/// <summary>
/// 更新头条文章的磁贴tile
/// </summary>
/// <param name="t"></param>
private static void UpdateTile(LatestStories t)
{
//头5条 循环更新到tile中
List<string> list = t.Top_Stories.ToList().Select(s => s.Title).ToList();
List<string> list_image = t.Top_Stories.ToList().Select(s => s.Image).ToList();
var tileUpdater = TileUpdateManager.CreateTileUpdaterForApplication();
var plannedNotifications = tileUpdater.GetScheduledTileNotifications();
DateTime now = DateTime.Now;
DateTime updateTime = now;
DateTime planTill = now.AddMinutes(60); //每次制定1小时的tile更新计划
//删除还未执行的计划
if (plannedNotifications.Count > 0)
{
plannedNotifications.ToList().ForEach(s => tileUpdater.RemoveFromSchedule(s));
}
int index = 0;
int count = list.Count;
//制定tile更新的计划
for (var startPlanning = updateTime; startPlanning < planTill; startPlanning = startPlanning.AddSeconds(10))
{
try
{
var tilexml = TileContentFactory.CreateTileSquare150x150PeekImageAndText02();
tilexml.Image.Src = list_image[index % count];
tilexml.TextHeading.Text = "知乎日报UWP";
tilexml.TextBodyWrap.Text = list[index % count];
index++;
ScheduledTileNotification stn = new ScheduledTileNotification(tilexml.GetXml(), startPlanning);
stn.ExpirationTime = startPlanning.AddSeconds(8);
tileUpdater.AddToSchedule(stn);
}
catch
{
}
}
}
/// <summary>
/// 更新未读头条文章的徽章badge
/// </summary>
/// <param name="t"></param>
private static void UpdateBadge(LatestStories t)
{
//将当天未读TOP文章更新到 badge
int un_readed = 0;
t.Top_Stories.ToList().ForEach(s => { if (!DataShareManager.Current.ReadedList.Contains(s.ID)) un_readed++; });
var updater = BadgeUpdateManager.CreateBadgeUpdaterForApplication();
if (un_readed != 0)
{
var badgexml = new BadgeNumericNotificationContent((uint)un_readed);
var n = badgexml.CreateNotification();
n.ExpirationTime = DateTime.Now.AddDays(7);
updater.Update(n);
}
else
{
updater.Clear();
}
}
/// <summary>
/// 主页最近文章
/// </summary>
/// <returns></returns>
public async Task<LatestStories> GetLatestStories()
{
try
{
if (NetworkManager.Current.Network == 4)
{
LatestStories l = await FileHelper.Current.ReadObjectAsync<LatestStories>("latest_stories.json");
return l;
}
else
{
JsonObject json = await GetJson(ServiceURL.LatestStories);
if (json != null)
{
ObservableCollection<Story> stories_list = new ObservableCollection<Story>();
ObservableCollection<Story> top_stories_list = new ObservableCollection<Story>();
Story tmp;
var stories = json["stories"];
WriteableBitmap wb = null; string image_ext = "jpg";string[] sitem = null;
if (stories != null)
{
JsonArray ja = stories.GetArray();
JsonObject jo; string image; bool multiPic = false;
foreach (var j in ja)
{
jo = j.GetObject();
multiPic = jo.ContainsKey("multipic") && (jo["multipic"].GetBoolean());
image = jo["images"].GetArray()[0].GetString();
tmp = new Story { Date = json["date"].GetString(), ID = jo["id"].GetNumber().ToString(), Image = image, Title = jo["title"].GetString(), MultiPic = multiPic };
if (!await FileHelper.Current.CacheExist(tmp.ID + "_story_image." + image_ext)) //没有缓存
{
wb = await GetImage(tmp.Image); //下载图片
if (!tmp.Image.Equals(""))
{
sitem = tmp.Image.Split('.');
image_ext = sitem[sitem.Count() - 1];
}
await FileHelper.Current.SaveImageAsync(wb, tmp.ID + "_story_image." + image_ext); //保存图片
}
if (!tmp.Image.Equals(""))
{
tmp.Image = _local_path + "\\images_cache\\" + tmp.ID + "_story_image." + image_ext; //图片路径重定向
}
//tmp.Favorite = DataShareManager.Current.FavoriteList.Contains(tmp.ID) ? true : false; //是否收藏
//tmp.Readed = DataShareManager.Current.ReadedList.Contains(tmp.ID) ? true : false; //是否已读
stories_list.Add(tmp);
}
}
var top_stories = json["top_stories"];
if (top_stories != null)
{
JsonArray ja = top_stories.GetArray();
JsonObject jo;
foreach (var j in ja)
{
jo = j.GetObject();
tmp = new Story { Date = json["date"].GetString(), Favorite = false, ID = jo["id"].GetNumber().ToString(), Image = jo["image"].GetString(), Title = jo["title"].GetString() };
if (!await FileHelper.Current.CacheExist(tmp.ID + "_story_top_image." + image_ext)) //没有缓存
{
wb = await GetImage(tmp.Image); //下载图片
if (!tmp.Image.Equals(""))
{
sitem = tmp.Image.Split('.');
image_ext = sitem[sitem.Count() - 1];
}
await FileHelper.Current.SaveImageAsync(wb, tmp.ID + "_story_top_image." + image_ext); //保存图片
}
if (!tmp.Image.Equals(""))
{
tmp.Image = _local_path + "\\images_cache\\" + tmp.ID + "_story_top_image." + image_ext; //图片路径重定向
}
top_stories_list.Add(tmp);
}
}
LatestStories ls = new LatestStories { Date = json["date"].GetString(), Stories = stories_list, Top_Stories = top_stories_list };
await FileHelper.Current.WriteObjectAsync<LatestStories>(ls, "latest_stories.json");
return ls;
}
else
{
return null;
}
}
}
catch
{
return null;
}
}
/// <summary>
/// 显示未读头条文章的toast
/// </summary>
/// <param name="t"></param>
private static void ShowToast(LatestStories t)
{
if (!DataShareManager.Current.ShowToast)
return;
//将还未阅读的头条文章使用toast方式通知给用户
var toast_updater = ToastNotificationManager.CreateToastNotifier();
string xml = "<toast lang=\"zh-CN\" launch='111' >" +
"<visual>" +
"<binding template=\"ToastGeneric\">" +
"<text>知乎日报UWP 头条文章</text>" +
"<text>{0}</text>" +
"</binding>" +
"</visual>" +
"</toast>";
t.Top_Stories.ToList().ForEach(s =>
{
if (!DataShareManager.Current.ReadedList.Contains(s.ID) && !IsAlreadyToast(s.ID)) //未阅读
{
// 加载XML文档
XmlDocument doc = new XmlDocument();
doc.LoadXml(string.Format(xml, s.Title));
// 显示通知
ToastNotification notification = new ToastNotification(doc);
toast_updater.Show(notification);
}
});
}