Tweaking

dhennessy · Jan 16, 2016 · ccc8023 · ccc8023
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diff --git a/Examples/List/List.xcodeproj/project.pbxproj b/Examples/List/List.xcodeproj/project.pbxproj
diff --git a/Examples/List/List/AppDelegate.h b/Examples/List/List/AppDelegate.h
@@ -0,0 +1,15 @@
+//
+//  AppDelegate.h
+//  List
+//
+//  Created by Denis Hennessy on 06/04/2015.
+//  Copyright (c) 2015 Peer Assembly. All rights reserved.
+//
+
+#import <Cocoa/Cocoa.h>
+
+@interface AppDelegate : NSObject <NSApplicationDelegate>
+
+
+@end
+
diff --git a/Examples/List/List/AppDelegate.m b/Examples/List/List/AppDelegate.m
@@ -0,0 +1,26 @@
+//
+//  AppDelegate.m
+//  List
+//
+//  Created by Denis Hennessy on 06/04/2015.
+//  Copyright (c) 2015 Peer Assembly. All rights reserved.
+//
+
+#import "AppDelegate.h"
+#import "Database.h"
+
+@interface AppDelegate ()
+
+@end
+
+@implementation AppDelegate
+
+- (void)applicationDidFinishLaunching:(NSNotification *)aNotification {
+    [Database sharedInstance];
+}
+
+- (void)applicationWillTerminate:(NSNotification *)aNotification {
+    // Insert code here to tear down your application
+}
+
+@end
diff --git a/Examples/List/List/Base.lproj/Main.storyboard b/Examples/List/List/Base.lproj/Main.storyboard
diff --git a/Examples/List/List/Database.h b/Examples/List/List/Database.h
@@ -0,0 +1,32 @@
+//
+//  Database.h
+//  List
+//
+//  Created by Denis Hennessy on 06/04/2015.
+//  Copyright (c) 2015 Peer Assembly. All rights reserved.
+//
+
+#import <Foundation/Foundation.h>
+#import "YapDatabase.h"
+#import "YapDatabaseView.h"
+
+extern NSString *const UIDatabaseConnectionWillUpdateNotification;
+extern NSString *const UIDatabaseConnectionDidUpdateNotification;
+extern NSString *const kNotificationsKey;
+
+@interface Database : NSObject <NSFilePresenter> {
+    NSFileCoordinator *_fileCoordinator;
+}
+
+@property (nonatomic, readonly) NSURL *databaseURL;
+@property (nonatomic, readonly) YapDatabase *database;
+@property (nonatomic, readonly) YapDatabaseConnection *uiConnection;
+@property (nonatomic, readonly) YapDatabaseConnection *bgConnection;
+
++ (Database *)sharedInstance;
++ (NSString *)newUuid;
+
+- (void)reconnect;
+- (void)invalidateCaches;
+
+@end
diff --git a/Examples/List/List/Database.m b/Examples/List/List/Database.m
@@ -0,0 +1,113 @@
+//
+//  Database.m
+//  List
+//
+//  Created by Denis Hennessy on 06/04/2015.
+//  Copyright (c) 2015 Peer Assembly. All rights reserved.
+//
+
+#import "Database.h"
+
+NSString *const UIDatabaseConnectionWillUpdateNotification = @"UIDatabaseConnectionWillUpdateNotification";
+NSString *const UIDatabaseConnectionDidUpdateNotification  = @"UIDatabaseConnectionDidUpdateNotification";
+NSString *const kNotificationsKey = @"notifications";
+
+static NSOperationQueue *_presentedItemOperationQueue;
+
+@implementation Database
+
++ (NSString *)newUuid {
+    return [[NSUUID UUID] UUIDString];
+}
+
++ (Database *)sharedInstance {
+    static Database *_sharedInstance = nil;
+    static dispatch_once_t onceToken;
+    dispatch_once(&onceToken, ^{
+        _presentedItemOperationQueue = [[NSOperationQueue alloc] init];
+        _sharedInstance = [[Database alloc] init];
+    });
+
+    return _sharedInstance;
+}
+
+- (id)init {
+    if (self = [super init]) {
+        NSFileManager *fileManager = [NSFileManager defaultManager];
+        NSURL *url = [[fileManager URLsForDirectory:NSApplicationSupportDirectory inDomains:NSUserDomainMask] lastObject];
+        NSString *bundleID = [[NSBundle mainBundle] bundleIdentifier];
+        NSURL *folder = [url URLByAppendingPathComponent:bundleID];
+        [fileManager createDirectoryAtURL:folder withIntermediateDirectories:YES attributes:nil error:NULL];
+        _databaseURL = [folder URLByAppendingPathComponent:@"List.sqlite"];
+
+        [NSFileCoordinator addFilePresenter:self];
+        _fileCoordinator = [[NSFileCoordinator alloc] initWithFilePresenter:self];
+        [self openDatabase];
+    }
+    return self;
+}
+
+#pragma mark - NSFilePresenter
+
+- (NSURL *)presentedItemURL {
+    return _databaseURL;
+}
+
+- (NSOperationQueue *)presentedItemOperationQueue {
+    return _presentedItemOperationQueue;
+}
+
+- (void)invalidateCaches {
+    [_bgConnection flushMemoryWithFlags:YapDatabaseConnectionFlushMemoryFlags_Caches];
+    [_uiConnection endLongLivedReadTransaction];
