using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using WeiSha.Core;
using Song.Entities;
using Song.ServiceInterfaces;
using Song.ViewData.Attri;

namespace Song.ViewData.Methods
{
 /// <summary>
 /// 通知公告
 /// </summary>
 [HttpPut, HttpGet]
 public class Notice : ViewMethod, IViewAPI
 {
 /// <summary>
 /// 通过id获取通知信息
 /// </summary>
 /// <param name="id">通知id</param>
 /// <returns>实体</returns>
 public Song.Entities.Notice ForID(long id)
 {
 return Business.Do<INotice>().NoticeSingle(id);
 }
 /// <summary>
 /// 通过id获取通知信息,前端获取,如果通知禁止显示则不返回
 /// </summary>
 /// <param name="id">通知id</param>
 /// <returns>实体</returns>
 public Song.Entities.Notice ShowForID(long id)
 {
 Song.Entities.Notice notice= Business.Do<INotice>().NoticeSingle(id);
 return notice.No_IsShow ? notice : null;
 }
 /// <summary>
 /// 获取或增加通知的浏览数
 /// </summary>
 /// <param name="id">通知ID</param>
 /// <param name="num">要增总的浏览数,不可以为负数或零</param>
 /// <returns></returns> 
 public int ViewNum(long id, int num)
 {
 return Business.Do<INotice>().ViewNum(id, num);
 }
 /// <summary>
 /// 修改通知信息
 /// </summary>
 /// <param name="entity"></param>
 /// <returns></returns>
 [Admin]
 [HttpPost]
 [HtmlClear(Not = "entity")]
 public bool Modify(Song.Entities.Notice entity)
 {
 Song.Entities.Notice old = Business.Do<INotice>().NoticeSingle(entity.No_Id);
 if (old == null) throw new Exception("Not found entity for Notice!");

 old.Copy<Song.Entities.Notice>(entity);
 Business.Do<INotice>().Save(old);
 return true;
 }
 /// <summary>
 /// 添加通知信息
 /// </summary>
 /// <param name="entity"></param>
 /// <returns></returns>
 [Admin]
 [HttpPost]
 [HtmlClear(Not = "entity")]
 public bool Add(Song.Entities.Notice entity)
 {
 try
 {
 Business.Do<INotice>().Add(entity);
 return true;
 }
 catch (Exception ex)
 {
 throw ex;
 }
 }
 /// <summary>
 /// 删除
 /// </summary>
 /// <param name="id">id,可以是多个,用逗号分隔</param>
 /// <returns></returns>
 [Admin]
 [HttpDelete]
 public int Delete(string id)
 {
 int i = 0;
 if (string.IsNullOrWhiteSpace(id)) return i;
 string[] arr = id.Split(',');
 foreach (string s in arr)
 {
 long idval = 0;
 long.TryParse(s, out idval);
 if (idval == 0) continue;
 try
 {
 Business.Do<INotice>().Delete(idval);
 i++;
 }
 catch (Exception ex)
 {
 throw ex;
 }
 }
 return i;
 }
 /// <summary>
 /// 后面分页获取
 /// </summary>
 /// <param name="orgid"></param>
 /// <param name="search"></param>
 /// <param name="size"></param>
 /// <param name="index"></param>
 /// <returns></returns>
 public ListResult Pager(int orgid, string search, int size, int index)
 { 
 int count = 0;
 Song.Entities.Notice[] eas = Business.Do<INotice>().GetPager(orgid, null, search, size, index, out count);
 ListResult result = new ListResult(eas);
 result.Index = index;
 result.Size = size;
 result.Total = count;
 return result;
 }
 /// <summary>
 /// 分页获取供前端显示的通知公告
 /// </summary>
 /// <param name="orgid">机构id</param>
 /// <param name="search"></param>
 /// <param name="size"></param>
 /// <param name="index"></param>
 /// <returns></returns>
 public ListResult ShowPager(int orgid, string search, int size, int index)
 {
 int count = 0;
 Song.Entities.Notice[] notices = Business.Do<INotice>().GetPager(orgid, true, search, size, index, out count);
 ListResult result = new ListResult(notices);
 result.Index = index;
 result.Size = size;
 result.Total = count;
 return result;
 }
 /// <summary>
 /// 作为弹窗广告的通知
 /// </summary>
 /// <param name="forpage">弹出的页面</param>
 /// <returns></returns>
 public ListResult OpenItems(string forpage)
 {
 Song.Entities.Organization org = Business.Do<IOrganization>().OrganCurrent();
 Song.Entities.Notice[] eas = Business.Do<INotice>().List(org.Org_ID, 2, forpage, DateTime.Now, true, -1);
 ListResult result = new ListResult(eas);
 result.Index = 1;
 result.Size = eas.Length;
 result.Total = eas.Length;
 return result;
 }
 /// <summary>
 /// 显示通知公告
 /// </summary>
 /// <param name="orgid">机构id</param>
 /// <param name="type">1为普通通知,2为弹窗通知,-1取所有</param>
 /// <param name="count">取多少条</param>
 /// <returns></returns>
 public Song.Entities.Notice[] ShowItems(int orgid, int type, int count)
 {
 if (orgid <= 0)
 {
 Song.Entities.Organization org = Business.Do<IOrganization>().OrganCurrent();
 orgid = org.Org_ID;
 }
 return Business.Do<INotice>().GetCount(orgid, type, true, count);
 }
 }
}