Chilkat Online Tools

UpdateFunction Node.js Example

AWS AppSync

var os = require('os');
if (os.platform() == 'win32') {  
    if (os.arch() == 'ia32') {
        var chilkat = require('@chilkat/ck-node17-win-ia32');
    } else {
        var chilkat = require('@chilkat/ck-node17-win64'); 
    }
} else if (os.platform() == 'linux') {
    if (os.arch() == 'arm') {
        var chilkat = require('@chilkat/ck-node17-arm');
    } else if (os.arch() == 'x86') {
        var chilkat = require('@chilkat/ck-node17-linux32');
    } else {
        var chilkat = require('@chilkat/ck-node17-linux64');
    }
} else if (os.platform() == 'darwin') {
    var chilkat = require('@chilkat/ck-node17-macosx');
}

function chilkatExample() {

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

    var rest = new chilkat.Rest();
    var success;

    var authAws = new chilkat.AuthAws();
    authAws.AccessKey = "AWS_ACCESS_KEY";
    authAws.SecretKey = "AWS_SECRET_KEY";

    // Don't forget to change the region to your particular region. (Also make the same change in the call to Connect below.)
    authAws.Region = "us-west-2";
    authAws.ServiceName = "appsync";
    // SetAuthAws causes Chilkat to automatically add the following headers: Authorization, X-Amz-Date
    rest.SetAuthAws(authAws);

    // URL: https://appsync.us-west-2.amazonaws.com/
    // Use the same region as specified above.
    success = rest.Connect("appsync.us-west-2.amazonaws.com",443,true,true);
    if (success !== true) {
        console.log("ConnectFailReason: " + rest.ConnectFailReason);
        console.log(rest.LastErrorText);
        return;
    }

    // The following code creates the JSON request body.
    // The JSON created by this code is shown below.

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

    var json = new chilkat.JsonObject();
    json.UpdateString("dataSourceName","string");
    json.UpdateString("description","string");
    json.UpdateString("functionVersion","string");
    json.UpdateInt("maxBatchSize",123);
    json.UpdateString("name","string");
    json.UpdateString("requestMappingTemplate","string");
    json.UpdateString("responseMappingTemplate","string");
    json.UpdateString("syncConfig.conflictDetection","string");
    json.UpdateString("syncConfig.conflictHandler","string");
    json.UpdateString("syncConfig.lambdaConflictHandlerConfig.lambdaConflictHandlerArn","string");

    // The JSON request body created by the above code:

    // {
    //   "dataSourceName": "string",
    //   "description": "string",
    //   "functionVersion": "string",
    //   "maxBatchSize": number,
    //   "name": "string",
    //   "requestMappingTemplate": "string",
    //   "responseMappingTemplate": "string",
    //   "syncConfig": {
    //     "conflictDetection": "string",
    //     "conflictHandler": "string",
    //     "lambdaConflictHandlerConfig": {
    //       "lambdaConflictHandlerArn": "string"
    //     }
    //   }
    // }

    rest.AddHeader("Content-Type","application/x-amz-json-1.1");
    rest.AddHeader("X-Amz-Target","UpdateFunction");

    var sbRequestBody = new chilkat.StringBuilder();
    json.EmitSb(sbRequestBody);
    var sbResponseBody = new chilkat.StringBuilder();
    success = rest.FullRequestSb("POST","/v1/apis/{apiId}/functions/{functionId}",sbRequestBody,sbResponseBody);
    if (success !== true) {
        console.log(rest.LastErrorText);
        return;
    }

    var respStatusCode = rest.ResponseStatusCode;
    console.log("response status code = " + respStatusCode);
    if (respStatusCode !== 200) {
        console.log("Response Header:");
        console.log(rest.ResponseHeader);
        console.log("Response Body:");
        console.log(sbResponseBody.GetAsString());
        return;
    }

    var jResp = new chilkat.JsonObject();
    jResp.LoadSb(sbResponseBody);

    // The following code parses the JSON response.
    // A sample JSON response is shown below the sample code.

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

    var DataSourceName = jResp.StringOf("functionConfiguration.dataSourceName");
    var Description = jResp.StringOf("functionConfiguration.description");
    var FunctionArn = jResp.StringOf("functionConfiguration.functionArn");
    var FunctionId = jResp.StringOf("functionConfiguration.functionId");
    var FunctionVersion = jResp.StringOf("functionConfiguration.functionVersion");
    var MaxBatchSize = jResp.IntOf("functionConfiguration.maxBatchSize");
    var Name = jResp.StringOf("functionConfiguration.name");
    var RequestMappingTemplate = jResp.StringOf("functionConfiguration.requestMappingTemplate");
    var ResponseMappingTemplate = jResp.StringOf("functionConfiguration.responseMappingTemplate");
    var ConflictDetection = jResp.StringOf("functionConfiguration.syncConfig.conflictDetection");
    var ConflictHandler = jResp.StringOf("functionConfiguration.syncConfig.conflictHandler");
    var LambdaConflictHandlerArn = jResp.StringOf("functionConfiguration.syncConfig.lambdaConflictHandlerConfig.lambdaConflictHandlerArn");

    // A sample JSON response body parsed by the above code:

    // {
    //   "functionConfiguration": {
    //     "dataSourceName": "string",
    //     "description": "string",
    //     "functionArn": "string",
    //     "functionId": "string",
    //     "functionVersion": "string",
    //     "maxBatchSize": number,
    //     "name": "string",
    //     "requestMappingTemplate": "string",
    //     "responseMappingTemplate": "string",
    //     "syncConfig": {
    //       "conflictDetection": "string",
    //       "conflictHandler": "string",
    //       "lambdaConflictHandlerConfig": {
    //         "lambdaConflictHandlerArn": "string"
    //       }
    //     }
    //   }
    // }

}

chilkatExample();