internal static string GetEntitySetName(HttpClient httpClient, string entityLogicalName)
{
string requestUri = $"EntityDefinitions(LogicalName='{entityLogicalName}')?$select=EntitySetName";
var response = httpClient.GetAsync(requestUri).GetAwaiter().GetResult();
if (response.IsSuccessStatusCode)
{
string content = response.Content?.ReadAsStringAsync().GetAwaiter().GetResult();
EntityDefinition entityDefinition = JSONSerializer <EntityDefinition> .DeSerialize(content);
return(entityDefinition?.EntitySetName);
}
else
{
string content = response.Content?.ReadAsStringAsync().GetAwaiter().GetResult();;
throw new InvalidOperationException($"Missing entityset name for entity:{entityLogicalName}. Error Details:{content}");
}
}
private void GetOAuthToken(WebApiConfiguration configuration)
{
//Note that an Azure AD access token has finite lifetime, default expiration is 60 minutes.
string tokenEndpoint = string.Format("https://login.microsoftonline.com/{0}/oauth2/token", configuration.TenantId);
client.DefaultRequestHeaders.Add("Accept", "application/json");
string requestBody = string.Format("grant_type={0} &resource={1}&client_id={2}&client_secret={3}",
"client_credentials", configuration.RedirectUrl, configuration.ClientId, configuration.ClientSecret);
HttpResponseMessage response = client.PostAsync(tokenEndpoint,
new StringContent(requestBody, Encoding.UTF8, "application/x-www-form-urlencoded")).Result;
string result = response.Content.ReadAsStringAsync().Result;
if (response.IsSuccessStatusCode)
{
AuthToken = JSONSerializer <OAuthToken> .DeSerialize(result);
}
else
{
throw new HttpRequestException($"Unable to generate Authentication Token for reason:{response.ReasonPhrase}. with exeption: {result}");
}
}