public static HttpClient TheHttpClient(string apiVersion)
{
Configuration config = new Configuration("CrmOnline");
Authentication auth = new Authentication(config);
string url = config.ServiceUrl;
//string url = new Configuration("CrmOnline").ServiceUrl.ToString();
string accessToken = Authentication.AcquireToken().AccessToken;
HttpClient httpClient = new HttpClient();
httpClient.BaseAddress = new Uri(url + apiVersion);
httpClient.Timeout = new TimeSpan(0, 2, 0);
httpClient.DefaultRequestHeaders.Authorization = new System.Net.Http.Headers.AuthenticationHeaderValue("Bearer", accessToken);
httpClient.DefaultRequestHeaders.Add("OData-MaxVersion", "4.0");
httpClient.DefaultRequestHeaders.Add("OData-Version", "4.0");
httpClient.DefaultRequestHeaders.Accept.Add(new System.Net.Http.Headers.MediaTypeWithQualityHeaderValue("application/json"));
return(httpClient);
}
public async Task Run(Authentication auth, Configuration config)
{
try
{
// Use an HttpClient object to communicate with the Web services.
using (HttpClient httpClient = new HttpClient())
{
// Define the Web API address of the service and the period of time each request has to execute.
httpClient.BaseAddress = new Uri(config.ServiceUrl);
httpClient.Timeout = new TimeSpan(0, 2, 0); // 2 minutes
httpClient.DefaultRequestHeaders.Add("OData-MaxVersion", "4.0");
httpClient.DefaultRequestHeaders.Add("OData-Version", "4.0");
// Set the type of payload that will be accepted.
httpClient.DefaultRequestHeaders.Accept.Add(new MediaTypeWithQualityHeaderValue("application/json"));
#region Create a entity
// Create an in-memory account using the early-bound Account class.
Account account = new Account();
account.name = "Contoso";
account.telephone1 = "555-5555";
// It is a best practice to refresh the access token before every message request is sent. Doing so
// avoids having to check the expiration date/time of the token. This operation is quick.
httpClient.DefaultRequestHeaders.Authorization = new AuthenticationHeaderValue("Bearer", auth.AcquireToken().AccessToken);
// Send the request, and then check the response for success.
// POST api/data/accounts
HttpResponseMessage response =
await HttpClientExtensions.SendAsJsonAsync <Account>(httpClient, HttpMethod.Post, "api/data/v8.0/accounts", account);
if (response.IsSuccessStatusCode)
{
Console.WriteLine("Account '{0}' created.", account.name);
}
else
{
throw new Exception(String.Format("Failed to create account '{0}', reason is '{1}'.",
account.name, response.ReasonPhrase), new CrmHttpResponseException(response.Content));
}
#endregion Create a entity
#region Retrieve a entity
httpClient.DefaultRequestHeaders.Authorization = new AuthenticationHeaderValue("Bearer", auth.AcquireToken().AccessToken);
// Retrieve the previously created entity using its Uri. Limit returned properties using a select
// statement for improved performance.
// GET api/data/accounts(<guid>)?$select=name,telephone1
string accountUri = response.Headers.GetValues("OData-EntityId").FirstOrDefault();
var retrieveResponse = await httpClient.GetAsync(accountUri + "?$select=name,telephone1");
Account retrievedAccount = null;
if (retrieveResponse.IsSuccessStatusCode)
{
// Deserialize the content into an Account object.
retrievedAccount = JsonConvert.DeserializeObject <Account>(await retrieveResponse.Content.ReadAsStringAsync());
Console.WriteLine("Account '{0}' retrieved.", retrievedAccount.name);
}
else
{
throw new Exception(String.Format("Failed to retrieve the account, reason is '{0}'.",
retrieveResponse.ReasonPhrase), new CrmHttpResponseException(response.Content));
}
#endregion retrieve a entity
// TODO: retrieve all accounts
#region Retrieve All accounts
// https://phillyhillel.crm.dynamics.com/api/data/v8.0/accounts?$select=name&$top=10
// GET
#endregion
#region Update a entity
httpClient.DefaultRequestHeaders.Authorization = new AuthenticationHeaderValue("Bearer", auth.AcquireToken().AccessToken);
// Change just the account name.
// You should only specify properties you intend to update.
JObject accountToUpdate = new JObject();
accountToUpdate.Add("name", retrievedAccount.name + " Incorporated");
// Send the update request, and then check the response for success.
// Note that accountUri includes the unique identifier for the entity so we do not have to set the accountid property in the updatedAccount object.
// PATCH api/data/acounts(<guid>)
response = await HttpClientExtensions.SendAsJsonAsync <JObject>(httpClient, new HttpMethod("PATCH"), accountUri, accountToUpdate);
if (response.IsSuccessStatusCode)
{
Console.WriteLine("Account '{0}' updated.", accountToUpdate["name"]);
}
else
{
throw new Exception(
String.Format("Failed to update account '{0}', reason is '{1}'.", retrievedAccount.name,
response.ReasonPhrase), new CrmHttpResponseException(response.Content));
}
#endregion Update a entity
#region Delete a entity
httpClient.DefaultRequestHeaders.Authorization = new AuthenticationHeaderValue("Bearer", auth.AcquireToken().AccessToken);
// DELETE api/data/accounts(<guid>)
// Send the request, and then check the response for success.
response = await httpClient.DeleteAsync(accountUri);
if (response.IsSuccessStatusCode)
{
Console.WriteLine("Account '{0}' deleted.", retrievedAccount.name);
}
else
{
throw new Exception(
String.Format("Failed to delete account '{0}', reason is '{1}'.", retrievedAccount.name,
response.ReasonPhrase), new CrmHttpResponseException(response.Content));
}
#endregion Delete a entity
}
}
catch (TimeoutException ex) { DisplayException(ex); }
catch (HttpRequestException ex) { DisplayException(ex); }
}