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, publicURI, sharing, metadata, iso8601DateString, lastModifiedString;

#pragma mark - Object lifecycle

+ (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:@"x_object_hash"];

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

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

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

    object.iso8601DateString = [dict objectForKey:@"last_modified"];

    object.publicURI = [dict objectForKey:@"x_object_public"];

    object.sharing = [dict objectForKey:@"x_object_sharing"];

    object.metadata = nil;

    return object;

}

- (NSComparisonResult)compareByName:(id)item {

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

}

- (NSComparisonResult)compareByDate:(id)item {

    return [self.lastModifiedString caseInsensitiveCompare:[item lastModifiedString]];

}

#pragma mark - Serialization

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

    if ((self = [super init])) {

        [self autoDecode:coder];

    }

    return self;

}

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

    [self autoEncodeWithCoder:coder];

}

#pragma mark - Memory Management

-(void)dealloc {

	[name release];

    [fullPath release];

	[hash release];

	[contentType release];

	[lastModified release];

	[data release];

	[metadata release];

    [iso8601DateString release];

    [lastModifiedString release];

	[super dealloc];

}

#pragma mark - Properties

- (NSString *)lastModifiedString {

    if (!lastModifiedString) {

        if (!self.lastModified && [self.iso8601DateString length])

            self.lastModified = [ComputeModel dateFromString:self.iso8601DateString];

        if (self.lastModified)

            lastModifiedString = [[ComputeModel localDateDescriptionFromDate:self.lastModified] retain];

    }

    return lastModifiedString;

}

#pragma mark - Actions

- (void)setPropertiesfromResponseHeaders:(NSDictionary *)headers {

    self.hash = [headers objectForKey:@"X-Object-Hash"];

    self.bytes = [[headers objectForKey:@"Content-Length"] intValue];

    self.contentType = [headers objectForKey:@"Content-Type"];

    self.lastModified = [headers objectForKey:@"Last-Modified"];

    self.publicURI = [headers objectForKey:@"X-Object-Public"];

    self.sharing = [headers objectForKey:@"X-Object-Sharing"];

    self.metadata = [NSMutableDictionary dictionary];

    for (NSString *key in headers) {

        if ([key hasPrefix:@"X-Object-Meta-"]) {

            NSString *metadataValue = [headers objectForKey:key];

            NSString *metadataKey = [key substringFromIndex:14];

            [self.metadata setObject:metadataValue forKey:metadataKey];

        }

    }

}

-(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;

}

@end