favoriting functionality done

Author: Jurvis Tan

FOSSAsia.xcodeproj/project.pbxproj

@@ -58,7 +58,7 @@
 		28091E901C64B0B900E789CD /* Constants.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = Constants.swift; sourceTree = "<group>"; };
 		28091E921C64B61C00E789CD /* RangeExtension.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = RangeExtension.swift; sourceTree = "<group>"; };
 		28091E9A1C64CC1A00E789CD /* TrackViewModel.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = TrackViewModel.swift; sourceTree = "<group>"; };
-		280DE5281C62FCB200E64020 /* Podfile */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text; path = Podfile; sourceTree = "<group>"; };
+		280DE5281C62FCB200E64020 /* Podfile */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text; path = Podfile; sourceTree = "<group>"; xcLanguageSpecificationIdentifier = xcode.lang.ruby; };
 		2859B0FD1C5DF8D7009656FC /* EventViewController.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = EventViewController.swift; sourceTree = "<group>"; };
 		2859B0FF1C5DFD09009656FC /* Colors.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = Colors.swift; sourceTree = "<group>"; };
 		2859B1011C5E29DC009656FC /* EventInfoView.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = EventInfoView.swift; sourceTree = "<group>"; };

FOSSAsia/Assets.xcassets/cal_selected.imageset/cal_selected.png

@@ -2,17 +2,17 @@
   "images" : [
     {
       "idiom" : "universal",
-      "filename" : "cal_selected.png",
+      "filename" : "cell_favorite.png",
       "scale" : "1x"
     },
     {
       "idiom" : "universal",
-      "filename" : "cal_selected@2x.png",
+      "filename" : "cell_favorite@2x.png",
       "scale" : "2x"
     },
     {
       "idiom" : "universal",
-      "filename" : "cal_selected@3x.png",
+      "filename" : "cell_favorite@3x.png",
       "scale" : "3x"
     }
   ],

FOSSAsia/Assets.xcassets/cal_selected.imageset/cal_selected@2x.png

@@ -2,17 +2,17 @@
   "images" : [
     {
       "idiom" : "universal",
-      "filename" : "more_selected.png",
+      "filename" : "cell_favorite_selected.png",
       "scale" : "1x"
     },
     {
       "idiom" : "universal",
-      "filename" : "more_selected@2x.png",
+      "filename" : "cell_favorite_selected@2x.png",
       "scale" : "2x"
     },
     {
       "idiom" : "universal",
-      "filename" : "more_selected@3x.png",
+      "filename" : "cell_favorite_selected@3x.png",
       "scale" : "3x"
     }
   ],

FOSSAsia/Assets.xcassets/cal_selected.imageset/cal_selected@3x.png

@@ -2,17 +2,17 @@
   "images" : [
     {
       "idiom" : "universal",
-      "filename" : "favorites_selected.png",
+      "filename" : "session_cell_favorite.png",
       "scale" : "1x"
     },
     {
       "idiom" : "universal",
-      "filename" : "favorites_selected@2x.png",
+      "filename" : "session_cell_favorite@2x.png",
       "scale" : "2x"
     },
     {
       "idiom" : "universal",
-      "filename" : "favorites_selected@3x.png",
+      "filename" : "session_cell_favorite@3x.png",
       "scale" : "3x"
     }
   ],

FOSSAsia/Assets.xcassets/cal_selected.imageset/Contents.json FOSSAsia/Assets.xcassets/cell_favorite.imageset/Contents.json

@@ -11,4 +11,5 @@ import Foundation
 struct Colors {
     static let mainRedColor = UIColor(hexString: "D90300")
     static let creamTintColor = UIColor(hexString: "FEFAD5")
+    static let favoriteOrangeColor = UIColor(hexString: "F5A623")
 }

FOSSAsia/Assets.xcassets/cell_favorite.imageset/cell_favorite.png

@@ -47,27 +47,13 @@ struct Event {
         }
     }
 
-    
+    let id: Int
     let trackCode: Track
     let title: String
     let shortDescription: String
     let speaker: Speaker?
     let location: String
     let startDateTime: NSDate
     let endDateTime: NSDate
-    var favorite = false
-    
-    init (trackCode: Track, title: String, shortDescription: String, speaker: Speaker?, location: String, startDateTime: NSDate, endDateTime: NSDate) {
-        self.trackCode = trackCode
-        self.title = title
-        self.shortDescription = shortDescription
-        self.speaker = speaker
-        self.location = location
-        self.startDateTime = startDateTime
-        self.endDateTime = endDateTime
-    }
-    
-    mutating func setFavorite() {
-        favorite = !favorite
-    }
+    var favorite: Bool
 }

