Can update conversation message content

src/controllers/conversations_controller.rs

@@ -298,4 +298,18 @@ pub fn delete_conversation(r: &mut HttpRequestHandler) -> RequestResult {
     conversations_helper::remove_user_from_conversation(r.user_id()?, conv_id)?;
 
     r.success("The conversation has been deleted")
+}
+
+/// Update a single conversation message
+pub fn update_message(r: &mut HttpRequestHandler) -> RequestResult {
+    let msg_id = r.post_u64("messageID")?;
+    let new_content = r.post_string_opt("content", 3, true)?;
+
+    if !conversations_helper::is_message_owner(r.user_id()?, msg_id)? {
+        r.forbidden("You are not the owner of this message!".to_string())?;
+    }
+
+    conversations_helper::update_message_content(msg_id, &new_content)?;
+
+    r.success("Conversation message content successfully updated")
 }

src/controllers/routes.rs

@@ -114,6 +114,8 @@ pub fn get_routes() -> Vec<Route> {
 
         Route::post("/conversations/delete", Box::new(conversations_controller::delete_conversation)),
 
+        Route::post("/conversations/updateMessage", Box::new(conversations_controller::update_message)),
+
 
         // Virtual directory controller
         Route::post("/user/findbyfolder", Box::new(virtual_directory_controller::find_user)),

src/helpers/conversations_helper.rs

@@ -293,6 +293,14 @@ pub fn send_message(msg: &NewConversationMessage) -> ResultBoxError<()> {
     Ok(())
 }
 
+/// Update message content
+pub fn update_message_content(msg_id: u64, new_content: &str) -> ResultBoxError<()> {
+    database::UpdateInfo::new(CONV_MESSAGES_TABLE)
+        .cond_u64("id", msg_id)
+        .set_str("message", new_content)
+        .exec()
+}
+
 /// Remove a message from a conversation
 pub fn delete_message(msg: &ConversationMessage) -> ResultBoxError<()> {
 
@@ -394,6 +402,15 @@ pub fn delete_member(user_id: UserID, conv_id: u64) -> ResultBoxError<()> {
     Ok(())
 }
 
+/// Check out whether a user is the owner of a message or not
+pub fn is_message_owner(user_id: UserID, message_id: u64) -> ResultBoxError<bool> {
+    database::QueryInfo::new(CONV_MESSAGES_TABLE)
+        .cond_u64("id", message_id)
+        .cond_user_id("user_id", user_id)
+        .exec_count()
+        .map(|r| r > 0)
+}
+
 /// Turn a database entry into a ConversationInfo object
 fn db_to_conversation_info(row: &database::RowResult) -> ResultBoxError<Conversation> {
     let conv_id = row.get_u64("id")?;

src/helpers/database.rs

@@ -651,6 +651,12 @@ impl UpdateInfo {
         self
     }
 
+    /// Set a new string
+    pub fn set_str(mut self, name: &str, val: &str) -> Self {
+        self.set.insert(name.to_string(), Value::from(val));
+        self
+    }
+
     /// Set an new optional string
     ///
     /// None => Empty string