public PostRequest Category(CNHCategory category)
{
if (category != CNHCategory.Latest)
{
AddParam("categories", (int)category);
}
CurrentCategory = category;
return this;
}
public async Task FetchNews(CNHCategory category)
{
// clear posts in case category is changed
if (category != Category)
{
ClearItems();
}
IsLoading = true;
OnLoading();
WordPressManager.PostRequest postRequest = new WordPressManager.PostRequest();
postRequest
.Embeded()
.Category(category)
.Quantity(10)
.Search(SearchKeyword)
.Save(!IsSearchOn)
.Update(IsSearchOn && ConnectionInfo.InternetConnected());
var postsData = await WordpressExtension.GetPosts(postRequest);
switch (postsData.Result)
{
case TaskResult.Error:
OnError();
break;
case TaskResult.NoInternet:
OnConnectionError();
break;
case TaskResult.NoData:
OnNoData();
break;
case TaskResult.Success:
ReplaceItems(postsData.Data);
break;
default:
break;
}
Category = category;
IsLoading = false;
OnLoaded();
CanLoadMore = true;
}
/// <summary>
/// Create necessary directory and return file path
/// </summary>
/// <param name="category"></param>
/// <returns></returns>
static string GetPostFilePath(CNHCategory category)
{
// CNHSpotlightCache/posts/{category}
string path = Path.Combine(
Android.OS.Environment.ExternalStorageDirectory.Path,
"CNHSpotlightCache",
"posts");
if (!Directory.Exists(path))
{
Directory.CreateDirectory(path);
}
string file = Path.Combine(path, category.ToString());
return(file);
}
public static void SavePosts(List <Post> data, CNHCategory category, int index)
{
List <Post> finalPostList = new List <Post>();
var posts = GetAllPostsOffline(new WordPressManager.PostRequest().Category(category));
// try to get saved postList if it exists
if (posts.Result == TaskResult.Success)
{
finalPostList = posts.Data;
}
finalPostList.ReplaceItemRange(index, data);
using (StreamWriter streamWriter = new StreamWriter(GetPostFilePath(category)))
{
streamWriter.Write(JsonConvert.SerializeObject(finalPostList));
}
}
public async Task FetchNews(CNHCategory category)
{
await currentAdapter.FetchNews(category);
}
/// <summary>
/// Call fetch news from NewsFragment
/// </summary>
private async Task FetchNews(CNHCategory category)
{
await newsFragment.FetchNews(category);
}
