LoadAllContextsAsync <TContext>(long botId, ChatType chatType, ISegmentedQueryContinuationToken token = null)
where TContext : class, new()
{
var continuationToken = (AzureStorageServiceContinuationToken)token;
var table = await GetTable(options.MainTableName);
var query = BotUserOrChatContext.GetAllForBot(botId, chatType);
var segment = await table.ExecuteQuerySegmentedAsync(query, continuationToken?.Token);
var contexts = segment.Results.Select(
x => string.IsNullOrEmpty(x.Value)
? null
: JsonConvert.DeserializeObject <TContext>(x.Value, EntityPropertyExtensions.JsonSettings))
.ToList();
var newToken =
segment.ContinuationToken == null
? null
: new AzureStorageServiceContinuationToken {
Token = segment.ContinuationToken
};
return(Tuple.Create(contexts, (ISegmentedQueryContinuationToken)newToken));
}
protected async Task SaveContextAsync <TContext>(long botId, long userOrChatId, ChatType chatType, TContext userContext)
where TContext : class, new()
{
var value = JsonConvert.SerializeObject(userContext, EntityPropertyExtensions.JsonSettings);
var entity = new BotUserOrChatContext(botId, userOrChatId, chatType, value);
var table = await GetTable(options.MainTableName);
await table.ExecuteAsync(TableOperation.InsertOrReplace(entity));
}
public async Task <TContext> LoadContextAsync <TContext>(long botId, long userOrChatId)
where TContext : class, new()
{
var table = await GetTable(options.MainTableName);
var key = BotUserOrChatContext.GetKey(botId, userOrChatId);
var obj = await table.ExecuteAsync(TableOperation.Retrieve <BotUserOrChatContext>(key.PartitionKey, key.RowKey));
if (obj.Result == null)
{
return(null);
}
var context = (BotUserOrChatContext)obj.Result;
if (string.IsNullOrEmpty(context.Value))
{
return(null);
}
return(JsonConvert.DeserializeObject <TContext>(context.Value, EntityPropertyExtensions.JsonSettings));
}