public async Task <HttpResponseMessage> GetHttpResponseFromRequest(ApiRequestParameters parameters)
{
if (parameters == null)
{
return(null);
}
return(await SendRequest(parameters.Url, parameters.Content, parameters.Method, parameters.MediaType, parameters.Token));
}
private async Task <string> GetSharePointEntityTypeFullNameAsync()
{
var parameters = new ApiRequestParameters {
Select = "ListItemEntityTypeFullName"
};
var json = await restApiClient.GetListAsync(listName, parameters);
var jsonDocument = System.Text.Json.JsonDocument.Parse(json);
var sharePointEntityTypeFullName = jsonDocument.RootElement.GetProperty("d").GetProperty("ListItemEntityTypeFullName").ToString();
return(sharePointEntityTypeFullName);
}
/// <summary>
/// Returns item with specified Id.
/// </summary>
/// <param name="id">Id of the target item.</param>
/// <returns>The Task object of strongly typed object.</returns>
public async Task <T> GetItemAsync(int id)
{
var usedProperties = GetUsedProperties();
var parameters = new ApiRequestParameters {
Select = GetSelectParameter(usedProperties), Expand = GetExpandParameter(usedProperties)
};
var json = await restApiClient.GetItemAsync(listName, id, parameters);
var result = converter.ConvertFromSPEntity <T>(json, usedProperties);
ResetParams();
return(result);
}
/// <summary>
/// Returns a collection of items from the list based on the specified query.
/// </summary>
/// <param name="query">CAML query as string.</param>
/// <returns></returns>
public async Task <List <T> > GetItemsAsync(string query)
{
var digest = await formDigestStorage.GetFormDigestAsync();
var usedProperties = GetUsedProperties();
var parameters = new ApiRequestParameters {
Select = GetSelectParameter(usedProperties), Expand = GetExpandParameter(usedProperties), Top = top
};
var json = await restApiClient.GetItemsAsync(listName, digest, query, parameters);
var result = converter.ConvertFromSPEntities <T>(json, usedProperties);
ResetParams();
return(result);
}
public async Task <string> PerformApiRequest(ApiRequestParameters parameters)
{
try
{
if (parameters == null)
{
return(null);
}
if (!await CheckInternetStatus())
{
return(null);
}
var response = await _apiRequest.GetHttpResponseFromRequest(parameters);
if (response == null || !response.IsSuccessStatusCode)
{
DisplayAlert("Error", "There was an issue communicating with the services");
return(null);
}
var content = await response.Content.ReadAsStringAsync();
if (string.IsNullOrEmpty(content))
{
DisplayAlert("Error", "The content had an issue.");
return(null);
}
return(content);
}
catch (Exception)
{
DisplayAlert("Error", "Communication issue");
return(null);
}
}
