From 23b44ce0dbaa6262a406b0fa674bfe891bb10101 Mon Sep 17 00:00:00 2001
From: silverpill <silverpill@firemail.cc>
Date: Sun, 12 Feb 2023 23:24:28 +0000
Subject: [PATCH] Add /api/v1/{status_id}/thread API endpoint

---
 CHANGELOG.md                       |  1 +
 docs/openapi.yaml                  | 16 ++++++++++++++++
 src/mastodon_api/statuses/views.rs | 27 +++++++++++++++++++++++++++
 3 files changed, 44 insertions(+)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index f1cdfcc..3c2f0d0 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -12,6 +12,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 - Added OAuth authorization page.
 - Support `authorization_code` OAuth grant type.
 - Documented `http_cors_allowlist` configuration parameter.
+- Added `/api/v1/{status_id}/thread` API endpoint (replaces `/api/v1/{status_id}/context`).
 
 ### Changed
 
diff --git a/docs/openapi.yaml b/docs/openapi.yaml
index d06cdce..c5c8a04 100644
--- a/docs/openapi.yaml
+++ b/docs/openapi.yaml
@@ -943,6 +943,22 @@ paths:
           description: Post does not belong to user
         404:
           description: Post not found
+  /api/v1/statuses/{status_id}/thread:
+    get:
+      summary: Get thread that contains given post.
+      parameters:
+        - $ref: '#/components/parameters/status_id'
+      responses:
+        200:
+          description: Successful operation.
+          content:
+            application/json:
+              schema:
+                type: array
+                items:
+                  $ref: '#/components/schemas/Status'
+        404:
+          description: Post not found
   /api/v1/statuses/{status_id}/favourite:
     post:
       summary: Add post to your favourites list
diff --git a/src/mastodon_api/statuses/views.rs b/src/mastodon_api/statuses/views.rs
index d8c8c3d..96001b3 100644
--- a/src/mastodon_api/statuses/views.rs
+++ b/src/mastodon_api/statuses/views.rs
@@ -305,6 +305,32 @@ async fn get_context(
     Ok(HttpResponse::Ok().json(statuses))
 }
 
+#[get("/{status_id}/thread")]
+async fn get_thread_view(
+    auth: Option<BearerAuth>,
+    config: web::Data<Config>,
+    db_pool: web::Data<DbPool>,
+    status_id: web::Path<Uuid>,
+) -> Result<HttpResponse, HttpError> {
+    let db_client = &**get_database_client(&db_pool).await?;
+    let maybe_current_user = match auth {
+        Some(auth) => Some(get_current_user(db_client, auth.token()).await?),
+        None => None,
+    };
+    let posts = get_thread(
+        db_client,
+        &status_id,
+        maybe_current_user.as_ref().map(|user| &user.id),
+    ).await?;
+    let statuses = build_status_list(
+        db_client,
+        &config.instance_url(),
+        maybe_current_user.as_ref(),
+        posts,
+    ).await?;
+    Ok(HttpResponse::Ok().json(statuses))
+}
+
 #[post("/{status_id}/favourite")]
 async fn favourite(
     auth: BearerAuth,
@@ -597,6 +623,7 @@ pub fn status_api_scope() -> Scope {
         .service(get_status)
         .service(delete_status)
         .service(get_context)
+        .service(get_thread_view)
         .service(favourite)
         .service(unfavourite)
         .service(reblog)