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TLMercatalogLibrary.m
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TLMercatalogLibrary.m
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//
// TLMercatalogLibrary.m
// Mercatalog
//
// Created by Nathan Vander Wilt on 10/13/08.
// Copyright 2008 __MyCompanyName__. All rights reserved.
//
#import "TLMercatalogLibrary.h"
#import "TLTrack.h"
#import "TLPhoto.h"
#import "TLLibraryHost.h"
#import "TLLocator.h"
@implementation TLMercatalogLibrary
#pragma mark Archiving / lifecycle
- (NSPersistentStoreCoordinator*)preparedStoreCoordinator:(NSError**)err {
NSString* modelPath = [[NSBundle mainBundle] pathForResource:@"Mercatalog" ofType:@"mom"];
NSURL* modelURL = [NSURL fileURLWithPath:modelPath isDirectory:NO];
NSManagedObjectModel* objectModel = [[NSManagedObjectModel alloc] initWithContentsOfURL:modelURL];
[objectModel autorelease];
NSPersistentStoreCoordinator* newStoreCoordinator = [[NSPersistentStoreCoordinator alloc]
initWithManagedObjectModel:objectModel];
[newStoreCoordinator autorelease];
// TODO: this should use project locking
NSString* storePath = [[self currentBundlePath] stringByAppendingPathComponent:@"database.coredata"];
NSURL* storeURL = [NSURL fileURLWithPath:storePath isDirectory:NO];
NSError* internalError = nil;
(void)[newStoreCoordinator addPersistentStoreWithType:NSSQLiteStoreType //NSXMLStoreType
configuration:nil
URL:storeURL
options:nil
error:&internalError];
if (internalError) {
if (err) *err = internalError;
return nil;
}
return newStoreCoordinator;
}
- (BOOL)createWithOptions:(TLProjectBundleFlags)flags error:(NSError**)err {
(void)flags;
NSError* internalError = nil;
storeCoordinator = [[self preparedStoreCoordinator:&internalError] retain];
if (internalError) {
if (err) *err = internalError;
return NO;
}
NSManagedObjectContext* modelContext = [[NSManagedObjectContext alloc] init];
[modelContext setPersistentStoreCoordinator:storeCoordinator];
TLLibraryHost* host = [TLLibraryHost libraryHostInContext:modelContext];
[host setHomeBase:[TLLocator defaultHomeBase]];
BOOL saved = [modelContext save:&internalError];
if (!saved) {
NSLog(@"modelContext - %@\n", internalError);
}
return YES;
}
- (BOOL)loadWithOptions:(TLProjectBundleFlags)flags error:(NSError**)err {
(void)flags;
NSError* internalError = nil;
storeCoordinator = [[self preparedStoreCoordinator:&internalError] retain];
if (internalError) {
if (err) *err = internalError;
return NO;
}
return YES;
}
- (void)close {
TLLibraryHost* host = [TLLibraryHost libraryHostForContext:[self modelContext]];
for (NSManagedObject* deletedObject in [[self modelContext] deletedObjects]) {
if (![deletedObject isKindOfClass:[TLPhoto class]]) continue;
TLPhoto* deletedPhoto = (TLPhoto*)deletedObject;
[deletedPhoto uncacheThumbnails];
NSURL* copyURL = [host photoOriginalCopyLocation:[deletedPhoto uniqueID]];
(void)[[NSFileManager defaultManager] removeItemAtPath:[copyURL path] error:NULL];
}
NSError* internalError = nil;
(void)[[self modelContext] save:&internalError];
if (internalError) {
NSLog(@"modelContext - %@\n", internalError);
NSArray* allErrors = [[internalError userInfo] objectForKey:NSDetailedErrorsKey];
for (NSError* subError in allErrors) {
NSLog(@" - %@\n", subError);
}
NSArray* conflicts = [[internalError userInfo] objectForKey:@"conflictList"];
for (id conflictRecord in conflicts) {
NSLog(@" * %@\n", conflictRecord);
}
}
[super close];
}
- (void)dealloc {
[storeCoordinator release];
[super dealloc];
}
#pragma mark Accessors
@synthesize windowForSheet;
- (void)setUndoManager:(NSUndoManager*)newUndoManager {
[[self modelContext] setUndoManager:newUndoManager];
}
- (NSUndoManager*)undoManager {
return [[self modelContext] undoManager];
}
+ (TLLibraryHost*)contextLibraryHost:(NSManagedObjectContext*)aModelContext
error:(NSError**)err
{
NSFetchRequest* request = [[NSFetchRequest new] autorelease];
NSEntityDescription* entity = [NSEntityDescription entityForName:[TLLibraryHost entityName]
inManagedObjectContext:aModelContext];
[request setEntity:entity];
NSError* internalError = nil;
NSArray* hostArray = [aModelContext executeFetchRequest:request error:&internalError];
TLLibraryHost* libraryHost = nil;
if (internalError) {
if (err) *err = internalError;
}
else if ([hostArray count] != 1) {
if (err) {
*err = [NSError errorWithDomain:NSCocoaErrorDomain
code:NSFileReadCorruptFileError
userInfo:nil];
}
}
else {
libraryHost = [hostArray objectAtIndex:0];
}
return libraryHost;
}
- (NSManagedObjectContext*)freshModelContext {
NSManagedObjectContext* freshContext = [[NSManagedObjectContext new] autorelease];
[storeCoordinator lock];
[freshContext setPersistentStoreCoordinator:storeCoordinator];
[storeCoordinator unlock];
return freshContext;
}
- (NSManagedObjectContext*)modelContext {
static NSString* const TLMercatalogLibraryModelContextKey = @"TLMercatalogLibrary_ModelContext";
NSMutableDictionary* perThread = [[NSThread currentThread] threadDictionary];
NSManagedObjectContext* modelContext = [perThread objectForKey:TLMercatalogLibraryModelContextKey];
if (!modelContext) {
modelContext = [self freshModelContext];
[perThread setObject:modelContext forKey:TLMercatalogLibraryModelContextKey];
TLLibraryHost* host = [[self class] contextLibraryHost:modelContext error:NULL];
NSAssert(host, @"Context must have valid host object");
[host setLibrary:self];
[TLLibraryHost registerLibraryHost:host forContext:modelContext];
}
return modelContext;
}
@end