Add Small Group Ringing support.

app/src/main/java/org/thoughtcrime/securesms/database/DatabaseFactory.java

@@ -72,6 +72,7 @@ public class DatabaseFactory {
   private final EmojiSearchDatabase         emojiSearchDatabase;
   private final MessageSendLogDatabase      messageSendLogDatabase;
   private final AvatarPickerDatabase        avatarPickerDatabase;
+  private final GroupCallRingDatabase       groupCallRingDatabase;
 
   public static DatabaseFactory getInstance(Context context) {
     if (instance == null) {
@@ -206,6 +207,10 @@ public class DatabaseFactory {
     return getInstance(context).avatarPickerDatabase;
   }
 
+  public static GroupCallRingDatabase getGroupCallRingDatabase(Context context) {
+    return getInstance(context).groupCallRingDatabase;
+  }
+
   public static net.zetetic.database.sqlcipher.SQLiteDatabase getBackupDatabase(Context context) {
     return getInstance(context).databaseHelper.getRawReadableDatabase();
   }
@@ -268,6 +273,7 @@ public class DatabaseFactory {
     this.emojiSearchDatabase         = new EmojiSearchDatabase(context, databaseHelper);
     this.messageSendLogDatabase      = new MessageSendLogDatabase(context, databaseHelper);
     this.avatarPickerDatabase        = new AvatarPickerDatabase(context, databaseHelper);
+    this.groupCallRingDatabase       = new GroupCallRingDatabase(context, databaseHelper);
   }
 
   public void onApplicationLevelUpgrade(@NonNull Context context, @NonNull MasterSecret masterSecret,

app/src/main/java/org/thoughtcrime/securesms/database/GroupCallRingDatabase.kt

@@ -0,0 +1,95 @@
+package org.thoughtcrime.securesms.database
+
+import android.content.ContentValues
+import android.content.Context
+import org.signal.ringrtc.CallManager
+import org.thoughtcrime.securesms.database.helpers.SQLCipherOpenHelper
+import org.thoughtcrime.securesms.util.CursorUtil
+import org.thoughtcrime.securesms.util.SqlUtil
+import java.util.concurrent.TimeUnit
+
+/**
+ * Track state of Group Call ring cancellations.
+ */
+class GroupCallRingDatabase(context: Context, databaseHelper: SQLCipherOpenHelper) : Database(context, databaseHelper) {
+
+  companion object {
+    private val VALID_RING_DURATION = TimeUnit.MINUTES.toMillis(30)
+
+    private const val TABLE_NAME = "group_call_ring"
+
+    private const val ID = "_id"
+    private const val RING_ID = "ring_id"
+    private const val DATE_RECEIVED = "date_received"
+    private const val RING_STATE = "ring_state"
+
+    @JvmField
+    val CREATE_TABLE = """
+      CREATE TABLE $TABLE_NAME (
+        $ID INTEGER PRIMARY KEY,
+        $RING_ID INTEGER UNIQUE,
+        $DATE_RECEIVED INTEGER,
+        $RING_STATE INTEGER
+      )
+    """.trimIndent()
+
+    @JvmField
+    val CREATE_INDEXES = arrayOf(
+      "CREATE INDEX date_received_index on $TABLE_NAME ($DATE_RECEIVED)"
+    )
+  }
+
+  fun isCancelled(ringId: Long): Boolean {
+    val db = databaseHelper.signalReadableDatabase
+
+    db.query(TABLE_NAME, null, "$RING_ID = ?", SqlUtil.buildArgs(ringId), null, null, null).use { cursor ->
+      if (cursor.moveToFirst()) {
+        return CursorUtil.requireInt(cursor, RING_STATE) != 0
+      }
+    }
+
+    return false
+  }
+
+  fun insertGroupRing(ringId: Long, dateReceived: Long, ringState: CallManager.RingUpdate) {
+    val db = databaseHelper.signalWritableDatabase
+    val values = ContentValues().apply {
+      put(RING_ID, ringId)
+      put(DATE_RECEIVED, dateReceived)
+      put(RING_STATE, ringState.toCode())
+    }
+    db.insert(TABLE_NAME, null, values)
+
+    removeOldRings()
+  }
+
+  fun insertOrUpdateGroupRing(ringId: Long, dateReceived: Long, ringState: CallManager.RingUpdate) {
+    val db = databaseHelper.signalWritableDatabase
+    val values = ContentValues().apply {
+      put(RING_ID, ringId)
+      put(DATE_RECEIVED, dateReceived)
+      put(RING_STATE, ringState.toCode())
+    }
+    db.insertWithOnConflict(TABLE_NAME, null, values, SQLiteDatabase.CONFLICT_REPLACE)
+
+    removeOldRings()
+  }
+
+  fun removeOldRings() {
+    val db = databaseHelper.signalWritableDatabase
+
+    db.delete(TABLE_NAME, "$DATE_RECEIVED < ?", SqlUtil.buildArgs(System.currentTimeMillis() - VALID_RING_DURATION))
+  }
+}
+
+private fun CallManager.RingUpdate.toCode(): Int {
+  return when (this) {
+    CallManager.RingUpdate.REQUESTED -> 0
+    CallManager.RingUpdate.EXPIRED_REQUEST -> 1
+    CallManager.RingUpdate.ACCEPTED_ON_ANOTHER_DEVICE -> 2
+    CallManager.RingUpdate.DECLINED_ON_ANOTHER_DEVICE -> 3
+    CallManager.RingUpdate.BUSY_LOCALLY -> 4
+    CallManager.RingUpdate.BUSY_ON_ANOTHER_DEVICE -> 5
+    CallManager.RingUpdate.CANCELLED_BY_RINGER -> 6
+  }
+}

