refactor: Reorganize push notification configuration

Sources/Earthquake Network/AppDelegate.m

@@ -19,9 +19,9 @@
 #import "EQNNotificheReteSismiche.h"
 #import "EQNMainTabBarController.h"
 
+@import UserNotifications;
 @import Firebase;
 @import FirebaseCrashlytics;
-@import UserNotifications;
 @import GoogleMobileAds;
 @import FBSDKCoreKit;
 
@@ -59,13 +59,7 @@
     NSString *language = [[NSLocale preferredLanguages] firstObject];
     [[FIRCrashlytics crashlytics] setCustomValue:language forKey:@"lang"];
     
-    [UNUserNotificationCenter currentNotificationCenter].delegate = self;
-    UNAuthorizationOptions authOptions = UNAuthorizationOptionAlert | UNAuthorizationOptionSound | UNAuthorizationOptionBadge;
-    [[UNUserNotificationCenter currentNotificationCenter]
-     requestAuthorizationWithOptions:authOptions
-     completionHandler:^(BOOL granted, NSError * _Nullable error) {
-         [self registraNotifica];
-     }];
+    [self configurePushNotifications];
     
     [application setMinimumBackgroundFetchInterval:UIApplicationBackgroundFetchIntervalMinimum];
     [application registerForRemoteNotifications];
@@ -199,6 +193,17 @@
     [self.mainTabBarController selectSection:section];
 }
 
+#pragma mark - Configurations
+
+- (void)configurePushNotifications
+{
+    [UNUserNotificationCenter currentNotificationCenter].delegate = self;
+    UNAuthorizationOptions authOptions = UNAuthorizationOptionAlert | UNAuthorizationOptionSound | UNAuthorizationOptionBadge;
+    [[UNUserNotificationCenter currentNotificationCenter] requestAuthorizationWithOptions:authOptions completionHandler:^(BOOL granted, NSError * _Nullable error) {
+        [self registraNotifica];
+    }];
+}
+
 #pragma mark - FIRMessagingDelegate
 
 - (void)messaging:(FIRMessaging *)messaging didReceiveRegistrationToken:(NSString *)fcmToken