Objective-C

Google Cloud SQL - Stop Database Instance

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Demonstrates how to stop a Google Cloud SQL database instance. Objective-C

#import <CkoStringBuilder.h>
#import <CkoHttp.h>
#import <CkoJsonObject.h>
#import <CkoHttpResponse.h>
#import <NSString.h>

BOOL success = NO;

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

// In this example, Get Google Cloud SQL OAuth2 Access Token, 
// the service account access token was saved to a text file.  This example fetches the access token from the file..
CkoStringBuilder *sbToken = [[CkoStringBuilder alloc] init];
[sbToken LoadFile: @"qa_data/tokens/google_cloud_sql_access_token.txt" charset: @"utf-8"];

CkoHttp *http = [[CkoHttp alloc] init];

// Implements the following CURL command:

// curl -X PATCH \
// -H "Authorization: Bearer "$(gcloud auth print-access-token) \
// -H "Content-Type: application/json; charset=utf-8" \
// -d '{
//   "settings": {
//     "activationPolicy": "NEVER" 
//   }
// }' \
// https://www.googleapis.com/sql/v1beta4/projects/project-id/instances/instance-id

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

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

// {
//   "settings": {
//     "activationPolicy": "NEVER"
//   }
// }

CkoJsonObject *json = [[CkoJsonObject alloc] init];
[json UpdateString: @"settings.activationPolicy" value: @"NEVER"];

// Causes the "Authorization: Bearer "$(gcloud auth print-access-token)" header to be added.
http.AuthToken = [sbToken GetAsString];

[http SetRequestHeader: @"Content-Type" value: @"application/json; charset=utf-8"];

CkoStringBuilder *sbRequestBody = [[CkoStringBuilder alloc] init];
[json EmitSb: sbRequestBody];

// Replace "project-id" with your actual Google project ID.
// Replace "instance-id" with your database instance ID, which is the name of your database.  (For example, when I created my test database I named it "chilkat", and therefore my instance-id is "chilkat".)
CkoHttpResponse *resp = [[CkoHttpResponse alloc] init];
success = [http HttpSb: @"PATCH" url: @"https://www.googleapis.com/sql/v1beta4/projects/project-id/instances/instance-id" sb: sbRequestBody charset: @"utf-8" contentType: @"application/json" response: resp];
if (success == NO) {
    NSLog(@"%@",http.LastErrorText);
    return;
}

CkoStringBuilder *sbResponseBody = [[CkoStringBuilder alloc] init];
[resp GetBodySb: sbResponseBody];
CkoJsonObject *jResp = [[CkoJsonObject alloc] init];
[jResp LoadSb: sbResponseBody];
jResp.EmitCompact = NO;

NSLog(@"%@",@"Response Body:");
NSLog(@"%@",[jResp Emit]);

int respStatusCode = [resp.StatusCode intValue];
NSLog(@"%@%d",@"Response Status Code = ",respStatusCode);
if (respStatusCode == 401) {
    NSLog(@"%@",@"It may be that your access token expired.");
    NSLog(@"%@",@"Try refreshing the access token by re-fetching it.");
}

if (respStatusCode >= 400) {
    NSLog(@"%@",@"Response Header:");
    NSLog(@"%@",resp.Header);
    NSLog(@"%@",@"Failed.");
    return;
}

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

// {
//   "kind": "sql#operation",
//   "targetLink": "https://www.googleapis.com/sql/v1beta4/projects/project-id/instances/instance-id",
//   "status": "PENDING",
//   "user": "user@example.com",
//   "insertTime": "2020-01-20T21:30:35.667Z",
//   "operationType": "UPDATE",
//   "name": "operation-id",
//   "targetId": "instance-id",
//   "selfLink": "https://www.googleapis.com/sql/v1beta4/projects/project-id/operations/operation-id",
//   "targetProject": "project-id"
// }

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

NSString *kind = [jResp StringOf: @"kind"];
NSString *targetLink = [jResp StringOf: @"targetLink"];
NSString *status = [jResp StringOf: @"status"];
NSString *user = [jResp StringOf: @"user"];
NSString *insertTime = [jResp StringOf: @"insertTime"];
NSString *operationType = [jResp StringOf: @"operationType"];
NSString *name = [jResp StringOf: @"name"];
NSString *targetId = [jResp StringOf: @"targetId"];
NSString *selfLink = [jResp StringOf: @"selfLink"];
NSString *targetProject = [jResp StringOf: @"targetProject"];