Added thread to main log

app/src/main/java/eu/faircode/email/DB.java

@@ -68,7 +68,7 @@ import javax.mail.internet.InternetAddress;
 // https://developer.android.com/topic/libraries/architecture/room.html
 
 @Database(
-        version = 275,
+        version = 276,
         entities = {
                 EntityIdentity.class,
                 EntityAccount.class,
@@ -2787,6 +2787,12 @@ public abstract class DB extends RoomDatabase {
                         logMigration(startVersion, endVersion);
                         db.execSQL("ALTER TABLE `contact` ADD COLUMN `folder` INTEGER");
                     }
+                }).addMigrations(new Migration(275, 276) {
+                    @Override
+                    public void migrate(@NonNull SupportSQLiteDatabase db) {
+                        logMigration(startVersion, endVersion);
+                        db.execSQL("ALTER TABLE `log` ADD COLUMN `thread` INTEGER");
+                    }
                 }).addMigrations(new Migration(998, 999) {
                     @Override
                     public void migrate(@NonNull SupportSQLiteDatabase db) {

app/src/main/java/eu/faircode/email/EntityLog.java

@@ -58,6 +58,7 @@ public class EntityLog {
     public Long time;
     @NonNull
     public Type type = Type.General;
+    public Long thread;
     public Long account;
     public Long folder;
     public Long message;
@@ -127,6 +128,7 @@ public class EntityLog {
         final EntityLog entry = new EntityLog();
         entry.time = new Date().getTime();
         entry.type = type;
+        entry.thread = Thread.currentThread().getId();
         entry.account = account;
         entry.folder = folder;
         entry.message = message;

app/src/main/java/eu/faircode/email/Log.java

@@ -2735,9 +2735,10 @@ public class Log {
                 DateFormat TF = Helper.getTimeInstance(context);
 
                 for (EntityLog entry : db.log().getLogs(from, null)) {
-                    size += write(os, String.format("%s [%d:%d:%d:%d] %s\r\n",
+                    size += write(os, String.format("%s [%d:%d:%d:%d:%d] %s\r\n",
                             TF.format(entry.time),
                             entry.type.ordinal(),
+                            (entry.thread == null ? 0 : entry.thread),
                             (entry.account == null ? 0 : entry.account),
                             (entry.folder == null ? 0 : entry.folder),
                             (entry.message == null ? 0 : entry.message),