I'm developing an app with an Angular based front-end and an ASP.NET back
end using oData and Oracle. I'm at the point where I'm trying to patch
records on the back end. I'm using generic boilerplate code on the back end
in my controller and the patch method looks like this:
<AcceptVerbs("PATCH", "MERGE")>
Async Function Patch(<FromODataUri> ByVal key As Decimal, ByVal
patchValue As Delta(Of FTP_ORDERS)) As Task(Of IHttpActionResult)
Validate(patchValue.GetEntity())
If Not ModelState.IsValid Then
Return BadRequest(ModelState)
End If
Dim fTP_ORDERS As FTP_ORDERS = Await
db.FTP_ORDERS.FindAsync(key)
If IsNothing(fTP_ORDERS) Then
Return NotFound()
End If
patchValue.Patch(fTP_ORDERS)
Try
Await db.SaveChangesAsync()
Catch ex As DbUpdateConcurrencyException
If Not (FTP_ORDERSExists(key)) Then
Return NotFound()
Else
Throw
End If
End Try
Return Updated(fTP_ORDERS)
End Function
On the Angular side, I'm using $resource based service to send the update.
The code that calls the resource looks like this:
(new FTPOrderService({
"key": vm.ID,
"data": vm
}, vm))
.$patch()
.then(function (data) {
alert("Order Saved!");
},
function (error) {
debugger;
}
);
The service is defined with:
.factory('FTPOrderService', function ($resource) {
var odataUrl = '../odata/FTP_ORDERS';
var results = $resource('', {}, {
'patch': {
method: 'PATCH',
params: {
key: '@key',
},
url: odataUrl + '(:key)'
}
});
return results;
})
I've also tried:
(new FTPOrderService({
"key": vm.ID,
}, vm))
.$patch(vm)
.then(function (data) {
alert("Order Saved!");
},
function (error) {
debugger;
}
);
and get the same results.
I believe that I have configured angular to send the data properly with:
.config(['$httpProvider', function ($httpProvider) {
$httpProvider.defaults.headers.patch = {
'Content-Type': 'application/json;charset=utf-8'
};
}])
The debugger shows that I'm calling the URL with the appropriate key
appended to it in parens and the request payload looks like this:
{key: "1239990990", data: {loading: false, selectedRow: {}, lineItems:
[,…], orderId: "1239990990",…}}
data: {loading: false, selectedRow: {}, lineItems: [,…], orderId:
"1239990990",…}
key: "1239990990"
Any idea of what I'm missing? There are numerous examples out there using
direct calls to $http.post and a few for .patch, but nothing current using
$resource.
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