Stop including self into To: in every group message

Author: link2xt

src/mimefactory.rs

@@ -259,6 +259,15 @@ impl MimeFactory {
                             }
                         }
 
+                        debug_assert!(member_timestamps.len() >= to.len());
+
+                        if to.len() > 1 {
+                            if let Some(position) = to.iter().position(|(_, x)| x == &from_addr) {
+                                to.remove(position);
+                                member_timestamps.remove(position);
+                            }
+                        }
+
                         member_timestamps.extend(past_member_timestamps);
                         Ok(())
                     },

src/receive_imf.rs

@@ -2090,6 +2090,16 @@ async fn create_group(
                             )?;
                         }
 
+                        if !to_ids.contains(&from_id) {
+                            transaction.execute(
+                                "INSERT INTO chats_contacts (chat_id, contact_id, add_timestamp)
+                                 VALUES                     (?1,      ?2,         ?3)
+                                 ON CONFLICT (chat_id, contact_id)
+                                 DO UPDATE SET add_timestamp=MAX(add_timestamp, ?3)",
+                                (chat_id, from_id, tools::time()),
+                            )?;
+                        }
+
                         Ok(())
                     })
                     .await?;