Fix issues with truncated description and utf characters

1 files changed, 10 insertions, 1 deletions

diff --git a/server/models/video/video.ts b/server/models/video/video.ts
index 4e175c410..f43b73e49 100644
--- a/server/models/video/video.ts
+++ b/server/models/video/video.ts
@@ -1166,10 +1166,19 @@ export class VideoModel extends Model<VideoModel> {
   getTruncatedDescription () {
     if (!this.description) return null
 
+    const maxLength = CONSTRAINTS_FIELDS.VIDEOS.TRUNCATED_DESCRIPTION.max
+
     const options = {
-      length: CONSTRAINTS_FIELDS.VIDEOS.TRUNCATED_DESCRIPTION.max
+      length: maxLength
     }
+    const truncatedDescription = truncate(this.description, options)
+
+    // The truncated string is okay, we can return it
+    if (truncatedDescription.length <= maxLength) return truncatedDescription
 
+    // Lodash takes into account all UTF characters, whereas String.prototype.length does not: some characters have a length of 2
+    // We always use the .length so we need to truncate more if needed
+    options.length -= maxLength - truncatedDescription.length
     return truncate(this.description, options)
   }