Database options for version migration

baRSS/Preferences/About Tab/SettingsAboutView.m

@@ -22,17 +22,20 @@
 
 #import "SettingsAboutView.h"
 #import "NSView+Ext.h"
+#import "UserPrefs.h"
 
 @implementation SettingsAboutView
 
 - (instancetype)init {
 	self = [super initWithFrame: NSZeroRect];
-	NSDictionary *infoDict = [[NSBundle mainBundle] infoDictionary];
-	NSString *name = infoDict[@"CFBundleName"];
-	NSString *version = [NSString stringWithFormat:NSLocalizedString(@"Version %@", nil), infoDict[@"CFBundleShortVersionString"]];
+	NSString *name = [UserPrefs appName];
+	NSString *version = [NSString stringWithFormat:NSLocalizedString(@"Version %@", nil),
 #if DEBUG
-	version = [version stringByAppendingFormat:@" (%@)", infoDict[@"CFBundleVersion"]];
+						 [UserPrefs appVersionWithBuildNo]
+#else
+						 [UserPrefs appVersion]
 #endif
+						 ];
 	
 	// Application icon image (top-centered)
 	NSImageView *logo = [[NSView imageView:NSImageNameApplicationIcon size:64] placeIn:self x:CENTER yTop:PAD_M];

baRSS/Preferences/Helper/UserPrefs.h

@@ -23,6 +23,7 @@
 #import <Foundation/Foundation.h>
 
 @interface UserPrefs : NSObject
+// User Preferences Plist
 + (BOOL)defaultYES:(NSString*)key;
 + (BOOL)defaultNO:(NSString*)key;
 
@@ -30,7 +31,20 @@
 + (void)setHttpApplication:(NSString*)bundleID;
 + (BOOL)openURLsWithPreferredBrowser:(NSArray<NSURL*>*)urls;
 
+// Hidden Plist Properties
 + (NSUInteger)openFewLinksLimit; // Change with: 'defaults write de.relikd.baRSS openFewLinksLimit -int 10'
 + (NSUInteger)shortArticleNamesLimit; // Change with: 'defaults write de.relikd.baRSS shortArticleNamesLimit -int 50'
 + (NSUInteger)articlesInMenuLimit; // Change with: 'defaults write de.relikd.baRSS articlesInMenuLimit -int 40'
+
+// Application Info Plist
++ (NSString*)appName;
++ (NSString*)appVersion;
++ (NSString*)appVersionWithBuildNo;
+
+// Core Data Properties
++ (BOOL)dbIsUnusedInitalState;
++ (BOOL)dbIsCurrentFileVersion;
++ (BOOL)dbIsCurrentAppVersion;
++ (void)dbUpdateFileVersion;
++ (void)dbUpdateAppVersion;
 @end

baRSS/Preferences/Helper/UserPrefs.m

@@ -21,10 +21,14 @@
 //  SOFTWARE.
 
 #import "UserPrefs.h"
+#import "StoreCoordinator.h"
+
 #import <Cocoa/Cocoa.h>
 
 @implementation UserPrefs
 
+#pragma mark - User Preferences Plist
+
 /// @return @c YES if key is not set. Otherwise, return user defaults property from plist.
 + (BOOL)defaultYES:(NSString*)key {
 	if ([[NSUserDefaults standardUserDefaults] objectForKey:key] == NULL) {
@@ -66,8 +70,10 @@
 	return [[NSWorkspace sharedWorkspace] openURLs:urls withAppBundleIdentifier:[self getHttpApplication] options:NSWorkspaceLaunchDefault additionalEventParamDescriptor:nil launchIdentifiers:nil];
 }
 
+
 #pragma mark - Hidden Plist Properties -
 
+
 /// @return The limit on how many links should be opened at the same time, if user holds the option key.
 /// Default: @c 10
 + (NSUInteger)openFewLinksLimit {
@@ -86,4 +92,61 @@
 	return (NSUInteger)[self defaultInt:40 forKey:@"articlesInMenuLimit"];
 }
 
+
+#pragma mark - Application Info Plist
+
+
+/// @return The application name, e.g., 'baRSS' or 'baRSS Beta'
++ (NSString*)appName {
+	return [[NSBundle mainBundle] infoDictionary][(NSString*)kCFBundleNameKey];
+}
+
+/// @return The application version number, e.g., '0.9.4'
++ (NSString*)appVersion {
+	return [[NSBundle mainBundle] infoDictionary][@"CFBundleShortVersionString"];
+}
+
+/// @return The application version number including build number, e.g., '0.9.4 (9906)'
++ (NSString*)appVersionWithBuildNo {
+	NSString *buildNo = [[NSBundle mainBundle] infoDictionary][@"CFBundleVersion"];
+	return [[self appVersion] stringByAppendingFormat:@" (%@)", buildNo];
+}
+
+
+#pragma mark - Core Data Properties -
+
+
+/// Helper method that retrieves and transforms option value to int
++ (int)dbIntForKey:(NSString*)key defaultsTo:(int)otherwise {
+	NSString *str = [StoreCoordinator optionForKey:key];
+	if (!str) return otherwise;
+	int num = [NSDecimalNumber decimalNumberWithString:str].intValue;
+	return isnan(num) ? otherwise : num;
+}
+
+/// Check whether the database was just initialized (first install)
++ (BOOL)dbIsUnusedInitalState {
+	return [StoreCoordinator optionForKey:@"db-version"] == nil;
+}
+
+/// Check whether the stored database version is up to date
++ (BOOL)dbIsCurrentFileVersion {
+	return [self dbIntForKey:@"db-version" defaultsTo:-1] == dbFileVersion;
+}
+
+/// Write current database version to core data
++ (void)dbUpdateFileVersion {
+	[StoreCoordinator setOption:@"db-version" value:[NSString stringWithFormat:@"%d", dbFileVersion]];
+}
+
+/// Check whether the stored application version is up to date
++ (BOOL)dbIsCurrentAppVersion {
+	return [[StoreCoordinator optionForKey:@"app-version"] isEqualToString:[self appVersion]];
+}
+
+/// Write current application version to core data
++ (void)dbUpdateAppVersion {
+	[StoreCoordinator setOption:@"app-version" value:[self appVersion]];
+}
+
 @end