Synnefo » Pithos iOS Client

//

//  GetImagesRequest.m

//  OpenStack

//

//  Created by Mike Mayo on 12/31/10.

//  The OpenStack project is provided under the Apache 2.0 license.

//

#import "GetImagesRequest.h"

#import "OpenStackAccount.h"

#import "AccountManager.h"

#import "Image.h"

@implementation GetImagesRequest

+ (id)request:(OpenStackAccount *)account method:(NSString *)method url:(NSURL *)url {

	GetImagesRequest *request = [[[GetImagesRequest alloc] initWithURL:url] autorelease];

    request.account = account;

	[request setRequestMethod:method];

	[request addRequestHeader:@"X-Auth-Token" value:[account authToken]];

    [request addRequestHeader:@"Content-Type" value:@"application/json"];

    [request setTimeOutSeconds:40];

	return request;

}

+ (id)serversRequest:(OpenStackAccount *)account method:(NSString *)method path:(NSString *)path {

    NSString *now = [[[NSDate date] description] stringByAddingPercentEscapesUsingEncoding:NSUTF8StringEncoding];

    NSLog(@"account servers url: %@", account.serversURL);

	NSURL *url = [NSURL URLWithString:[NSString stringWithFormat:@"%@%@?now=%@", account.serversURL, path, now]];

    return [GetImagesRequest request:account method:method url:url];

}

+ (GetImagesRequest *)request:(OpenStackAccount *)account {

    GetImagesRequest *request = [GetImagesRequest serversRequest:account method:@"GET" path:@"/images/detail"];

    request.account = account;

    return request;

}

- (void)requestFinished {

    if ([self isSuccess]) {

        // go through results and add, rather than full replace. this way we'll keep correct OS logos

        // for servers with deprecated images

        NSMutableDictionary *newImages = [[NSMutableDictionary alloc] initWithDictionary:[self images]];

        if (!self.account.images) {

            self.account.images = [NSMutableDictionary dictionaryWithCapacity:[newImages count]];

        }

        // set them all to unlaunchable, then we'll update them

        for (Image *image in [self.account.images allValues]) {

            if ([image isKindOfClass:[Image class]]) {

                image.canBeLaunched = NO;

            }

        }

        for (Image *image in [newImages allValues]) {

            Image *newImage = [self.account.images objectForKey:image.identifier];

            if (newImage) {

                if ([newImage isKindOfClass:[Image class]]) {

                    newImage.canBeLaunched = YES;

                }

            } else {

                if ([image isKindOfClass:[Image class]]) {

                    image.canBeLaunched = YES;

                    [self.account.images setObject:image forKey:image.identifier];

                }

            }

        }

        [newImages release];

        [self.account persist];

        [self.account.manager notify:@"getImagesSucceeded" request:self object:self.account];

    } else {

        [self.account.manager notify:@"getImagesFailed" request:self object:self.account];

    }

    [super requestFinished];

}

- (void)failWithError:(NSError *)theError {

    [self.account.manager notify:@"getImagesFailed" request:self object:self.account];

    [super failWithError:theError];

}

@end