Allow clients to add mentions to a post

docs/openapi.yaml

@@ -295,6 +295,12 @@ paths:
                   enum:
                     - public
                     - direct
+                mentions:
+                  description: Array of profile IDs to be mentioned
+                  type: array
+                  items:
+                    type: string
+                    format: uuid
               required:
                 - status
       responses:
@@ -505,6 +511,21 @@ components:
           description: Ethereum wallet address.
           type: string
           example: '0xd8da6bf...'
+    Mention:
+      type: object
+      properties:
+        id:
+          description: The profile ID of the mentioned user.
+          type: string
+          format: uuid
+        username:
+          description: The username of the mentioned user.
+          type: string
+        acct:
+          type: string
+        url:
+          description: The location of the mentioned user's profile.
+          type: string
     Notification:
       type: object
       properties:
@@ -561,6 +582,11 @@ components:
           enum:
             - public
             - direct
+        mentions:
+          description: Mentions of users within the post.
+          type: array
+          items:
+            $ref: '#/components/schemas/Mention'
         tags:
           description: Hashtags used within the status content.
           type: array

src/mastodon_api/statuses/types.rs

@@ -132,6 +132,9 @@ pub struct StatusData {
 
     pub in_reply_to_id: Option<Uuid>,
     pub visibility: Option<String>,
+
+    // Not supported by Mastodon
+    pub mentions: Option<Vec<Uuid>>,
 }
 
 impl TryFrom<StatusData> for PostCreateData {
@@ -151,7 +154,7 @@ impl TryFrom<StatusData> for PostCreateData {
             repost_of_id: None,
             visibility: visibility,
             attachments: value.media_ids.unwrap_or(vec![]),
-            mentions: vec![],
+            mentions: value.mentions.unwrap_or(vec![]),
             tags: vec![],
             object_id: None,
             created_at: None,

src/mastodon_api/statuses/views.rs

@@ -75,8 +75,10 @@ async fn create_status(
         &instance.url(),
         &post_data.content,
     );
-    post_data.mentions = mention_map.values()
+    post_data.mentions.extend(mention_map.values()
-        .map(|profile| profile.id).collect();
+        .map(|profile| profile.id));
+    post_data.mentions.sort();
+    post_data.mentions.dedup();
     // Tags
     post_data.tags = find_tags(&post_data.content);
     post_data.content = replace_tags(