Andrea Busi
139 lines
4.9 KiB
Objective-C
139 lines
4.9 KiB
Objective-C
//
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// EQNUtility.m
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// Earthquake Network
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//
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// Created by Luca Beretta on 02/11/18.
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// Copyright © 2018 Luca Beretta. All rights reserved.
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//
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#import "EQNUtility.h"
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#import "EQNSegnalazione.h"
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#import "EQNPastquakes.h"
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#import "EQNSisma.h"
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#if NOTIFICATION_CONTENT
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#import "EQNNotificationContent-Swift.h"
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#endif
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@implementation EQNUtility
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+ (NSDate *)getDateFromString:(NSString *)dateString
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{
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NSDateFormatter *formatter = [[NSDateFormatter alloc] init];
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formatter.timeZone = [NSTimeZone timeZoneWithName:@"Europe/Rome"];
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[formatter setDateFormat:@"yyyy-MM-dd HH:mm:ss"];
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return [formatter dateFromString:dateString];
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}
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+ (NSString *)formattedStringForTimeDifference:(NSInteger)timeDifference
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{
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NSString *format = @"";
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NSInteger finalValue = timeDifference;
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// check for minutes, hours or days
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if (timeDifference < 60) {
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format = NSLocalizedString(@"manual_minutes_ago", nil);
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} else if (timeDifference < 1440) {
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finalValue = timeDifference / 60.0;
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format = NSLocalizedString(@"manual_hours_ago", nil);
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} else {
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finalValue = timeDifference / 1440.0;
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format = NSLocalizedString(@"manual_days_ago", nil);
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}
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return [NSString localizedStringWithFormat:format, finalValue];
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}
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+ (NSString *)clearStringMessaggi:(NSString *)messaggio
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{
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NSString *clearString = [messaggio stringByReplacingOccurrencesOfString:@" " withString:@""];
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clearString = [clearString stringByReplacingOccurrencesOfString:@"[" withString:@""];
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clearString = [clearString stringByReplacingOccurrencesOfString:@"]" withString:@""];
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clearString = [clearString stringByReplacingOccurrencesOfString:@"\"" withString:@""];
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clearString = [clearString stringByReplacingOccurrencesOfString:@"<" withString:@""];
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clearString = [clearString stringByReplacingOccurrencesOfString:@">" withString:@""];
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clearString = [clearString stringByReplacingOccurrencesOfString:@"/" withString:@""];
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clearString = [clearString stringByReplacingOccurrencesOfString:@"span" withString:@""];
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return clearString;
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}
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#pragma mark - Store/load data
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+ (void)storeArray:(NSArray *)array toUserDefaultForKey:(NSString *)keyName
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{
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[self storeRootObject:array toUserDefaultForKey:keyName];
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}
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+ (void)storeRootObject:(id)rootObject toUserDefaultForKey:(NSString *)keyName
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{
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NSError *error;
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NSData *data = [NSKeyedArchiver archivedDataWithRootObject:rootObject requiringSecureCoding:NO error:nil];
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if (error) {
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NSLog(@"[EQNUtility] Error when storing object for key '%@' (error: %@)", keyName, error.localizedDescription);
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return;
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}
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NSUserDefaults *defaults = [NSUserDefaults standardUserDefaults];
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[defaults setObject:data forKey:keyName];
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}
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+ (NSArray *)loadArrayOfClass:(Class)class fromUserDefaultsForKey:(NSString *)keyName
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{
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NSUserDefaults *defaults = [NSUserDefaults standardUserDefaults];
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NSData *data = [defaults objectForKey:keyName];
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if (!data) {
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NSLog(@"[EQNUtility] No array saved for key '%@'", keyName);
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return nil;
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}
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NSError *error;
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NSKeyedUnarchiver *unarchiver = [[NSKeyedUnarchiver alloc] initForReadingFromData:data error:&error];
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unarchiver.requiresSecureCoding = NO;
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NSArray *array = [unarchiver decodeObjectOfClass:class forKey:NSKeyedArchiveRootObjectKey];
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if (error) {
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NSLog(@"[EQNUtility] Unable to unarchive object for key '%@' (error: %@)", keyName, error.localizedDescription);
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return nil;
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}
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return array;
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}
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#pragma mark - Notifications
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+ (nullable NSDate *)calculateUserSeismicTimestampFromUserInfo:(NSDictionary *)info
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{
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// dobbiamo calcolare l'ora in cui il sisma arriverà nella posizione dell'utente
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// per fare questo, il calcolo sarà:
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// timestamp sisma + warning time
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// ultima posizione nota dell'utente
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CLLocationManager *manager = [[CLLocationManager alloc] init];
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CLLocation *lastUserLocation = manager.location;
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if (lastUserLocation == nil) {
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lastUserLocation = EQNUserData.sharedData.lastLocation;
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}
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if (!lastUserLocation) {
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return nil;
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}
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// posizione sisma
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double latitude = [info[@"latitude"] doubleValue];
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double longitude = [info[@"longitude"] doubleValue];
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CLLocation *location = [[CLLocation alloc] initWithLatitude:latitude longitude:longitude];
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// distanza tra sisma e utente (in km)
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CLLocationDistance distance = [lastUserLocation distanceFromLocation:location];
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double userDistance = distance/1000;
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// calcoliamo warning_time
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double waveSpeed = [info[@"wave_speed"] doubleValue];
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double warningTime = round(userDistance/waveSpeed - 5);
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// aggiungiamo il warning time al timestamp del sisma
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NSDate *seismicDate = [EQNUtility getDateFromString:info[@"datetime"]];
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NSDate *userSeismicDate = [seismicDate dateByAddingTimeInterval:warningTime];
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return userSeismicDate;
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}
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@end
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