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Adding support for mapping child attribute to a parent attribute #1

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Adding support for mapping child attribute to a parent attribute #1

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35 changes: 31 additions & 4 deletions BWObjectMapping/BWObjectMapper.m
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Original file line number Diff line number Diff line change
Expand Up @@ -224,16 +224,43 @@ - (id)objectFromJSON:(id)JSON existingObject:(id)object {
////////////////////////////////////////////////////////////////////////////////////////////////////
- (void)mapDictionary:(NSDictionary *)dict toObject:(id)object withMapping:(BWObjectMapping *)mapping {
[mapping.attributeMappings enumerateKeysAndObjectsUsingBlock:^(id key, BWObjectAttributeMapping *attributeMapping, BOOL *stop) {
[[BWObjectValueMapper shared] setValue:[dict objectForKey:attributeMapping.keyPath]
forKeyPath:attributeMapping.attribute
withAttributeMapping:attributeMapping
forObject:object];

NSRange containsDotString = [attributeMapping.keyPath rangeOfString:@"."];
if (containsDotString.location == NSNotFound) {
[self setValue:[dict objectForKey:attributeMapping.keyPath] forMapping:attributeMapping forObject:object];
} else {
NSArray *keys = [attributeMapping.keyPath componentsSeparatedByString:@"."];
[self setNestedValueForKeys:keys fromDictionary:dict forMapping:attributeMapping forObject:object];
}

}];

if (nil != self.didMapObjectBlock) {
self.didMapObjectBlock(object);
}
}

- (void)setValue:(NSString *)value forMapping:(BWObjectAttributeMapping *)attributeMapping forObject:(id)object
{
[[BWObjectValueMapper shared] setValue:value
forKeyPath:attributeMapping.attribute
withAttributeMapping:attributeMapping
forObject:object];
}

- (void)setNestedValueForKeys:(NSArray *)keys fromDictionary:(NSDictionary *)dictionary forMapping:(BWObjectAttributeMapping *)attributeMapping forObject:(id)object
{
id valuesContainer = dictionary;
id value;
for (NSInteger i = 0; i < [keys count]; i++) {
NSString *key = [keys objectAtIndex:i];
if (i == ([keys count] -1 )) {
value = [valuesContainer objectForKey:key];
} else {
valuesContainer = [valuesContainer objectForKey:key];
}
}
[self setValue:value forMapping:attributeMapping forObject:object];
}

@end
6 changes: 6 additions & 0 deletions BWObjectMappingDemo.xcodeproj/project.pbxproj
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Original file line number Diff line number Diff line change
Expand Up @@ -7,6 +7,7 @@
objects = {

/* Begin PBXBuildFile section */
C69C256416D3F1C30008038E /* Person.m in Sources */ = {isa = PBXBuildFile; fileRef = C69C256316D3F1C30008038E /* Person.m */; };
E7018D4E15C6492600D3ADEE /* BWObjectValueMapper.m in Sources */ = {isa = PBXBuildFile; fileRef = E7018D4D15C6492600D3ADEE /* BWObjectValueMapper.m */; };
E7018D5515C65FB000D3ADEE /* Entity.m in Sources */ = {isa = PBXBuildFile; fileRef = E7018D5415C65FB000D3ADEE /* Entity.m */; };
E7B6880F15BAA9E700002F08 /* UIKit.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = E7B6880E15BAA9E700002F08 /* UIKit.framework */; };
Expand Down Expand Up @@ -42,6 +43,8 @@
/* End PBXContainerItemProxy section */

/* Begin PBXFileReference section */
C69C256216D3F1C30008038E /* Person.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = Person.h; sourceTree = "<group>"; };
C69C256316D3F1C30008038E /* Person.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = Person.m; sourceTree = "<group>"; };
E7018D4C15C6492600D3ADEE /* BWObjectValueMapper.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = BWObjectValueMapper.h; sourceTree = "<group>"; };
E7018D4D15C6492600D3ADEE /* BWObjectValueMapper.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = BWObjectValueMapper.m; sourceTree = "<group>"; };
E7018D5315C65FB000D3ADEE /* Entity.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = Entity.h; sourceTree = "<group>"; };
Expand Down Expand Up @@ -150,6 +153,8 @@
E7018D5315C65FB000D3ADEE /* Entity.h */,
E7018D5415C65FB000D3ADEE /* Entity.m */,
E7B6881715BAA9E700002F08 /* Supporting Files */,
C69C256216D3F1C30008038E /* Person.h */,
C69C256316D3F1C30008038E /* Person.m */,
);
path = BWObjectMappingDemo;
sourceTree = "<group>";
Expand Down Expand Up @@ -314,6 +319,7 @@
E7B68A2A15BC98A100002F08 /* User.m in Sources */,
E7018D4E15C6492600D3ADEE /* BWObjectValueMapper.m in Sources */,
E7018D5515C65FB000D3ADEE /* Entity.m in Sources */,
C69C256416D3F1C30008038E /* Person.m in Sources */,
);
runOnlyForDeploymentPostprocessing = 0;
};
Expand Down
19 changes: 19 additions & 0 deletions BWObjectMappingDemo/Person.h
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Original file line number Diff line number Diff line change
@@ -0,0 +1,19 @@
//
// Person.h
// BWObjectMappingDemo
//
// Created by Lucas Medeiros on 19/02/13.
//
//

