Synnefo » Pithos MacOS Client

//

//  PithosObjectNode.m

//  pithos-macos

//

// Copyright 2011-2012 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 "PithosObjectNode.h"

#import "ASIPithosRequest.h"

#import "ASIPithos.h"

#import "ASIPithosObjectRequest.h"

#import "ASIPithosContainer.h"

#import "ASIPithosObject.h"

#import "ASIDownloadCache.h"

#import "PithosUtilities.h"

#import "PithosObjectNodeInfoController.h"

@implementation PithosObjectNode

@synthesize pithos, pithosContainer, pithosObject;

@synthesize isPublic;

#pragma mark -

#pragma mark Object Lifecycle

- (id)initWithPithos:(ASIPithos *)aPithos 

     pithosContainer:(ASIPithosContainer *)aPithosContainer 

        pithosObject:(ASIPithosObject *)aPithosObject {

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

        self.pithos = aPithos;

        self.pithosContainer = aPithosContainer;

        self.pithosObject = aPithosObject;

        isLeafItem = YES;

    }

    return self;

}

- (void)dealloc {

    [refreshMetadataObjectRequest clearDelegatesAndCancel];

    [refreshMetadataObjectRequest release];

    [applyMetadataObjectRequest clearDelegatesAndCancel];

    [applyMetadataObjectRequest release];

    [pithosObject release];

    [pithosContainer release];

    [pithos release];

    [super dealloc];

}

#pragma mark -

#pragma mark Properties

- (void)setPithos:(ASIPithos *)aPithos {

    if (aPithos && ![aPithos isEqualTo:pithos]) {

        [pithos release];

        pithos = [aPithos retain];

        [url release];

        url = nil;

    }

}

- (NSString *)url {

    if (url == nil)

        url = [[NSString alloc] initWithFormat:@"object %@/%@/%@%@", 

               (sharingAccount ? [pithos storageURLWithAuthUser:sharingAccount] : pithos.storageURL), 

               pithosContainer.name, 

               pithosObject.name, 

               (shared ? @"?shared" : @"")];

    return url;

}

- (NSArray *)children {

    return nil;

}

- (NSString *)displayName {

    if (displayName == nil) {

        displayName = [pithosObject.name lastPathComponent];

        if([pithosObject.name hasSuffix:@"/"])

            displayName = [displayName stringByAppendingString:@"/"];

        [displayName retain];

    }

    return [[displayName copy] autorelease];

}

- (void)setDisplayName:(NSString *)aDisplayName {    

}

- (NSImage *)icon {

    if (icon == nil)

        icon = [[[NSWorkspace sharedWorkspace] iconForFileType:[pithosObject.name pathExtension]] retain];

    return icon;

}

- (void)setPithosObject:(ASIPithosObject *)aPithosObject {

    if (![pithosObject isEqualTo:aPithosObject]) {

        [pithosObject release];

        pithosObject = [aPithosObject retain];

    }

    self.isPublic = (pithosObject.publicURI != nil);

    // Refresh browser if the object is in my shared and is no longer shared

    if (shared && !pithosObject.sharing)

        [[NSNotificationCenter defaultCenter] postNotificationName:@"PithosBrowserRefreshNeeeded" object:self];

}

- (void)setLimitedPithosObject:(ASIPithosObject *)aPithosObject {

    if (![pithosObject isEqualTo:aPithosObject]) {

        self.pithosObject.subdir = aPithosObject.subdir;

        self.pithosObject.name = aPithosObject.name;

        self.pithosObject.hash = aPithosObject.hash;

        self.pithosObject.objectHash = aPithosObject.objectHash;

        self.pithosObject.UUID = aPithosObject.UUID;

        self.pithosObject.bytes = aPithosObject.bytes;

        self.pithosObject.contentType = aPithosObject.contentType;

        self.pithosObject.lastModified = aPithosObject.lastModified;

        self.pithosObject.version = aPithosObject.version;

        self.pithosObject.versionTimestamp = aPithosObject.versionTimestamp;

        self.pithosObject.modifiedBy = aPithosObject.modifiedBy;

        self.pithosObject.sharedBy = aPithosObject.sharedBy;

        self.pithosObject.allowedTo = aPithosObject.allowedTo;

        if (!pithosNodeInfoController) {

            self.pithosObject.sharing = aPithosObject.sharing;

            self.pithosObject.publicURI = aPithosObject.publicURI;

            self.pithosObject = pithosObject;

