Can update following status

src/controllers/friends_controller.rs

@@ -120,7 +120,7 @@ pub fn respond_request(r: &mut HttpRequestHandler) -> RequestResult {
 
 /// Remove a friend from the list
 pub fn remove_friend(r: &mut HttpRequestHandler) -> RequestResult {
-    let friend_id = r.post_user_id("friendID")?;
+    let friend_id = r.post_friend_id("friendID")?;
 
     friends_helper::remove_friendship(r.user_id_ref()?, &friend_id)?;
 
@@ -128,3 +128,13 @@ pub fn remove_friend(r: &mut HttpRequestHandler) -> RequestResult {
 
     r.success("The friend was removed from the list!")
 }
+
+/// Update following status
+pub fn set_following(r: &mut HttpRequestHandler) -> RequestResult {
+    let friend_id = r.post_friend_id("friendID")?;
+    let follow = r.post_bool("follow")?;
+
+    friends_helper::set_following(r.user_id_ref()?, &friend_id, follow)?;
+
+    r.success("Following status updated!")
+}

src/controllers/routes.rs

@@ -105,6 +105,8 @@ pub fn get_routes() -> Vec<Route> {
 
         Route::post("/friends/remove", Box::new(friends_controller::remove_friend)),
 
+        Route::post("/friends/setFollowing", Box::new(friends_controller::set_following)),
+
 
         // Conversations controller
         Route::post("/conversations/create", Box::new(conversations_controller::create)),

src/data/http_request_handler.rs

@@ -17,7 +17,7 @@ use crate::data::error::{ExecError, ResultBoxError};
 use crate::data::group::GroupAccessLevel;
 use crate::data::group_id::GroupID;
 use crate::data::user::UserID;
-use crate::helpers::{account_helper, api_helper, conversations_helper, groups_helper, user_helper, virtual_directory_helper};
+use crate::helpers::{account_helper, api_helper, conversations_helper, friends_helper, groups_helper, user_helper, virtual_directory_helper};
 use crate::helpers::virtual_directory_helper::VirtualDirType;
 use crate::utils::string_utils::{check_url, remove_html_nodes};
 use crate::utils::user_data_utils::{generate_new_user_data_file_name, prepare_file_creation, user_data_path};
@@ -438,6 +438,21 @@ impl HttpRequestHandler {
         Ok(user_id)
     }
 
+    /// Get the ID of a friend included in a POST request
+    ///
+    /// *Note :* This function does not check whether the user exists or not before checking if the
+    /// two users are friend because as it is not possible to be friend with a non existent person
+    /// A single check is enough
+    pub fn post_friend_id(&mut self, name: &str) -> ResultBoxError<UserID> {
+        let friend_id = UserID::new(self.post_u64(name)?);
+
+        if !friends_helper::are_friend(&friend_id, self.user_id_ref()?)? {
+            self.forbidden("You are not friend with this person!".to_string())?;
+        }
+
+        Ok(friend_id)
+    }
+
     /// Get a virtual directory included in a POST request
     pub fn post_virtual_directory(&mut self, name: &str) -> ResultBoxError<String> {
         let dir = self.post_string(name)?;

src/helpers/friends_helper.rs

@@ -163,6 +163,15 @@ pub fn is_following(user_id: &UserID, friend_id: &UserID) -> ResultBoxError<bool
         .map(|f| f > 0)
 }
 
+/// Update following status of a friendship
+pub fn set_following(user_id: &UserID, friend_id: &UserID, follow: bool) -> ResultBoxError {
+    database::UpdateInfo::new(FRIENDS_TABLE)
+        .cond_user_id("ID_personne", user_id)
+        .cond_user_id("ID_amis", friend_id)
+        .set_legacy_bool("abonnement", follow)
+        .exec()
+}
+
 /// Get the status of a friendship
 pub fn get_status(user_id: &UserID, friend_id: &UserID) -> ResultBoxError<FriendshipStatus> {
     let mut status = FriendshipStatus {