id"] for i in videos]
self._reset_list(video_ids)
def _reset_list(self, video_ids: list[str]):
"""reset list of video ids"""
redis_con = RedisArchivist()
all_ids = redis_con.list_keys(f"{self.user_id}:progress")
for progress_id in all_ids:
video_id = progress_id.split(":")[-1]
if video_id in video_ids:
redis_con.del_message(progress_id)
def _build_update_data(self, url_type):
"""build update by query data based on url_type"""
term_key_map = {
"channel": "channel.channel_id",
"playlist": "playlist.keyword",
}
term_key = term_key_map.get(url_type)
return {
"query": {
"bool": {
"must": [
{"term": {term_key: {"value": self.youtube_id}}},
{
"term": {
"player.watched": {
"value": not self.is_watched
}
}
},
],
}
}
}
def _add_pipeline(self):
"""add ingest pipeline"""
data = {
"description": f"{self.youtube_id}: watched {self.is_watched}",
"processors": [
{
"set": {
"field": "player.watched",
"value": self.is_watched,
}
},
{
"set": {
"field": "player.watched_date",
"value": self.stamp,
}
},
],
}
_, _ = ElasticWrap(self.pipeline).put(data)
def _delete_pipeline(self):
"""delete pipeline"""
ElasticWrap(self.pipeline).delete()