(VB.NET) Shopware 6 - Delete Category

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Delete a category by name.

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' This example assumes the Chilkat API to have been previously unlocked.
' See Global Unlock Sample for sample code.

Dim http As New Chilkat.Http
Dim success As Boolean

' First, let's search for the category by name because we'll need to know the category's id to delete.


' Sends the following POST

' POST /api/v3/search/category
' {
'     "filter": [
'         { "type": "equals", "field": "name", "value": "Test123" }
'     ],
'     "includes": {
'         "category": ["id", "name"]
'     }
' }

' Create the above JSON.
' Use this online tool to generate code from sample JSON:
' Generate Code to Create JSON

Dim json As New Chilkat.JsonObject
json.UpdateString("filter[0].type","equals")
json.UpdateString("filter[0].field","name")
json.UpdateString("filter[0].value","Test123")
json.UpdateString("includes.category[0]","id")
json.UpdateString("includes.category[1]","name")


' Load the access token previously obtained in Shopware 6 OAuth2 Client Credentials
Dim jsonToken As New Chilkat.JsonObject
jsonToken.LoadFile("qa_data/tokens/shopware6.json")

' This causes the "Authorization: Bearer <access_token>" header to be added.
http.AuthToken = jsonToken.StringOf("access_token")

' Note: If you get a 401 response status code, then fetch a new access token and retry.
Dim resp As Chilkat.HttpResponse = http.PostJson3("https://my-shopware-6-shop.de/api/v3/search/category","application/json",json)
If (http.LastMethodSuccess = False) Then
    Debug.WriteLine(http.LastErrorText)
    Exit Sub
End If



Dim sbResponseBody As New Chilkat.StringBuilder
resp.GetBodySb(sbResponseBody)
Dim jResp As New Chilkat.JsonObject
jResp.LoadSb(sbResponseBody)
jResp.EmitCompact = False

Debug.WriteLine("Response Body:")
Debug.WriteLine(jResp.Emit())

' If we get a 401 response, it may be that our access token expired and we need to fetch a new one.
Dim respStatusCode As Integer = resp.StatusCode
Debug.WriteLine("Response Status Code = " & respStatusCode)
If (respStatusCode >= 400) Then
    Debug.WriteLine("Response Header:")
    Debug.WriteLine(resp.Header)
    Debug.WriteLine("Failed.")

    Exit Sub
End If



' The response looks like this:
' Use the following online tool to generate parsing code from sample JSON:
' Generate Parsing Code from JSON

' {
'   "data": [
'     {
'       "id": "89c4131789fd422c8f00cf37bbb83330",
'       "type": "category",
'       "attributes": {
'         "name": "Test123",
'         "apiAlias": null
'       },
'       "links": {
'         "self": "https:\/\/***.de\/api\/v3\/category\/89c4131789fd422c8f00cf37bbb83330"
'       },
'       "relationships": [
'       ],
'       "meta": null
'     }
'   ],
'   "included": [
'   ],
'   "links": {
'     "self": "https:\/\/***.de\/api\/v3\/search\/category"
'   },
'   "meta": {
'     "totalCountMode": 0,
'     "total": 1
'   },
'   "aggregations": [
'   ]
' }

Dim numSearchResults As Integer = jResp.SizeOfArray("data")
If (numSearchResults <> 1) Then
    Debug.WriteLine("numSearchResults = " & numSearchResults)
    Debug.WriteLine("Did not find the category, or unexpectedly found more than one with the same name.")
    Exit Sub
End If


Dim categoryId As String = jResp.StringOf("data[0].id")

Debug.WriteLine("Category ID = " & categoryId)

' -----------------------------------------------------------------------------------------------
' Delete this category by the given ID.

' We need to send a DELETE request like this:
' DELETE /api/v3/category/5840ff0975ac428ebf7838359e47737f

Dim sbUrl As New Chilkat.StringBuilder
sbUrl.Append("https://my-shopware-6-shop.de/api/v3/category/")
sbUrl.Append(categoryId)

' If successful (204 response code), then the jsonStr will be empty.
' Otherwise it will be a JSON error message.
Dim jsonStr As String = http.QuickDeleteStr(sbUrl.GetAsString())
If (http.LastMethodSuccess = False) Then
    Debug.WriteLine(http.LastErrorText)
    Exit Sub
End If


' A 204 status code indicates success.
respStatusCode = http.LastStatus
Debug.WriteLine("Response status code for DELETE: " & respStatusCode)

' This will be non-empty if an error occurred.
Debug.WriteLine(jsonStr)