Benjamin_Loison/YouTube_captions_search_engine
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Correct link about 20,000 videos limit

Benjamin Loison 2024-03-18 12:01:56 +01:00
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Home.md

@ -55,7 +55,7 @@ Each thread works on a different channel id and proceed as follows:
The architecture of the description is the same as the `High overview` one.
- Uses [YouTube Data API v3 CommentThreads: list](https://developers.google.com/youtube/v3/docs/commentThreads/list) endpoint with [`allThreadsRelatedToChannelId` filter](https://developers.google.com/youtube/v3/docs/commentThreads/list#allThreadsRelatedToChannelId) [to retrieve all comments left by people on the given channel videos](https://gitea.lemnoslife.com/Benjamin_Loison/YouTube_captions_search_engine/src/commit/4e162e34c3a5debad1ca6bcbf02701b2c4faa431/main.cpp#L205)
- Some channels have disabled to some extent comments on their channels so [we can't proceed with this endpoint as it returns an error](https://gitea.lemnoslife.com/Benjamin_Loison/YouTube_captions_search_engine/src/commit/4e162e34c3a5debad1ca6bcbf02701b2c4faa431/main.cpp#L208), so in the case that there are comments on some videos ([which happens](https://www.youtube.com/watch?v=3F8dFt8LsXY)) we use [YouTube Data API v3 PlaylistItems: list](https://developers.google.com/youtube/v3/docs/playlistItems/list) endpoint to retrieve the channel videos and we use YouTube Data API v3 CommentThreads: list endpoint with [`videoId`](https://developers.google.com/youtube/v3/docs/commentThreads/list#videoId) filter to retrieve all comments left by people on the given channel video. In fact the algorithm prints [the number of videos to treat](https://gitea.lemnoslife.com/Benjamin_Loison/YouTube_captions_search_engine/src/commit/4e162e34c3a5debad1ca6bcbf02701b2c4faa431/main.cpp#L262) thanks to [YouTube Data API v3 Channels: list](https://developers.google.com/youtube/v3/docs/channels/list) endpoint with [`part=statistics`](https://developers.google.com/youtube/v3/docs/channels/list#statistics). Note that as I don't know how to [retrieve all video ids for channels having more than 20,000 videos](https://gitea.lemnoslife.com/Benjamin_Loison/YouTube_captions_search_engine/wiki#concerning-20-000-videos-limit-for-youtube-data-api-v3-playlistitems-list-endpoint), [the algorithm stops if it finds such a channel](https://gitea.lemnoslife.com/Benjamin_Loison/YouTube_captions_search_engine/src/commit/4e162e34c3a5debad1ca6bcbf02701b2c4faa431/main.cpp#L305).
- Some channels have disabled to some extent comments on their channels so [we can't proceed with this endpoint as it returns an error](https://gitea.lemnoslife.com/Benjamin_Loison/YouTube_captions_search_engine/src/commit/4e162e34c3a5debad1ca6bcbf02701b2c4faa431/main.cpp#L208), so in the case that there are comments on some videos ([which happens](https://www.youtube.com/watch?v=3F8dFt8LsXY)) we use [YouTube Data API v3 PlaylistItems: list](https://developers.google.com/youtube/v3/docs/playlistItems/list) endpoint to retrieve the channel videos and we use YouTube Data API v3 CommentThreads: list endpoint with [`videoId`](https://developers.google.com/youtube/v3/docs/commentThreads/list#videoId) filter to retrieve all comments left by people on the given channel video. In fact the algorithm prints [the number of videos to treat](https://gitea.lemnoslife.com/Benjamin_Loison/YouTube_captions_search_engine/src/commit/4e162e34c3a5debad1ca6bcbf02701b2c4faa431/main.cpp#L262) thanks to [YouTube Data API v3 Channels: list](https://developers.google.com/youtube/v3/docs/channels/list) endpoint with [`part=statistics`](https://developers.google.com/youtube/v3/docs/channels/list#statistics). Note that as I don't know how to [retrieve all video ids for channels having more than 20,000 videos](https://gitea.lemnoslife.com/Benjamin_Loison/YouTube_captions_search_engine/wiki/Trying-to-understand-YouTube-results#concerning-20000-videos-limit-for-youtube-data-api-v3-playlistitems-list-endpoint), [the algorithm stops if it finds such a channel](https://gitea.lemnoslife.com/Benjamin_Loison/YouTube_captions_search_engine/src/commit/4e162e34c3a5debad1ca6bcbf02701b2c4faa431/main.cpp#L305).
- Uses other channel tabs:
- [`CHANNELS`](https://gitea.lemnoslife.com/Benjamin_Loison/YouTube_captions_search_engine/src/commit/4e162e34c3a5debad1ca6bcbf02701b2c4faa431/main.cpp#L311) by using [YouTube operational API Channels: list endpoint with `part=channels`](https://stackoverflow.com/a/74213174)
- [`COMMUNITY`](https://gitea.lemnoslife.com/Benjamin_Loison/YouTube_captions_search_engine/src/commit/4e162e34c3a5debad1ca6bcbf02701b2c4faa431/main.cpp#L342) by using [YouTube operational API Channels: list endpoint with `part=community`](https://gitea.lemnoslife.com/Benjamin_Loison/YouTube_captions_search_engine/src/commit/4e162e34c3a5debad1ca6bcbf02701b2c4faa431/main.cpp#L346) then using [YouTube operational API Community: list](https://github.com/Benjamin-Loison/YouTube-operational-API/blob/7ff59b2d477c8d2caf6813a114f4201791627cc1/community.php) endpoint to retrieve comments on community posts and proceed with [YouTube operational API CommentThreads: list](https://github.com/Benjamin-Loison/YouTube-operational-API/blob/7ff59b2d477c8d2caf6813a114f4201791627cc1/commentThreads.php) endpoint to proceed to comments pagination