4 files changed, 35 insertions, 9 deletions

diff --git a/server/models/activitypub/actor-follow.ts b/server/models/activitypub/actor-follow.ts
index b8ce6de1d..adec5e92b 100644
--- a/server/models/activitypub/actor-follow.ts
+++ b/server/models/activitypub/actor-follow.ts
@@ -111,7 +111,7 @@ export class ActorFollowModel extends Model<ActorFollowModel> {
     if (numberOfActorFollowsRemoved) logger.info('Removed bad %d actor follows.', numberOfActorFollowsRemoved)
   }
 
-  static updateActorFollowsScore (goodInboxes: string[], badInboxes: string[], t: Sequelize.Transaction) {
+  static updateActorFollowsScore (goodInboxes: string[], badInboxes: string[], t: Sequelize.Transaction | undefined) {
     if (goodInboxes.length === 0 && badInboxes.length === 0) return
 
     logger.info('Updating %d good actor follows and %d bad actor follows scores.', goodInboxes.length, badInboxes.length)
@@ -344,7 +344,7 @@ export class ActorFollowModel extends Model<ActorFollowModel> {
     }
   }
 
-  private static incrementScores (inboxUrls: string[], value: number, t: Sequelize.Transaction) {
+  private static incrementScores (inboxUrls: string[], value: number, t: Sequelize.Transaction | undefined) {
     const inboxUrlsString = inboxUrls.map(url => `'${url}'`).join(',')
 
     const query = `UPDATE "actorFollow" SET "score" = LEAST("score" + ${value}, ${ACTOR_FOLLOW_SCORE.MAX}) ` +
@@ -354,10 +354,10 @@ export class ActorFollowModel extends Model<ActorFollowModel> {
         'WHERE "actor"."inboxUrl" IN (' + inboxUrlsString + ') OR "actor"."sharedInboxUrl" IN (' + inboxUrlsString + ')' +
       ')'
 
-    const options = {
+    const options = t ? {
       type: Sequelize.QueryTypes.BULKUPDATE,
       transaction: t
-    }
+    } : undefined
 
     return ActorFollowModel.sequelize.query(query, options)
   }
diff --git a/server/models/migrations/index.ts b/server/models/migrations/index.ts
new file mode 100644
index 000000000..c2b31b05e
--- /dev/null
+++ b/server/models/migrations/index.ts
@@ -0,0 +1,23 @@
+import * as Sequelize from 'sequelize'
+
+declare namespace Migration {
+  interface Boolean extends Sequelize.DefineAttributeColumnOptions {
+    defaultValue: boolean | null
+  }
+
+  interface String extends Sequelize.DefineAttributeColumnOptions {
+    defaultValue: string | null
+  }
+
+  interface Integer extends Sequelize.DefineAttributeColumnOptions {
+    defaultValue: number | null
+  }
+
+  interface BigInteger extends Sequelize.DefineAttributeColumnOptions {
+    defaultValue: Sequelize.DataTypeBigInt | number | null
+  }
+}
+
+export {
+  Migration
+}
diff --git a/server/models/oauth/oauth-token.ts b/server/models/oauth/oauth-token.ts
index 759aa2779..026c30135 100644
--- a/server/models/oauth/oauth-token.ts
+++ b/server/models/oauth/oauth-token.ts
@@ -154,9 +154,12 @@ export class OAuthTokenModel extends Model<OAuthTokenModel> {
     return OAuthTokenModel.scope(ScopeNames.WITH_ACCOUNT)
       .findOne(query)
       .then(token => {
-        token['user'] = token.User
-
-        return token
+        if (token) {
+          token['user'] = token.User
+          return token
+        } else {
+          return new OAuthTokenModel()
+        }
       })
   }
 
diff --git a/server/models/video/video-comment.ts b/server/models/video/video-comment.ts
index e79aff209..03122dc03 100644
--- a/server/models/video/video-comment.ts
+++ b/server/models/video/video-comment.ts
@@ -156,7 +156,7 @@ export class VideoCommentModel extends Model<VideoCommentModel> {
     as: 'InReplyToVideoComment',
     onDelete: 'CASCADE'
   })
-  InReplyToVideoComment: VideoCommentModel
+  InReplyToVideoComment: VideoCommentModel | null
 
   @ForeignKey(() => VideoModel)
   @Column
@@ -417,7 +417,7 @@ export class VideoCommentModel extends Model<VideoCommentModel> {
   toActivityPubObject (threadParentComments: VideoCommentModel[]): VideoCommentObject {
     let inReplyTo: string
     // New thread, so in AS we reply to the video
-    if (this.inReplyToCommentId === null) {
+    if ((this.inReplyToCommentId !== null) || (this.InReplyToVideoComment !== null)) {
       inReplyTo = this.Video.url
     } else {
       inReplyTo = this.InReplyToVideoComment.url