Setup database migrations for scheduled messages

app/src/main/kotlin/com/simplemobiletools/smsmessenger/databases/MessagesDatabase.kt

@@ -17,7 +17,7 @@ import com.simplemobiletools.smsmessenger.models.Conversation
 import com.simplemobiletools.smsmessenger.models.Message
 import com.simplemobiletools.smsmessenger.models.MessageAttachment
 
-@Database(entities = [Conversation::class, Attachment::class, MessageAttachment::class, Message::class], version = 4)
+@Database(entities = [Conversation::class, Attachment::class, MessageAttachment::class, Message::class], version = 5)
 @TypeConverters(Converters::class)
 abstract class MessagesDatabase : RoomDatabase() {
 
@@ -41,6 +41,7 @@ abstract class MessagesDatabase : RoomDatabase() {
                             .addMigrations(MIGRATION_1_2)
                             .addMigrations(MIGRATION_2_3)
                             .addMigrations(MIGRATION_3_4)
+                            .addMigrations(MIGRATION_4_5)
                             .build()
                     }
                 }
@@ -85,5 +86,13 @@ abstract class MessagesDatabase : RoomDatabase() {
                 }
             }
         }
+
+        private val MIGRATION_4_5 = object : Migration(4, 5) {
+            override fun migrate(database: SupportSQLiteDatabase) {
+                database.apply {
+                    execSQL("ALTER TABLE messages ADD COLUMN is_scheduled INTEGER NOT NULL DEFAULT 0")
+                }
+            }
+        }
     }
 }

app/src/main/kotlin/com/simplemobiletools/smsmessenger/interfaces/MessagesDao.kt

@@ -23,6 +23,12 @@ interface MessagesDao {
     @Query("SELECT * FROM messages WHERE thread_id = :threadId")
     fun getThreadMessages(threadId: Long): List<Message>
 
+    @Query("SELECT * FROM messages WHERE thread_id = :threadId AND is_scheduled")
+    fun getScheduledThreadMessages(threadId: Long): List<Message>
+
+    @Query("SELECT * FROM messages WHERE thread_id = :threadId AND id = :messageId AND is_scheduled")
+    fun getScheduledMessageWithId(threadId: Long, messageId: Long): Message
+
     @Query("SELECT * FROM messages WHERE body LIKE :text")
     fun getMessagesWithText(text: String): List<Message>
 

app/src/main/kotlin/com/simplemobiletools/smsmessenger/models/Message.kt

@@ -20,7 +20,11 @@ data class Message(
     @ColumnInfo(name = "attachment") val attachment: MessageAttachment?,
     @ColumnInfo(name = "sender_name") var senderName: String,
     @ColumnInfo(name = "sender_photo_uri") val senderPhotoUri: String,
-    @ColumnInfo(name = "subscription_id") var subscriptionId: Int) : ThreadItem() {
+    @ColumnInfo(name = "subscription_id") var subscriptionId: Int,
+    @ColumnInfo(name = "is_scheduled") var isScheduled: Boolean = false
+) : ThreadItem() {
 
     fun isReceivedMessage() = type == Telephony.Sms.MESSAGE_TYPE_INBOX
+
+    fun millis() = date * 1000L
 }