Can get information about a single comment

src/controllers/comments_controller.rs

@@ -2,6 +2,7 @@
 //!
 //! @author Pierre Hubert
 
+use crate::api_data::comment_api::CommentAPI;
 use crate::api_data::res_create_comment::ResCreateComment;
 use crate::constants::PATH_COMMENTS_IMAGES;
 use crate::controllers::routes::RequestResult;
@@ -49,3 +50,10 @@ pub fn create(r: &mut HttpRequestHandler) -> RequestResult {
 
     r.set_response(ResCreateComment::new(comment_id))
 }
+
+/// Get information about a single comment
+pub fn get_single(r: &mut HttpRequestHandler) -> RequestResult {
+    let comment = r.post_comment_with_access("commentID")?;
+
+    r.set_response(CommentAPI::new(&comment, &r.user_id_opt())?)
+}

src/controllers/routes.rs

@@ -221,6 +221,8 @@ pub fn get_routes() -> Vec<Route> {
         // Comments controller
         Route::post("/comments/create", Box::new(comments_controller::create)),
 
+        Route::post("/comments/get_single", Box::new(comments_controller::get_single)),
+
 
 
         // Movies controller

src/data/http_request_handler.rs

@@ -12,13 +12,14 @@ use serde::Serialize;
 use crate::api_data::http_error::HttpError;
 use crate::controllers::routes::RequestResult;
 use crate::data::api_client::APIClient;
+use crate::data::comment::Comment;
 use crate::data::config::conf;
 use crate::data::error::{ExecError, ResultBoxError};
 use crate::data::group::GroupAccessLevel;
 use crate::data::group_id::GroupID;
 use crate::data::post::{Post, PostAccessLevel};
 use crate::data::user::UserID;
-use crate::helpers::{account_helper, api_helper, conversations_helper, friends_helper, groups_helper, movies_helper, posts_helper, user_helper, virtual_directory_helper};
+use crate::helpers::{account_helper, api_helper, comments_helper, conversations_helper, friends_helper, groups_helper, movies_helper, posts_helper, user_helper, virtual_directory_helper};
 use crate::helpers::virtual_directory_helper::VirtualDirType;
 use crate::utils::pdf_utils::is_valid_pdf;
 use crate::utils::string_utils::{check_string_before_insert, check_url, remove_html_nodes};
@@ -585,6 +586,22 @@ impl HttpRequestHandler {
         Ok(post)
     }
 
+    /// Get information about a comment whose ID is specified in the request
+    pub fn post_comment_with_access(&mut self, name: &str) -> ResultBoxError<Comment> {
+        let comment_id = self.post_u64(name)?;
+        let comment = self.ok_or_not_found(
+            comments_helper::get_single(comment_id),
+            "Specified comment not found!",
+        )?;
+
+        let post = posts_helper::get_single(comment.post_id)?;
+        if posts_helper::get_access_level(&post, &self.user_id_opt())? == PostAccessLevel::NO_ACCESS {
+            self.forbidden("You are not allowed to access this post informations !".to_string())?;
+        }
+
+        Ok(comment)
+    }
+
     /// Get the ID of a movie included in the request
     pub fn post_movie_id(&mut self, name: &str) -> ResultBoxError<u64> {
         let movie_id = self.post_u64(name)?;

src/helpers/comments_helper.rs

@@ -33,6 +33,13 @@ pub fn get(post_id: u64) -> ResultBoxError<Vec<Comment>> {
         .exec(db_to_comment)
 }
 
+/// Get information about a single comment
+pub fn get_single(comment_id: u64) -> ResultBoxError<Comment> {
+    database::QueryInfo::new(COMMENTS_TABLE)
+        .cond_u64("ID", comment_id)
+        .query_row(db_to_comment)
+}
+
 
 /// Turn a database entry into a comment object
 fn db_to_comment(row: &database::RowResult) -> ResultBoxError<Comment> {