Files
Texture/examples/ASDKgram/Sample/PhotoModel.m

106 lines
3.8 KiB
Objective-C

//
// PhotoModel.m
// Texture
//
// Copyright (c) Facebook, Inc. and its affiliates. All rights reserved.
// Changes after 4/13/2017 are: Copyright (c) Pinterest, Inc. All rights reserved.
// Licensed under Apache 2.0: http://www.apache.org/licenses/LICENSE-2.0
//
#import "PhotoModel.h"
#import "Utilities.h"
@implementation PhotoModel
{
NSDictionary *_dictionaryRepresentation;
NSString *_uploadDateRaw;
}
#pragma mark - Lifecycle
- (instancetype)initWithUnsplashPhoto:(NSDictionary *)photoDictionary
{
self = [super init];
if (self) {
_dictionaryRepresentation = photoDictionary;
_uploadDateRaw = [photoDictionary objectForKey:@"created_at"];
_photoID = [photoDictionary objectForKey:@"id"];
_descriptionText = [photoDictionary valueForKeyPath:@"description"];
_likesCount = [[photoDictionary objectForKey:@"likes"] integerValue];
_location = [photoDictionary objectForKey:@"location"];
NSString *urlString = [photoDictionary objectForKey:@"urls"][@"regular"];
_URL = urlString ? [NSURL URLWithString:urlString] : nil;
_ownerUserProfile = [[UserModel alloc] initWithUnsplashPhoto:photoDictionary];
_uploadDateString = [NSString elapsedTimeStringSinceDate:_uploadDateRaw];
_height = [[photoDictionary objectForKey:@"height"] integerValue];
_width = [[photoDictionary objectForKey:@"width"] integerValue];
}
return self;
}
#pragma mark - Instance Methods
- (NSAttributedString *)descriptionAttributedStringWithFontSize:(CGFloat)size
{
if ((id)self.descriptionText == [NSNull null] || self.descriptionText.length == 0) {
return [[NSAttributedString alloc] init];
}
NSString *descriptionText = self.descriptionText;
NSMutableAttributedString *attributedString = [[NSAttributedString attributedStringWithString:descriptionText fontSize:size color:[UIColor darkGrayColor] firstWordColor:nil] mutableCopy];
// Scan through description text for links
static NSDataDetector *dataDector = nil;
static dispatch_once_t onceToken;
dispatch_once(&onceToken, ^{
dataDector = [NSDataDetector dataDetectorWithTypes:NSTextCheckingTypeLink error:nil];
});
[dataDector enumerateMatchesInString:descriptionText options:kNilOptions range:NSMakeRange(0, descriptionText.length) usingBlock:^(NSTextCheckingResult * _Nullable result, NSMatchingFlags flags, BOOL * _Nonnull stop) {
NSRange range = result.range;
[attributedString addAttribute:NSLinkAttributeName value:[descriptionText substringWithRange:range] range:range];
[attributedString addAttribute:NSForegroundColorAttributeName value:[UIColor darkBlueColor] range:range];
}];
return [attributedString copy];
}
- (NSAttributedString *)uploadDateAttributedStringWithFontSize:(CGFloat)size
{
return [NSAttributedString attributedStringWithString:self.uploadDateString fontSize:size color:[UIColor lightGrayColor] firstWordColor:nil];
}
- (NSAttributedString *)likesAttributedStringWithFontSize:(CGFloat)size
{
NSString *likesString = [NSString stringWithFormat:@"♥︎ %lu likes", (unsigned long)self.likesCount];
return [NSAttributedString attributedStringWithString:likesString fontSize:size color:[UIColor darkBlueColor] firstWordColor:nil];
}
- (NSAttributedString *)locationAttributedStringWithFontSize:(CGFloat)size
{
return [NSAttributedString attributedStringWithString:self.location fontSize:size color:[UIColor lightBlueColor] firstWordColor:nil];
}
- (NSString *)description
{
return [NSString stringWithFormat:@"%@ - %@", self.photoID, self.descriptionText];
}
- (id<NSObject>)diffIdentifier
{
return self.photoID;
}
- (BOOL)isEqualToDiffableObject:(id<IGListDiffable>)object
{
return [self isEqual:object];
}
@end