Synnefo » Pithos iOS Client

//

//  Object.m

//  OpenStack

//

//  Created by Mike Mayo on 12/7/10.

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

//

#import "StorageObject.h"

#import "ComputeModel.h"

#import "NSObject+NSCoding.h"

@implementation StorageObject

@synthesize name, fullPath, hash, bytes, contentType, lastModified, data, metadata;

#pragma mark -

#pragma mark Serialization

- (void)encodeWithCoder:(NSCoder *)coder {

    [self autoEncodeWithCoder:coder];

    /*

    [coder encodeObject:name forKey:@"name"];

    [coder encodeObject:fullPath forKey:@"fullPath"];

    [coder encodeObject:hash forKey:@"hash"];

    [coder encodeInt:bytes forKey:@"bytes"];

    [coder encodeObject:contentType forKey:@"contentType"];

    [coder encodeObject:lastModified forKey:@"lastModified"];

    // not persisting data to save space

    [coder encodeObject:metadata forKey:@"metadata"];

     */

}

- (id)initWithCoder:(NSCoder *)coder {

    self = [super init];

    if (self) {

        [self autoDecode:coder];

        /*

        name = [[coder decodeObjectForKey:@"name"] retain];

        fullPath = [[coder decodeObjectForKey:@"fullPath"] retain];

        hash = [[coder decodeObjectForKey:@"hash"] retain];

        bytes = [coder decodeIntForKey:@"bytes"];

        contentType = [[coder decodeObjectForKey:@"contentType"] retain];

        lastModified = [[coder decodeObjectForKey:@"lastModified"] retain];

        data = [[coder decodeObjectForKey:@"data"] retain];

        metadata = [[coder decodeObjectForKey:@"metadata"] retain];

         */

    }

    return self;

}

#pragma mark -

#pragma mark JSON

+ (StorageObject *)fromJSON:(NSDictionary *)dict {

    StorageObject *object = [[[StorageObject alloc] init] autorelease];

    object.name = [dict objectForKey:@"name"]; // this may be shortened by folder parsing later

    object.fullPath = [dict objectForKey:@"name"];

    object.hash = [dict objectForKey:@"hash"];

    object.bytes = [[dict objectForKey:@"bytes"] intValue];

    object.contentType = [dict objectForKey:@"content_type"];

    object.lastModified = [ComputeModel dateFromString:[dict objectForKey:@"last_modified"]];

    object.metadata = [NSMutableDictionary dictionary];

    for (NSString *key in dict) {

        if ([key hasPrefix:@"x_object_meta_"]) {

            NSString *metadataKey = [key substringFromIndex:14];

            [object.metadata setObject:[dict objectForKey:key] forKey:metadataKey];

        }

    }

    return object;

}

#pragma mark -

#pragma mark Presentation

-(NSString *)humanizedBytes {

	NSString *result;	

	if (self.bytes >= 1024000000) {

		result = [NSString stringWithFormat:@"%.2f GiB", self.bytes / 1024000000.0];

	} else if (self.bytes >= 1024000) {

		result = [NSString stringWithFormat:@"%.2f MiB", self.bytes / 1024000.0];

	} else if (self.bytes >= 1024) {

		result = [NSString stringWithFormat:@"%.2f KiB", self.bytes / 1024.0];

	} else {

		result = [NSString stringWithFormat:@"%i bytes", self.bytes];

	}

	return result;

}

- (BOOL)isPlayableMedia {

    // check file extension

    NSString *extensionPattern = @"^.+\\.((mov)|(m4a)|(mp3)|(wav)|(aiff)|(aac)|(aif)|(aifc)|(amr)|(caf)|(m2a)|(m4p)|(mp4)|(mpv)|(3gp))$";

    NSRegularExpression *extensionRegex = [NSRegularExpression regularExpressionWithPattern:extensionPattern options:NSRegularExpressionCaseInsensitive error:nil];

    NSInteger matches = [extensionRegex numberOfMatchesInString:self.name options:0 range:NSMakeRange(0, [self.name length])];

    // check content type

    NSString *contentTypePattern = @"^(video|audio)/";

    NSRegularExpression *contentTypeRegex = [NSRegularExpression regularExpressionWithPattern:contentTypePattern options:NSRegularExpressionCaseInsensitive error:nil];

    matches += [contentTypeRegex numberOfMatchesInString:self.contentType options:0 range:NSMakeRange(0, [self.contentType length])];

    return matches > 0;

}

- (NSComparisonResult)compare:(StorageObject *)anObject {

    return [self.name caseInsensitiveCompare:anObject.name];

}

#pragma mark -

#pragma mark Memory Management

-(void)dealloc {

	[name release];

    [fullPath release];

	[hash release];

	[contentType release];

	[lastModified release];

	[data release];

	[metadata release];

	[super dealloc];

}

@end