Synnefo » Pithos iOS Client

    NSMutableDictionary *objectDownloadRequests;

@property (nonatomic, retain) NSMutableDictionary *objectDownloadRequests;

- (APICallback *)getObjectInfo:(Container *)container object:(StorageObject *)object version:(NSString *)version;

- (APICallback *)getObjectVersionsList:(Container *)container object:(StorageObject *)object;

- (APICallback *)getObject:(Container *)container

                    object:(StorageObject *)object

  downloadProgressDelegate:(id)downloadProgressDelegate

           requestUserInfo:(NSDictionary *)requestUserInfo;

- (APICallback *)getObject:(Container *)container

                    object:(StorageObject *)object

  downloadProgressDelegate:(id)downloadProgressDelegate 

           requestUserInfo:(NSDictionary *)requestUserInfo

                   version:(NSString *)version;

#import "OpenStackAppDelegate.h"

@synthesize account, queue, objectDownloadRequests;

- (APICallback *)getObjectInfo:(Container *)container object:(StorageObject *)object version:(NSString *)version {

    if (!version)

        return [self getObjectInfo:container object:object];

    __block OpenStackRequest *request = [OpenStackRequest getObjectInfoRequest:self.account container:container object:object version:version];

    return [self callbackWithRequest:request];

}

- (APICallback *)getObjectVersionsList:(Container *)container object:(StorageObject *)object {

    __block OpenStackRequest *request = [OpenStackRequest getObjectVersionsRequest:account container:container object:object];

    return [self callbackWithRequest:request];

}

    return [self getObject:container object:object downloadProgressDelegate:downloadProgressDelegate requestUserInfo:nil];

}

- (APICallback *)getObject:(Container *)container

                    object:(StorageObject *)object

  downloadProgressDelegate:(id)downloadProgressDelegate

           requestUserInfo:(NSDictionary *)requestUserInfo {

    return [self getObject:container object:object downloadProgressDelegate:downloadProgressDelegate requestUserInfo:requestUserInfo version:nil];

}

- (APICallback *)getObject:(Container *)container

                    object:(StorageObject *)object

  downloadProgressDelegate:(id)downloadProgressDelegate 

           requestUserInfo:(NSDictionary *)requestUserInfo

                   version:(NSString *)version{

    __block OpenStackRequest *request = [OpenStackRequest getObjectRequest:self.account container:container object:object version:version];

    request.showAccurateProgress = YES;  

    if (requestUserInfo) {

        request.userInfo = requestUserInfo;

    }

    if (!objectDownloadRequests)

        self.objectDownloadRequests = [NSMutableDictionary dictionary];

    [objectDownloadRequests setObject:request forKey:object.fullPath];

        OpenStackAppDelegate *appDelegate = [[UIApplication sharedApplication] delegate];

        NSString *filePath = [appDelegate.cacheDirectoryPath stringByAppendingFormat:@"/%@.%@",object.hash, object.name.pathExtension];

        [[request responseData] writeToFile:filePath atomically:YES];

        @synchronized(appDelegate.cachedObjectsDictionary) {

            [appDelegate.cachedObjectsDictionary setObject:filePath forKey:object.hash];

            [appDelegate saveCacheDictionary];

        [objectDownloadRequests removeObjectForKey:object.fullPath];

    }

    failure:^(OpenStackRequest *request) { 

        [objectDownloadRequests removeObjectForKey:object.fullPath];

    [objectDownloadRequests release];

#import "OpenStackAppDelegate.h"

            OpenStackAppDelegate *appDelegate = [[UIApplication sharedApplication] delegate];

            NSString *filePath = [appDelegate.cachedObjectsDictionary objectForKey:object.hash];

//

//  ObjectVersionsViewController.h

//  pithos-ios

//

// Copyright 2011 GRNET S.A. All rights reserved.

//

// Redistribution and use in source and binary forms, with or

// without modification, are permitted provided that the following

// conditions are met:

// 

//   1. Redistributions of source code must retain the above

//      copyright notice, this list of conditions and the following

//      disclaimer.

// 

//   2. Redistributions in binary form must reproduce the above

//      copyright notice, this list of conditions and the following

//      disclaimer in the documentation and/or other materials

//      provided with the distribution.

// 

// THIS SOFTWARE IS PROVIDED BY GRNET S.A. ``AS IS'' AND ANY EXPRESS

// OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED

// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR

// PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GRNET S.A OR

// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,

// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT

// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF

// USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED

// AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT

// LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN

// ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE

// POSSIBILITY OF SUCH DAMAGE.

