Can remove a friendship request

src/controllers/friends_controller.rs

@@ -85,4 +85,19 @@ pub fn send_request(r: &mut HttpRequestHandler) -> RequestResult {
     // TODO : create a notification
 
     r.success("The friendship request was successfully sent!")
+}
+
+/// Cancel a friendship request
+pub fn cancel_request(r: &mut HttpRequestHandler) -> RequestResult {
+    let friend_id = r.post_user_id("friendID")?;
+
+    if !friends_helper::sent_request(&r.user_id()?, &friend_id)? {
+        r.forbidden("No friendship request was sent to this user!".to_string())?;
+    }
+
+    friends_helper::remove_request(&r.user_id()?, &friend_id)?;
+
+    // TODO : delete related notifications
+
+    r.success("Friendship request removed!")
 }

src/controllers/routes.rs

@@ -99,6 +99,9 @@ pub fn get_routes() -> Vec<Route> {
 
         Route::post("/friends/sendRequest", Box::new(friends_controller::send_request)),
 
+        Route::post("/friends/removeRequest", Box::new(friends_controller::cancel_request)),
+
+
         // Conversations controller
         Route::post("/conversations/create", Box::new(conversations_controller::create)),
 

src/helpers/database.rs

@@ -611,6 +611,15 @@ impl DeleteQuery {
         self
     }
 
+    pub fn cond_legacy_bool(mut self, key: &str, value: bool) -> DeleteQuery {
+        let value = match value {
+            true => 1,
+            false => 0
+        };
+        self.conditions.insert(key.to_string(), Value::from(value));
+        self
+    }
+
     pub fn cond_user_id(mut self, key: &str, value: &UserID) -> DeleteQuery {
         self.conditions.insert(key.to_string(), Value::from(value.id()));
         self

src/helpers/friends_helper.rs

@@ -70,6 +70,15 @@ pub fn send_request(user_id: &UserID, target_user: &UserID) -> ResultBoxError {
         .insert_drop_result()
 }
 
+/// Remove a friendship request
+pub fn remove_request(user_id: &UserID, target_user: &UserID) -> ResultBoxError {
+    database::DeleteQuery::new(FRIENDS_TABLE)
+        .cond_user_id("ID_personne", target_user)
+        .cond_user_id("ID_amis", user_id)
+        .cond_legacy_bool("actif", false)
+        .exec()
+}
+
 /// Check out whether a user has sent a request to another user
 pub fn sent_request(user_id: &UserID, target_user: &UserID) -> ResultBoxError<bool> {
     database::QueryInfo::new(FRIENDS_TABLE)