Can respond to a friendship request

src/controllers/friends_controller.rs

@@ -101,3 +101,19 @@ pub fn cancel_request(r: &mut HttpRequestHandler) -> RequestResult {
 
     r.success("Friendship request removed!")
 }
+
+/// Respond to a friendship request
+pub fn respond_request(r: &mut HttpRequestHandler) -> RequestResult {
+    let friend_id = r.post_user_id("friendID")?;
+    let accept = r.post_bool("accept")?;
+
+    if !friends_helper::sent_request(&friend_id, r.user_id_ref()?)? {
+        r.forbidden("No friendship request was sent by this user!".to_string())?;
+    }
+
+    friends_helper::respond_request(r.user_id_ref()?, &friend_id, accept)?;
+
+    // TODO : create a notification
+
+    r.set_response("Response to the friendship request successfully saved!")
+}

src/controllers/routes.rs

@@ -101,6 +101,8 @@ pub fn get_routes() -> Vec<Route> {
 
         Route::post("/friends/removeRequest", Box::new(friends_controller::cancel_request)),
 
+        Route::post("/friends/respondRequest", Box::new(friends_controller::respond_request)),
+
 
         // Conversations controller
         Route::post("/conversations/create", Box::new(conversations_controller::create)),

src/data/http_request_handler.rs

@@ -384,6 +384,14 @@ impl HttpRequestHandler {
         self.user_id_opt().unwrap_or(UserID::invalid())
     }
 
+    /// Get user ID as a reference
+    pub fn user_id_ref(&self) -> ResultBoxError<&UserID> {
+        match self.curr_user_id.as_ref() {
+            Some(s) => Ok(s),
+            None => Err(ExecError::boxed_new("Could not get required user ID!"))
+        }
+    }
+
     /// Get an email included in the request
     pub fn post_email(&mut self, name: &str) -> ResultBoxError<String> {
         let mail = self.post_string(name)?;

src/helpers/friends_helper.rs

@@ -89,6 +89,28 @@ pub fn sent_request(user_id: &UserID, target_user: &UserID) -> ResultBoxError<bo
         .map(|f| f > 0)
 }
 
+/// Respond to a friendship request
+pub fn respond_request(user_id: &UserID, friend_id: &UserID, accept: bool) -> ResultBoxError {
+    // Delete the request
+    remove_request(friend_id, user_id)?;
+
+    if accept {
+        database::InsertQuery::new(FRIENDS_TABLE)
+            .add_user_id("ID_personne", user_id)
+            .add_user_id("ID_amis", friend_id)
+            .add_legacy_bool("actif", true)
+            .insert_drop_result()?;
+
+        database::InsertQuery::new(FRIENDS_TABLE)
+            .add_user_id("ID_personne", friend_id)
+            .add_user_id("ID_amis", user_id)
+            .add_legacy_bool("actif", true)
+            .insert_drop_result()?;
+    }
+
+    Ok(())
+}
+
 /// Check out whether two users are friend or not
 pub fn are_friend(user_one: &UserID, user_two: &UserID) -> ResultBoxError<bool> {
     Ok(database::count(QueryInfo::new(FRIENDS_TABLE)