// 

// The views and conclusions contained in the software and

// documentation are those of the authors and should not be

// interpreted as representing official policies, either expressed

// or implied, of GRNET S.A.

#import <UIKit/UIKit.h>

#import "OpenStackViewController.h"

@class OpenStackAccount, Container, StorageObject;

@interface ObjectVersionsViewController : OpenStackViewController <UITableViewDelegate, UITableViewDataSource> {

    IBOutlet UITableView *tableView;

    NSMutableArray *versions;

    OpenStackAccount *account;

    Container *container;

    StorageObject *object;

    BOOL versionsLoaded;

}

@property (nonatomic, retain) IBOutlet UITableView *tableView;

@property (nonatomic, retain) NSMutableArray *versions;

@property (nonatomic, retain) OpenStackAccount *account;

@property (nonatomic, retain) Container *container;

@property (nonatomic, retain) StorageObject *object;

@end

//

//  ObjectVersionsViewController.m

//  pithos-ios

//

// Copyright 2011 GRNET S.A. All rights reserved.

//

// Redistribution and use in source and binary forms, with or

// without modification, are permitted provided that the following

// conditions are met:

// 

//   1. Redistributions of source code must retain the above

//      copyright notice, this list of conditions and the following

//      disclaimer.

// 

//   2. Redistributions in binary form must reproduce the above

//      copyright notice, this list of conditions and the following

//      disclaimer in the documentation and/or other materials

//      provided with the distribution.

// 

// THIS SOFTWARE IS PROVIDED BY GRNET S.A. ``AS IS'' AND ANY EXPRESS

// OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED

// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR

// PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GRNET S.A OR

// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,

// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT

// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF

// USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED

// AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT

// LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN

// ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE

// POSSIBILITY OF SUCH DAMAGE.

// 

// The views and conclusions contained in the software and

// documentation are those of the authors and should not be

// interpreted as representing official policies, either expressed

// or implied, of GRNET S.A.

#import "ObjectVersionsViewController.h"

#import "StorageObjectViewController.h"

#import "OpenStackAccount.h"

#import "OpenStackRequest.h"

#import "AccountManager.h"

#import "APICallback.h"

#import "JSON.h"

#import "ActivityIndicatorView.h"

#import "UIViewController+Conveniences.h"

#import "StorageObject.h"

@implementation ObjectVersionsViewController

@synthesize tableView, versions, account, container, object;

#pragma mark - View lifecycle

- (void)viewDidLoad {

    [super viewDidLoad];

    self.navigationItem.title = @"Versions";

    self.versions = [NSMutableArray array];

    versionsLoaded = NO;

    NSString *activityMessage = @"Loading..";

    ActivityIndicatorView *activityIndicatorView = [[ActivityIndicatorView alloc] initWithFrame:[ActivityIndicatorView frameForText:activityMessage] text:activityMessage];

    [activityIndicatorView addToView:self.view];

    [[self.account.manager  getObjectVersionsList:container object:object]

     success:^(OpenStackRequest *request) {

         SBJSON *parser = [[SBJSON alloc] init];

         NSArray *versionsInJson = [[parser objectWithString:[request responseString]] objectForKey:@"versions"];

         for (NSArray *versionInfo in versionsInJson) {

             [versions addObject:[NSDictionary dictionaryWithObjectsAndKeys:[versionInfo objectAtIndex:0], @"versionID",

                                 [NSDate dateWithTimeIntervalSince1970:[[versionInfo objectAtIndex:1] doubleValue]], @"versionDate",

                                 nil]]; 

         }

         [activityIndicatorView removeFromSuperviewAndRelease];

         versionsLoaded = YES;

         [self.tableView reloadData];

     }

     failure:^(OpenStackRequest *request) {

         [activityIndicatorView removeFromSuperviewAndRelease];

         [self alert:@"Couldn't get versions from server" request:request];

     }];    

}

- (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)toInterfaceOrientation {

    return (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPad) || (toInterfaceOrientation == UIInterfaceOrientationPortrait);

}

#pragma mark - memory management

- (void)dealloc {

    [account release];

    [container release];

    [object release];

    [versions release];

    [super dealloc];

}

#pragma mark - Table view data source

- (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView {

    return 1;

}

- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {

    if (!versionsLoaded)

        return 0;

    else

        return MAX(1, versions.count);

}

- (UITableViewCell *)tableView:(UITableView *)aTableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {

    static NSString *CellIdentifier = @"Cell";

    UITableViewCell *cell = [aTableView dequeueReusableCellWithIdentifier:CellIdentifier];

    if (cell == nil) {

        cell = [[[UITableViewCell alloc] initWithStyle:UITableViewCellStyleSubtitle reuseIdentifier:CellIdentifier] autorelease];

