226 lines
8.7 KiB
Objective-C
226 lines
8.7 KiB
Objective-C
//
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// UMComTools.m
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// UMCommunity
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//
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// Created by luyiyuan on 14/10/9.
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// Copyright (c) 2014年 Umeng. All rights reserved.
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//
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#import "UMComResouceDefines.h"
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/*2.4版本的时间显示*/
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static NSCalendar* g_UMCalendar = nil;
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static NSCalendar* g_UMCurrentCalendar = nil;
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NSString* const g_UMNullDateFormat = @"";
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NSString* const g_UMFullDateFormat = @"yyyy-MM-dd HH:mm:ss";
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NSString* const g_UMTodayDateFormat = @"HH:mm";
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NSString* const g_UMCurYearDateFormat = @"MM-dd";
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NSString* const g_UMBeforeCurYearDateFormat = @"yy-MM-dd";
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NSString* const g_UMAfterCurYearDateFormat = @"yy-MM-dd";
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NSString* const g_UMYesteday = @"昨天";
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NSString* createTimeString(NSString * create_time)
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{
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if (![create_time isKindOfClass:[NSString class]] || create_time.length == 0) {
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return g_UMNullDateFormat;
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}
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NSDateFormatter *dateFormatter = [[NSDateFormatter alloc] init];
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if (!g_UMCalendar) {
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g_UMCalendar = [[NSCalendar alloc] initWithCalendarIdentifier:NSGregorianCalendar];
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}
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[dateFormatter setCalendar:g_UMCalendar];
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[dateFormatter setDateFormat:g_UMFullDateFormat];
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NSDate *createDate= [dateFormatter dateFromString:create_time];
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if (createDate == nil) {
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return g_UMNullDateFormat;
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}
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if (!g_UMCurrentCalendar) {
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g_UMCurrentCalendar = [NSCalendar currentCalendar];
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NSTimeZone *zone = [NSTimeZone systemTimeZone];
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if (zone) {
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g_UMCurrentCalendar.timeZone = zone;
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}
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}
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//当前的时间
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NSDate *today = [NSDate date];
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NSDateComponents *todayComponents = [g_UMCurrentCalendar components:NSYearCalendarUnit|NSMonthCalendarUnit|NSDayCalendarUnit|NSHourCalendarUnit|NSMinuteCalendarUnit|NSSecondCalendarUnit fromDate:today];
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NSDateComponents *createComponents = [g_UMCurrentCalendar components:NSYearCalendarUnit|NSMonthCalendarUnit|NSDayCalendarUnit|NSHourCalendarUnit|NSMinuteCalendarUnit|NSSecondCalendarUnit fromDate:createDate];
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if (!todayComponents || !createComponents) {
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return g_UMNullDateFormat;
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}
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//计算创建时间的段一个月的最大天数
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NSRange createDateMaxDaysInCurMonth = [g_UMCurrentCalendar rangeOfUnit:NSDayCalendarUnit
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inUnit:NSMonthCalendarUnit
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forDate:createDate];
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if (createDateMaxDaysInCurMonth.length == NSNotFound) {
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//如果计算不出来当前的最大值，说明字符串给出的时间格式或者日期有问题
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return g_UMNullDateFormat;
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}
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NSString* reslutString = g_UMNullDateFormat;
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NSInteger yearsOffsetSinceNow = createComponents.year - todayComponents.year;
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if (yearsOffsetSinceNow > 0) {
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//创建时间大于当前的时间，此处就直接显示日期(yy-MM-dd)
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[dateFormatter setDateFormat:g_UMAfterCurYearDateFormat];
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reslutString = [dateFormatter stringFromDate:createDate];
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}
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else if (yearsOffsetSinceNow == 0)
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{
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//在当年
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NSInteger monthOffsetSinceNow = createComponents.month - todayComponents.month;
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if (monthOffsetSinceNow > 0) {
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//创建时间大于当前的时间，此处就直接显示日期(yy-MM-dd)
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[dateFormatter setDateFormat:g_UMAfterCurYearDateFormat];
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reslutString = [dateFormatter stringFromDate:createDate];
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}
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else if (monthOffsetSinceNow == 0)
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{
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//在当月
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NSInteger dayOffsetSinceNow = createComponents.day - todayComponents.day;
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if (dayOffsetSinceNow > 0) {
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//创建时间大于当前的时间，此处就直接显示日期(yy-MM-dd)
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[dateFormatter setDateFormat:g_UMAfterCurYearDateFormat];
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reslutString = [dateFormatter stringFromDate:createDate];
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}
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else if (dayOffsetSinceNow == 0)
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{
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//今天（HH:mm）
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[dateFormatter setDateFormat:g_UMTodayDateFormat];
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reslutString = [dateFormatter stringFromDate:createDate];
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}
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else if (dayOffsetSinceNow == -1)
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{
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//昨天（昨天 HH:mm）
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[dateFormatter setDateFormat:g_UMTodayDateFormat];
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NSString* tempString = [dateFormatter stringFromDate:createDate];
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if (!tempString) {
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return reslutString;
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}
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//2.5版的时间函数显示（昨天 HH:mm）
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//reslutString = [NSString stringWithFormat:@"昨天%@",tempString];
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//2.6版本的时间函数显示 （昨天）