app/src/main/java/org/thoughtcrime/securesms/database/helpers/SQLCipherOpenHelper.java

@@ -33,6 +33,7 @@ import org.thoughtcrime.securesms.database.AttachmentDatabase;
 import org.thoughtcrime.securesms.database.ChatColorsDatabase;
 import org.thoughtcrime.securesms.database.DraftDatabase;
 import org.thoughtcrime.securesms.database.EmojiSearchDatabase;
+import org.thoughtcrime.securesms.database.GroupCallRingDatabase;
 import org.thoughtcrime.securesms.database.GroupDatabase;
 import org.thoughtcrime.securesms.database.GroupReceiptDatabase;
 import org.thoughtcrime.securesms.database.IdentityDatabase;
@@ -212,8 +213,9 @@ public class SQLCipherOpenHelper extends SQLiteOpenHelper implements SignalDatab
   private static final int THREAD_CLEANUP                   = 112;
   private static final int SESSION_MIGRATION                = 113;
   private static final int IDENTITY_MIGRATION               = 114;
+  private static final int GROUP_CALL_RING_TABLE            = 115;
 
-  private static final int    DATABASE_VERSION = 114;
+  private static final int    DATABASE_VERSION = 115;
   private static final String DATABASE_NAME    = "signal.db";
 
   private final Context context;
@@ -255,6 +257,7 @@ public class SQLCipherOpenHelper extends SQLiteOpenHelper implements SignalDatab
     db.execSQL(ChatColorsDatabase.CREATE_TABLE);
     db.execSQL(EmojiSearchDatabase.CREATE_TABLE);
     db.execSQL(AvatarPickerDatabase.CREATE_TABLE);
+    db.execSQL(GroupCallRingDatabase.CREATE_TABLE);
     executeStatements(db, SearchDatabase.CREATE_TABLE);
     executeStatements(db, RemappedRecordsDatabase.CREATE_TABLE);
     executeStatements(db, MessageSendLogDatabase.CREATE_TABLE);
@@ -272,6 +275,7 @@ public class SQLCipherOpenHelper extends SQLiteOpenHelper implements SignalDatab
     executeStatements(db, MentionDatabase.CREATE_INDEXES);
     executeStatements(db, PaymentDatabase.CREATE_INDEXES);
     executeStatements(db, MessageSendLogDatabase.CREATE_INDEXES);
+    executeStatements(db, GroupCallRingDatabase.CREATE_INDEXES);
 
     executeStatements(db, MessageSendLogDatabase.CREATE_TRIGGERS);
 
@@ -2016,6 +2020,11 @@ public class SQLCipherOpenHelper extends SQLiteOpenHelper implements SignalDatab
         Log.d(TAG, "Identity migration took " + (System.currentTimeMillis() - start) + " ms");
       }
 
+      if (oldVersion < GROUP_CALL_RING_TABLE) {
+        db.execSQL("CREATE TABLE group_call_ring (_id INTEGER PRIMARY KEY, ring_id INTEGER UNIQUE, date_received INTEGER, ring_state INTEGER)");
+        db.execSQL("CREATE INDEX date_received_index on group_call_ring (date_received)");
+      }
+
       db.setTransactionSuccessful();
     } finally {
       db.endTransaction();