    }

    cell.userInteractionEnabled = YES;

    cell.accessoryType = UITableViewCellAccessoryDisclosureIndicator;

    cell.selectionStyle = UITableViewCellSelectionStyleBlue;

    if (versions.count == 0 || !versions) {

        cell.textLabel.text = @"No previous versions available";

        cell.userInteractionEnabled = NO;

        cell.accessoryType = UITableViewCellAccessoryNone;

        cell.selectionStyle = UITableViewCellSelectionStyleNone;

    } else {

        NSDictionary *versionDetails = [versions objectAtIndex:indexPath.row];

        cell.textLabel.text = [[versionDetails objectForKey:@"versionID"] description];

        NSString *dateString = [NSDateFormatter localizedStringFromDate:[versionDetails objectForKey:@"versionDate"]

                                                              dateStyle:NSDateFormatterMediumStyle

                                                              timeStyle:NSDateFormatterMediumStyle];

        cell.detailTextLabel.text = dateString;

    }

    return cell;

}

#pragma mark - Table view delegate

- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath {

    NSString *activityMessage = @"Loading..";

    ActivityIndicatorView *activityIndicatorView = [[ActivityIndicatorView alloc] initWithFrame:[ActivityIndicatorView frameForText:activityMessage] text:activityMessage];

    [activityIndicatorView addToView:self.view];

    NSDictionary *versionDetails = [versions objectAtIndex:indexPath.row];

    NSString *versionID = [[versionDetails objectForKey:@"versionID"] description];

    [[self.account.manager getObjectInfo:container object:object version:versionID]

     success:^(OpenStackRequest *request) {

         [activityIndicatorView removeFromSuperviewAndRelease];

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

         versionedObject.name = object.name;

         versionedObject.fullPath = object.fullPath;

         [versionedObject setPropertiesfromResponseHeaders:request.responseHeaders];

         StorageObjectViewController *vc = [[StorageObjectViewController alloc] initWithNibName:@"StorageObjectViewController" bundle:nil];

         vc.objectIsReadOnly = YES;

         vc.account = account;

         vc.container = container;

         vc.object = versionedObject;

         vc.versionID = versionID;

         [self.navigationController pushViewController:vc animated:YES];

         [vc release];

         [self.tableView deselectRowAtIndexPath:indexPath animated:YES];

     } 

     failure:^(OpenStackRequest *request) {

         [activityIndicatorView removeFromSuperviewAndRelease];

         [self alert:[NSString stringWithFormat:@"Failed to get file info for version: %@", versionID] request:request];

     }];

