/// <summary>
/// Creates an Observer that calls GetValue request at the given refresh rate (in seconds) and checks whether the value has changed.
/// </summary>
/// <param name="firebase">Firebase.</param>
/// <param name="refreshRate">Refresh rate (in seconds).</param>
/// <param name="getParam">Parameter value for the Get request that will be called periodically.</param>
public SimpleFirebaseObserver(SimpleFirebase _firebase, float _refreshRate, SimpleFirebaseParam _getParam)
{
active = false;
lastSnapshot = null;
firebase = _firebase;
refreshRate = _refreshRate;
getParam = _getParam.Parameter;
target = _firebase.Copy();
}
/// <summary>
/// Creates an Observer that calls GetValue request at the given refresh rate (in seconds) and checks whether the value has changed.
/// </summary>
/// <param name="firebase">Firebase.</param>
/// <param name="refreshRate">Refresh rate (in seconds).</param>
/// <param name="getParam">Parameter value for the Get request that will be called periodically.</param>
public SimpleFirebaseObserver(SimpleFirebase _firebase, float _refreshRate, string _getParam = "")
{
active = false;
lastSnapshot = null;
firebase = _firebase;
refreshRate = _refreshRate;
getParam = _getParam;
target = _firebase.Copy();
routine = null;
}
/// <summary>
/// Stop the observer.
/// </summary>
public void Stop()
{
active = false;
target.OnGetSuccess -= CompareSnapshot;
lastSnapshot = null;
if (routine != null)
{
target.root.StopCoroutine(routine);
routine = null;
}
}
void CompareSnapshot(SimpleFirebase target, SimpleDataSnapshot snapshot)
{
if (firstTime)
{
firstTime = false;
lastSnapshot = snapshot;
return;
}
if (!snapshot.RawJson.Equals(lastSnapshot.RawJson))
{
if (OnChange != null)
{
OnChange(firebase, snapshot);
}
}
lastSnapshot = snapshot;
}
protected IEnumerator RequestCoroutine(string url, byte[] postData, Dictionary <string, string> headers, Action <SimpleFirebase, SimpleDataSnapshot> OnSuccess, Action <SimpleFirebase, SimpleFirebaseError> OnFailed)
{
using (WWW www = (headers != null) ? new WWW(url, postData, headers) : (postData != null) ? new WWW(url, postData) : new WWW(url))
{
// Wait until load done
yield return(www);
if (!string.IsNullOrEmpty(www.error))
{
HttpStatusCode status = 0;
string errMessage = "";
// Parse status code
if (www.responseHeaders.ContainsKey("STATUS"))
{
string str = www.responseHeaders["STATUS"] as string;
string[] components = str.Split(' ');
int code = 0;
if (components.Length >= 3 && int.TryParse(components[1], out code))
{
status = (HttpStatusCode)code;
}
}
if (www.error.Contains("crossdomain.xml") || www.error.Contains("Couldn't resolve"))
{
errMessage = "No internet connection or crossdomain.xml policy problem";
}
else
{
// Parse error message
try
{
if (!string.IsNullOrEmpty(www.text))
{
Dictionary <string, object> obj = Json.Deserialize(www.text) as Dictionary <string, object>;
if (obj != null && obj.ContainsKey("error"))
{
errMessage = obj["error"] as string;
}
}
}
catch
{
}
}
if (OnFailed != null)
{
if (string.IsNullOrEmpty(errMessage))
{
errMessage = www.error;
}
if (errMessage.Contains("Failed downloading"))
{
errMessage = "Request failed with no info of error.";
}
OnFailed(this, new SimpleFirebaseError(status, errMessage));
}
#if UNITY_EDITOR
Debug.LogWarning(www.error + " (" + (int)status + ")\nResponse Message: " + errMessage);
#endif
}
else
{
SimpleDataSnapshot snapshot = new SimpleDataSnapshot(www.text);
if (OnSuccess != null)
{
OnSuccess(this, snapshot);
}
}
}
}
protected void OnSuccess(SimpleFirebase sender, SimpleDataSnapshot snapshot)
{
--count;
StartNextCommand();
ClearCallbacks(sender);
}
