Add popup to say to the user when a offline departures update is avai…

…lable

tpg offline/Departures/StopsTableViewController.swift

@@ -58,6 +58,15 @@ class StopsTableViewController: UIViewController, UITableViewDelegate, UITableVi
                 }
             }
 
+            Alamofire.request("https://raw.githubusercontent.com/RemyDCF/tpg-offline/master/JSON/departures.json.md5").responseString { (response) in
+                if let updatedMD5 = response.result.value, updatedMD5 != UserDefaults.standard.string(forKey: "departures.json.md5") {
+                    UserDefaults.standard.set(true, forKey: "offlineDeparturesUpdateAvailable")
+                    let alertController = UIAlertController(title: "New offline departures available".localized, message: "You can download them in Settings".localized, preferredStyle: .alert)
+                    alertController.addAction(UIAlertAction(title: "OK".localized, style: .default, handler: nil))
+                    self.present(alertController, animated: true, completion: nil)
+                }
+            }
+
             if #available(iOS 10.3, *), self.askForRating {
                 SKStoreReviewController.requestReview()
             }

tpg offline/Project Requirements/Base.lproj/Localizable.strings

@@ -58,6 +58,7 @@
 "Mark this stop as favorite" = "Mark this stop as favorite"; 
 "Nearest Stops" = "Nearest Stops"; 
 "Nearest stops" = "Nearest stops"; 
+"New offline departures available" = "New offline departures available"; 
 "No disruptions" = "No disruptions"; 
 "No more bus will come to this stop today." = "No more bus will come to this stop today."; 
 "No results" = "No results"; 
@@ -100,13 +101,15 @@
 "To..." = "To..."; 
 "Unknow" = "Unknow"; 
 "Unmark this stop as favorite" = "Unmark this stop as favorite"; 
+"Update available" = "Update available"; 
 "Update departures" = "Update departures"; 
 "Urban map" = "Urban map"; 
 "Walk" = "Walk"; 
 "Walk %@m" = "Walk %@m"; 
 "When do you want to be reminded" = "When do you want to be reminded"; 
 "When do you want to be reminded?" = "When do you want to be reminded?"; 
 "You are using timetables departures. So departures are subjects to change." = "You are using timetables departures. So departures are subjects to change."; 
+"You can download them in Settings" = "You can download them in Settings"; 
 "You can't set a timer for this bus, but you should run to take it." = "You can't set a timer for this bus, but you should run to take it."; 
 "You don't downloaded offline departures, and you're not connected to internet" = "You don't downloaded offline departures, and you're not connected to internet"; 
 "You will be reminded" = "You will be reminded"; 

tpg offline/Project Requirements/fr.lproj/Localizable.strings

@@ -58,6 +58,7 @@
 "Mark this stop as favorite" = "Marquer cet arrêt en favoris";
 "Nearest Stops" = "Arrêts les plus proches";
 "Nearest stops" = "Arrêts les plus proches";
+"New offline departures available" = "Mise à jour des départs hors-ligne disponible";
 "No disruptions" = "Pas de pertubations";
 "No more bus will come to this stop today." = "Aucun bus ne viendra aujourd'hui à arrêt.";
 "No results" = "Pas de résultats";
@@ -100,15 +101,19 @@
 "To..." = "Vers...";
 "Unknow" = "Inconnu";
 "Unmark this stop as favorite" = "Enlever cet arrêt des favoris";
+"Update available" = "Mise à jour disponible";
 "Update departures" = "Réactualiser les départs";
 "Urban map" = "Plan urbain";
 "Walk" = "Marcher";
 "Walk %@m" = "Marcher %@m";
 "When do you want to be reminded" = "Quand voulez-vous être rappelés";
 "When do you want to be reminded?" = "Quand voulez-vous être rappelé ?";
 "You are using timetables departures. So departures are subjects to change." = "Vous êtes en mode hors-ligne. Les horaires sont donc des sujets à des modifications et sont donnés à titre indicatif.";
+"You can download them in Settings" = "Vous pouvez la télécharger dans les paramètres";
 "You can't set a timer for this bus, but you should run to take it." = "Vous ne pouvez pas ajouter de rappels à ce bus, mais vous devriez courir pour le prendre.";
 "You don't downloaded offline departures, and you're not connected to internet" = "Vous n'avez pas téléchargé les départs hors ligne et vous n'êtes pas connecté à Internet";
 "You will be reminded" = "Vous serez rappelés";
 "at the time of departure." = "au départ";
 "tpg offline" = "tpg offline";
+
+

tpg offline/Settings/SettingsTableViewController.swift

@@ -87,7 +87,8 @@ class SettingsTableViewController: UITableViewController {
         if setting.title == "Update departures".localized {
             switch self.offlineDeparturesStatus {
             case .notDownloading:
-                cell.detailTextLabel?.text = ""
+                cell.detailTextLabel?.text = UserDefaults.standard.bool(forKey: "offlineDeparturesUpdateAvailable") ?
+                    "Update available".localized : ""
             case .error:
                 cell.detailTextLabel?.text = "Error - Departures not downloaded".localized
             case .downloading:
@@ -139,7 +140,13 @@ class SettingsTableViewController: UITableViewController {
             } else {
                 self.offlineDeparturesStatus = .error
             }
+        }
+        Alamofire.request("https://raw.githubusercontent.com/RemyDCF/tpg-offline/master/JSON/departures.json.md5").responseString { (response) in
+            if let updatedMD5 = response.result.value {
+                UserDefaults.standard.set(updatedMD5, forKey: "departures.json.md5")
+                UserDefaults.standard.set(false, forKey: "offlineDeparturesUpdateAvailable")
             }
+        }
     }
 }