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//
// NSMutableDictionary+Store.m
// SmartDeviceLink-iOS
//
// Created by Muller, Alexander (A.) on 11/7/16.
// Copyright © 2016 smartdevicelink. All rights reserved.
//
#import "NSMutableDictionary+Store.h"
#import "SDLRPCStruct.h"
#import "SDLError.h"
NS_ASSUME_NONNULL_BEGIN
@implementation NSMutableDictionary (Store)
- (void)sdl_setObject:(nullable NSObject *)object forName:(SDLRPCParameterName)name {
if (object != nil) {
self[name] = object;
} else {
[self removeObjectForKey:name];
}
}
- (nullable id)sdl_objectForName:(SDLRPCParameterName)name {
return self[name];
}
#pragma mark - enum
- (nullable SDLRPCParameterName)sdl_enumForName:(SDLRPCParameterName)name error:(NSError * _Nullable __autoreleasing * _Nullable)error {
return [self sdl_objectForName:name ofClass:NSString.class error:error];
}
#pragma mark - enums
- (nullable NSArray<SDLRPCParameterName> *)sdl_enumsForName:(SDLRPCParameterName)name error:(NSError * _Nullable __autoreleasing * _Nullable)error {
return [self sdl_objectsForName:name ofClass:NSString.class error:error];
}
#pragma mark - object
- (nullable id)sdl_objectForName:(SDLRPCParameterName)name ofClass:(Class)classType error:(NSError * _Nullable __autoreleasing * _Nullable)error {
id obj = [self sdl_objectForName:name];
if (obj == nil || [obj isKindOfClass:classType]) {
return obj;
// translate dictionaries to objects
} else if ([obj isKindOfClass:NSDictionary.class] && [classType instancesRespondToSelector:@selector(initWithDictionary:)]) {
obj = [[classType alloc] initWithDictionary:(NSDictionary *)obj];
// update store so that the object isn't created multiple times
[self sdl_setObject:obj forName:name];
return obj;
} else {
// The object in the store is not correct, we'll assert in debug and return an error and nil
NSError *wrongObjectError = [NSError sdl_rpcStore_invalidObjectErrorWithObject:obj expectedType:classType];
SDLLogAssert(@"Retrieving object from store error: %@, for object key: \"%@\", in dictionary: %@", wrongObjectError.localizedFailureReason, name, self);
if (error) {
*error = wrongObjectError;
}
return nil;
}
}
#pragma mark - objects
- (nullable NSArray *)sdl_objectsForName:(SDLRPCParameterName)name ofClass:(Class)classType error:(NSError * _Nullable __autoreleasing * _Nullable)error {
NSArray *array = [self sdl_objectForName:name ofClass:NSArray.class error:error];
if (array == nil || array.count < 1 || [array.firstObject isKindOfClass:classType]) {
// It's an array of the actual class type, just return
return array;
} else if ([classType instancesRespondToSelector:@selector(initWithDictionary:)]) {
// It's an array of dictionaries, make them into their class type
NSMutableArray *newList = [NSMutableArray arrayWithCapacity:array.count];
for (NSDictionary<NSString *, id> *dict in array) {
if ([dict isKindOfClass:NSDictionary.class]) {
[newList addObject:[[classType alloc] initWithDictionary:dict]];
}
}
array = [newList copy];
[self sdl_setObject:array forName:name];
return array;
} else {
// The object in the store is not correct, we'll assert in debug and return an error and nil
NSError *wrongObjectError = nil;
if ([array isKindOfClass:NSArray.class] && ![array.firstObject isKindOfClass:classType]) {
wrongObjectError = [NSError sdl_rpcStore_invalidObjectErrorWithObject:array.firstObject expectedType:classType];
} else {
wrongObjectError = [NSError sdl_rpcStore_invalidObjectErrorWithObject:array expectedType:NSArray.class];
}
SDLLogAssert(@"Retrieving array from store error: %@", wrongObjectError.localizedFailureReason);
if (error) {
*error = wrongObjectError;
}
return nil;
}
}
@end
NS_ASSUME_NONNULL_END
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