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handle CLEARED_CHAT for scrolling into past

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Signed-off-by: Marcel Hibbe <dev@mhibbe.de>
This commit is contained in:
Marcel Hibbe 2024-08-08 14:35:39 +02:00
parent 85f4d8cd92
commit 299e8508c4
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3 changed files with 27 additions and 2 deletions
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11
app/src/main/java/com/nextcloud/talk/chat/data/network/OfflineFirstChatRepository.kt
View File

@ -481,8 +481,15 @@ class OfflineFirstChatRepository @Inject constructor(
}
ChatMessage.SystemMessageType.CLEARED_CHAT -> {
val pattern = "$internalConversationId%" // LIKE "<accountId>@<conversationId>@%"
chatDao.clearAllMessagesForUser(pattern)
// for lookIntoFuture just deleting everything would be fine.
// But lets say we did not open the chat for a while and in between it was cleared.
// We just load the last 100 messages but this don't contain the system message.
// We scroll up and load the system message. Deleting everything is not an option as we
// would loose the messages that we want to keep. We only want to
// delete the messages and chatBlocks older than the system message.
chatDao.deleteMessagesOlderThan(internalConversationId, messageJson.id)
chatBlocksDao.deleteChatBlocksOlderThan(internalConversationId, messageJson.id)
}
else -> {}

9
app/src/main/java/com/nextcloud/talk/data/database/dao/ChatBlocksDao.kt
View File

@ -89,4 +89,13 @@ interface ChatBlocksDao {
"""
)
fun clearChatBlocksForUser(pattern: String)
@Query(
"""
DELETE FROM ChatBlocks
WHERE internalConversationId = :internalConversationId
AND oldestMessageId < :messageId
"""
)
fun deleteChatBlocksOlderThan(internalConversationId: String, messageId: Long)
}

9
app/src/main/java/com/nextcloud/talk/data/database/dao/ChatMessagesDao.kt
View File

@ -131,4 +131,13 @@ interface ChatMessagesDao {
"""
)
fun clearAllMessagesForUser(pattern: String)
@Query(
"""
DELETE FROM chatmessages
WHERE internalConversationId = :internalConversationId
AND id < :messageId
"""
)
fun deleteMessagesOlderThan(internalConversationId: String, messageId: Long)
}