#import <Foundation/Foundation.h>

@interface Person : NSObject

@property (nonatomic, copy) NSString *name;
@property (nonatomic, copy) NSString *email;
@property (nonatomic, copy) NSString *skype;
@property (nonatomic, strong) NSArray *phones;
@property (nonatomic, strong) NSDictionary *location;

@end
13 changes: 13 additions & 0 deletions BWObjectMappingDemo/Person.m
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Original file line number Diff line number Diff line change
@@ -0,0 +1,13 @@
//
// Person.m
// BWObjectMappingDemo
//
// Created by Lucas Medeiros on 19/02/13.
//
//

#import "Person.h"

@implementation Person

@end
74 changes: 72 additions & 2 deletions BWObjectMappingDemoTests/BWObjectMapperSpecs.m
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Original file line number Diff line number Diff line change
Expand Up @@ -4,6 +4,7 @@
#import "User.h"
#import "Comment.h"
#import "Entity.h"
#import "Person.h"
#import "AppDelegate.h"

#define CUSTOM_VALUE_VALUE @"customValue"
Expand Down Expand Up @@ -54,7 +55,7 @@

NSDictionary *JSON = [NSDictionary dictionaryWithObject:userJSON forKey:@"user"];

NSArray *objects = [[BWObjectMapper shared] objectsFromJSON:JSON];
NSArray *objects = [[BWObjectMapper shared] objectsFromJSON:JSON withObjectClass:[User class]];
User *user = [objects lastObject];
Class class = [[objects lastObject] class];

Expand Down Expand Up @@ -92,7 +93,7 @@
[JSON addObject:dict];
}

int objectCount = [[[BWObjectMapper shared] objectsFromJSON:JSON] count];
int objectCount = [[[BWObjectMapper shared] objectsFromJSON:JSON withObjectClass:[User class]] count];
[[theValue(objectCount) should] equal:theValue(expectedNumberOfObjects)];
});

Expand Down Expand Up @@ -122,6 +123,75 @@

});

context(@"Nested Attributes", ^{

__block Person *person;
__block NSDictionary *JSON;

beforeAll(^{

[BWObjectMapping mappingForObject:[Person class] block:^(BWObjectMapping *mapping) {
[mapping mapKeyPath:@"name" toAttribute:@"name"];
[mapping mapKeyPath:@"contact.email" toAttribute:@"email"];
[mapping mapKeyPath:@"contact.others.skype" toAttribute:@"skype"];
[mapping mapKeyPath:@"contact.phones" toAttribute:@"phones"];
[mapping mapKeyPath:@"address.location" toAttribute:@"location"];
[[BWObjectMapper shared] registerMapping:mapping withRootKeyPath:@"person"];
}];

[[BWObjectMapper shared] objectWithBlock:^id(Class objectClass, NSString *primaryKey, id primaryKeyValue, id JSON) {
return [[objectClass alloc] init];
}];

});

beforeEach(^{

JSON = @{ @"person" : @{ @"name" : @"Lucas",
@"contact" : @{
@"email" : @"[email protected]",
@"phones" : @[ @"(12)1233-1333", @"(85)12331233" ],
@"others" : @{ @"skype" : @"aspmedeiros"}
},
@"address" : @{
@"location" : @{ @"lat": @(-18.123123123), @"long" : @(3.1123123123) }
}
}
};

person = [[BWObjectMapper shared] objectFromJSON:JSON withObjectClass:[Person class]];

});

specify(^{
[[person should] beNonNil];
});

specify(^{
[[person.name should] equal:[[JSON objectForKey:@"person"] objectForKey:@"name"]];
});

specify(^{
[[person.email should] equal:[[[JSON objectForKey:@"person"] objectForKey:@"contact"] objectForKey:@"email"]];
});

specify(^{
[[person.skype should] equal:[[[[JSON objectForKey:@"person"] objectForKey:@"contact"] objectForKey:@"others"] objectForKey:@"skype"]];
});

specify(^{
int phonesCount = [person.phones count];
int expectedPhoneCount = [[[[JSON objectForKey:@"person"] objectForKey:@"contact"] objectForKey:@"phones"] count];
[[theValue(phonesCount) should] equal:theValue(expectedPhoneCount)];
});

specify(^{
[[person.location should] equal:[[[JSON objectForKey:@"person"] objectForKey:@"address"] objectForKey:@"location"]];
});


});

context(@"Core data object", ^{

beforeAll(^{
Expand Down