Can check if an email address exists or not

src/api_data/mod.rs

@@ -43,3 +43,4 @@ pub mod res_count_all_unreads;
 pub mod notification_api;
 pub mod user_membership_api;
 mod type_container_api;
+pub mod res_check_email_exists;

src/api_data/res_check_email_exists.rs

@@ -0,0 +1,16 @@
+//! # Check if email exists result
+//!
+//! @author Pierre Hubert
+use serde::Serialize;
+
+#[derive(Serialize)]
+#[allow(non_snake_case)]
+pub struct ResCheckEmailExists {
+    exists: bool
+}
+
+impl ResCheckEmailExists {
+    pub fn new(exists: bool) -> ResCheckEmailExists {
+        ResCheckEmailExists { exists }
+    }
+}

src/controllers/account_controller.rs

@@ -1,5 +1,6 @@
 use crate::api_data::current_user_id::CurrentUserID;
 use crate::api_data::login_success::LoginSuccess;
+use crate::api_data::res_check_email_exists::ResCheckEmailExists;
 use crate::controllers::routes::RequestResult;
 use crate::data::http_request_handler::HttpRequestHandler;
 use crate::helpers::account_helper;
@@ -52,3 +53,10 @@ pub fn disconnect_all_devices(r: &mut HttpRequestHandler) -> RequestResult {
 pub fn user_id(request: &mut HttpRequestHandler) -> RequestResult {
     request.set_response(CurrentUserID::new(&request.user_id()?))
 }
+
+/// Check out whether an email address exists or not
+pub fn exists_mail(r: &mut HttpRequestHandler) -> RequestResult {
+    let email = r.post_email("email")?;
+
+    r.set_response(ResCheckEmailExists::new(account_helper::exists_mail(&email)?))
+}

src/controllers/routes.rs

@@ -74,6 +74,7 @@ pub fn get_routes() -> Vec<Route> {
         Route::post("/account/disconnect_all_devices", Box::new(account_controller::disconnect_all_devices)),
         Route::post("/account/id", Box::new(account_controller::user_id)),
         Route::post("/user/getCurrentUserID", Box::new(account_controller::user_id)),
+        Route::post_without_login("/account/exists_email", Box::new(account_controller::exists_mail)),
 
         // User controller
         Route::post_without_login("/user/getInfo", Box::new(user_controller::get_single)),

src/helpers/account_helper.rs

@@ -77,6 +77,14 @@ pub fn get_user_by_login_token(token: &str, client: &APIClient) -> ResultBoxErro
     )
 }
 
+/// Check out whether an email address exists or not
+pub fn exists_mail(mail: &str) -> ResultBoxError<bool> {
+    database::QueryInfo::new(USERS_TABLE)
+        .cond("mail", mail)
+        .exec_count()
+        .map(|r| r > 0)
+}
+
 /// Destroy a given user login tokens
 pub fn destroy_login_tokens(id: &UserID, client: &APIClient) -> ResultBoxError<()> {
     database::delete(DeleteQuery::new(USER_ACCESS_TOKENS_TABLE)