add nscoding for SHmodel

Author: ndduy

SHModelObject.xcodeproj/project.xcworkspace/xcshareddata/SHModelObject.xccheckout

@@ -5,34 +5,34 @@
 	<key>IDESourceControlProjectFavoriteDictionaryKey</key>
 	<false/>
 	<key>IDESourceControlProjectIdentifier</key>
-	<string>9DE4911E-4957-4F30-B892-61F2E6812059</string>
+	<string>BBC6A4B8-4768-465C-B90C-4197CE7B15FD</string>
 	<key>IDESourceControlProjectName</key>
 	<string>SHModelObject</string>
 	<key>IDESourceControlProjectOriginsDictionary</key>
 	<dict>
-		<key>35F320BD-5827-4179-8696-C57E84417A71</key>
-		<string>https://github.com/grevolution/SHModelObject.git</string>
+		<key>454FEFC7-BFFF-4DA5-B089-6B427C2C7510</key>
+		<string>https://github.com/ndduy/SHModelObject.git</string>
 	</dict>
 	<key>IDESourceControlProjectPath</key>
 	<string>SHModelObject.xcodeproj/project.xcworkspace</string>
 	<key>IDESourceControlProjectRelativeInstallPathDictionary</key>
 	<dict>
-		<key>35F320BD-5827-4179-8696-C57E84417A71</key>
+		<key>454FEFC7-BFFF-4DA5-B089-6B427C2C7510</key>
 		<string>../..</string>
 	</dict>
 	<key>IDESourceControlProjectURL</key>
-	<string>https://github.com/grevolution/SHModelObject.git</string>
+	<string>https://github.com/ndduy/SHModelObject.git</string>
 	<key>IDESourceControlProjectVersion</key>
 	<integer>110</integer>
 	<key>IDESourceControlProjectWCCIdentifier</key>
-	<string>35F320BD-5827-4179-8696-C57E84417A71</string>
+	<string>454FEFC7-BFFF-4DA5-B089-6B427C2C7510</string>
 	<key>IDESourceControlProjectWCConfigurations</key>
 	<array>
 		<dict>
 			<key>IDESourceControlRepositoryExtensionIdentifierKey</key>
 			<string>public.vcs.git</string>
 			<key>IDESourceControlWCCIdentifierKey</key>
-			<string>35F320BD-5827-4179-8696-C57E84417A71</string>
+			<string>454FEFC7-BFFF-4DA5-B089-6B427C2C7510</string>
 			<key>IDESourceControlWCCName</key>
 			<string>SHModelObject</string>
 		</dict>

SHModelObject/SHAppDelegate.m

@@ -57,8 +57,16 @@ - (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(
                                             dateConversionOption:kDateConverstionFromNSStringToNSDateOption
                                                    inputDateType:kInputDateFormatDotNetWithTimeZone mappings:mapping];
 
-    NSLog([modal description], nil);
+    NSArray *paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES);
+    NSString *documentsDirectoryPath = [paths objectAtIndex:0];
+    NSString *filePath = [documentsDirectoryPath stringByAppendingPathComponent:@"appData"];
 
+    BOOL isArchived = [NSKeyedArchiver archiveRootObject:modal toFile:filePath];
+    SHTestModal *unarchived = [NSKeyedUnarchiver unarchiveObjectWithFile:filePath];
+
+    NSLog([modal description], nil);
+    NSLog([unarchived description], nil);
+
 
     return YES;
 }

SHModelObject/SHModelObject/SHModelObject.h

@@ -46,7 +46,7 @@ typedef NS_ENUM(int, kInputDateFormat) {
  *  by passing a NSDictionary to it. The NSDictionary key is compared with the instance variable name and the value is 
  *  populated to the variable.
  */
-@interface SHModelObject : NSObject <SHModelSerialization>
+@interface SHModelObject : NSObject <SHModelSerialization, NSCoding>
 
 /**
  *  class initializer

SHModelObject/SHModelObject/SHModelObject.m

@@ -109,6 +109,54 @@ - (instancetype)initWithDictionary:(NSDictionary *)dictionary dateConversionOpti
     return self;
 }
 
+// NSCoding
+- (NSArray *)propertyNames
+{
+    NSMutableArray *array = [NSMutableArray array];
+
+    //List of ivars
+    id class = objc_getClass([NSStringFromClass([self class]) UTF8String]);
+    _ivars = class_copyIvarList(class, &_outCount);
+    
+    //If it match our ivar name, then set it
+    for (unsigned int i = 0; i < _outCount; i++)
+    {
+        Ivar ivar = _ivars[i];
+        NSString *ivarName = [NSString stringWithCString:ivar_getName(ivar) encoding:NSUTF8StringEncoding];
+        [array addObject:ivarName];
+    }
+    
+    free(_ivars);
+    _ivars = NULL;    
+    return array;
+}
+
+- (id)initWithCoder:(NSCoder *)aDecoder
+{
+    if ((self = [self init]))
+    {
+        // Loop through the properties
+        for (NSString *key in [self propertyNames])
+        {
+            // Decode the property, and use the KVC setValueForKey: method to set it
+            id value = [aDecoder decodeObjectForKey:key];
+            [self setValue:value forKey:key];
+        }
+    }
+    return self;
+}
+
+- (void)encodeWithCoder:(NSCoder *)aCoder
+{
+    // Loop through the properties
+    for (NSString *key in [self propertyNames])
+    {
+        // Use the KVC valueForKey: method to get the property and then encode it
+        id value = [self valueForKey:key];
+        [aCoder encodeObject:value forKey:key];
+    }
+}
+
 //
 - (instancetype)updateWithDictionary:(NSDictionary *)dictionary;
 {