DataLoader.m

gistfile1.m

// Configuration elsewhere in the file
self.paginationMapping = [RKObjectMapping mappingForClass:[RKObjectPaginator class]];
[paginationMapping mapKeyPath:@"current_page" toAttribute:@"currentPage"];
[paginationMapping mapKeyPath:@"per_page" toAttribute:@"perPage"];
[paginationMapping mapKeyPath:@"total_entries" toAttribute:@"objectCount"];

// Object Mappings for Unit Pricing
self.unitPricingMapping = [RKManagedObjectMapping mappingForClass:[UnitPricingEntry class] inManagedObjectStore:self.objectManager.objectStore];
[unitPricingMapping mapKeyPath:@"id" toAttribute:@"unitPricingEntryId"];
[unitPricingMapping setPrimaryKeyAttribute:@"unitPricingEntryId"];
[unitPricingMapping mapAttributes:@"unitId", @"leaseTermId", @"rent", @"startDate", @"endDate", @"active", nil];

[unitPricingMapping mapRelationship:@"leaseTerm" withMapping:leaseTermMapping];
[unitPricingMapping connectRelationship:@"leaseTerm" withObjectForPrimaryKeyAttribute:@"leaseTermId"];
[unitPricingMapping mapRelationship:@"unit" withMapping:unitMapping];
[unitPricingMapping connectRelationship:@"unit" withObjectForPrimaryKeyAttribute:@"unitId"];
 

self.objectManager.mappingProvider.paginationMapping = paginationMapping;
[self.objectManager.mappingProvider setMapping:unitPricingMapping forKeyPath:@"entries"];



// this is executed after many loadObjectsAtResourcePath are called, so should be queued up behind them
NSString *unitPricingUrl = [self createCommuntiyApiUrl:@"unit-variable-rent?page=:currentPage&totalPerPage=:perPage" sinceDate:self.lastUnitPricingSync];
RKURL *url = [RKURL URLWithBaseURL:self.objectManager.baseURL resourcePath:unitPricingUrl];
RKObjectPaginator *paginator = [RKObjectPaginator paginatorWithPatternURL:url mappingProvider:self.objectManager.mappingProvider];
paginator.delegate = self;
[paginator loadPage:1];

paginator.onDidLoadObjectsForPage = ^(NSArray *objects, NSUInteger page) {
    if (paginator.hasNextPage) {
        [paginator loadNextPage];
    }
};