(C) Create a Google Cloud Storage Bucket

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Demonstrates how to create a Google Cloud Storage bucket.

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#include <C_CkStringBuilder.h>
#include <C_CkJsonObject.h>
#include <C_CkHttp.h>
#include <C_CkHttpResponse.h>
#include <C_CkDateTime.h>

void ChilkatSample(void)
    {
    HCkStringBuilder sbToken;
    HCkJsonObject json;
    HCkHttp http;
    const char *url;
    HCkHttpResponse resp;
    int responseCode;
    HCkJsonObject jsonResp;
    HCkDateTime dt;

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

    // This example uses a previously obtained access token having permission for the 
    // scope "https://www.googleapis.com/auth/cloud-platform"

    // In this example, Get Google Cloud Storage OAuth2 Access Token, 
    // the service account access token was saved to a text file.  This example fetches the access token from the file..
    sbToken = CkStringBuilder_Create();
    CkStringBuilder_LoadFile(sbToken,"qa_data/tokens/googleCloudStorageAccessToken.txt","utf-8");

    // ---- Step 1
    // Create a JSON that contains the following information, replacing [VALUES_IN_BRACKETS] with the appropriate values:

    // {
    //   "name": "[BUCKET_NAME]",
    //   "location": "[BUCKET_LOCATION]",
    //   "storageClass": "[STORAGE_CLASS]"
    // }

    json = CkJsonObject_Create();
    CkJsonObject_UpdateString(json,"name","chilkat-ocean");
    CkJsonObject_UpdateString(json,"location","us");
    CkJsonObject_UpdateString(json,"storageClass","multi_regional");

    // ---- Step 2
    // Send a POST equivalent to this curl command

    // curl -X POST --data-binary @[JSON_FILE_NAME].json \
    //      -H "Authorization: Bearer [OAUTH2_TOKEN]" \
    //      -H "Content-Type: application/json" \
    //      "https://www.googleapis.com/storage/v1/b?project=[PROJECT_ID]"

    http = CkHttp_Create();
    CkHttp_putAuthToken(http,CkStringBuilder_getAsString(sbToken));

    CkHttp_SetUrlVar(http,"project_id","chilkat-176611");
    url = "https://www.googleapis.com/storage/v1/b?project={$project_id}";
    resp = CkHttp_PostJson3(http,url,"application/json",json);
    if (CkHttp_getLastMethodSuccess(http) == FALSE) {
        printf("%s\n",CkHttp_lastErrorText(http));
        CkStringBuilder_Dispose(sbToken);
        CkJsonObject_Dispose(json);
        CkHttp_Dispose(http);
        return;
    }

    responseCode = CkHttpResponse_getStatusCode(resp);
    if (responseCode == 401) {
        printf("%s\n",CkHttpResponse_bodyStr(resp));
        printf("If invalid credentials, then it is likely the access token expired.\n");
        printf("Your app should automatically fetch a new access token and re-try.\n");
        CkHttpResponse_Dispose(resp);
        CkStringBuilder_Dispose(sbToken);
        CkJsonObject_Dispose(json);
        CkHttp_Dispose(http);
        return;
    }

    printf("Response code: %d\n",responseCode);
    printf("Response body\n");
    printf("%s\n",CkHttpResponse_bodyStr(resp));

    // A successful response looks like this:
    // Response code: 200
    // Response body
    // {
    //  "kind": "storage#bucket",
    //  "id": "chilkat-ocean",
    //  "selfLink": "https://www.googleapis.com/storage/v1/b/chilkat-ocean",
    //  "projectNumber": "933037264567",
    //  "name": "chilkat-ocean",
    //  "timeCreated": "2017-08-13T12:27:10.811Z",
    //  "updated": "2017-08-13T12:27:10.811Z",
    //  "metageneration": "1",
    //  "location": "US",
    //  "storageClass": "MULTI_REGIONAL",
    //  "etag": "CAE="
    // }
    // 

    // Parse the JSON response:
    jsonResp = CkJsonObject_Create();
    CkJsonObject_Load(jsonResp,CkHttpResponse_bodyStr(resp));

    printf("name: %s\n",CkJsonObject_stringOf(jsonResp,"name"));
    printf("timeCreated: %s\n",CkJsonObject_stringOf(jsonResp,"timeCreated"));

    CkHttpResponse_Dispose(resp);

    // Parse the date/time created.
    dt = CkDateTime_Create();
    CkDateTime_SetFromTimestamp(dt,CkJsonObject_stringOf(jsonResp,"timeCreated"));
    // ...


    CkStringBuilder_Dispose(sbToken);
    CkJsonObject_Dispose(json);
    CkHttp_Dispose(http);
    CkJsonObject_Dispose(jsonResp);
    CkDateTime_Dispose(dt);

    }