public async Task Search()
{
string text = SearchBar.Text ?? "";
ApiRecordViewModel viewModel = await GetRecordsFromApi(this.GetAppUrl(), text);
BindingContext = viewModel;
}
async protected override void OnAppearing()
{
base.OnAppearing();
ApiRecordViewModel viewModel = await GetRecordsFromApi(this.GetAppUrl(), "");
BindingContext = viewModel;
}
async void OnSourceScriptClicked(object sender, EventArgs args)
{
Label senderLabel = sender as Label;
if (senderLabel == null)
{
return;
}
String scriptName = senderLabel.FormattedText.ToString().Replace("Plik:", "");
ApiRecordViewModel viewModel = await GetRecordsFromApi(ScriptUrl, scriptName);
BindingContext = viewModel;
}
public ItemsPage()
{
_cache = new MemoryCache(new MemoryCacheOptions()
{
});
BindingContext = viewModel = new ApiRecordViewModel();
InitializeComponent();
ViewsCominicator.Instance.Register("ItemsPage", this);
if (this.CurrentPage <= 0)
{
PrevButton.IsEnabled = false;
PrevButton.IsVisible = false;
}
SearchBar.SearchCommand = new Command(async() =>
{
this.CurrentPage = 0;
await this.Search();
});
}
async Task <ApiRecordViewModel> GetRecordsFromApi(String baseUrl, String name)
{
string content = "";
if (!_cache.TryGetValue(name + this.CurrentPage, out content))
{
Task <string> downloadTask = HttpClient.GetStringAsync(baseUrl + name);
content = await downloadTask;
_cache.Set(name, content);
}
JObject jObject = JObject.Parse(content);
List <ApiRecord> records = JsonConvert.DeserializeObject <List <ApiRecord> >(jObject["records"].ToString());
ApiRecordViewModel resultView = new ApiRecordViewModel(records);
resultView.DefaultPageSize = (int)jObject["defaultPageSize"];
resultView.RecordCoundTotal = (int)jObject["recordCountTotal"];
resultView.PageNumber = (int)jObject["pageNumber"];
resultView.RecordsOnPage = (int)jObject["recordsOnPage"];
resultView.FirstRecordOnPageNumber = (resultView.PageNumber * resultView.DefaultPageSize) + 1;
int lastNumber = resultView.FirstRecordOnPageNumber + resultView.RecordsOnPage - 1;
resultView.LastRecordOnPageNumber = lastNumber;
return(resultView);
}
