Can count the number of unread notifications

src/api_data/mod.rs

@@ -37,4 +37,5 @@ pub mod survey_api;
 pub mod comment_api;
 pub mod res_create_post;
 pub mod posts_targets_api;
-pub mod res_create_comment;
+pub mod res_create_comment;
+pub mod res_number_unread_notifications;

src/api_data/res_number_unread_notifications.rs

@@ -0,0 +1,16 @@
+//! # Number of unread notifications
+//!
+//! @author Pierre Hubert
+
+use serde::Serialize;
+
+#[derive(Serialize)]
+pub struct ResNumberUnreadNotifications {
+    number: u64
+}
+
+impl ResNumberUnreadNotifications {
+    pub fn new(number: u64) -> ResNumberUnreadNotifications {
+        ResNumberUnreadNotifications { number }
+    }
+}

src/constants.rs

@@ -52,6 +52,9 @@ pub mod database_tables_names {
 
     /// Comments table
     pub const COMMENTS_TABLE: &str = "commentaires";
+
+    /// Notifications table
+    pub const NOTIFICATIONS_TABLE: &str = "comunic_notifications";
 }
 
 /// The account image to show for user who do not have any

src/controllers/mod.rs

@@ -12,5 +12,6 @@ pub mod posts_controller;
 pub mod comments_controller;
 pub mod likes_controller;
 pub mod surveys_controller;
+pub mod notifications_controller;
 pub mod movies_controller;
 pub mod virtual_directory_controller;

src/controllers/notifications_controller.rs

@@ -0,0 +1,14 @@
+//! # Notifications controller
+//!
+//! @author Pierre Hubert
+
+use crate::api_data::res_number_unread_notifications::ResNumberUnreadNotifications;
+use crate::controllers::routes::RequestResult;
+use crate::data::http_request_handler::HttpRequestHandler;
+use crate::helpers::notifications_helper;
+
+/// Count the number of unread notifications
+pub fn count_unread(r: &mut HttpRequestHandler) -> RequestResult {
+    let number = notifications_helper::count_unread(r.user_id_ref()?)?;
+    r.set_response(ResNumberUnreadNotifications::new(number))
+}

src/controllers/routes.rs

@@ -1,6 +1,6 @@
 use std::error::Error;
 
-use crate::controllers::{account_controller, comments_controller, conversations_controller, friends_controller, groups_controller, likes_controller, movies_controller, posts_controller, search_controller, server_controller, surveys_controller, user_controller, virtual_directory_controller};
+use crate::controllers::{account_controller, comments_controller, conversations_controller, friends_controller, groups_controller, likes_controller, movies_controller, notifications_controller, posts_controller, search_controller, server_controller, surveys_controller, user_controller, virtual_directory_controller};
 use crate::controllers::routes::Method::{GET, POST};
 use crate::data::http_request_handler::HttpRequestHandler;
 
@@ -244,6 +244,8 @@ pub fn get_routes() -> Vec<Route> {
         Route::post("/surveys/block_new_choices_creation", Box::new(surveys_controller::block_new_choices_creation)),
 
 
+        // Notifications controller
+        Route::post("/notifications/count_unread", Box::new(notifications_controller::count_unread)),
 
         // Movies controller
         Route::post("/movies/get_list", Box::new(movies_controller::get_list)),

src/helpers/mod.rs

@@ -13,4 +13,5 @@ pub mod conversations_helper;
 pub mod virtual_directory_helper;
 pub mod movies_helper;
 pub mod survey_helper;
-pub mod comments_helper;
+pub mod comments_helper;
+pub mod notifications_helper;

src/helpers/notifications_helper.rs

@@ -0,0 +1,17 @@
+//! # Notifications helper
+//!
+//! @author Pierre Hubert
+
+use crate::constants::database_tables_names::NOTIFICATIONS_TABLE;
+use crate::data::error::ResultBoxError;
+use crate::data::user::UserID;
+use crate::helpers::database;
+
+/// Count the number of unread notifications
+pub fn count_unread(user_id: &UserID) -> ResultBoxError<u64> {
+    database::QueryInfo::new(NOTIFICATIONS_TABLE)
+        .cond_user_id("dest_user_id", user_id)
+        .cond_legacy_bool("seen", false)
+        .exec_count()
+        .map(|c| c as u64)
+}