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Add a nice warning if we don't find a model class for a relationship in RKObjectMapper setRelationshipOfModel:forElements

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This commit is contained in:
Stefan Eletzhofer
2011-03-02 12:57:46 +01:00
parent dff95edcfd
commit 9184b2b0f2
1 changed files with 53 additions and 44 deletions
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97
Code/ObjectMapping/RKObjectMapper.m
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@@ -373,14 +373,24 @@ static const NSString* kRKModelMapperMappingFormatParserKey = @"RKMappingFormatP
@catch (NSException* e) {
NSLog(@"Caught exception:%@ when trying valueForKeyPath with path:%@ for elements:%@", e, elementKeyPath, elements);
}
// NOTE: The last part of the keyPath contains the elementName for the mapped destination class of our children
NSArray* componentsOfKeyPath = [elementKeyPath componentsSeparatedByString:@"."];
NSString *className = [componentsOfKeyPath objectAtIndex:[componentsOfKeyPath count] - 1];
Class modelClass = [_elementToClassMappings objectForKey:className];
if (![modelClass isKindOfClass: [NSNull class]]) {
NSLog(@"Warning: could not find a class mapping for relationship '%@':", className);
NSLog(@" parent class : %@", [object class]);
NSLog(@" elements to map: %@", elements);
NSLog(@"maybe you want to register your model with the object mapper or you want to pluralize the keypath?");
break;
}
// TODO: Need to send NSSet or NSArray depending on what the property type is...
Class collectionClass = [self typeClassForProperty:propertyName ofClass:[object class]];
// if ([relationshipElements isKindOfClass:[NSArray class]] || [relationshipElements isKindOfClass:[NSSet class]]) {
if ([collectionClass isSubclassOfClass:[NSSet class]] || [collectionClass isSubclassOfClass:[NSArray class]]) {
// NOTE: The last part of the keyPath contains the elementName for the mapped destination class of our children
NSArray* componentsOfKeyPath = [elementKeyPath componentsSeparatedByString:@"."];
Class class = [_elementToClassMappings objectForKey:[componentsOfKeyPath objectAtIndex:[componentsOfKeyPath count] - 1]];
// if ([relationshipElements isKindOfClass:[NSArray class]] || [relationshipElements isKindOfClass:[NSSet class]])
if ([collectionClass isSubclassOfClass:[NSSet class]] || [collectionClass isSubclassOfClass:[NSArray class]])
{
id children = nil;
if ([collectionClass isSubclassOfClass:[NSSet class]]) {
children = [NSMutableSet setWithCapacity:[relationshipElements count]];
@@ -388,45 +398,44 @@ static const NSString* kRKModelMapperMappingFormatParserKey = @"RKMappingFormatP
children = [NSMutableArray arrayWithCapacity:[relationshipElements count]];
}
for (NSDictionary* childElements in relationshipElements) {
id child = [self createOrUpdateInstanceOfModelClass:class fromElements:childElements];
if (child) {
[(NSMutableArray*)children addObject:child];
}
}
[object setValue:children forKey:propertyName];
} else if ([relationshipElements isKindOfClass:[NSDictionary class]]) {
NSArray* componentsOfKeyPath = [elementKeyPath componentsSeparatedByString:@"."];
Class class = [_elementToClassMappings objectForKey:[componentsOfKeyPath objectAtIndex:[componentsOfKeyPath count] - 1]];
id child = [self createOrUpdateInstanceOfModelClass:class fromElements:relationshipElements];
[object setValue:child forKey:propertyName];
}
}
if ([object isKindOfClass:[RKManagedObject class]]) {
RKManagedObject* managedObject = (RKManagedObject*)object;
NSDictionary* relationshipToPkPropertyMappings = [[managedObject class] relationshipToPrimaryKeyPropertyMappings];
for (NSString* relationship in relationshipToPkPropertyMappings) {
NSString* primaryKeyPropertyString = [relationshipToPkPropertyMappings objectForKey:relationship];
NSNumber* objectPrimaryKeyValue = nil;
@try {
objectPrimaryKeyValue = [managedObject valueForKeyPath:primaryKeyPropertyString];
} @catch (NSException* e) {
NSLog(@"Caught exception:%@ when trying valueForKeyPath with path:%@ for object:%@", e, primaryKeyPropertyString, managedObject);
}
NSDictionary* relationshipsByName = [[managedObject entity] relationshipsByName];
NSEntityDescription* relationshipDestinationEntity = [[relationshipsByName objectForKey:relationship] destinationEntity];
id relationshipDestinationClass = objc_getClass([[relationshipDestinationEntity managedObjectClassName] cStringUsingEncoding:NSUTF8StringEncoding]);
RKManagedObject* relationshipValue = [[[RKObjectManager sharedManager] objectStore] findOrCreateInstanceOfManagedObject:relationshipDestinationClass
for (NSDictionary* childElements in relationshipElements) {
id child = [self createOrUpdateInstanceOfModelClass:modelClass fromElements:childElements];
if (child) {
[(NSMutableArray*)children addObject:child];
}
}
[object setValue:children forKey:propertyName];
} else if ([relationshipElements isKindOfClass:[NSDictionary class]]) {
id child = [self createOrUpdateInstanceOfModelClass:modelClass fromElements:relationshipElements];
[object setValue:child forKey:propertyName];
}
}
if ([object isKindOfClass:[RKManagedObject class]]) {
RKManagedObject* managedObject = (RKManagedObject*)object;
NSDictionary* relationshipToPkPropertyMappings = [[managedObject class] relationshipToPrimaryKeyPropertyMappings];
for (NSString* relationship in relationshipToPkPropertyMappings) {
NSString* primaryKeyPropertyString = [relationshipToPkPropertyMappings objectForKey:relationship];
NSNumber* objectPrimaryKeyValue = nil;
@try {
objectPrimaryKeyValue = [managedObject valueForKeyPath:primaryKeyPropertyString];
} @catch (NSException* e) {
NSLog(@"Caught exception:%@ when trying valueForKeyPath with path:%@ for object:%@", e, primaryKeyPropertyString, managedObject);
}
NSDictionary* relationshipsByName = [[managedObject entity] relationshipsByName];
NSEntityDescription* relationshipDestinationEntity = [[relationshipsByName objectForKey:relationship] destinationEntity];
id relationshipDestinationClass = objc_getClass([[relationshipDestinationEntity managedObjectClassName] cStringUsingEncoding:NSUTF8StringEncoding]);
RKManagedObject* relationshipValue = [[[RKObjectManager sharedManager] objectStore] findOrCreateInstanceOfManagedObject:relationshipDestinationClass
withPrimaryKeyValue:objectPrimaryKeyValue];
if (relationshipValue) {
[managedObject setValue:relationshipValue forKey:relationship];
}
}
}
if (relationshipValue) {
[managedObject setValue:relationshipValue forKey:relationship];
}
}
}
}
- (void)updateModel:(id)model fromElements:(NSDictionary*)elements {