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reslutString = g_UMYesteday;
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}
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else
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{
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//今年（MM-dd）
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[dateFormatter setDateFormat:g_UMCurYearDateFormat];
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reslutString = [dateFormatter stringFromDate:createDate];
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}
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}
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else
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{
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if ((monthOffsetSinceNow == -1) &&
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(createDateMaxDaysInCurMonth.length == createComponents.day) && todayComponents.day == 1) {
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//昨天（昨天 HH:mm）
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[dateFormatter setDateFormat:g_UMTodayDateFormat];
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NSString* tempString = [dateFormatter stringFromDate:createDate];
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if (!tempString) {
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return reslutString;
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}
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//2.5版的时间函数显示（昨天 HH:mm）
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//reslutString = [NSString stringWithFormat:@"昨天%@",tempString];
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//2.6版本的时间函数显示 （昨天）
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reslutString = g_UMYesteday;
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}
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else
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{
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//今年（MM-dd）
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[dateFormatter setDateFormat:g_UMCurYearDateFormat];
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reslutString = [dateFormatter stringFromDate:createDate];
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}
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}
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}
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else
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{
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//在去年或者以前的某一天
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if ((yearsOffsetSinceNow == -1) &&
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(createComponents.day == createDateMaxDaysInCurMonth.length) &&
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(createComponents.month == 12)&&(todayComponents.month == 1) && (todayComponents.day == 1))
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{
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//昨天（昨天 HH:mm）
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[dateFormatter setDateFormat:g_UMTodayDateFormat];
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NSString* tempString = [dateFormatter stringFromDate:createDate];
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if (!tempString) {
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return reslutString;
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}
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//2.5版的时间函数显示（昨天 HH:mm）
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//reslutString = [NSString stringWithFormat:@"昨天%@",tempString];
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//2.6版本的时间函数显示 （昨天）
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reslutString = g_UMYesteday;
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}
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else
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{
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//往年(yy-MM-dd)
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[dateFormatter setDateFormat:g_UMBeforeCurYearDateFormat];
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reslutString = [dateFormatter stringFromDate:createDate];
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}
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}
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return reslutString;
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}
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NSString *countString(NSNumber *count)
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{
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if (![count isKindOfClass:[NSNumber class]]) {
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return @"";
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}
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NSInteger displayCount = [count integerValue];
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NSString *countString = @"";
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if (displayCount >= 10000) {
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NSInteger highestNum = displayCount/10000;
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if (displayCount < 11000) {
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countString = [NSString stringWithFormat:@"1W"];
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}else if (displayCount < 100000){
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NSInteger secondNum = (displayCount - 10000 *highestNum)/1000;
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if (secondNum == 0) {
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countString = [NSString stringWithFormat:@"%ldW",highestNum];
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}else{
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countString = [NSString stringWithFormat:@"%ld.%ldW",highestNum,secondNum];
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}
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}else if (displayCount < 100000000){
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countString = [NSString stringWithFormat:@"%ldW",highestNum];
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}else{
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countString = [NSString stringWithFormat:@"9999W"];
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}
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}
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else if (displayCount > 0){
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countString = [NSString stringWithFormat:@"%ld",displayCount];
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}
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else{
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countString = @"0";
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}
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return countString;
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}
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extern NSString *distanceString(NSNumber *distance)
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{
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NSInteger displayCount = [distance integerValue];
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NSString *countString = @"";
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if (displayCount >= 1000) {
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NSInteger highestNum = displayCount/1000;
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if (displayCount < 10000){
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NSInteger secondNum = (displayCount - 1000 *highestNum)/100;
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countString = [NSString stringWithFormat:@"%ld.%ldkm",highestNum,secondNum];
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}else{
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countString = [NSString stringWithFormat:@"10km+"];
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}
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}else{
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countString = [NSString stringWithFormat:@"%ldm",displayCount];
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}
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return countString;
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}
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