Before Mantle

CBCosmDatastream.m

@implementation CBCosmDatastream

- (id)initWithAttributes:(NSDictionary*)attributes
{
   self = [super init];
   
   if (self)
   {
      if (!attributes)
      {
         return nil;
      }
      
      for (NSString* key in attributes)
      {
         [self setValue:[attributes valueForKey:key]
                 forKey:key];
      }
   }
   
   return self;
}

#pragma mark - Equality

- (NSUInteger)hash
{
   return [self.datastreamId hash];
}

- (BOOL)isEqual:(id)object
{
   if ([object isKindOfClass:[CBCosmDatastream class]])
   {
      CBCosmDatastream* otherDatastream = (CBCosmDatastream*)object;
      
      return [self.datastreamId isEqualToNumber:otherDatastream.datastreamId];
   }
   else
   {
      return NO;
   }
}

#pragma mark - KVC

- (void)setValue:(id)value forKey:(NSString*)key
{
   if ([key isEqualToString:@"id"])
   {
      [super setValue:value forKey:@"datastreamId"];
   }
   else if ([key isEqualToString:@"at"])
   {
      [super setValue:value forKey:@"updated"];
   }
   else if ([key isEqualToString:@"current_value"])
   {
      [super setValue:value forKey:@"value"];
   }
   else if ([key isEqualToString:@"min_value"])
   {
      [super setValue:value forKey:@"minValue"];
   }
   else if ([key isEqualToString:@"max_value"])
   {
      [super setValue:value forKey:@"maxValue"];
   }
   else if ([key isEqualToString:@"datapoints"])
   {
      if ([value isKindOfClass:[NSArray class]])
      {
         NSArray* values = (NSArray*)value;
         NSMutableArray* datapoints = [NSMutableArray arrayWithCapacity:[values count]];
         
         for (NSDictionary* attributes in values)
         {
            CBCosmDatapoint* datapoint = [[CBCosmDatapoint alloc] initWithAttributes:attributes];
            [datapoints addObject:datapoint];
         }
         
         _datapoints = datapoints;
      }
   }
}

@end