(VB.NET) GeoOp - Export Clients to CSV

Export client data to a CSV.

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

' This example also assumes an OAuth2 access token was previously fetched.
' and saved in a JSON file.  

' First get our previously obtained access token.
' {"access_token":"e6dqdG....mzjpT04w==","token_type":"Bearer","expires_in":2592000,"owner_id":999236}
Dim jsonToken As New Chilkat.JsonObject
Dim success As Boolean = jsonToken.LoadFile("qa_data/tokens/geoop.json")

' This example assumes we previously obtained an access token
Dim oauth2 As New Chilkat.OAuth2
oauth2.AccessToken = jsonToken.StringOf("access_token")

Dim rest As New Chilkat.Rest

' Connect to GeoOp and send the following GET request:

' GET /users HTTP/1.1
' Host: api.geoop.com
Dim bAutoReconnect As Boolean = True
success = rest.Connect("api.geoop.com",443,True,bAutoReconnect)
If (success <> True) Then
    Debug.WriteLine(rest.LastErrorText)
    Exit Sub
End If


' Provide the authentication credentials (i.e. the access token)
rest.SetAuthOAuth2(oauth2)

' Set the X-Version header.
rest.AddHeader("X-Version","1.0")

Dim responseBody As String = rest.FullRequestNoBody("GET","/clients")
If (rest.LastMethodSuccess <> True) Then
    Debug.WriteLine(rest.LastErrorText)
    Exit Sub
End If


Dim json As New Chilkat.JsonObject
json.EmitCompact = False

' If the response status code did not indicate success, then see what happened..
If (rest.ResponseStatusCode <> 200) Then
    Debug.WriteLine("Request Header: ")
    Debug.WriteLine(rest.LastRequestHeader)
    Debug.WriteLine("----")
    Debug.WriteLine("Response StatusCode = " & rest.ResponseStatusCode)
    Debug.WriteLine("Response StatusLine: " & rest.ResponseStatusText)
    Debug.WriteLine("Response Header:")
    Debug.WriteLine(rest.ResponseHeader)
    json.Load(responseBody)
    Debug.WriteLine(json.Emit())
    Exit Sub
End If


json.Load(responseBody)
' Show the full JSON response.. (see below)
Debug.WriteLine(json.Emit())
Debug.WriteLine("---")

Dim csv As New Chilkat.Csv
csv.HasColumnNames = True
csv.SetColumnName(0,"id")
csv.SetColumnName(1,"companyName")
csv.SetColumnName(2,"businessType")
csv.SetColumnName(3,"account_id")
csv.SetColumnName(4,"address_line1")
csv.SetColumnName(5,"address_city")
csv.SetColumnName(6,"address_postcode")

' Iterate over each client and populate the CSV...
Dim numRecords As Integer = json.SizeOfArray("clients")
Dim i As Integer = 0
While i < numRecords

    json.I = i
    csv.SetCellByName(i,"id",json.StringOf("clients[i].id"))
    csv.SetCellByName(i,"companyName",json.StringOf("clients[i].companyName"))
    csv.SetCellByName(i,"businessType",json.StringOf("clients[i].businessType"))
    csv.SetCellByName(i,"account_id",json.StringOf("clients[i].account.id"))
    csv.SetCellByName(i,"address_line1",json.StringOf("clients[i].address.line1"))
    csv.SetCellByName(i,"address_city",json.StringOf("clients[i].address.city"))
    csv.SetCellByName(i,"address_postcode",json.StringOf("clients[i].address.postcode"))
    i = i + 1
End While

' Show the CSV.
Debug.WriteLine(csv.SaveToString())

' Save the CSV.
csv.SaveFile("qa_output/clients.csv")

' ---------------------------------------------------------------------
' The full JSON response containing all client data:
' 
' 	{
' 	  "result": "success",
' 	  "clients": [
' 	    {
' 	      "id": 9555868,
' 	      "firstName": "[ Demo",
' 	      "lastName": "Client ]",
' 	      "companyName": "Miller Park Cafe",
' 	      "businessType": "Licensed Restaurant",
' 	      "leadSource": "",
' 	      "emailAddress": null,
' 	      "phoneNumber": null,
' 	      "mobileNumber": null,
' 	      "faxNumber": null,
' 	      "notes": "",
' 	      "deleted": false,
' 	      "hasRecentJobs": true,
' 	      "created": "2016-10-26T12:05:09+00:00",
' 	      "modified": "2016-10-26T12:05:09+00:00",
' 	      "billingClient": null,
' 	      "account": {
' 	        "id": 39409
' 	      },
' 	      "address": {
' 	        "line1": "1732 Pennsylvania Avenue NW",
' 	        "line2": "",
' 	        "city": "Washington",
' 	        "postcode": "20006",
' 	        "latitude": 38.899037,
' 	        "longitude": -77.040207
' 	      },
' 	      "mailingAddress": {}
' 	    },
' 	    {
' 	      "id": 9571176,
' 	      "firstName": "Mildred",
' 	      "lastName": "Vanildred",
' 	      "companyName": "Ice Cream Industries",
' 	      "businessType": "Ice Cream",
' 	      "leadSource": null,
' 	      "emailAddress": "milli@icecreamindustries.com",
' 	      "phoneNumber": "678-555-1012",
' 	      "mobileNumber": null,
' 	      "faxNumber": null,
' 	      "notes": "",
' 	      "deleted": false,
' 	      "hasRecentJobs": true,
' 	      "created": "2016-10-31T12:32:12+00:00",
' 	      "modified": "2016-10-31T12:32:13+00:00",
' 	      "billingClient": null,
' 	      "account": {
' 	        "id": 39409
' 	      },
' 	      "address": {
' 	        "line1": "2101 West Roosevelt Road",
' 	        "line2": null,
' 	        "city": "Wheaton",
' 	        "postcode": "60187",
' 	        "latitude": 41.8581778,
' 	        "longitude": -88.1380111
' 	      },
' 	      "mailingAddress": {
' 	        "line1": "2101 West Roosevelt Road",
' 	        "line2": null,
' 	        "city": "Wheaton"
' 	      }
' 	    },
' 	    {
' 	      "id": 9571218,
' 	      "firstName": "Joe",
' 	      "lastName": "Miller",
' 	      "companyName": "Miller Bakery",
' 	      "businessType": "Licensed Bakery",
' 	      "leadSource": "",
' 	      "emailAddress": null,
' 	      "phoneNumber": null,
' 	      "mobileNumber": null,
' 	      "faxNumber": null,
' 	      "notes": "",
' 	      "deleted": false,
' 	      "hasRecentJobs": true,
' 	      "created": "2016-10-31T13:02:07+00:00",
' 	      "modified": "2016-10-31T13:02:07+00:00",
' 	      "billingClient": null,
' 	      "account": {
' 	        "id": 39409
' 	      },
' 	      "address": {
' 	        "line1": "1832 Pennsylvania Avenue NW",
' 	        "line2": "",
' 	        "city": "Washington",
' 	        "postcode": "20006",
' 	        "latitude": 0,
' 	        "longitude": 0
' 	      },
' 	      "mailingAddress": {
' 	        "line1": "",
' 	        "line2": "",
' 	        "city": ""
' 	      }
' 	    }
' 	  ],
' 	  "metadata": {
' 	    "page": 1,
' 	    "pagesCount": 1,
' 	    "recordsPerPage": 20,
' 	    "recordsCount": 3
' 	  }
' 	}
'