Initial import.

RSXML/RSParsedArticle.m

@@ -0,0 +1,101 @@
+//
+//  RSParsedArticle.m
+//  RSXML
+//
+//  Created by Brent Simmons on 12/6/14.
+//  Copyright (c) 2014 Ranchero Software LLC. All rights reserved.
+//
+
+#import "RSParsedArticle.h"
+#import "RSXMLInternal.h"
+
+
+@implementation RSParsedArticle
+
+
+#pragma mark - Init
+
+- (instancetype)initWithFeedURL:(NSString *)feedURL {
+	
+	NSParameterAssert(feedURL != nil);
+	
+	self = [super init];
+	if (!self) {
+		return nil;
+	}
+	
+	_feedURL = feedURL;
+	_dateParsed = [NSDate date];
+	
+	return self;
+}
+
+
+#pragma mark - Accessors
+
+- (NSString *)articleID {
+	
+	if (!_articleID) {
+		_articleID = self.calculatedUniqueID;
+	}
+	
+	return _articleID;
+}
+
+
+- (NSString *)calculatedUniqueID {
+
+	/*guid+feedID, or a combination of properties when no guid. Then hash the result.
+		In general, feeds should have guids. When they don't, re-runs are very likely,
+		because there's no other 100% reliable way to determine identity.*/
+
+	NSMutableString *s = [NSMutableString stringWithString:@""];
+	
+	NSString *datePublishedTimeStampString = nil;
+	if (self.datePublished) {
+		datePublishedTimeStampString = [NSString stringWithFormat:@"%.0f", self.datePublished.timeIntervalSince1970];
+	}
+	
+	if (!RSXMLStringIsEmpty(self.guid)) {
+		[s appendString:self.guid];
+	}
+
+	else if (!RSXMLStringIsEmpty(self.link) && self.datePublished != nil) {
+		[s appendString:self.link];
+		[s appendString:datePublishedTimeStampString];
+	}
+
+	else if (!RSXMLStringIsEmpty(self.title) && self.datePublished != nil) {
+		[s appendString:self.title];
+		[s appendString:datePublishedTimeStampString];
+	}
+
+	else if (self.datePublished != nil) {
+		[s appendString:datePublishedTimeStampString];
+	}
+
+	else if (!RSXMLStringIsEmpty(self.link)) {
+		[s appendString:self.link];
+	}
+
+	else if (!RSXMLStringIsEmpty(self.title)) {
+		[s appendString:self.title];
+	}
+	
+	else if (!RSXMLStringIsEmpty(self.body)) {
+		[s appendString:self.body];
+	}
+
+	NSAssert(!RSXMLStringIsEmpty(self.feedURL), nil);
+	[s appendString:self.feedURL];
+
+	return [s rsxml_md5HashString];
+}
+
+- (void)calculateArticleID {
+	
+	(void)self.articleID;
+}
+
+@end
+