4 files changed, 13 insertions, 7 deletions

diff --git a/server/lib/activitypub/process/process-dislike.ts b/server/lib/activitypub/process/process-dislike.ts
index ed8afd3d2..c46180617 100644
--- a/server/lib/activitypub/process/process-dislike.ts
+++ b/server/lib/activitypub/process/process-dislike.ts
@@ -43,6 +43,10 @@ async function processDislike (activity: ActivityCreate | ActivityDislike, byAct
 
     await video.increment('dislikes', { transaction: t })
 
+    if (existingRate && existingRate.type === 'like') {
+      await video.decrement('likes', { transaction: t })
+    }
+
     if (video.isOwned()) {
       // Don't resend the activity to the sender
       const exceptions = [ byActor ]
diff --git a/server/lib/activitypub/process/process-like.ts b/server/lib/activitypub/process/process-like.ts
index 8b97aae55..5b2ab4b66 100644
--- a/server/lib/activitypub/process/process-like.ts
+++ b/server/lib/activitypub/process/process-like.ts
@@ -43,6 +43,10 @@ async function processLikeVideo (byActor: ActorModel, activity: ActivityLike) {
 
     await video.increment('likes', { transaction: t })
 
+    if (existingRate && existingRate.type === 'dislike') {
+      await video.decrement('dislikes', { transaction: t })
+    }
+
     if (video.isOwned()) {
       // Don't resend the activity to the sender
       const exceptions = [ byActor ]
diff --git a/server/lib/activitypub/process/process-undo.ts b/server/lib/activitypub/process/process-undo.ts
index 2d48848fe..692c51904 100644
--- a/server/lib/activitypub/process/process-undo.ts
+++ b/server/lib/activitypub/process/process-undo.ts
@@ -59,9 +59,8 @@ async function processUndoLike (byActor: ActorModel, activity: ActivityUndo) {
   return sequelizeTypescript.transaction(async t => {
     if (!byActor.Account) throw new Error('Unknown account ' + byActor.url)
 
-    let rate = await AccountVideoRateModel.loadByUrl(likeActivity.id, t)
-    if (!rate) rate = await AccountVideoRateModel.load(byActor.Account.id, video.id, t)
-    if (!rate) throw new Error(`Unknown rate by account ${byActor.Account.id} for video ${video.id}.`)
+    const rate = await AccountVideoRateModel.loadByAccountAndVideoOrUrl(byActor.Account.id, video.id, likeActivity.id, t)
+    if (!rate || rate.type !== 'like') throw new Error(`Unknown like by account ${byActor.Account.id} for video ${video.id}.`)
 
     await rate.destroy({ transaction: t })
     await video.decrement('likes', { transaction: t })
@@ -85,9 +84,8 @@ async function processUndoDislike (byActor: ActorModel, activity: ActivityUndo)
   return sequelizeTypescript.transaction(async t => {
     if (!byActor.Account) throw new Error('Unknown account ' + byActor.url)
 
-    let rate = await AccountVideoRateModel.loadByUrl(dislike.id, t)
-    if (!rate) rate = await AccountVideoRateModel.load(byActor.Account.id, video.id, t)
-    if (!rate) throw new Error(`Unknown rate by account ${byActor.Account.id} for video ${video.id}.`)
+    const rate = await AccountVideoRateModel.loadByAccountAndVideoOrUrl(byActor.Account.id, video.id, dislike.id, t)
+    if (!rate || rate.type !== 'dislike') throw new Error(`Unknown dislike by account ${byActor.Account.id} for video ${video.id}.`)
 
     await rate.destroy({ transaction: t })
     await video.decrement('dislikes', { transaction: t })
diff --git a/server/lib/video-transcoding.ts b/server/lib/video-transcoding.ts
index 8d786e0ef..ba6b29163 100644
--- a/server/lib/video-transcoding.ts
+++ b/server/lib/video-transcoding.ts
@@ -121,7 +121,7 @@ async function generateHlsPlaylist (video: VideoModel, resolution: VideoResoluti
   const baseHlsDirectory = join(HLS_STREAMING_PLAYLIST_DIRECTORY, video.uuid)
   await ensureDir(join(HLS_STREAMING_PLAYLIST_DIRECTORY, video.uuid))
 
-  const videoInputPath = join(CONFIG.STORAGE.VIDEOS_DIR, video.getVideoFilename(video.getOriginalFile()))
+  const videoInputPath = join(CONFIG.STORAGE.VIDEOS_DIR, video.getVideoFilename(video.getFile(resolution)))
   const outputPath = join(baseHlsDirectory, VideoStreamingPlaylistModel.getHlsPlaylistFilename(resolution))
 
   const transcodeOptions = {