103 lines
2.1 KiB
Objective-C
Executable File
103 lines
2.1 KiB
Objective-C
Executable File
//
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// RSParsedArticle.m
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// RSParser
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//
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// Created by Brent Simmons on 12/6/14.
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// Copyright (c) 2014 Ranchero Software LLC. All rights reserved.
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//
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#import "RSParsedArticle.h"
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#import "RSParserInternal.h"
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#import "NSString+RSParser.h"
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@implementation RSParsedArticle
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#pragma mark - Init
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- (instancetype)initWithFeedURL:(NSString *)feedURL {
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NSParameterAssert(feedURL != nil);
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self = [super init];
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if (!self) {
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return nil;
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}
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_feedURL = feedURL;
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_dateParsed = [NSDate date];
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return self;
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}
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#pragma mark - Accessors
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- (NSString *)articleID {
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if (!_articleID) {
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_articleID = self.calculatedUniqueID;
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}
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return _articleID;
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}
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- (NSString *)calculatedUniqueID {
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/*guid+feedID, or a combination of properties when no guid. Then hash the result.
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In general, feeds should have guids. When they don't, re-runs are very likely,
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because there's no other 100% reliable way to determine identity.*/
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NSMutableString *s = [NSMutableString stringWithString:@""];
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NSString *datePublishedTimeStampString = nil;
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if (self.datePublished) {
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datePublishedTimeStampString = [NSString stringWithFormat:@"%.0f", self.datePublished.timeIntervalSince1970];
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}
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if (!RSParserStringIsEmpty(self.guid)) {
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[s appendString:self.guid];
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}
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else if (!RSParserStringIsEmpty(self.link) && self.datePublished != nil) {
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[s appendString:self.link];
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[s appendString:datePublishedTimeStampString];
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}
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else if (!RSParserStringIsEmpty(self.title) && self.datePublished != nil) {
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[s appendString:self.title];
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[s appendString:datePublishedTimeStampString];
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}
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else if (self.datePublished != nil) {
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[s appendString:datePublishedTimeStampString];
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}
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else if (!RSParserStringIsEmpty(self.link)) {
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[s appendString:self.link];
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}
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else if (!RSParserStringIsEmpty(self.title)) {
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[s appendString:self.title];
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}
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else if (!RSParserStringIsEmpty(self.body)) {
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[s appendString:self.body];
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}
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NSAssert(!RSParserStringIsEmpty(self.feedURL), nil);
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[s appendString:self.feedURL];
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return [s rsparser_md5Hash];
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}
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- (void)calculateArticleID {
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(void)self.articleID;
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}
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@end
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