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Use the conversation messages cache before going online

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This commit is contained in:
Pierre HUBERT
2019-04-27 09:24:29 +02:00
parent eaac6b1afa
commit 0579397ba7
4 changed files with 74 additions and 10 deletions
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22
lib/helpers/database/conversation_messages_database_helper.dart
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@ -1,13 +1,14 @@
import 'package:comunic/helpers/database/database_contract.dart';
import 'package:comunic/helpers/database/model_database_helper.dart';
import 'package:comunic/lists/conversation_messages_list.dart';
import 'package:comunic/models/conversation_message.dart';
/// Conversation messages database helper
///
/// @author Pierre HUBERT
class ConversationMessagesDatabaseHelper extends ModelDatabaseHelper<ConversationMessage> {
class ConversationMessagesDatabaseHelper
extends ModelDatabaseHelper<ConversationMessage> {
@override
ConversationMessage initializeFromMap(Map<String, dynamic> map) {
return ConversationMessage.fromMap(map);
@ -18,4 +19,19 @@ class ConversationMessagesDatabaseHelper extends ModelDatabaseHelper<Conversatio
return ConversationsMessagesTableContract.TABLE_NAME;
}
}
/// Get all the message cached for a given conversation
Future<ConversationMessagesList> getAllMessagesConversations(
int conversationID,
{int lastMessageID = 0}) async {
final list = await getMultiple(
where: "${ConversationsMessagesTableContract.C_CONVERSATION_ID} = ? "
"AND ${BaseTableContract.C_ID} > ?",
whereArgs: [conversationID, lastMessageID],
);
// Turn the list into a conversation messages list
ConversationMessagesList finalList = ConversationMessagesList();
finalList.addAll(list);
return finalList;
}
}

28
lib/helpers/database/model_database_helper.dart
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@ -48,7 +48,33 @@ abstract class ModelDatabaseHelper<T extends CacheModel> {
/// Get all the entries from the table
Future<List<T>> getAll() async {
List<Map> maps = await(await DatabaseHelper.get()).query(tableName());
List<Map> maps = await (await DatabaseHelper.get()).query(tableName());
return maps.map((f) => initializeFromMap(f)).toList();
}
/// Get some entries from the table based on some conditions
Future<List<T>> getMultiple(
{bool distinct,
List<String> columns,
String where,
List<dynamic> whereArgs,
String groupBy,
String having,
String orderBy,
int limit,
int offset}) async {
List<Map> maps = await (await DatabaseHelper.get()).query(
tableName(),
distinct: distinct,
columns: columns,
where: where,
whereArgs: whereArgs,
groupBy: groupBy,
having: having,
orderBy: orderBy,
limit: limit,
offset: offset,
);
return maps.map((f) => initializeFromMap(f)).toList();
}