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Added a method for generating a readable elapsed time string between two dates. #73

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Added a method for generating a readable elapsed time string between two dates. #73

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8f81c5a
Added elapsed time method
SpaceTrucker2196 Oct 27, 2016
077f41b
added elapsed time method
SpaceTrucker2196 Oct 27, 2016
4bad475
Update NSDate+Utilities.m
SpaceTrucker2196 Oct 27, 2016
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3 changes: 3 additions & 0 deletions NSDate+Utilities.h
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Original file line number Diff line number Diff line change
Expand Up @@ -25,6 +25,9 @@
+ (NSDate *) dateWithMinutesFromNow: (NSInteger) dMinutes;
+ (NSDate *) dateWithMinutesBeforeNow: (NSInteger) dMinutes;

//elapsed time in readable string format i.e. 3h 45m
+(NSString *)getTimeElapsedStringBetween:(NSDate *)startDate endDate:(NSDate *)endDate;

// Short string utilities
- (NSString *) stringWithDateStyle: (NSDateFormatterStyle) dateStyle timeStyle: (NSDateFormatterStyle) timeStyle;
- (NSString *) stringWithFormat: (NSString *) format;
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44 changes: 44 additions & 0 deletions NSDate+Utilities.m
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Original file line number Diff line number Diff line change
Expand Up @@ -80,6 +80,50 @@ + (NSDate *) dateWithMinutesBeforeNow: (NSInteger) dMinutes
NSDate *newDate = [NSDate dateWithTimeIntervalSinceReferenceDate:aTimeInterval];
return newDate;
}
#pragma mark - Elapsed Time
+(NSString *)getTimeElapsedStringBetween:(NSDate *)startDate endDate:(NSDate *)endDate {

NSCalendar *gregorian = [[NSCalendar alloc] initWithCalendarIdentifier:NSCalendarIdentifierGregorian];

NSUInteger unitFlags = NSCalendarUnitYear | NSCalendarUnitMonth | NSCalendarUnitDay | NSCalendarUnitHour | NSCalendarUnitMinute;

NSDateComponents *components = [gregorian components:unitFlags
fromDate:startDate
toDate:endDate options:0];
NSInteger years = [components year];
NSInteger months = [components month];
NSInteger days = [components day];
NSInteger hours = [components hour];
NSInteger minutes = [components minute];

NSMutableString *elapsedString = [NSMutableString string];

if (years > 0) [elapsedString appendFormat:@"%lu Y",(long)years];
if (years > 1) [elapsedString appendFormat:@" "];
if (years > 0) [elapsedString appendFormat:@" "];

if (months > 0) [elapsedString appendFormat:@"%lu M",(long)months];
if (months > 1) [elapsedString appendFormat:@" "];
if (months > 0) [elapsedString appendFormat:@" "];

if (days > 0) [elapsedString appendFormat:@"%lu D",(long)days];
if (days > 1) [elapsedString appendFormat:@" "];
if (days > 0) [elapsedString appendFormat:@" "];
if (months < 1) {
if (hours > 0) [elapsedString appendFormat:@"%lu h",(long)hours];
if (hours > 1) [elapsedString appendFormat:@" "];
if (hours > 0) [elapsedString appendFormat:@" "];
if (days < 1) {
if (minutes > 0) [elapsedString appendFormat:@"%lu min ",(long)minutes];
if (minutes > 1) [elapsedString appendFormat:@" "];
if (minutes > 0) [elapsedString appendFormat:@" "];
}
}

return [NSString stringWithString:elapsedString];
}



#pragma mark - String Properties
- (NSString *) stringWithFormat: (NSString *) format
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