        }

    }

}

#pragma mark -

#pragma mark ASIHTTPRequestDelegate

- (void)objectRequestFinished:(ASIPithosObjectRequest *)request {

    NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];

    NSLog(@"URL: %@", [request url]);

    NSLog(@"cached: %d", [request didUseCachedResponse]);

    if ([request isEqualTo:applyMetadataObjectRequest]) {

        int responseStatusCode = applyMetadataObjectRequest.responseStatusCode;

        if (responseStatusCode != 202)

            [PithosUtilities unexpectedResponseStatusAlertWithRequest:applyMetadataObjectRequest];

        @synchronized(self) {

            [applyMetadataObjectRequest release];

            applyMetadataObjectRequest = nil;

        }

        if (responseStatusCode == 202)

            [self refreshInfo];

    } else if ([request isEqualTo:refreshMetadataObjectRequest]) {

        [[pithosNodeInfoController window] makeFirstResponder:nil];

        self.pithosObject = [refreshMetadataObjectRequest object];

        @synchronized(self) {

            [refreshMetadataObjectRequest release];

            refreshMetadataObjectRequest = nil;

        }

    }

    [pool drain];

}

- (void)objectRequestFailed:(ASIPithosObjectRequest *)request {

    NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];

    NSUInteger retries = [[request.userInfo objectForKey:@"retries"] unsignedIntegerValue];

    if (retries > 0) {

        ASIPithosObjectRequest *newRequest = (ASIPithosObjectRequest *)[PithosUtilities copyRequest:request];

        [(NSMutableDictionary *)(newRequest.userInfo)setObject:[NSNumber numberWithUnsignedInteger:(--retries)] forKey:@"retries"];

        if ([request isEqualTo:applyMetadataObjectRequest]) {

            @synchronized(self) {

                [applyMetadataObjectRequest release];

                applyMetadataObjectRequest = newRequest;

            }

        } else if ([request isEqualTo:refreshMetadataObjectRequest]) {

            @synchronized(self) {

                [refreshMetadataObjectRequest release];

                refreshMetadataObjectRequest = newRequest;

            }

        }

        [[PithosUtilities prepareRequest:newRequest priority:[[newRequest.userInfo objectForKey:@"priority"] integerValue]] startAsynchronous];

    } else {

        if ([request isEqualTo:applyMetadataObjectRequest]) {

            dispatch_async(dispatch_get_main_queue(), ^{

                [PithosUtilities httpRequestErrorAlertWithRequest:applyMetadataObjectRequest];

            });

            @synchronized(self) {

                [applyMetadataObjectRequest release];

                applyMetadataObjectRequest = nil;

            }

        } else if ([request isEqualTo:refreshMetadataObjectRequest]) {

            dispatch_async(dispatch_get_main_queue(), ^{

                [PithosUtilities httpRequestErrorAlertWithRequest:refreshMetadataObjectRequest];

            });

            @synchronized(self) {

                [refreshMetadataObjectRequest release];

                refreshMetadataObjectRequest = nil;

            }

        }

    }

    [pool drain];

}

#pragma mark -

#pragma mark Info

- (void)applyInfo {

    @synchronized(self) {

        if (applyMetadataObjectRequest == nil) {

            [[pithosNodeInfoController window] makeFirstResponder:nil];

            if (sharingAccount) {

                applyMetadataObjectRequest = [[ASIPithosObjectRequest updateObjectMetadataRequestWithPithos:pithos 

                                                                                              containerName:pithosContainer.name 

                                                                                                 objectName:pithosObject.name 

                                                                                            contentEncoding:nil 

                                                                                         contentDisposition:nil 

                                                                                                   manifest:nil 

                                                                                                    sharing:nil

                                                                                                   isPublic:(isPublic ? ASIPithosObjectRequestPublicTrue : ASIPithosObjectRequestPublicFalse) 

