Adds JSONHelper methods to read numbers as ints.

MonsterCards/Helpers/JSONHelper.h

@@ -16,10 +16,15 @@ NS_ASSUME_NONNULL_BEGIN
 +(NSString*)readStringFromDictionary:(NSDictionary*)dictionary forKey:(NSString*)key withDefaultValue:(NSString* _Nullable)defaultValue;
 +(NSNumber*)readNumberFromDictionary:(NSDictionary*)dictionary forKey:(NSString*)key;
 +(NSNumber*)readNumberFromDictionary:(NSDictionary*)dictionary forKey:(NSString*)key withDefaultValue:(NSNumber* _Nullable)defaultValue;
++(int)readIntFromDictionary:(NSDictionary*)dictionary forKey:(NSString*)key;
++(int)readIntFromDictionary:(NSDictionary*)dictionary forKey:(NSString*)key withDefaultValue:(int)defaultValue;
+
 +(NSString*)readStringFromArray:(NSArray*)array forIndex:(NSUInteger)index;
 +(NSString*)readStringFromArray:(NSArray*)array forIndex:(NSUInteger)index withDefaultValue:(NSString* _Nullable)defaultValue;
 +(NSNumber*)readNumberFromArray:(NSArray*)array forIndex:(NSUInteger)index;
 +(NSNumber*)readNumberFromArray:(NSArray*)array forIndex:(NSUInteger)index withDefaultValue:(NSNumber* _Nullable)defaultValue;
++(int)readIntFromArray:(NSArray*)array forIndex:(NSUInteger)index;
++(int)readIntFromArray:(NSArray*)array forIndex:(NSUInteger)index withDefaultValue:(int)defaultValue;
 
 @end
 

MonsterCards/Helpers/JSONHelper.m

@@ -26,6 +26,23 @@ NSNumber* coerceObjectToNumber(NSObject *object, NSNumber *defaultValue) {
     return defaultValue;
 }
 
+int coerceObjectToInt(NSObject *object, int defaultValue) {
+    if ([object isKindOfClass:[NSNumber class]]) {
+        return [(NSNumber*)object intValue];
+    }
+
+    if ([object isKindOfClass:[NSString class]]) {
+        NSScanner *scanner;
+        int temp;
+        scanner = [NSScanner scannerWithString:(NSString*)object];
+        if ([scanner scanInt:&temp]) {
+            return temp;
+        }
+    }
+    
+    return defaultValue;
+}
+
 +(NSString*)readStringFromDictionary:(NSDictionary*)dictionary forKey:(NSString*)key {
     return [JSONHelper readStringFromDictionary:dictionary forKey:key withDefaultValue:nil];
 }
@@ -44,6 +61,15 @@ NSNumber* coerceObjectToNumber(NSObject *object, NSNumber *defaultValue) {
     return coerceObjectToNumber(object, defaultValue);
 }
 
++(int)readIntFromDictionary:(NSDictionary*)dictionary forKey:(NSString*)key {
+    return [JSONHelper readIntFromDictionary:dictionary forKey:key withDefaultValue:0];
+}
+
++(int)readIntFromDictionary:(NSDictionary*)dictionary forKey:(NSString*)key withDefaultValue:(int)defaultValue {
+    NSObject *object = [dictionary objectForKey:key];
+    return coerceObjectToInt(object, defaultValue);
+}
+
 +(NSString*)readStringFromArray:(NSArray*)array forIndex:(NSUInteger)index{
     return [JSONHelper readStringFromArray:array forIndex:index withDefaultValue:nil];
 }
@@ -62,4 +88,13 @@ NSNumber* coerceObjectToNumber(NSObject *object, NSNumber *defaultValue) {
     return coerceObjectToNumber(object, defaultValue);
 }
 
++(int)readIntFromArray:(NSArray*)array forIndex:(NSUInteger)index {
+    return [JSONHelper readIntFromArray:array forIndex:index withDefaultValue:0];
+}
+
++(int)readIntFromArray:(NSArray*)array forIndex:(NSUInteger)index withDefaultValue:(int)defaultValue {
+    NSObject *object = [array objectAtIndex:index];
+    return coerceObjectToInt(object, defaultValue);
+}
+
 @end