BeijingSafeguard/04.系统编码/BLL/TagBLL.cs

using System;
using System.Collections.Generic;

using Pingchuan.BeijingSafeguard.DAL;
using Pingchuan.BeijingSafeguard.Model;

namespace Pingchuan.BeijingSafeguard.BLL
{
    public class TagBLL
    {
        public static int Add(int userId, string taskId, string name)
        {
           return TagDAL.Add(ToModel(userId, taskId, name));
        }

        public static void Delete(int tagId)
        {
            TagDAL.Delete(tagId);
        }

        public static void DeleteByTagName(string userId, string tagName, string region)
        {
            List<Task> tasks = TaskBLL.GetTaskIdByRegion(region);
            string taskIds = GetTaskIdsString(tasks);

            TagDAL.DeleteByTagName(userId, taskIds, tagName);
        }

        public static void DeleteByTaskId(string id)
        {
            TagDAL.DeleteByTaskId(id);
        }

        public static List<Tag> GetList(int userId)
        {
           return TagDAL.GetList(userId);
        }

        public static List<Tag> GetTags(int userId, string taskId)
        {
            return TagDAL.GetList(userId, taskId);
        }

        public static Tag ToModel(int userId, string taskId, string name)
        {
            return new Tag
            {
                UserId = userId,
                TaskId = taskId,
                Name = name,
                CreateTime = DateTime.Now
            };
        }

        public static string GetTaskIdsString(List<Task> tasks)
        {
            List<string> taskIds = new List<string>();

            if (taskIds != null)
            {
                foreach (Task task in tasks)
                    taskIds.Add(task.Id);
            }

           return string.Join(",", taskIds.ToArray());
        }
    }
}