                                                                                                   metadata:pithosObject.metadata

                                                                                                     update:NO] retain];

                [applyMetadataObjectRequest setRequestUserFromDefaultTo:sharingAccount withPithos:pithos];

            } else {

                applyMetadataObjectRequest = [[ASIPithosObjectRequest updateObjectMetadataRequestWithPithos:pithos 

                                                                                              containerName:pithosContainer.name 

                                                                                                 objectName:pithosObject.name 

                                                                                            contentEncoding:pithosObject.contentEncoding 

                                                                                         contentDisposition:pithosObject.contentDisposition 

                                                                                                   manifest:pithosObject.manifest 

                                                                                                    sharing:(pithosObject.sharing ? pithosObject.sharing : @"")

                                                                                                   isPublic:(isPublic ? ASIPithosObjectRequestPublicTrue : ASIPithosObjectRequestPublicFalse) 

                                                                                                   metadata:pithosObject.metadata

                                                                                                     update:NO] retain];

            }

            applyMetadataObjectRequest.delegate = self;

            applyMetadataObjectRequest.didFinishSelector = @selector(performRequestFinishedDelegateInBackground:);

            applyMetadataObjectRequest.didFailSelector = @selector(performRequestFailedDelegateInBackground:);

            applyMetadataObjectRequest.userInfo = [NSMutableDictionary dictionaryWithObjectsAndKeys:

                                                   [NSNumber numberWithInteger:NSOperationQueuePriorityHigh], @"priority", 

                                                   [NSNumber numberWithUnsignedInteger:10], @"retries", 

                                                   NSStringFromSelector(@selector(objectRequestFinished:)), @"didFinishSelector", 

                                                   NSStringFromSelector(@selector(objectRequestFailed:)), @"didFailSelector", 

                                                   nil];

            [[PithosUtilities prepareRequest:applyMetadataObjectRequest priority:NSOperationQueuePriorityHigh] startAsynchronous];

        }

    }

}

- (void)refreshInfo {

    @synchronized(self) {

        if (refreshMetadataObjectRequest == nil) {

            refreshMetadataObjectRequest = [[ASIPithosObjectRequest objectMetadataRequestWithPithos:pithos 

                                                                                      containerName:pithosContainer.name 

                                                                                         objectName:pithosObject.name] retain];

            if (sharingAccount)

                [refreshMetadataObjectRequest setRequestUserFromDefaultTo:sharingAccount withPithos:pithos];

            refreshMetadataObjectRequest.delegate = self;

            refreshMetadataObjectRequest.didFinishSelector = @selector(performRequestFinishedDelegateInBackground:);

            refreshMetadataObjectRequest.didFailSelector = @selector(performRequestFailedDelegateInBackground:);

            refreshMetadataObjectRequest.userInfo = [NSMutableDictionary dictionaryWithObjectsAndKeys:

                                                     [NSNumber numberWithInteger:NSOperationQueuePriorityHigh], @"priority", 

                                                     [NSNumber numberWithUnsignedInteger:10], @"retries", 

                                                     NSStringFromSelector(@selector(objectRequestFinished:)), @"didFinishSelector", 

                                                     NSStringFromSelector(@selector(objectRequestFailed:)), @"didFailSelector", 

                                                     nil];

            refreshMetadataObjectRequest.downloadCache = [ASIDownloadCache sharedCache];

            [[PithosUtilities prepareRequest:refreshMetadataObjectRequest priority:NSOperationQueuePriorityHigh] startAsynchronous];

        }

    }

}

#pragma mark -

#pragma mark Actions

- (void)showPithosNodeInfo:(id)sender {

    if (!pithosNodeInfoController) {

        pithosNodeInfoController = [[PithosObjectNodeInfoController alloc] initWithPithosNode:self];

        [self refreshInfo];

    }

    [pithosNodeInfoController showWindow:sender];

    [[pithosNodeInfoController window] makeKeyAndOrderFront:sender];

    [NSApp activateIgnoringOtherApps:YES];

}

@end