}

@end

<?xml version="1.0" encoding="UTF-8"?>

<archive type="com.apple.InterfaceBuilder3.CocoaTouch.XIB" version="8.00">

	<data>

		<int key="IBDocument.SystemTarget">1280</int>

		<string key="IBDocument.SystemVersion">11C74</string>

		<string key="IBDocument.InterfaceBuilderVersion">1938</string>

		<string key="IBDocument.AppKitVersion">1138.23</string>

		<string key="IBDocument.HIToolboxVersion">567.00</string>

		<object class="NSMutableDictionary" key="IBDocument.PluginVersions">

			<string key="NS.key.0">com.apple.InterfaceBuilder.IBCocoaTouchPlugin</string>

			<string key="NS.object.0">933</string>

		</object>

		<array key="IBDocument.IntegratedClassDependencies">

			<string>IBProxyObject</string>

			<string>IBUIView</string>

			<string>IBUITableView</string>

		</array>

		<array key="IBDocument.PluginDependencies">

			<string>com.apple.InterfaceBuilder.IBCocoaTouchPlugin</string>

		</array>

		<object class="NSMutableDictionary" key="IBDocument.Metadata">

			<string key="NS.key.0">PluginDependencyRecalculationVersion</string>

			<integer value="1" key="NS.object.0"/>

		</object>

		<array class="NSMutableArray" key="IBDocument.RootObjects" id="1000">

			<object class="IBProxyObject" id="372490531">

				<string key="IBProxiedObjectIdentifier">IBFilesOwner</string>

				<string key="targetRuntimeIdentifier">IBCocoaTouchFramework</string>

			</object>

			<object class="IBProxyObject" id="975951072">

				<string key="IBProxiedObjectIdentifier">IBFirstResponder</string>

				<string key="targetRuntimeIdentifier">IBCocoaTouchFramework</string>

			</object>

			<object class="IBUIView" id="191373211">

				<reference key="NSNextResponder"/>

				<int key="NSvFlags">274</int>

				<array class="NSMutableArray" key="NSSubviews">

					<object class="IBUITableView" id="360754307">

						<reference key="NSNextResponder" ref="191373211"/>

						<int key="NSvFlags">274</int>

						<string key="NSFrameSize">{320, 460}</string>

						<reference key="NSSuperview" ref="191373211"/>

						<string key="NSReuseIdentifierKey">_NS:418</string>

						<object class="NSColor" key="IBUIBackgroundColor">

							<int key="NSColorSpace">3</int>

							<bytes key="NSWhite">MQA</bytes>

						</object>

						<bool key="IBUIClipsSubviews">YES</bool>

						<string key="targetRuntimeIdentifier">IBCocoaTouchFramework</string>

						<bool key="IBUIAlwaysBounceVertical">YES</bool>

						<int key="IBUISeparatorStyle">1</int>

						<int key="IBUISectionIndexMinimumDisplayRowCount">0</int>

						<bool key="IBUIShowsSelectionImmediatelyOnTouchBegin">YES</bool>

						<float key="IBUIRowHeight">44</float>

						<float key="IBUISectionHeaderHeight">22</float>

						<float key="IBUISectionFooterHeight">22</float>

					</object>

				</array>

				<string key="NSFrame">{{0, 20}, {320, 460}}</string>

				<reference key="NSSuperview"/>

				<reference key="NSNextKeyView"/>

				<object class="NSColor" key="IBUIBackgroundColor">

					<int key="NSColorSpace">3</int>

					<bytes key="NSWhite">MQA</bytes>

					<object class="NSColorSpace" key="NSCustomColorSpace">

						<int key="NSID">2</int>

					</object>

				</object>

				<object class="IBUISimulatedStatusBarMetrics" key="IBUISimulatedStatusBarMetrics"/>

				<string key="targetRuntimeIdentifier">IBCocoaTouchFramework</string>

			</object>

		</array>

		<object class="IBObjectContainer" key="IBDocument.Objects">

			<array class="NSMutableArray" key="connectionRecords">

				<object class="IBConnectionRecord">

					<object class="IBCocoaTouchOutletConnection" key="connection">

						<string key="label">view</string>

						<reference key="source" ref="372490531"/>

						<reference key="destination" ref="191373211"/>

					</object>

					<int key="connectionID">3</int>

				</object>

				<object class="IBConnectionRecord">

					<object class="IBCocoaTouchOutletConnection" key="connection">

						<string key="label">tableView</string>

						<reference key="source" ref="372490531"/>

						<reference key="destination" ref="360754307"/>

					</object>

					<int key="connectionID">5</int>

				</object>

				<object class="IBConnectionRecord">

					<object class="IBCocoaTouchOutletConnection" key="connection">

						<string key="label">dataSource</string>

						<reference key="source" ref="360754307"/>

						<reference key="destination" ref="372490531"/>

					</object>

					<int key="connectionID">6</int>

				</object>

				<object class="IBConnectionRecord">

					<object class="IBCocoaTouchOutletConnection" key="connection">

						<string key="label">delegate</string>

						<reference key="source" ref="360754307"/>

						<reference key="destination" ref="372490531"/>

					</object>

					<int key="connectionID">7</int>

				</object>

			</array>

			<object class="IBMutableOrderedSet" key="objectRecords">

				<array key="orderedObjects">

					<object class="IBObjectRecord">

						<int key="objectID">0</int>

						<array key="object" id="0"/>

						<reference key="children" ref="1000"/>

						<nil key="parent"/>

					</object>

					<object class="IBObjectRecord">

						<int key="objectID">1</int>

						<reference key="object" ref="191373211"/>

						<array class="NSMutableArray" key="children">

							<reference ref="360754307"/>

						</array>

						<reference key="parent" ref="0"/>

					</object>

					<object class="IBObjectRecord">

						<int key="objectID">-1</int>

						<reference key="object" ref="372490531"/>

						<reference key="parent" ref="0"/>

						<string key="objectName">File's Owner</string>

					</object>

					<object class="IBObjectRecord">

						<int key="objectID">-2</int>

						<reference key="object" ref="975951072"/>

						<reference key="parent" ref="0"/>

					</object>

					<object class="IBObjectRecord">

						<int key="objectID">4</int>

						<reference key="object" ref="360754307"/>

						<reference key="parent" ref="191373211"/>

					</object>

				</array>

			</object>

			<dictionary class="NSMutableDictionary" key="flattenedProperties">

				<string key="-1.CustomClassName">ObjectVersionsViewController</string>

				<string key="-1.IBPluginDependency">com.apple.InterfaceBuilder.IBCocoaTouchPlugin</string>

