From 2efd32f697549c59337db5177a93749af8e605d8 Mon Sep 17 00:00:00 2001
From: Chocobozzz <me@florianbigard.com>
Date: Wed, 16 May 2018 09:28:18 +0200
Subject: Fix updating video tags to empty field

---
 client/src/app/shared/misc/utils.ts                |  5 ++
 .../+video-edit/shared/video-edit.component.ts     |  2 +-
 client/src/assets/player/peertube-chunk-store.ts   | 59 +++++++++++++---------
 3 files changed, 41 insertions(+), 25 deletions(-)

(limited to 'client/src')

diff --git a/client/src/app/shared/misc/utils.ts b/client/src/app/shared/misc/utils.ts
index b5bf99be2..b9aa223cf 100644
--- a/client/src/app/shared/misc/utils.ts
+++ b/client/src/app/shared/misc/utils.ts
@@ -66,6 +66,11 @@ function objectToFormData (obj: any, form?: FormData, namespace?: string) {
 
     if (obj[key] === undefined) continue
 
+    if (Array.isArray(obj[key]) && obj[key].length === 0) {
+      fd.append(key, null)
+      continue
+    }
+
     if (obj[key] !== null && typeof obj[ key ] === 'object' && !(obj[ key ] instanceof File)) {
       objectToFormData(obj[ key ], fd, key)
     } else {
diff --git a/client/src/app/videos/+video-edit/shared/video-edit.component.ts b/client/src/app/videos/+video-edit/shared/video-edit.component.ts
index af4438bd2..d4567e26c 100644
--- a/client/src/app/videos/+video-edit/shared/video-edit.component.ts
+++ b/client/src/app/videos/+video-edit/shared/video-edit.component.ts
@@ -80,7 +80,7 @@ export class VideoEditComponent implements OnInit {
     this.form.addControl('licence', new FormControl('', VIDEO_LICENCE.VALIDATORS))
     this.form.addControl('language', new FormControl('', VIDEO_LANGUAGE.VALIDATORS))
     this.form.addControl('description', new FormControl('', VIDEO_DESCRIPTION.VALIDATORS))
-    this.form.addControl('tags', new FormControl(''))
+    this.form.addControl('tags', new FormControl([]))
     this.form.addControl('thumbnailfile', new FormControl(''))
     this.form.addControl('previewfile', new FormControl(''))
     this.form.addControl('support', new FormControl('', VIDEO_SUPPORT.VALIDATORS))
diff --git a/client/src/assets/player/peertube-chunk-store.ts b/client/src/assets/player/peertube-chunk-store.ts
index 84fbaf146..e14e31c04 100644
--- a/client/src/assets/player/peertube-chunk-store.ts
+++ b/client/src/assets/player/peertube-chunk-store.ts
@@ -155,17 +155,17 @@ export class PeertubeChunkStore extends EventEmitter {
         this.cleanerInterval = null
       }
 
+      if (this.db) {
+        await this.db.close()
+
+        await this.dropDatabase(this.databaseName)
+      }
+
       if (this.expirationDB) {
         await this.expirationDB.close()
         this.expirationDB = null
       }
 
-      if (this.db) {
-        console.log('Destroying IndexDB database %s.', this.databaseName)
-        await this.db.close()
-        await this.db.delete()
-      }
-
       return cb()
     } catch (err) {
       console.error('Cannot destroy peertube chunk store.', err)
@@ -181,31 +181,42 @@ export class PeertubeChunkStore extends EventEmitter {
     }, PeertubeChunkStore.CLEANER_INTERVAL_MS)
   }
 
-  private checkExpiration () {
-    this.expirationDB.transaction('rw', this.expirationDB.databases, async () => {
-      // Update our database expiration since we are alive
-      await this.expirationDB.databases.put({
-        name: this.databaseName,
-        expiration: new Date().getTime() + PeertubeChunkStore.CLEANER_EXPIRATION_MS
-      })
+  private async checkExpiration () {
+    let databasesToDeleteInfo: { name: string }[] = []
 
-      const now = new Date().getTime()
-      const databasesToDeleteInfo = await this.expirationDB.databases.where('expiration').below(now).toArray()
+    try {
+      await this.expirationDB.transaction('rw', this.expirationDB.databases, async () => {
+        // Update our database expiration since we are alive
+        await this.expirationDB.databases.put({
+          name: this.databaseName,
+          expiration: new Date().getTime() + PeertubeChunkStore.CLEANER_EXPIRATION_MS
+        })
 
-      for (const databaseToDeleteInfo of databasesToDeleteInfo) {
-        await this.dropDatabase(databaseToDeleteInfo.name)
+        const now = new Date().getTime()
+        databasesToDeleteInfo = await this.expirationDB.databases.where('expiration').below(now).toArray()
+      })
+    } catch (err) {
+      console.error('Cannot update expiration of fetch expired databases.', err)
+    }
 
-        await this.expirationDB.databases.where({ name: databaseToDeleteInfo.name }).delete()
-      }
-    }).catch(err => console.error('Cannot check expiration.', err))
+    for (const databaseToDeleteInfo of databasesToDeleteInfo) {
+      await this.dropDatabase(databaseToDeleteInfo.name)
+    }
   }
 
-  private dropDatabase (databaseName: string) {
+  private async dropDatabase (databaseName: string) {
     const dbToDelete = new ChunkDatabase(databaseName)
+    console.log('Destroying IndexDB database %s.', databaseName)
 
-    console.log('Deleting %s.', databaseName)
-    return dbToDelete.delete()
-      .catch(err => console.error('Cannot delete %s.', databaseName))
+    try {
+      await dbToDelete.delete()
+
+      await this.expirationDB.transaction('rw', this.expirationDB.databases, () => {
+        return this.expirationDB.databases.where({ name: databaseName }).delete()
+      })
+    } catch (err) {
+      console.error('Cannot delete %s.', databaseName, err)
+    }
   }
 
   private nextTick (cb, err, val?) {
-- 
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