feat: Add feature to save seismic event in calendar

Sources/Earthquake Network/Controllers/Seismic Networks/SeismicNetworksViewController.swift

@@ -7,6 +7,7 @@
 //
 
 import UIKit
+import EventKitUI
 
 class SeismicNetworksViewController: EQNBaseViewController, UITableViewDelegate, UITableViewDataSource {
 
@@ -105,6 +106,58 @@ class SeismicNetworksViewController: EQNBaseViewController, UITableViewDelegate,
         cell.delegate = self
         return cell
     }
+    
+    // MARK: - Private
+    
+    private func openCalendar(for seismic: EQNSisma) {
+        checkCalendarPermission {
+            self.createCalendarEvent(for: seismic)
+        } failure: {
+            let alert = UIAlertController(title: "Attenzione", message: "Non è possibile aprire il calendario, assicurarsi di aver impostato i permessi corretti", preferredStyle: .alert)
+            alert.addAction(UIAlertAction(title: "Ok", style: .default))
+            self.present(alert, animated: true)
+        }
+    }
+    
+    private func checkCalendarPermission(success: @escaping () -> Void, failure: @escaping () -> Void) {
+        let authorization = EKEventStore.authorizationStatus(for: .event)
+        switch authorization {
+        case .notDetermined:
+            let eventStore = EKEventStore()
+            eventStore.requestAccess(to: .event) { (granted, error) in
+                DispatchQueue.main.async {
+                    if granted {
+                        success()
+                    } else {
+                        failure()
+                    }
+                }
+            }
+        case .authorized:
+            success()
+        default:
+            failure()
+        }
+    }
+    
+    private func createCalendarEvent(for seismic: EQNSisma) {
+        let eventStore = EKEventStore()
+        
+        // calendar event
+        let event = EKEvent(eventStore: eventStore)
+        event.title = seismic.place
+        event.startDate = seismic.date
+        event.endDate = seismic.date
+        event.notes = String(format: NSLocalizedString("calendar_description_nogeo_km", comment: ""), seismic.magnitude, seismic.depth)
+        
+        // controller to present
+        let eventVC = EKEventEditViewController()
+        eventVC.editViewDelegate = self
+        eventVC.eventStore = eventStore
+        eventVC.event = event
+        
+        present(eventVC, animated: true)
+    }
 }
 
 extension SeismicNetworksViewController: SeismicNetworkTableViewCellDelegate {
@@ -137,7 +190,10 @@ extension SeismicNetworksViewController: SeismicNetworkTableViewCellDelegate {
     }
     
     func seismicNetworkCellDidTapCalendar(_ cell: SeismicNetworkTableViewCell) {
-        // todo
+        guard let index = tableView?.indexPath(for: cell) else { return }
+
+        let seismic = seismics[index.row]
+        openCalendar(for: seismic)
     }
     
     func seismicNetworkCellDidTapSettings(_ cell: SeismicNetworkTableViewCell) {
@@ -154,3 +210,10 @@ extension SeismicNetworksViewController: SeismicNetworkTableViewCellDelegate {
         tableView?.reloadRows(at: indexToReloads, with: .automatic)
     }
 }
+
+
+extension SeismicNetworksViewController: EKEventEditViewDelegate {
+    func eventEditViewController(_ controller: EKEventEditViewController, didCompleteWith action: EKEventEditViewAction) {
+        dismiss(animated: true, completion: nil)
+    }
+}

Sources/Earthquake Network/Info.plist

@@ -72,5 +72,9 @@
 	</array>
 	<key>UIUserInterfaceStyle</key>
 	<string>Light</string>
+	<key>NSCalendarsUsageDescription</key>
+	<string>L&apos;accesso al calendario è richiesto per poter salvare le informazioni dei sismi di interesse</string>
+	<key>NSContactsUsageDescription</key>
+	<string>L&apos;accesso ai contatti è richiesto per poter aggiungere persone agli eventi creati</string>
 </dict>
 </plist>

Sources/Earthquake Network/en.lproj/InfoPlist.strings

@@ -2,4 +2,6 @@
 "NSLocationAlwaysUsageDescription" = "Change to 'Always allow' so we can alert you in real time when an earthquake occurs nearby.";
 "NSLocationWhenInUseUsageDescription" = "We need your location to send you real time seismic alerts.";
 "NSPhotoLibraryAddUsageDescription" = "Access to the library is required in order to save the images generated by the app";
+"NSCalendarsUsageDescription" = "Access to the calendar is required in order to save the information of the earthquakes of interest";
+"NSContactsUsageDescription" = "Access to contacts is required in order to add people to the created events";
 "CFBundleDisplayName" = "Earthquake Network";

Sources/Earthquake Network/en.lproj/Localizable.strings

@@ -761,3 +761,4 @@
 "weather_humidity" = "Humidity: %@%%";
 "weather_clouds" = "Cloud cover: %@%%";
 "official_prelimiary" = "Preliminary";
+"calendar_description_nogeo_km" = "Earthquake M%@, depth %@ km.";

Sources/Earthquake Network/es.lproj/InfoPlist.strings

@@ -2,4 +2,6 @@
 "NSLocationAlwaysUsageDescription" = "Cambiar a 'Permitir siempre' para que podamos alertarte en tiempo real cuando se produce un sismo cercano.";
 "NSLocationWhenInUseUsageDescription" = "Necesitamos tu ubicación para enviarte alertas sísmicas en tiempo real";
 "NSPhotoLibraryAddUsageDescription" = "Se requiere acceso a la biblioteca para guardar las imágenes generadas por la aplicación";
+"NSCalendarsUsageDescription" = "Se requiere acceso al calendario para guardar la información de los terremotos de interés";
+"NSContactsUsageDescription" = "Se requiere acceso a los contactos para agregar personas a los eventos creados";
 "CFBundleDisplayName" = "Sismos Detector";

Sources/Earthquake Network/es.lproj/Localizable.strings

@@ -754,3 +754,4 @@
 "weather_humidity" = "Humedad: %@%%";
 "weather_clouds" = "Cubierta de nubes: %@%%";
 "official_prelimiary" = "Preliminar";
+"calendar_description_nogeo_km" = "Sismo M%@, profundidad %@ km.";

Sources/Earthquake Network/it.lproj/InfoPlist.strings

@@ -2,4 +2,6 @@
 "NSLocationAlwaysUsageDescription" = "Passa a 'Consenti sempre' in modo che possiamo allertarti in tempo reale quando accade un sisma nelle tue vicinanze.";
 "NSLocationWhenInUseUsageDescription" = "La tua posizione è necessaria per ricevere le allerte sismiche in tempo reale.";
 "NSPhotoLibraryAddUsageDescription" = "L'accesso alla libreria è richiesto per poter salvare le immagini generate dall'app";
+"NSCalendarsUsageDescription" = "L'accesso al calendario è richiesto per poter salvare le informazioni dei sismi di interesse";
+"NSContactsUsageDescription" = "L'accesso ai contatti è richiesto per poter aggiungere persone agli eventi creati";
 "CFBundleDisplayName" = "Rilevatore Terremoto";

Sources/Earthquake Network/it.lproj/Localizable.strings

@@ -747,3 +747,4 @@
 "weather_humidity" = "Umidità: %@%%";
 "weather_clouds" = "Copertura nuvolosa: %@%%";
 "official_prelimiary" = "Preliminare";
+"calendar_description_nogeo_km" = "Sisma M%@, profondità %@ km.";