Comment count API endpoint

server/src/main.rs

@@ -17,9 +17,10 @@ use jwt::Authentication;
 use routes::{get_comments, get_posts, login, new_comment, new_post, post_by_id, register};
 use state::CaptchaState;
 use state::ServerState;
+#[allow(unused_imports)]
 use util::hex_string;
 
-use crate::routes::{delete_post, engage_post, get_engagements};
+use crate::routes::{delete_post, engage_post, get_comment_count, get_engagements};
 
 #[actix_web::main]
 async fn main() -> std::io::Result<()> {
@@ -69,6 +70,7 @@ async fn main() -> std::io::Result<()> {
                     .service(delete_post)
                     .service(new_comment)
                     .service(get_comments)
+                    .service(get_comment_count)
                     .service(engage_post)
                     .service(get_engagements)
                     .service(post_by_id)

server/src/routes/comment.rs

@@ -4,7 +4,7 @@ use crate::types::{CommentQueryParams, NewComment};
 use crate::ServerState;
 
 use actix_web::get;
-use actix_web::web::{Data, Query};
+use actix_web::web::{Data, Path, Query};
 use actix_web::{post, web::Json, HttpResponse, Responder, Result};
 use log::info;
 
@@ -78,3 +78,22 @@ pub async fn new_comment(
         }
     }
 }
+
+#[get("/posts/{id}/comments/count")]
+pub async fn get_comment_count(
+    path: Path<i64>,
+    state: Data<ServerState>,
+) -> Result<impl Responder> {
+    let post_id = path.into_inner();
+
+    let count = sqlx::query!(
+        "SELECT COUNT(*) FROM comments WHERE parent_post_id = $1",
+        post_id
+    )
+    .fetch_one(&state.pool)
+    .await
+    .unwrap()
+    .count;
+
+    return Ok(HttpResponse::Ok().json(count));
+}