public async Task<SyncContactObject> GetContacts(ResourceAuthToken token)
{
var dbContacts = await _dbProvider.GetContacts(token.Id);
if (token.AuthToken == null || !_resourceHandlers.ContainsKey(token.ResourceProvider))
{
return new SyncContactObject(dbContacts.ToList(), token.ResourceProvider);
}
try
{
var externalContacts = _resourceHandlers[token.ResourceProvider].RetrieveContacts(token);
var newContacts = externalContacts.Where(externalContact =>
dbContacts.All(dbContact => dbContact.Id != externalContact.Id));
await _dbProvider.UpdateContacts(token.Id, newContacts.ToList());
dbContacts = await _dbProvider.GetContacts(token.Id);
}
catch (GDataRequestException e)
{
var errMsg = new ErrorMessage($"Error occurred while retrieving data from {token.ResourceProvider}. Refresh token",
e);
return new SyncContactObject(dbContacts, token.ResourceProvider, errMsg);
}
catch (Exception e)
{
var errMsg = new ErrorMessage($"General error occurred",
e);
return new SyncContactObject(dbContacts, token.ResourceProvider, errMsg);
}
return new SyncContactObject(dbContacts.ToList(), token.ResourceProvider);
}
public bool DeleteContact(ResourceAuthToken authParams, string contactId)
{
RequestSettings settings = new RequestSettings("ContactsManager", authParams.AuthToken);
ContactsRequest cr = new ContactsRequest(settings);
var retrievedContact = cr.Retrieve <global::Google.Contacts.Contact>(new Uri(contactId));
cr.Delete(retrievedContact);
return(true);
}
public IEnumerable <Contact> RetrieveContacts(ResourceAuthToken authParams)
{
RequestSettings settings = new RequestSettings("ContactsManager", authParams.AuthToken);
ContactsRequest contactsProvider = new ContactsRequest(settings);
var googleContactResult = contactsProvider.GetContacts();
var contactsList = CastEntriesToContacts(googleContactResult.Entries, contactsProvider);
return(contactsList);
}
public async Task<IEnumerable<Contact>> DeleteContact(ResourceAuthToken token, string contactId, bool changeInResource = false)
{
await _dbProvider.RemoveContact(token.Id,
(await GetContact(token, contactId)).RetrievedContacts.FirstOrDefault());
if (changeInResource && _resourceHandlers.ContainsKey(token.ResourceProvider))
{
_resourceHandlers[token.ResourceProvider].DeleteContact(token, contactId);
}
return await _dbProvider.GetContacts(token.Id);
}
public async Task<IEnumerable<Contact>> UpdateContacts(ResourceAuthToken token, IEnumerable<Contact> updatedContacts, bool changeInResource = false)
{
var contactsList = updatedContacts.ToList();
await _dbProvider.UpdateContacts(token.Id, contactsList.ToList());
if (changeInResource && _resourceHandlers.ContainsKey(token.ResourceProvider))
{
_resourceHandlers[token.ResourceProvider].AddContacts(token, contactsList);
}
return await _dbProvider.GetContacts(token.Id);
}
public bool AddContacts(ResourceAuthToken authParams, IEnumerable <Contact> contacts)
{
//if (SendPreRequest($"https://www.google.com/m8/feeds/contacts/{authParams.Id}/full", authParams,
// "POST") != HttpStatusCode.Created) return false;
RequestSettings settings = new RequestSettings("ContactsManager", authParams.AuthToken);
ContactsRequest contactsProvider = new ContactsRequest(settings);
foreach (var contact in contacts)
{
CreateContact(contactsProvider, contact);
}
return(true);
}
private HttpStatusCode SendPreRequest(string uri, ResourceAuthToken token, string method)
{
var request = WebRequest.CreateHttp(uri);
request.Method = method;
request.PreAuthenticate = true;
request.Headers.Add("Authorization", "Bearer " + token.AuthToken.AccessToken);
request.Accept = "application/json";
var myWebResponse = request.GetResponse();
var responseStream = myWebResponse.GetResponseStream();
if (responseStream == null)
{
return(HttpStatusCode.NotFound);
}
var myStreamReader = new StreamReader(responseStream, Encoding.Default);
var json = myStreamReader.ReadToEnd();
responseStream.Close();
myWebResponse.Close();
return(HttpStatusCode.OK);
}
public async Task<SyncContactObject> GetContact(ResourceAuthToken token, string id)
{
var dbContacts = await _dbProvider.GetContacts(token.Id);
return new SyncContactObject(new List<Contact>()
{dbContacts.FirstOrDefault(dbContact => HttpUtility.UrlDecode(dbContact.Id) == id)},token.ResourceProvider);
}