				<string key="-2.CustomClassName">UIResponder</string>

				<string key="-2.IBPluginDependency">com.apple.InterfaceBuilder.IBCocoaTouchPlugin</string>

				<string key="1.IBPluginDependency">com.apple.InterfaceBuilder.IBCocoaTouchPlugin</string>

				<string key="4.IBPluginDependency">com.apple.InterfaceBuilder.IBCocoaTouchPlugin</string>

			</dictionary>

			<dictionary class="NSMutableDictionary" key="unlocalizedProperties"/>

			<nil key="activeLocalization"/>

			<dictionary class="NSMutableDictionary" key="localizations"/>

			<nil key="sourceID"/>

			<int key="maxID">7</int>

		</object>

		<object class="IBClassDescriber" key="IBDocument.Classes"/>

		<int key="IBDocument.localizationMode">0</int>

		<string key="IBDocument.TargetRuntimeIdentifier">IBCocoaTouchFramework</string>

		<bool key="IBDocument.PluginDeclaredDependenciesTrackSystemTargetVersion">YES</bool>

		<int key="IBDocument.defaultPropertyAccessControl">3</int>

		<string key="IBCocoaTouchPluginVersion">933</string>

	</data>

</archive>

#define CACHED_OBJECTS_ARCHIVE_KEY @"cachedObjectsDictionary"

#define CACHE_DICT_ARCHIVE_NAME @"cache.dict"

    NSMutableDictionary *cachedObjectsDictionary;

    NSString *cacheDictionaryFilePath;

    NSString *cacheDirectoryPath;

    NSUserDefaults *userDefaults;

@property (nonatomic, retain) NSMutableDictionary *cachedObjectsDictionary;

@property (nonatomic, copy) NSString *cacheDictionaryFilePath;

@property (nonatomic, copy) NSString *cacheDirectoryPath;

- (void)saveCacheDictionary;

@synthesize cachedObjectsDictionary;

@synthesize cacheDictionaryFilePath;

@synthesize cacheDirectoryPath;

    userDefaults = [[NSUserDefaults standardUserDefaults] retain];

    if (![userDefaults stringForKey:@"api_logging_level"]) {

        [userDefaults setValue:@"all" forKey:@"api_logging_level"];

    if (![userDefaults stringForKey:@"aboutURL"]) {

        [userDefaults setValue:@"https://plus.pithos.grnet.gr" forKey:@"aboutURL"];

    }

    self.cachedObjectsDictionary = [userDefaults objectForKey:@"cachedObjectsDictionary"];

    if (!cachedObjectsDictionary) {

        self.cachedObjectsDictionary = [NSMutableDictionary dictionary];

        [userDefaults setValue:cachedObjectsDictionary forKey:@"cachedObjectsDictionary"];

    }

    [userDefaults synchronize];

    NSArray *paths = NSSearchPathForDirectoriesInDomains(NSCachesDirectory, NSUserDomainMask, YES);

    self.cacheDirectoryPath = [[paths objectAtIndex:0] stringByAppendingPathComponent:@"DownloadedFiles"];

    NSFileManager *fileManager = [NSFileManager defaultManager];

    NSError *error = nil;

    [fileManager createDirectoryAtPath:cacheDirectoryPath withIntermediateDirectories:YES attributes:nil error:&error];

    if (error) {

        UIAlertView *alert = [[UIAlertView alloc] initWithTitle:@"Error"

                                                        message:[NSString stringWithFormat:@"Error in creating cache directory\n%@",error.localizedDescription]

                                                       delegate:nil 

                                              cancelButtonTitle:@"OK" otherButtonTitles:nil];

        [alert show];

        [alert release];

    }

    /* 

	 Restart any tasks that were paused (or not yet started) while the application was inactive. If the application was previously in the background, optionally refresh the user interface.

