Chilkat Online Tools

Xojo / Salesforce Platform APIs / Accounts with Cursors (Pagination)

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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

// Use this online tool to generate code from sample JSON: Generate Code to Create JSON

// The following JSON is sent in the request body.

// {
//   "query": "query accountsWithCursors($first: Int, $after: String) {\n  uiapi {\n    query {\n      Account(first: $first, after: $after) {\n        edges {\n          node {\n            Id\n            Name {\n              value\n            }\n          }\n        }\n        totalCount\n        pageInfo {\n          hasNextPage\n          hasPreviousPage\n          startCursor\n          endCursor\n        }\n      }\n    }\n  }\n}",
//   "variables": "{\n    \"first\": 3,\n    \"after\": null\n}"
// }

Dim json As New Chilkat.JsonObject
success = json.UpdateString("query","query accountsWithCursors($first: Int, $after: String) {" + EndOfLine.Unix + "  uiapi {" + EndOfLine.Unix + "    query {" + EndOfLine.Unix + "      Account(first: $first, after: $after) {" + EndOfLine.Unix + "        edges {" + EndOfLine.Unix + "          node {" + EndOfLine.Unix + "            Id" + EndOfLine.Unix + "            Name {" + EndOfLine.Unix + "              value" + EndOfLine.Unix + "            }" + EndOfLine.Unix + "          }" + EndOfLine.Unix + "        }" + EndOfLine.Unix + "        totalCount" + EndOfLine.Unix + "        pageInfo {" + EndOfLine.Unix + "          hasNextPage" + EndOfLine.Unix + "          hasPreviousPage" + EndOfLine.Unix + "          startCursor" + EndOfLine.Unix + "          endCursor" + EndOfLine.Unix + "        }" + EndOfLine.Unix + "      }" + EndOfLine.Unix + "    }" + EndOfLine.Unix + "  }" + EndOfLine.Unix + "}")
success = json.UpdateString("variables","{" + EndOfLine.Unix + "    ""first"": 3," + EndOfLine.Unix + "    ""after"": null" + EndOfLine.Unix + "}")

// Adds the "Authorization: Bearer <access_token>" header.
http.AuthToken = "<access_token>"
http.SetRequestHeader "X-Chatter-Entity-Encoding","false"

Dim resp As Chilkat.HttpResponse
resp = http.PostJson3("https://domain.com/services/data/v{{version}}/graphql","application/json",json)
If (http.LastMethodSuccess = False) Then
    System.DebugLog(http.LastErrorText)
    Return
End If

Dim sbResponseBody As New Chilkat.StringBuilder
success = resp.GetBodySb(sbResponseBody)

Dim jResp As New Chilkat.JsonObject
success = jResp.LoadSb(sbResponseBody)
jResp.EmitCompact = False

System.DebugLog("Response Body:")
System.DebugLog(jResp.Emit())

Dim respStatusCode As Int32
respStatusCode = resp.StatusCode
System.DebugLog("Response Status Code = " + Str(respStatusCode))
If (respStatusCode >= 400) Then
    System.DebugLog("Response Header:")
    System.DebugLog(resp.Header)
    System.DebugLog("Failed.")

    Return
End If

// Sample JSON response:
// (Sample code for parsing the JSON response is shown below)

// {
//   "data": {
//     "uiapi": {
//       "query": {
//         "Account": {
//           "edges": [
//             {
//               "node": {
//                 "Id": "0014H00004CXfY8QAL",
//                 "Name": {
//                   "value": "An Account"
//                 }
//               }
//             },
//             {
//               "node": {
//                 "Id": "0014H00002E6wi6QAB",
//                 "Name": {
//                   "value": "Sample Account"
//                 }
//               }
//             },
//             {
//               "node": {
//                 "Id": "0014H00002x6HUhQAM",
//                 "Name": {
//                   "value": "ACME Inc."
//                 }
//               }
//             }
//           ],
//           "totalCount": 524,
//           "pageInfo": {
//             "hasNextPage": true,
//             "hasPreviousPage": false,
//             "startCursor": "djE6MA==",
//             "endCursor": "djE6Mg=="
//           }
//         }
//       }
//     }
//   },
//   "errors": [
//   ]
// }

// Sample code for parsing the JSON response...
// Use this online tool to generate parsing code from sample JSON: Generate JSON Parsing Code

Dim Id As String
Dim Value As String

Dim TotalCount As Int32
TotalCount = jResp.IntOf("data.uiapi.query.Account.totalCount")
Dim HasNextPage As Boolean
HasNextPage = jResp.BoolOf("data.uiapi.query.Account.pageInfo.hasNextPage")
Dim HasPreviousPage As Boolean
HasPreviousPage = jResp.BoolOf("data.uiapi.query.Account.pageInfo.hasPreviousPage")
Dim StartCursor As String
StartCursor = jResp.StringOf("data.uiapi.query.Account.pageInfo.startCursor")
Dim EndCursor As String
EndCursor = jResp.StringOf("data.uiapi.query.Account.pageInfo.endCursor")
Dim i As Int32
i = 0
Dim count_i As Int32
count_i = jResp.SizeOfArray("data.uiapi.query.Account.edges")
While i < count_i
    jResp.I = i
    Id = jResp.StringOf("data.uiapi.query.Account.edges[i].node.Id")
    Value = jResp.StringOf("data.uiapi.query.Account.edges[i].node.Name.value")
    i = i + 1
Wend
i = 0
count_i = jResp.SizeOfArray("errors")
While i < count_i
    jResp.I = i
    i = i + 1
Wend

