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Add support for skipping relationship connections if all connection attributes evaluate to nil. Add support for establishing connections when some connection attributes evaluate to nil. fixes #1099 closes #1102

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This commit is contained in:
Blake Watters
2012-12-25 23:53:01 -05:00
parent aecc1db352
commit 4b2b7dbe4c
2 changed files with 42 additions and 2 deletions
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5
Code/CoreData/RKRelationshipConnectionOperation.m
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@@ -45,9 +45,9 @@ static NSDictionary *RKConnectionAttributeValuesWithObject(RKConnectionDescripti
for (NSString *sourceAttribute in connection.attributes) {
NSString *destinationAttribute = [connection.attributes objectForKey:sourceAttribute];
id sourceValue = [managedObject valueForKey:sourceAttribute];
[destinationEntityAttributeValues setValue:sourceValue forKey:destinationAttribute];
[destinationEntityAttributeValues setValue:sourceValue ?: [NSNull null] forKey:destinationAttribute];
}
return destinationEntityAttributeValues;
return [[destinationEntityAttributeValues allValues] isEqualToArray:@[ [NSNull null] ]] ? nil : destinationEntityAttributeValues;
}
@interface RKRelationshipConnectionOperation ()
@@ -143,6 +143,7 @@ static NSDictionary *RKConnectionAttributeValuesWithObject(RKConnectionDescripti
if ([self.connection isForeignKeyConnection]) {
NSDictionary *attributeValues = RKConnectionAttributeValuesWithObject(self.connection, self.managedObject);
if ([attributeValues count] == 0) return nil;
NSSet *managedObjects = [self.managedObjectCache managedObjectsWithEntity:[self.connection.relationship destinationEntity]
attributeValues:attributeValues
inManagedObjectContext:self.managedObjectContext];