	*/

    [userDefaults setBool:NO forKey:@"already_failed_on_connection"];

    [userDefaults synchronize];

#pragma mark - persistence

- (void)saveCacheDictionary {

    [userDefaults setObject:cachedObjectsDictionary forKey:@"cachedObjectsDictionary"];

    [userDefaults synchronize];

}

    [cachedObjectsDictionary release];

    [userDefaults release];

+ (OpenStackRequest *)getObjectInfoRequest:(OpenStackAccount *)account

                                 container:(Container *)container

                                    object:(StorageObject *)object

                                   version:(NSString *)version;

+ (OpenStackRequest *)getObjectVersionsRequest:(OpenStackAccount *)account container:(Container *)container object:(StorageObject *)object;

+ (OpenStackRequest *)getObjectRequest:(OpenStackAccount *)account

                             container:(Container *)container

                                object:(StorageObject *)object

                               version:(NSString *)version;

+ (OpenStackRequest *)getObjectInfoRequest:(OpenStackAccount *)account

                                 container:(Container *)container

                                    object:(StorageObject *)object

                                   version:(NSString *)version {

    OpenStackRequest *request = [OpenStackRequest getObjectInfoRequest:account container:container object:object];

    request.url = [NSURL URLWithString:[NSString stringWithFormat:@"%@&version=%@",request.url.description, version]];

    return request;

}

+ (OpenStackRequest *)getObjectVersionsRequest:(OpenStackAccount *)account container:(Container *)container object:(StorageObject *)object {

    OpenStackRequest *request = [OpenStackRequest filesRequest:account method:@"GET" path:[NSString stringWithFormat:@"/%@/%@",[NSString encodeToPercentEscape:container.name], [NSString encodeToPercentEscape:object.fullPath charactersToEncode:@"!*'();:@&=+$,?%#[]"]]];    

    request.url = [NSURL URLWithString:[NSString stringWithFormat:@"%@&version=list",request.url.description]];

    return request;

}

+ (OpenStackRequest *)getObjectRequest:(OpenStackAccount *)account

                             container:(Container *)container

                                object:(StorageObject *)object

                               version:(NSString *)version {

    OpenStackRequest *request = [OpenStackRequest getObjectRequest:account container:container object:object];

    if (version) {

        request.url = [NSURL URLWithString:[NSString stringWithFormat:@"%@&version=%@",request.url.description, version]];

    }

    return request;

}

+ (unsigned long long)sizeOfDirectory:(NSString *)directoryPath;

+ (NSString *)humanReadableSize:(unsigned long long)bytes;

+ (unsigned long long)sizeOfDirectory:(NSString *)directoryPath {

    NSFileManager *fileManager = [NSFileManager defaultManager];

    NSDirectoryEnumerator *directoryEnumerator = [fileManager enumeratorAtPath:directoryPath];

    unsigned long long directorySize = 0;

    NSString *file;

    while (file = [directoryEnumerator nextObject]) {

        NSDictionary *fileAttributes = [fileManager attributesOfItemAtPath:[NSString stringWithFormat:@"%@/%@",directoryPath,file] error:nil];

        directorySize += [fileAttributes fileSize];

    }

    return directorySize;

}

+ (NSString *)humanReadableSize:(unsigned long long)bytes {

    if (bytes <= 999) {

        return [NSString stringWithFormat:@"%d B", (int)bytes];

    } else if (bytes <= 999000) {

        return [NSString stringWithFormat:@"%d KB", (int)ceil(bytes / 1000)];

    } else if (bytes <= 999900000) {

        double megabytes = floor(bytes / 1000000);

        double hundredkilobytes = ceil((bytes - megabytes * 1000000) / 100000);

        if (hundredkilobytes == 10) {

            megabytes++;

            hundredkilobytes = 0;

        }

        if (hundredkilobytes == 0) {

            return [NSString stringWithFormat:@"%d MB", (int)megabytes];

        } else {

            return [NSString stringWithFormat:@"%d.%d MB", (int)megabytes, (int)hundredkilobytes];

        }

    } else {

        double gigabytes = floor(bytes / 1000000000);

        double hundredmegabytes = ceil((bytes - gigabytes * 1000000000) / 100000000);

        if (hundredmegabytes == 10) {

            gigabytes++;

            hundredmegabytes = 0;

        }

        if (hundredmegabytes == 0) {

            return [NSString stringWithFormat:@"%d GB", (int)gigabytes];

        } else {

            return [NSString stringWithFormat:@"%d.%d GB", (int)gigabytes, (int)hundredmegabytes];

        }

    }

}

    NSInteger cacheSection;

#import "OpenStackAppDelegate.h"

#import "PithosUtilities.h"

    cacheSection = 1;

    aboutSection = 2;

    if (section > kPasscodeLock && section < cacheSection) {

    return 3;

    cell.userInteractionEnabled = YES;

    cell.textLabel.textColor = [UIColor blackColor];

    } else if (indexPath.section == cacheSection) {

        OpenStackAppDelegate *appDelegate = [[UIApplication sharedApplication] delegate];

        NSString *cacheSize = [PithosUtilities humanReadableSize:[PithosUtilities sizeOfDirectory:appDelegate.cacheDirectoryPath]];

        if ([cacheSize hasPrefix:@"0"]) {

            cell.textLabel.textColor = [UIColor grayColor];

            cell.userInteractionEnabled = NO;

