Alerts UI!

TODO: Specify which image to use and a background color, also just make it prettier

WhatsOpen/WhatsOpen/AppDelegate.swift

@@ -16,6 +16,31 @@ class AppDelegate: UIResponder, UIApplicationDelegate {
 
     func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplicationLaunchOptionsKey: Any]?) -> Bool {
         // Override point for customization after application launch.
+		
+		// Realm Migration in case we add more fields
+		let config = Realm.Configuration(
+			// Set the new schema version. This must be greater than the previously used
+			// version (if you've never set a schema version before, the version is 0).
+			schemaVersion: 1,
+			
+			// Set the block which will be called automatically when opening a Realm with
+			// a schema version lower than the one set above
+			migrationBlock: { migration, oldSchemaVersion in
+				// We haven’t migrated anything yet, so oldSchemaVersion == 0
+				if (oldSchemaVersion < 1) {
+					// Nothing to do!
+					// Realm will automatically detect new properties and removed properties
+					// And will update the schema on disk automatically
+				}
+		})
+		
+		// Tell Realm to use this new configuration object for the default Realm
+		Realm.Configuration.defaultConfiguration = config
+		
+		// Now that we've told Realm how to handle the schema change, opening the file
+		// will automatically perform the migration
+		let realm = try! Realm()
+		
         return true
     }
 

WhatsOpen/WhatsOpen/Assets.xcassets/info.imageset/Contents.json

+{
+  "images" : [
+
+  ],
+  "info" : {
+    "version" : 1,
+    "author" : "xcode"
+  }
+}
\ No newline at end of file

WhatsOpen/WhatsOpen/Assets.xcassets/major.imageset/Contents.json

+{
+  "images" : [
+    {
+      "idiom" : "universal",
+      "filename" : "major.png",
+      "scale" : "1x"
+    },
+    {
+      "idiom" : "universal",
+      "filename" : "major@2x.png",
+      "scale" : "2x"
+    },
+    {
+      "idiom" : "universal",
+      "filename" : "major@3x.png",
+      "scale" : "3x"
+    }
+  ],
+  "info" : {
+    "version" : 1,
+    "author" : "xcode"
+  }
+}
\ No newline at end of file

WhatsOpen/WhatsOpen/Assets.xcassets/warning.imageset/Contents.json

+{
+  "images" : [
+    {
+      "idiom" : "universal",
+      "filename" : "warning.png",
+      "scale" : "1x"
+    },
+    {
+      "idiom" : "universal",
+      "filename" : "warning@2x.png",
+      "scale" : "2x"
+    },
+    {
+      "idiom" : "universal",
+      "filename" : "warning@3x.png",
+      "scale" : "3x"
+    }
+  ],
+  "info" : {
+    "version" : 1,
+    "author" : "xcode"
+  }
+}
\ No newline at end of file

WhatsOpen/WhatsOpen/Views/FacilitiesListViewController.swift

@@ -25,6 +25,8 @@ class FacilitiesListViewController: UIViewController, UICollectionViewDelegate,
 
 	var facilitiesArray = List<Facility>()
 	var alertsList = List<Alert>()
+	
+	var currentAlerts = List<Alert>()
     
     // array of facilities that pass the current filters
     var filteredFacilities = List<Facility>()
@@ -252,9 +254,25 @@ class FacilitiesListViewController: UIViewController, UICollectionViewDelegate,
 	}
 	
 	func reloadWithFilters() {
+		
+		// Facilities
 		filteredFacilities = filters.applyFiltersOnFacilities(facilitiesArray)
 		shownFacilities = filteredFacilities
 		favoritesControlChanges(self)
+		
+		// Alerts
+		let shown = List<Alert>()
+		let formatter = ISO8601DateFormatter()
+		formatter.timeZone = TimeZone(identifier: "America/New_York")
+		let now = Date()
+		for alert in alertsList {
+			if now.isGreaterThanDate(dateToCompare: formatter.date(from: alert.startDate)!)  && now.isLessThanDate(dateToCompare: formatter.date(from: alert.endDate)!) {
+				shown.append(alert)
+			}
+		}
+		currentAlerts = shown
+		
+		
 		LocationsList.reloadData()
 	}
     
@@ -461,7 +479,7 @@ class FacilitiesListViewController: UIViewController, UICollectionViewDelegate,
     }
 
 	func numberOfSections(in collectionView: UICollectionView) -> Int {
-		if alertsList.count > 0 {
+		if currentAlerts.count > 0 {
 			return 2
 		}
 		else {
@@ -475,7 +493,7 @@ class FacilitiesListViewController: UIViewController, UICollectionViewDelegate,
 		}
 		else {
 			// TODO: get current alerts, not just any alerts
-			return alertsList.count
+			return currentAlerts.count
 		}
 		
 	}
@@ -551,7 +569,12 @@ class FacilitiesListViewController: UIViewController, UICollectionViewDelegate,
 		}
 		else {
 			// Do Alerts things here
-			return UICollectionViewCell() //This is bad
+			let cell = collectionView.dequeueReusableCell(withReuseIdentifier: "Alert Cell", for: indexPath) as! AlertCollectionViewCell
+			
+			cell.imageView.image = #imageLiteral(resourceName: "major")
+			cell.messageLabel.text = currentAlerts[indexPath.row].message
+			
+			return cell
 		}
 
 	}
@@ -666,5 +689,47 @@ extension FacilitiesListViewController: UISearchResultsUpdating {
     }
 }
 
+// based on https://stackoverflow.com/questions/26198526/nsdate-comparison-using-swift
+extension Date {
+	func isGreaterThanDate(dateToCompare: Date) -> Bool {
+		//Declare Variables
+		var isGreater = false
+		
+		//Compare Values
+		if self.compare(dateToCompare) == ComparisonResult.orderedDescending {
+			isGreater = true
+		}
+		
+		//Return Result
+		return isGreater
+	}
+	
+	func isLessThanDate(dateToCompare: Date) -> Bool {
+		//Declare Variables
+		var isLess = false
+		
+		//Compare Values
+		if self.compare(dateToCompare) == ComparisonResult.orderedAscending {
+			isLess = true
+		}
+		
+		//Return Result
+		return isLess
+	}
+	
+	func equalToDate(dateToCompare: Date) -> Bool {
+		//Declare Variables
+		var isEqualTo = false
+		
+		//Compare Values
+		if self.compare(dateToCompare) == ComparisonResult.orderedSame {
+			isEqualTo = true
+		}
+		
+		//Return Result
+		return isEqualTo
+	}
+}
+