public bool SubscribeTopic(string userId, string topicName, ref string errorMessage)
{
User user;
try
{
user = UserStorage.GetUserByID(userId);
if (user == null)
{
errorMessage = "Invalid UserID!";
return(false);
}
if (ColTopics.ContainsKey(topicName))
{
user.SubscribeTopic(topicName);
Console.WriteLine("[INFO - REPOSITORY] : Topic Subscribed: [{0}] for UserID: [{1}]", topicName, userId);
return(true);
}
else
{
errorMessage = "Invalid TopicName!";
return(false);
}
}
catch (Exception ex)
{
Log.Error(ex.Message);
return(false);
}
}
public List <CSTaskDTO> GetSubscribedTasksbyUserID(string userID)
{
List <string> subscribedTopics = new List <string>();
List <CSTaskDTO> subscribedTasks = new List <CSTaskDTO>();
Topic auxTopic;
CSTask task;
User user;
try
{
Console.WriteLine("[INFO - REPOSITORY] : Fetching Subscribed Tasks");
user = UserStorage.GetUserByID(userID);
if (user != null)
{
subscribedTopics = user.SubscribedTopics;
foreach (string topicName in subscribedTopics)
{
if (ColTopics.ContainsKey(topicName))
{
auxTopic = ColTopics[topicName];
foreach (string taskId in auxTopic.ListOfTaskIDs)
{
//if is a subscribed task but not created by the user
task = TaskStorage.GetTaskByID(taskId);
if (task != null && !user.MyTasks.Contains(taskId))
{
subscribedTasks.Add(task.ToDTO());
}
}
}
else
{
return(null);
}
}
return(subscribedTasks);
}
else
{
return(null);
}
}
catch (Exception ex)
{
Log.Error(ex.Message);
return(null);
}
}
public List <CSTaskDTO> GetSubscribedTasksbyTopic(string userID, string topicName, ref string errorMessage)
{
List <string> subscribedTopics = new List <string>();
List <CSTaskDTO> subscribedTasks = new List <CSTaskDTO>();
Topic auxTopic;
CSTask task;
try
{
Console.WriteLine("[INFO - REPOSITORY] : Fetching Subscribed Tasks For UserID: [{0}] and TopicName: [{1}]", userID, topicName);
if (UserStorage.GetUserByID(userID) == null)
{
errorMessage = "Invalid UserID!";
return(null);
}
if (ColTopics.ContainsKey(topicName))
{
auxTopic = ColTopics[topicName];
foreach (string taskId in auxTopic.ListOfTaskIDs)
{
task = TaskStorage.GetTaskByID(taskId);
if (task != null)
{
subscribedTasks.Add(task.ToDTO());
}
}
return(subscribedTasks);
}
else
{
errorMessage = "Invalid Topic Name!";
return(null);
}
}
catch (Exception ex)
{
Log.Error(ex.Message);
return(null);
}
}
private bool SaveTask(CSTaskDTO task, out string taskID)
{
taskID = null;
Topic topic;
try
{
if (task == null || task.TopicName == null)
{
Log.Error("Task or Topic IS NULL");
return(false);
}
if (!TaskStorage.CreateTask(task))
{
return(false);
}
taskID = task.TaskID;
Log.DebugFormat("Generated TaskID: [{0}]", taskID);
Log.Debug("Task Saved with sucess!");
//save topic
if (ColTopics.ContainsKey(task.TopicName))
{
ColTopics[task.TopicName].ListOfTaskIDs.Add(task.TaskID);
}
//topico nao existe
else
{
topic = new Topic(task.TopicName);
topic.ListOfTaskIDs.Add(task.TaskID);
ColTopics.Add(task.TopicName, topic);
}
return(true);
}
catch (Exception ex)
{
Log.Error(ex.Message);
return(false);
}
}
public bool GetTasksByTopicName(out List <GetTasksDTO> listTaskDTO, string topicName)
{
Topic topic;
GetTasksDTO taskDTO = null;
CSTask task;
listTaskDTO = null;
try
{
if (!ColTopics.TryGetValue(topicName, out topic))
{
Log.ErrorFormat("Invalid Topic Name: [{0}]", topicName);
return(false);
}
listTaskDTO = new List <GetTasksDTO>();
foreach (string taskID in topic.ListOfTaskIDs)
{
taskDTO = new GetTasksDTO();
task = TaskStorage.GetTaskByID(taskID);
if (task == null)
{
Log.ErrorFormat("TaskID: [{0}] already does not exist!. Going to remove from Topics.", taskID);
topic.ListOfTaskIDs.Remove(taskID);
}
taskDTO.TaskID = task.TaskID;
taskDTO.TaskName = task.Name;
listTaskDTO.Add(taskDTO);
}
return(true);
}
catch (Exception ex)
{
Log.Error(ex);
return(false);
}
}