        }

        cell.textLabel.text = [NSString stringWithFormat:@"Clear Cache  (%@)", cacheSize];

        cell.detailTextLabel.text = @"";

        cell.accessoryType = UITableViewCellAccessoryNone;

    } else if (indexPath.section == cacheSection) {

        OpenStackAppDelegate *appDelegate = [[UIApplication sharedApplication] delegate];

        NSFileManager *fileManager = [NSFileManager defaultManager];

        NSError *error = nil;

        NSString *file;

        NSDirectoryEnumerator *directoryEnumerator = [fileManager enumeratorAtPath:appDelegate.cacheDirectoryPath];

        @synchronized(appDelegate.cachedObjectsDictionary) {

            while (file = [directoryEnumerator nextObject]) {

                [fileManager removeItemAtPath:[NSString stringWithFormat:@"%@/%@",appDelegate.cacheDirectoryPath,file] error:&error];

                if (error) {

                    [self alert:@"Error" message:[NSString stringWithFormat:@"Error in removing cached file, %@", error.localizedDescription]];

                } else {

                    for (NSString *key in [appDelegate.cachedObjectsDictionary allKeys])

                        if ([[appDelegate.cachedObjectsDictionary objectForKey:key] isEqualToString:file])

                            [appDelegate.cachedObjectsDictionary removeObjectForKey:key];

                }        

            }

        }

        [self.tableView deselectRowAtIndexPath:indexPath animated:YES];

        [self.tableView reloadData];

    }  else {

    [self.tableView deselectRowAtIndexPath:indexPath animated:YES];

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

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

- (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];

        }

    }

}

#import "OpenStackAppDelegate.h"

    NSInteger versionsSection;

    NSInteger publicLinkSection;

    NSInteger permissionsSection;

    NSIndexPath *actionSelectedIndexPath;

    NSString *versionID;

    OpenStackAppDelegate *appDelegate;

@property (nonatomic, retain) NSIndexPath *actionSelectedIndexPath;

@property (nonatomic, assign) BOOL objectIsReadOnly;

@property (nonatomic, retain) NSString *versionID;

#import "ObjectVersionsViewController.h"

@synthesize oldPubicURI, documentInteractionController, actionSelectedIndexPath, objectIsReadOnly, versionID;

    downloadProgressView = [[AnimatedProgressView alloc] initWithProgressViewStyle:UIProgressViewStyleDefault];

    fileDownloading = ([self.account.manager.objectDownloadRequests objectForKey:object.fullPath] != nil) ? YES : NO;

    if (fileDownloading) {

        OpenStackRequest *request = [self.account.manager.objectDownloadRequests objectForKey:object.fullPath];

        self.actionSelectedIndexPath = [request.userInfo objectForKey:@"actionSelectedIndexPath"];

        [request setDownloadProgressDelegate:self];

    }

    appDelegate = [[UIApplication sharedApplication] delegate];

    if ([appDelegate.cachedObjectsDictionary objectForKey:object.hash] != nil) {

        if ([[NSFileManager defaultManager] fileExistsAtPath:[appDelegate.cachedObjectsDictionary objectForKey:object.hash]])

            fileDownloaded = YES;

        else {

            fileDownloaded = NO;

            [appDelegate.cachedObjectsDictionary removeObjectForKey:object.hash];

            [appDelegate saveCacheDictionary];

        }

    } else {

        fileDownloaded = NO;

    }

    publicLinkSection = 2;

    permissionsSection = 3;

        versionsSection = 7;

        versionsSection = 6;

    if (versionID) {

        publicLinkSection = -1;

        permissionsSection = -1;

        versionsSection = -1;

        actionsSection = 2;

        objectIsReadOnly = YES;

    if (account.sharingAccount || account.shared)

            deleteSection = -1;

    int numberOfSections = 8;

    if (!self.container.cdnEnabled)

        numberOfSections--;

    if (deleteSection < 0)

        numberOfSections--;

    if (versionsSection < 0)

        numberOfSections--;

    if (publicLinkSection < 0)

        numberOfSections--;

    if (permissionsSection < 0)

        numberOfSections--;

    return numberOfSections;

        if (objectIsReadOnly) {

        } else {

        }

        return 2;

    } else if (section == publicLinkSection) {

    } else if (section == permissionsSection) {

        if (account.sharingAccount || objectIsReadOnly)

    } else if (indexPath.section == publicLinkSection && indexPath.row == 1) {

    if (indexPath.section == publicLinkSection) {

    cell.textLabel.textColor = [UIColor blackColor];