+    [_uiConnection flushMemoryWithFlags:YapDatabaseConnectionFlushMemoryFlags_Caches];
+    [_uiConnection beginLongLivedReadTransaction];
+}
+
+#pragma mark - Implementation
+
+- (void)openDatabase {
+    NSError *error = nil;
+    [_fileCoordinator coordinateWritingItemAtURL:_databaseURL options:0 error:&error byAccessor:^(NSURL *newURL) {
+        NSLog(@"DB: %@", newURL.path);
+        _database = [[YapDatabase alloc] initWithPath:newURL.path];
+        if (!_database) {
+            NSLog(@"Fatal: unable to create/open database");
+        }
+        _bgConnection = [_database newConnection];
+        _bgConnection.objectCacheLimit = 400;
+        _bgConnection.metadataCacheEnabled = NO;
+
+        _uiConnection = [_database newConnection];
+        _uiConnection.objectCacheLimit = 400;
+        _uiConnection.metadataCacheEnabled = NO;
+#if DEBUG
+        _uiConnection.permittedTransactions = YDB_SyncReadTransaction | YDB_MainThreadOnly;
+#endif
+        [_uiConnection enableExceptionsForImplicitlyEndingLongLivedReadTransaction];
+        [_uiConnection beginLongLivedReadTransaction];
+
+        [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(yapDatabaseModified:)
+                                                     name:YapDatabaseModifiedNotification
+                                                   object:_database];
+    }];
+}
+
+- (void)reconnect {
+    [[NSNotificationCenter defaultCenter] removeObserver:self];
+    _bgConnection = nil;
+    _uiConnection = nil;
+    _database = nil;
+
+    [self openDatabase];
+}
+
+- (void)yapDatabaseModified:(NSNotification *)ignored {
+    [[NSNotificationCenter defaultCenter] postNotificationName:UIDatabaseConnectionWillUpdateNotification object:self];
+    NSArray *notifications = [_uiConnection beginLongLivedReadTransaction];
+    NSDictionary *userInfo = @{ kNotificationsKey : notifications };
+    [[NSNotificationCenter defaultCenter] postNotificationName:UIDatabaseConnectionDidUpdateNotification object:self userInfo:userInfo];
+}
+
+
+@end
diff --git a/Examples/List/List/Images.xcassets/AppIcon.appiconset/Contents.json b/Examples/List/List/Images.xcassets/AppIcon.appiconset/Contents.json
@@ -0,0 +1,58 @@
+{
+  "images" : [
+    {
+      "idiom" : "mac",
+      "size" : "16x16",
+      "scale" : "1x"
+    },
+    {
+      "idiom" : "mac",
+      "size" : "16x16",
+      "scale" : "2x"
+    },
+    {
+      "idiom" : "mac",
+      "size" : "32x32",
+      "scale" : "1x"
+    },
+    {
+      "idiom" : "mac",
+      "size" : "32x32",
+      "scale" : "2x"
+    },
+    {
+      "idiom" : "mac",
+      "size" : "128x128",
+      "scale" : "1x"
+    },
+    {
+      "idiom" : "mac",
+      "size" : "128x128",
+      "scale" : "2x"
+    },
+    {
+      "idiom" : "mac",
+      "size" : "256x256",
+      "scale" : "1x"
+    },
+    {
+      "idiom" : "mac",
+      "size" : "256x256",
+      "scale" : "2x"
+    },
+    {
+      "idiom" : "mac",
+      "size" : "512x512",
+      "scale" : "1x"
+    },
+    {
+      "idiom" : "mac",
+      "size" : "512x512",
+      "scale" : "2x"
+    }
+  ],
+  "info" : {
+    "version" : 1,
+    "author" : "xcode"
+  }
+}
diff --git a/Examples/List/List/Info.plist b/Examples/List/List/Info.plist
@@ -0,0 +1,34 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>CFBundleDevelopmentRegion</key>
+	<string>en</string>
+	<key>CFBundleExecutable</key>
+	<string>$(EXECUTABLE_NAME)</string>
+	<key>CFBundleIconFile</key>
+	<string></string>
+	<key>CFBundleIdentifier</key>
+	<string>com.peerassembly.$(PRODUCT_NAME:rfc1034identifier)</string>
+	<key>CFBundleInfoDictionaryVersion</key>
+	<string>6.0</string>
+	<key>CFBundleName</key>
+	<string>$(PRODUCT_NAME)</string>
+	<key>CFBundlePackageType</key>
+	<string>APPL</string>
+	<key>CFBundleShortVersionString</key>
+	<string>1.0</string>
+	<key>CFBundleSignature</key>
+	<string>????</string>
+	<key>CFBundleVersion</key>
+	<string>1</string>
+	<key>LSMinimumSystemVersion</key>
+	<string>$(MACOSX_DEPLOYMENT_TARGET)</string>
+	<key>NSHumanReadableCopyright</key>
+	<string>Copyright © 2015 Peer Assembly. All rights reserved.</string>
+	<key>NSMainStoryboardFile</key>
+	<string>Main</string>
+	<key>NSPrincipalClass</key>
+	<string>NSApplication</string>
+</dict>
+</plist>
diff --git a/Examples/List/List/ViewController.h b/Examples/List/List/ViewController.h
@@ -0,0 +1,19 @@
+//
+//  ViewController.h
+//  List
+//
+//  Created by Denis Hennessy on 06/04/2015.
