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(Objective-C) Xero Upload File (Files API)

Demonstrates how to upload a file to a Xero folder.

Note: This example requires Chilkat v9.5.0.64 or greater.

Chilkat Objective-C Library Downloads

MAC OS X (Cocoa) Libs

iOS Libs

#import <CkoRest.h>
#import <NSString.h>
#import <CkoStringBuilder.h>
#import <CkoBinData.h>
#import <CkoHttp.h>
#import <CkoJsonObject.h>

// Note: Requires Chilkat v9.5.0.64 or greater.

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

CkoRest *rest = [[CkoRest alloc] init];
BOOL success;

// Before sending REST API calls, the REST object needs to be
// initialized for OAuth1.
// See Xero 2-Legged OAuth1 Setup for sample code.

// Assuming the REST object's OAuth1 authenticator is setup, and the initial
// connection was made, we may now send REST HTTP requests..

// --------------------------------------------------------------
// This example will upload a file to a folder using the Xero FILES API

NSString *folderID = @"0ffca059-f2f1-4271-8de9-4b87c8c2c638";
// This JPG image can be downloaded from https://www.chilkatsoft.com/syncedImages/penguins.jpg
NSString *filename = @"penguins.jpg";

CkoStringBuilder *sbPath = [[CkoStringBuilder alloc] init];
[sbPath Append: @"/files.xro/1.0/Files/{FolderId}"];
int numReplaced = [[sbPath Replace: @"{FolderId}" replacement: folderID] intValue];

[rest AddHeader: @"Content-Type" value: @"image/jpeg"];

// Load the JPG image from a file.
CkoBinData *jpgData = [[CkoBinData alloc] init];
success = [jpgData LoadFile: @"qa_data/jpg/penguins.jpg"];

// We could alternatively get it from a URL like this:
CkoBinData *jpgDataFromWeb = [[CkoBinData alloc] init];
CkoHttp *http = [[CkoHttp alloc] init];
success = [http QuickGetBd: @"https://www.chilkatsoft.com/syncedImages/penguins.jpg" binData: jpgDataFromWeb];
if (success != YES) {
    NSLog(@"%@",http.LastErrorText);
    return;
}

// 
// Put the file data in the 1st sub-part in the multipart/form-data request we'll be sending.
rest.PartSelector = @"1";
[rest SetMultipartBodyBd: jpgData];

// Set request headers in the 1st subpart (as indicated by the PartSelector)
[rest AddHeader: @"Content-Type" value: @"image/jpeg"];
[rest AddHeader: @"Content-Disposition" value: @"multipart/form-data; name=Xero; filename=penguins.jpg"];

// Restore the PartSelector to an empty string.
rest.PartSelector = @"";

[rest AddHeader: @"Content-Type" value: @"multipart/form-data"];

// Upload with a multipart/form-data POST
NSString *responseJson = [rest FullRequestMultipart: @"POST" uriPath: [sbPath GetAsString]];
if (rest.LastMethodSuccess != YES) {
    NSLog(@"%@",rest.LastErrorText);
    return;
}

CkoJsonObject *json = [[CkoJsonObject alloc] init];
[json Load: responseJson];
json.EmitCompact = NO;

// A 201 response is expected for actual success.
// The Xero documentation doesn't explicitly state it, but that's what we've found in testing.
// To be safe, we'll check for either 200 or 201.
if (([rest.ResponseStatusCode intValue] != 200) && ([rest.ResponseStatusCode intValue] != 201)) {
    NSLog(@"%@",[json Emit]);
    return;
}

// Examine the JSON response
NSLog(@"%@",[json Emit]);

// A successful response looks like this:

// 	{ 
// 	  "Name": "penguins.jpg",
// 	  "MimeType": "image/jpeg",
// 	  "Size": 777835,
// 	  "CreatedDateUtc": "2016-11-12T15:31:53.4230000",
// 	  "UpdatedDateUtc": "2016-11-12T15:31:53.4230000",
// 	  "User": { 
// 	    "Name": "admin@chilkatsoft.com",
// 	    "FirstName": "Matthew",
// 	    "LastName": "Smith",
// 	    "FullName": "Matthew Smith",
// 	    "Id": "c362fe42-cb12-461f-b84a-c281c1a74841"
// 	  },
// 	  "FolderId": "0ffca059-f2f1-4271-8de9-4b87c8c2c638",
// 	  "Id": "f042e9a3-a31d-4595-b8b3-6030ea6084bb"
// 	}
 

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