    } else if (indexPath.section == publicLinkSection) {

    } else if (indexPath.section == permissionsSection) {

        if (fileDownloading) {

            if (actionSelectedIndexPath.row == indexPath.row) {

                cell.accessoryView = downloadProgressView;

            } else {

                cell.textLabel.textColor = [UIColor grayColor];

                cell.selectionStyle = UITableViewCellSelectionStyleNone;

            }

            cell.selectionStyle = UITableViewCellSelectionStyleBlue;

            cell.accessoryView = nil;

            cell.textLabel.text = @"Open File"; 

            cell.accessoryType = UITableViewCellAccessoryNone;

            cell.accessoryType = UITableViewCellAccessoryDisclosureIndicator;

        }        

    } else if (indexPath.section == versionsSection) {

        cell.selectionStyle = UITableViewCellSelectionStyleBlue;

        cell.accessoryType = UITableViewCellAccessoryDisclosureIndicator;

        cell.textLabel.text = @"Versions";

        cell.detailTextLabel.text = @"";

    } else if (indexPath.section == permissionsSection) {

        if (!fileDownloaded) {

            if (!fileDownloading) {

                // download the file

                fileDownloading = YES;

                self.actionSelectedIndexPath = indexPath;

                [self.tableView reloadData];

                NSMutableDictionary *requestUserInfo = [NSDictionary dictionaryWithObject:indexPath forKey:@"actionSelectedIndexPath"];

                [[self.account.manager getObject:self.container object:self.object downloadProgressDelegate:self requestUserInfo:requestUserInfo version:versionID]

                 success:^(OpenStackRequest *request) {

                     fileDownloaded = YES;

                     fileDownloading = NO;

                     if ([self.navigationController.visibleViewController isEqual:self])

                         [self.tableView.delegate tableView:self.tableView didSelectRowAtIndexPath:indexPath]; 

                     [self.tableView reloadData];

                     [self.folderViewController.tableView reloadData];

                 }

                 failure:^(OpenStackRequest *request) {

                     fileDownloaded = NO;

                     fileDownloading = NO;

                     [self alert:@"File failed to download" request:request];

                     [self.tableView reloadData];

                 }];

                [self.tableView reloadRowsAtIndexPaths:[NSArray arrayWithObject:[NSIndexPath indexPathForRow:indexPath.row inSection:actionsSection]] withRowAnimation:UITableViewRowAnimationNone];

            }

        } else if (indexPath.row == 0) {        

                NSString *filePath = [appDelegate.cachedObjectsDictionary objectForKey:object.hash];                                 

                self.documentInteractionController.name = object.name;

            } 

    } else if (indexPath.section == versionsSection) {

        ObjectVersionsViewController *vc = [[ObjectVersionsViewController alloc] initWithNibName:@"ObjectVersionsViewController" bundle:nil];

        vc.account = account;

        vc.container = container;

        vc.object = object;

        [self.navigationController pushViewController:vc animated:YES];

        [vc release];

        [self.tableView reloadData];

         NSIndexPath *publicURICellIndexPath = [NSIndexPath indexPathForRow:1 inSection:publicLinkSection];

             [[self.account.manager getObjectInfo:container object:object version:versionID] 

                  NSIndexPath *publicURICellIndexPath = [NSIndexPath indexPathForRow:1 inSection:publicLinkSection];

    if (fileDownloading) {

        OpenStackRequest *request = [self.account.manager.objectDownloadRequests objectForKey:object.fullPath];

        [request setDownloadProgressDelegate:nil];

    }

    [actionSelectedIndexPath release];

    [versionID release];

		249F004C14BC836A000AB729 /* ObjectVersionsViewController.m in Sources */ = {isa = PBXBuildFile; fileRef = 249F004A14BC8369000AB729 /* ObjectVersionsViewController.m */; };

		249F004D14BC836A000AB729 /* ObjectVersionsViewController.xib in Resources */ = {isa = PBXBuildFile; fileRef = 249F004B14BC8369000AB729 /* ObjectVersionsViewController.xib */; };

		249F004914BC8369000AB729 /* ObjectVersionsViewController.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = ObjectVersionsViewController.h; sourceTree = "<group>"; };

		249F004A14BC8369000AB729 /* ObjectVersionsViewController.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = ObjectVersionsViewController.m; sourceTree = "<group>"; };

		249F004B14BC8369000AB729 /* ObjectVersionsViewController.xib */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = file.xib; path = ObjectVersionsViewController.xib; sourceTree = "<group>"; };