Curl Command

curl -X POST
	-H "Authorization: Bearer <access_token>"
	-H "X-Chatter-Entity-Encoding: false"
	--data-raw '{"query":"query accountsWithCursors($first: Int, $after: String) {\n  uiapi {\n    query {\n      Account(first: $first, after: $after) {\n        edges {\n          node {\n            Id\n            Name {\n              value\n            }\n          }\n        }\n        totalCount\n        pageInfo {\n          hasNextPage\n          hasPreviousPage\n          startCursor\n          endCursor\n        }\n      }\n    }\n  }\n}","variables":"{\n    \"first\": 3,\n    \"after\": null\n}"}'
https://domain.com/services/data/v{{version}}/graphql

Postman Collection Item JSON

{
  "name": "Accounts with Cursors (Pagination)",
  "request": {
    "method": "POST",
    "header": [
      {
        "key": "X-Chatter-Entity-Encoding",
        "value": "false",
        "type": "text"
      }
    ],
    "body": {
      "mode": "graphql",
      "graphql": {
        "query": "query accountsWithCursors($first: Int, $after: String) {\n  uiapi {\n    query {\n      Account(first: $first, after: $after) {\n        edges {\n          node {\n            Id\n            Name {\n              value\n            }\n          }\n        }\n        totalCount\n        pageInfo {\n          hasNextPage\n          hasPreviousPage\n          startCursor\n          endCursor\n        }\n      }\n    }\n  }\n}",
        "variables": "{\n    \"first\": 3,\n    \"after\": null\n}"
      }
    },
    "url": {
      "raw": "{{_endpoint}}/services/data/v{{version}}/graphql",
      "host": [
        "{{_endpoint}}"
      ],
      "path": [
        "services",
        "data",
        "v{{version}}",
        "graphql"
      ]
    }
  },
  "response": [
    {
      "name": "Accounts with Cursors (Pagination)",
      "originalRequest": {
        "method": "POST",
        "header": [
          {
            "key": "X-Chatter-Entity-Encoding",
            "value": "false"
          }
        ],
        "body": {
          "mode": "graphql",
          "graphql": {
            "query": "query accountsWithCursors($first: Int, $after: String) {\n  uiapi {\n    query {\n      Account(first: $first, after: $after) {\n        edges {\n          node {\n            Id\n            Name {\n              value\n            }\n          }\n        }\n        totalCount\n        pageInfo {\n          hasNextPage\n          hasPreviousPage\n          startCursor\n          endCursor\n        }\n      }\n    }\n  }\n}",
            "variables": "{\n    \"first\": 3,\n    \"after\": null\n}"
          }
        },
        "url": {
          "raw": "{{_endpoint}}/services/data/v{{version}}/graphql",
          "host": [
            "{{_endpoint}}"
          ],
          "path": [
            "services",
            "data",
            "v{{version}}",
            "graphql"
          ]
        }
      },
      "status": "OK",
      "code": 200,
      "_postman_previewlanguage": "json",
      "header": [
        {
          "key": "Date",
          "value": "Fri, 06 Oct 2023 09:05:20 GMT"
        },
        {
          "key": "Strict-Transport-Security",
          "value": "max-age=63072000; includeSubDomains"
        },
        {
          "key": "X-Content-Type-Options",
          "value": "nosniff"
        },
        {
          "key": "X-Robots-Tag",
          "value": "none"
        },
        {
          "key": "Cache-Control",
          "value": "no-cache,must-revalidate,max-age=0,no-store,private"
        },
        {
          "key": "Content-Type",
          "value": "application/json;charset=UTF-8"
        },
        {
          "key": "Vary",
          "value": "Accept-Encoding"
        },
        {
          "key": "Content-Encoding",
          "value": "gzip"
        },
        {
          "key": "Transfer-Encoding",
          "value": "chunked"
        }
      ],
      "cookie": [
      ],
      "body": "{\n    \"data\": {\n        \"uiapi\": {\n            \"query\": {\n                \"Account\": {\n                    \"edges\": [\n                        {\n                            \"node\": {\n                                \"Id\": \"0014H00004CXfY8QAL\",\n                                \"Name\": {\n                                    \"value\": \"An Account\"\n                                }\n                            }\n                        },\n                        {\n                            \"node\": {\n                                \"Id\": \"0014H00002E6wi6QAB\",\n                                \"Name\": {\n                                    \"value\": \"Sample Account\"\n                                }\n                            }\n                        },\n                        {\n                            \"node\": {\n                                \"Id\": \"0014H00002x6HUhQAM\",\n                                \"Name\": {\n                                    \"value\": \"ACME Inc.\"\n                                }\n                            }\n                        }\n                    ],\n                    \"totalCount\": 524,\n                    \"pageInfo\": {\n                        \"hasNextPage\": true,\n                        \"hasPreviousPage\": false,\n                        \"startCursor\": \"djE6MA==\",\n                        \"endCursor\": \"djE6Mg==\"\n                    }\n                }\n            }\n        }\n    },\n    \"errors\": []\n}"
    }
  ]
}