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path: root/data_analyser/utils.py
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from components.subscriptions.main import Subscription
from components.subscriptions.typing import SubsDict
from components.videos import VideoTuple
from components.ytdlp import obtain_vid_info

from pymongo.collection import Collection

def analyse_video(vid_tuple: VideoTuple) -> VideoTuple:
    info = obtain_vid_info(vid_tuple.link)
    return vid_tuple._replace(analysed=True, duration_string=info["duration_string"])

def analyse_subscription(sub: Subscription) -> bool:
    updated = False
    for i, vid in enumerate(sub.videos):
        if not vid.analysed:
            sub.videos[i] = analyse_video(vid)
            updated = True
    return updated

def analyse_collection(subs_collection: Collection[SubsDict]) -> int:
    num_updated = 0
    for sub_dict in subs_collection.find():
        sub = Subscription(**sub_dict)
        sub._collection = subs_collection
        if analyse_subscription(sub):
            sub.update_videos()
            num_updated += 1
    return num_updated