Save subject for messages 2: Outgoing messages (#2283)

* Save subject for sent-out messages

* Test that subject is saved (outgoing)

* Correctly set subject when forwarding messages, add test for this

src/message.rs

@@ -22,6 +22,7 @@ use crate::dc_tools::{
 use crate::ephemeral::Timer as EphemeralTimer;
 use crate::events::EventType;
 use crate::job::{self, Action};
+use crate::log::LogExt;
 use crate::lot::{Lot, LotState, Meaning};
 use crate::mimeparser::{FailureReport, SystemMessage};
 use crate::param::{Param, Params};
@@ -307,7 +308,6 @@ pub struct Message {
     pub(crate) ephemeral_timer: EphemeralTimer,
     pub(crate) ephemeral_timestamp: i64,
     pub(crate) text: Option<String>,
-    /// The value of the Subject header. Not set for messages that we sent ourselves.
     pub(crate) subject: String,
     pub(crate) rfc724_mid: String,
     pub(crate) in_reply_to: Option<String>,
@@ -912,7 +912,7 @@ impl Message {
         Ok(None)
     }
 
-    pub async fn update_param(&mut self, context: &Context) -> bool {
+    pub async fn update_param(&self, context: &Context) {
         context
             .sql
             .execute(
@@ -920,7 +920,18 @@ impl Message {
                 paramsv![self.param.to_string(), self.id],
             )
             .await
-            .is_ok()
+            .ok_or_log(context);
+    }
+
+    pub(crate) async fn update_subject(&self, context: &Context) {
+        context
+            .sql
+            .execute(
+                "UPDATE msgs SET subject=? WHERE id=?;",
+                paramsv![self.subject, self.id],
+            )
+            .await
+            .ok_or_log(context);
     }
 
     /// Gets the error status of the message.