/// <summary>
/// Updates a conversation time.
/// </summary>
/// <param name="conversation"></param>
/// <param name="dateTime"></param>
/// <returns></returns>
private async Task UpdateConversationTime(string conversationId, string senderUsername, DateTime currentDateTime, DateTime dateTime)
{
var entity1 = await RetrieveConversationByTime(senderUsername, ConversationUtils.DateTimeToRowKey(currentDateTime));
var entity2 = await RetrieveConversationById(senderUsername, conversationId);
var updatedEntity = new UserConversationsTimeRowEntity
{
Id = entity1.Id,
PartitionKey = entity1.PartitionKey,
Recipient = entity1.Recipient,
RowKey = ConversationUtils.DateTimeToRowKey(dateTime)
};
entity2.LastModifiedUtcTime = dateTime;
var operation1 = TableOperation.Delete(entity1);
var operation2 = TableOperation.Replace(entity2);
var operation3 = TableOperation.Insert(updatedEntity);
await userConversationsTable.ExecuteBatchAsync(new TableBatchOperation
{
operation1, operation2, operation3
});
}
/// <summary>
/// Adds 2 conversation entities for 1 participant in conversation
/// </summary>
/// <param name="username"></param>
/// <param name="recipient"></param>
/// <param name="conversation"></param>
private async Task AddConversationForUser(string username, string recipient, Conversation conversation)
{
//Create Entities
var entity1Id = new UserConversationsIdRowEntity
{
PartitionKey = username,
RowKey = conversation.Id,
LastModifiedUtcTime = conversation.LastModifiedDateUtc,
Recipient = recipient
};
var entity1Time = new UserConversationsTimeRowEntity
{
PartitionKey = username,
RowKey = ConversationUtils.DateTimeToRowKey(conversation.LastModifiedDateUtc),
Recipient = recipient,
Id = conversation.Id
};
//Define Operations
var operation1 = TableOperation.Insert(entity1Id);
var operation2 = TableOperation.Insert(entity1Time);
//Define Transaction
var transaction = new TableBatchOperation {
operation1, operation2
};
//Execute Transaction
await userConversationsTable.ExecuteBatchAsync(transaction);
}