+//  Copyright (c) 2015 Peer Assembly. All rights reserved.
+//
+
+#import <Cocoa/Cocoa.h>
+
+@interface ViewController : NSViewController
+
+@property (weak) IBOutlet NSButton *breakfastButton;
+@property (weak) IBOutlet NSButton *lunchButton;
+@property (weak) IBOutlet NSButton *dinnerButton;
+@property (weak) IBOutlet NSTextField *snapshotTextField;
+
+@end
+
diff --git a/Examples/List/List/ViewController.m b/Examples/List/List/ViewController.m
@@ -0,0 +1,60 @@
+//
+//  ViewController.m
+//  List
+//
+//  Created by Denis Hennessy on 06/04/2015.
+//  Copyright (c) 2015 Peer Assembly. All rights reserved.
+//
+
+#import "ViewController.h"
+#import "Database.h"
+
+@implementation ViewController
+
+- (void)viewDidLoad {
+    [super viewDidLoad];
+
+    [self configureUI];
+
+    [[NSNotificationCenter defaultCenter] addObserver:self
+                                             selector:@selector(databaseConnectionDidUpdate:)
+                                                 name:UIDatabaseConnectionDidUpdateNotification
+                                               object:nil];
+}
+
+- (void)databaseConnectionDidUpdate:(NSNotification *)notification {
+    NSLog(@"databaseConnectionDidUpdate");
+    [self configureUI];
+}
+
+- (void)configureUI {
+    [[Database sharedInstance].uiConnection readWithBlock:^(YapDatabaseReadTransaction *transaction) {
+        [_breakfastButton setState:[[transaction objectForKey:@"breakfast" inCollection:@"meals"] integerValue]];
+        [_lunchButton setState:[[transaction objectForKey:@"lunch" inCollection:@"meals"] integerValue]];
+        [_dinnerButton setState:[[transaction objectForKey:@"dinner" inCollection:@"meals"] integerValue]];
+    }];
+    _snapshotTextField.stringValue = [NSString stringWithFormat:@"%llu", [[Database sharedInstance].uiConnection snapshot]];
+}
+
+- (IBAction)mealTapped:(NSButton *)sender {
+    NSString *meal = nil;
+    if (sender == _breakfastButton) {
+        meal = @"breakfast";
+    } else if (sender == _lunchButton) {
+        meal = @"lunch";
+    } else {
+        meal = @"dinner";
+    }
+    [[Database sharedInstance].bgConnection asyncReadWriteWithBlock:^(YapDatabaseReadWriteTransaction *transaction) {
+        [transaction setObject:[NSNumber numberWithInteger:sender.state] forKey:meal inCollection:@"meals"];
+    }];
+
+}
+
+- (IBAction)refreshTapped:(id)sender {
+    [[Database sharedInstance] invalidateCaches];
+    //    [[Database sharedInstance] reconnect];
+    [self configureUI];
+}
+
+@end
diff --git a/Examples/List/List/main.m b/Examples/List/List/main.m
@@ -0,0 +1,13 @@
+//
+//  main.m
+//  List
+//
+//  Created by Denis Hennessy on 06/04/2015.
+//  Copyright (c) 2015 Peer Assembly. All rights reserved.
+//
+
+#import <Cocoa/Cocoa.h>
+
+int main(int argc, const char * argv[]) {
+    return NSApplicationMain(argc, argv);
+}