Add Event::ChatAutodeleteTimerModified

deltachat-ffi/deltachat.h

@@ -4417,6 +4417,11 @@ int64_t          dc_lot_get_timestamp     (const dc_lot_t* lot);
  */
 #define DC_EVENT_CHAT_MODIFIED            2020
 
+/**
+ * Chat autodelete timer changed.
+ */
+#define DC_EVENT_CHAT_AUTODELETE_TIMER_MODIFIED 2021
+
 
 /**
  * Contact(s) created, renamed, verified, blocked or deleted.

deltachat-ffi/src/lib.rs

@@ -170,6 +170,14 @@ impl ContextWrapper {
                 Event::ChatModified(chat_id) => {
                     ffi_cb(self, event_id, chat_id.to_u32() as uintptr_t, 0);
                 }
+                Event::ChatAutodeleteTimerModified { chat_id, timer } => {
+                    ffi_cb(
+                        self,
+                        event_id,
+                        chat_id.to_u32() as uintptr_t,
+                        timer as uintptr_t,
+                    );
+                }
                 Event::ContactsChanged(id) | Event::LocationChanged(id) => {
                     let id = id.unwrap_or_default();
                     ffi_cb(self, event_id, id as uintptr_t, 0);

python/src/deltachat/const.py

@@ -92,6 +92,7 @@ DC_EVENT_MSG_DELIVERED = 2010
 DC_EVENT_MSG_FAILED = 2012
 DC_EVENT_MSG_READ = 2015
 DC_EVENT_CHAT_MODIFIED = 2020
+DC_EVENT_CHAT_AUTODELETE_TIMER_MODIFIED = 2021
 DC_EVENT_CONTACTS_CHANGED = 2030
 DC_EVENT_LOCATION_CHANGED = 2035
 DC_EVENT_CONFIGURE_PROGRESS = 2041

src/dc_receive_imf.rs

@@ -201,6 +201,31 @@ pub fn dc_receive_imf(
         };
     }
 
+    if let Some(value) = mime_parser.get(HeaderDef::AutodeleteTimer) {
+        let timer = match value.parse::<u32>() {
+            Ok(timer) => timer,
+            Err(err) => {
+                warn!(
+                    context,
+                    "can't parse autodelete timer \"{}\": {}", value, err
+                );
+                0
+            }
+        };
+
+        match chat::set_autodelete_timer(context, chat_id, timer) {
+            Ok(()) => {
+                context.call_cb(Event::ChatAutodeleteTimerModified { chat_id, timer });
+            }
+            Err(err) => {
+                warn!(
+                    context,
+                    "failed to modify timer for chat {}: {}", chat_id, err
+                );
+            }
+        }
+    }
+
     // Get user-configured server deletion
     let delete_server_after = context.get_config_delete_server_after();
 
@@ -221,6 +246,19 @@ pub fn dc_receive_imf(
         }
     }
 
+    // if we delete we don't need to try moving messages
+    if needs_delete_job && !created_db_entries.is_empty() {
+        job_add(
+            context,
+            Action::DeleteMsgOnImap,
+            created_db_entries[0].1.to_u32() as i32,
+            Params::new(),
+            0,
+        );
+    } else {
+        context.do_heuristics_moves(server_folder.as_ref(), insert_msg_id);
+    }
+
     info!(
         context,
         "received message {} has Message-Id: {}", server_uid, rfc724_mid

src/events.rs

@@ -136,9 +136,16 @@ pub enum Event {
     /// Or the verify state of a chat has changed.
     /// See dc_set_chat_name(), dc_set_chat_profile_image(), dc_add_contact_to_chat()
     /// and dc_remove_contact_from_chat().
+    ///
+    /// This event does not include autodelete timer modification, which
+    /// is a separate event.
     #[strum(props(id = "2020"))]
     ChatModified(ChatId),
 
+    /// Chat autodelete timer changed.
+    #[strum(props(id = "2021"))]
+    ChatAutodeleteTimerModified { chat_id: ChatId, timer: u32 },
+
     /// Contact(s) created, renamed, blocked or deleted.
     ///
     /// @param data1 (int) If set, this is the contact_id of an added contact that should be selected.

src/headerdef.rs

@@ -41,6 +41,7 @@ pub enum HeaderDef {
     SecureJoinFingerprint,
     SecureJoinInvitenumber,
     SecureJoinAuth,
+    AutodeleteTimer,
     _TestHeader,
 }
 

src/mimefactory.rs

@@ -2,7 +2,7 @@ use chrono::TimeZone;
 use lettre_email::{mime, Address, Header, MimeMultipartType, PartBuilder};
 
 use crate::blob::BlobObject;
-use crate::chat::{self, Chat};
+use crate::chat::{self, get_autodelete_timer, Chat};
 use crate::config::Config;
 use crate::constants::*;
 use crate::contact::*;
@@ -453,6 +453,14 @@ impl<'a, 'b> MimeFactory<'a, 'b> {
             Loaded::MDN { .. } => dc_create_outgoing_rfc724_mid(None, &self.from_addr),
         };
 
+        let autodelete_timer = get_autodelete_timer(self.context, self.msg.chat_id);
+        if autodelete_timer > 0 {
+            protected_headers.push(Header::new(
+                "Autodelete-Timer".to_string(),
+                autodelete_timer.to_string(),
+            ));
+        }
+
         // we could also store the message-id in the protected headers
         // which would probably help to survive providers like
         // Outlook.com or hotmail which mangle the Message-ID.