From 3d68233723f67d08a6c6bbd819bed5d12d4c5cca Mon Sep 17 00:00:00 2001
From: Onuray Sahin <onurays@element.io>
Date: Fri, 9 Dec 2022 14:51:23 +0300
Subject: [PATCH] Support retrieving account data whose key starts with a
 string.

---
 .../accountdata/SessionAccountDataService.kt        | 13 +++++++++++++
 .../user/accountdata/UserAccountDataDataSource.kt   | 10 ++++++++++
 2 files changed, 23 insertions(+)

diff --git a/matrix-sdk-android/src/main/java/org/matrix/android/sdk/api/session/accountdata/SessionAccountDataService.kt b/matrix-sdk-android/src/main/java/org/matrix/android/sdk/api/session/accountdata/SessionAccountDataService.kt
index a22dd33774..8addb0782e 100644
--- a/matrix-sdk-android/src/main/java/org/matrix/android/sdk/api/session/accountdata/SessionAccountDataService.kt
+++ b/matrix-sdk-android/src/main/java/org/matrix/android/sdk/api/session/accountdata/SessionAccountDataService.kt
@@ -63,4 +63,17 @@ interface SessionAccountDataService {
      * Update the account data with the provided type and the provided account data content.
      */
     suspend fun updateUserAccountData(type: String, content: Content)
+
+    /**
+     * Retrieve user account data list whose type starts with the given type.
+     * @param type the type or the starting part of a type
+     * @return list of account data whose type starts with the given type
+     */
+    fun getUserAccountDataEventsStartWith(type: String): List<UserAccountDataEvent>
+
+    /**
+     * Deletes user account data of the given type.
+     * @param type the type to delete from user account data
+     */
+    suspend fun deleteUserAccountData(type: String)
 }
diff --git a/matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/session/user/accountdata/UserAccountDataDataSource.kt b/matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/session/user/accountdata/UserAccountDataDataSource.kt
index 39f155096a..2e66f4513b 100644
--- a/matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/session/user/accountdata/UserAccountDataDataSource.kt
+++ b/matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/session/user/accountdata/UserAccountDataDataSource.kt
@@ -60,6 +60,16 @@ internal class UserAccountDataDataSource @Inject constructor(
         )
     }
 
+    fun getAccountDataEventsStartWith(type: String): List<UserAccountDataEvent> {
+        return realmSessionProvider.withRealm { realm ->
+            realm
+                    .where(UserAccountDataEntity::class.java)
+                    .contains(UserAccountDataEntityFields.TYPE, type)
+                    .findAll()
+                    .map(accountDataMapper::map)
+        }
+    }
+
     private fun accountDataEventsQuery(realm: Realm, types: Set<String>): RealmQuery<UserAccountDataEntity> {
         val query = realm.where(UserAccountDataEntity::class.java)
         if (types.isNotEmpty()) {