mirror of
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70 lines
2.3 KiB
Objective-C
70 lines
2.3 KiB
Objective-C
//
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// RKRailsRouter.m
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// RestKit
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//
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// Created by Blake Watters on 10/18/10.
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// Copyright 2010 Two Toasters. All rights reserved.
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//
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#import "RKRailsRouter.h"
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#import "../Support/NSString+InflectionSupport.h"
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@implementation RKRailsRouter
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- (id)init {
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if (self = [super init]) {
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_classToModelMappings = [[NSMutableDictionary alloc] init];
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}
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return self;
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}
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- (void)dealloc {
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[_classToModelMappings release];
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[super dealloc];
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}
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- (void)setModelName:(NSString*)modelName forClass:(Class<RKObjectMappable>)class {
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[_classToModelMappings setObject:modelName forKey:class];
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}
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- (NSDictionary*)elementNamesAndPropertyValuesForObject:(NSObject<RKObjectMappable>*)object {
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NSDictionary* mappings = [[object class] elementToPropertyMappings];
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NSMutableDictionary* elementsAndPropertyValues = [NSMutableDictionary dictionaryWithCapacity:[mappings count]];
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// Return all the properties of this model in a dictionary under their element names
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for (NSString* elementName in mappings) {
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NSString* propertyName = [mappings valueForKey:elementName];
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id propertyValue = [object valueForKey:propertyName];
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[elementsAndPropertyValues setValue:propertyValue forKey:elementName];
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}
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return (NSDictionary*) elementsAndPropertyValues;
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}
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#pragma mark RKRouter
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- (NSObject<RKRequestSerializable>*)serializationForObject:(NSObject<RKObjectMappable>*)object method:(RKRequestMethod)method {
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NSDictionary* elementsAndProperties = [self elementNamesAndPropertyValuesForObject:object];
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NSMutableDictionary* resourceParams = [NSMutableDictionary dictionaryWithCapacity:[elementsAndProperties count]];
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NSString* modelName = [_classToModelMappings objectForKey:[object class]];
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if (nil == modelName) {
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NSString* className = NSStringFromClass([object class]);
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[NSException raise:nil format:@"Unable to find registered modelName for class '%@'", className];
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}
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NSString* underscoredModelName = [modelName underscore];
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for (NSString* elementName in [elementsAndProperties allKeys]) {
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id value = [elementsAndProperties valueForKey:elementName];
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NSString* attributeName = [elementName stringByReplacingOccurrencesOfString:@"-" withString:@"_"];
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if (![attributeName isEqualToString:@"id"]) {
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NSString* keyName = [NSString stringWithFormat:@"%@[%@]", underscoredModelName, attributeName];
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[resourceParams setValue:value forKey:keyName];
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}
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}
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return resourceParams;
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}
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@end
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