X-Git-Url: https://git.immae.eu/?a=blobdiff_plain;f=server%2Fmodels%2Fvideo%2Fvideo-query-builder.ts;h=3f31ac86273e479c8cb9121880b34d1c6026ac37;hb=3da68f0a781ebd893521e2e6fa200280c92ae815;hp=8e0965244a63e59f8aa4e9b6745a3d7d6be16b0a;hpb=28eeb811c40325a28208231324f66f4032e5cf67;p=github%2FChocobozzz%2FPeerTube.git diff --git a/server/models/video/video-query-builder.ts b/server/models/video/video-query-builder.ts index 8e0965244..3f31ac862 100644 --- a/server/models/video/video-query-builder.ts +++ b/server/models/video/video-query-builder.ts @@ -242,64 +242,49 @@ function buildListQuery (model: typeof Model, options: BuildVideosQueryOptions) } // We don't exclude results in this so if we do a count we don't need to add this complex clause - if (options.trendingDays && options.isCount !== true) { - const viewsGteDate = new Date(new Date().getTime() - (24 * 3600 * 1000) * options.trendingDays) - - joins.push('LEFT JOIN "videoView" ON "video"."id" = "videoView"."videoId" AND "videoView"."startDate" >= :viewsGteDate') - replacements.viewsGteDate = viewsGteDate - - attributes.push('COALESCE(SUM("videoView"."views"), 0) AS "score"') - - group = 'GROUP BY "video"."id"' - } else if (options.hot && options.isCount !== true) { - /** - * "Hotness" is a measure based on absolute view/comment/like/dislike numbers, - * with fixed weights only applied to their log values. - * - * This algorithm gives little chance for an old video to have a good score, - * for which recent spikes in interactions could be a sign of "hotness" and - * justify a better score. However there are multiple ways to achieve that - * goal, which is left for later. Yes, this is a TODO :) - * - * note: weights and base score are in number of half-days. - * see https://github.com/reddit-archive/reddit/blob/master/r2/r2/lib/db/_sorts.pyx#L47-L58 - */ - const weights = { - like: 3, - dislike: 3, - view: 1 / 12, - comment: 2 // a comment takes more time than a like to do, but can be done multiple times - } - - cte.push( // TODO: exclude blocklisted comments - '"totalCommentsWithoutVideoAuthor" AS (' + - 'SELECT "video"."id", ' + - 'COUNT("replies"."id") - (' + - 'SELECT COUNT("authorReplies"."id") ' + - 'FROM "videoComment" AS "authorReplies" ' + - 'LEFT JOIN "account" ON "account"."id" = "authorReplies"."accountId" ' + - 'LEFT JOIN "videoChannel" ON "videoChannel"."accountId" = "account"."id" ' + - 'WHERE "video"."channelId" = "videoChannel"."id" ' + - ') as "value" ' + - 'FROM "videoComment" AS "replies" ' + - 'LEFT JOIN "video" ON "video"."id" = "replies"."videoId" ' + - 'WHERE "replies"."videoId" = "video"."id" ' + - 'GROUP BY "video"."id"' + - ')' - ) + if (options.isCount !== true) { + if (options.trendingDays) { + const viewsGteDate = new Date(new Date().getTime() - (24 * 3600 * 1000) * options.trendingDays) + + joins.push('LEFT JOIN "videoView" ON "video"."id" = "videoView"."videoId" AND "videoView"."startDate" >= :viewsGteDate') + replacements.viewsGteDate = viewsGteDate + + attributes.push('COALESCE(SUM("videoView"."views"), 0) AS "score"') + + group = 'GROUP BY "video"."id"' + } else if (options.hot) { + /** + * "Hotness" is a measure based on absolute view/comment/like/dislike numbers, + * with fixed weights only applied to their log values. + * + * This algorithm gives little chance for an old video to have a good score, + * for which recent spikes in interactions could be a sign of "hotness" and + * justify a better score. However there are multiple ways to achieve that + * goal, which is left for later. Yes, this is a TODO :) + * + * note: weights and base score are in number of half-days. + * see https://github.com/reddit-archive/reddit/blob/master/r2/r2/lib/db/_sorts.pyx#L47-L58 + */ + const weights = { + like: 3, + dislike: 3, + view: 1 / 12, + comment: 2 // a comment takes more time than a like to do, but can be done multiple times + } - joins.push('LEFT JOIN "totalCommentsWithoutVideoAuthor" ON "video"."id" = "totalCommentsWithoutVideoAuthor"."id"') + joins.push('LEFT JOIN "videoComment" ON "video"."id" = "videoComment"."videoId"') - attributes.push( - `LOG(GREATEST(1, "video"."likes" - 1)) * ${weights.like} ` + // likes (+) - `- LOG(GREATEST(1, "video"."dislikes" - 1)) * ${weights.dislike} ` + // dislikes (-) - `+ LOG("video"."views" + 1) * ${weights.view} ` + // views (+) - `+ LOG(GREATEST(1, "totalCommentsWithoutVideoAuthor"."value")) * ${weights.comment} ` + // comments (+) - '+ (SELECT EXTRACT(epoch FROM "video"."publishedAt") / 47000) ' + // base score (in number of half-days) - 'AS "score"' - ) + attributes.push( + `LOG(GREATEST(1, "video"."likes" - 1)) * ${weights.like} ` + // likes (+) + `- LOG(GREATEST(1, "video"."dislikes" - 1)) * ${weights.dislike} ` + // dislikes (-) + `+ LOG("video"."views" + 1) * ${weights.view} ` + // views (+) + `+ LOG(GREATEST(1, COUNT(DISTINCT "videoComment"."id"))) * ${weights.comment} ` + // comments (+) + '+ (SELECT EXTRACT(epoch FROM "video"."publishedAt") / 47000) ' + // base score (in number of half-days) + 'AS "score"' + ) - group = 'GROUP BY "video"."id", "totalCommentsWithoutVideoAuthor"."value"' + group = 'GROUP BY "video"."id"' + } } if (options.historyOfUser) {