Can remove a member from a conversation

src/data/base_request_handler.rs

@@ -5,6 +5,7 @@
 
 use std::collections::HashSet;
 use std::error::Error;
+use std::str::from_utf8;
 
 use exif::In;
 use image::{GenericImageView, ImageFormat};
@@ -31,7 +32,6 @@ use crate::utils::string_utils::{check_emoji_code, check_html_color, check_strin
 use crate::utils::user_data_utils::{generate_new_user_data_file_name, prepare_file_creation, user_data_path};
 use crate::utils::virtual_directories_utils;
 use crate::utils::zip_utils::is_valid_zip;
-use std::str::from_utf8;
 
 #[derive(Serialize)]
 struct SuccessMessage {
@@ -80,6 +80,13 @@ pub trait BaseRequestHandler {
         })
     }
 
+    /// Success without message
+    fn ok(&mut self) -> RequestResult {
+        self.set_response(SuccessMessage {
+            success: "OK.".to_string()
+        })
+    }
+
     /// Internal error response (500)
     fn internal_error(&mut self, error: Box<dyn Error>) -> RequestResult {
         self.set_error(HttpError::internal_error("Internal server error."));

src/data/conversation.rs

@@ -75,6 +75,11 @@ impl Conversation {
         !self.is_managed() && (self.is_admin(user_id) || self.can_everyone_add_members)
     }
 
+    /// Check out whether a user can remove members from a conversation or not
+    pub fn can_user_remove_members(&self, user_id: &UserID) -> bool {
+        !self.is_managed() && self.is_admin(user_id)
+    }
+
     /// Check out whether a user is the last administrator of a conversation or not
     pub fn is_last_admin(&self, user_id: &UserID) -> bool {
         let admins: Vec<&ConversationMember> = self.members