FOSSAsia/Assets.xcassets/cell_favorite.imageset/cell_favorite@2x.png

@@ -7,20 +7,30 @@
 //
 
 import UIKit
+import MGSwipeTableCell
 
 typealias EventCellWithTypePresentable = protocol<EventTypePresentable, EventDetailsPresentable>
 
-class EventCell: UITableViewCell {
+class EventCell: MGSwipeTableCell {
+    @IBOutlet weak var favoriteImage: UIImageView!
     @IBOutlet weak var typeView: UIView!
     @IBOutlet weak var titleLabel: UILabel!
     @IBOutlet weak var timingLabel: UILabel!
-    private var delegate: EventCellWithTypePresentable?
+    
+    private var viewModel: EventCellWithTypePresentable?
 
     func configure(withPresenter presenter: EventCellWithTypePresentable) {
-        delegate = presenter
-        titleLabel.text = delegate!.eventName
-        typeView.backgroundColor = delegate!.typeColor
-        timingLabel.text = delegate!.timing
+        viewModel = presenter
+        titleLabel.text = viewModel!.eventName
+        typeView.backgroundColor = viewModel!.typeColor
+        timingLabel.text = viewModel!.timing
+        if (viewModel!.isFavorite) {
+            favoriteImage.transform = CGAffineTransformIdentity
+            favoriteImage.alpha = 1.0
+        } else {
+            favoriteImage.transform = CGAffineTransformMakeScale(0.1, 0.1)
+            favoriteImage.alpha = 0.0
+        }
     }
 
 }

FOSSAsia/Assets.xcassets/cell_favorite.imageset/cell_favorite@3x.png

@@ -17,13 +17,15 @@ protocol EventDetailsPresentable {
     var eventName: String {get}
     var speakerName: String {get}
     var timing: String {get}
+    var isFavorite: Bool {get}
 }
 
 protocol EventDescriptionPresentable {
     var eventDescription: String {get }
 }
 
 struct EventViewModel: EventTypePresentable, EventDetailsPresentable, EventDescriptionPresentable {
+    let sessionId: Observable<Int>
     let track: Observable<UIColor>
     let title: Observable<String>
     let shortDescription: Observable<String>
@@ -34,6 +36,7 @@ struct EventViewModel: EventTypePresentable, EventDetailsPresentable, EventDescr
     let favorite: Observable<Bool>
 
     init (_ event: Event) {
+        sessionId = Observable(event.id)
         track = Observable(event.trackCode.getTrackColor())
         title = Observable(event.title)
         shortDescription = Observable(event.shortDescription)
@@ -43,6 +46,10 @@ struct EventViewModel: EventTypePresentable, EventDetailsPresentable, EventDescr
         endDateTime = Observable(event.endDateTime)
         favorite = Observable(event.favorite)
     }
+    
+    func updateFavorite() {
+        favorite.value = !favorite.value
+    }
 }
 
 // MARK: - EventDescriptionPresentable Conformance
@@ -59,10 +66,10 @@ extension EventViewModel {
 extension EventViewModel {
     var eventName: String { return self.title.value }
     var speakerName: String { return (self.speaker.value?.name)! }
-
     var timing: String {
         let startTime = self.startDateTime.value.formattedDateWithFormat("HH:mm")
         let endTime = self.endDateTime.value.formattedDateWithFormat("HH:mm")
         return  "\(startTime) - \(endTime) - \(self.location.value)"
     }
+    var isFavorite: Bool { return self.favorite.value }
 }

FOSSAsia/Assets.xcassets/more_selected.imageset/Contents.json FOSSAsia/Assets.xcassets/cell_favorite_selected.imageset/Contents.json

@@ -12,4 +12,5 @@ typealias EventCompletionHandler = ([Event]?, Error?) -> Void
 
 protocol EventsServiceProtocol {
     func retrieveEventsInfo(trackIds: [Int]?, completionHandler: EventCompletionHandler)
+    func toggleFavorite(sessionId: Int, completionHandler: EventsServiceCommitmentCompletionHandler)
 }

FOSSAsia/Assets.xcassets/cell_favorite_selected.imageset/cell_favorite_selected.png

@@ -7,6 +7,7 @@
 //
 
 import UIKit
+import MGSwipeTableCell
 
 class EventsViewController: UIViewController {
     private let kEventCellReuseIdentifier = "EventCell"
@@ -48,6 +49,10 @@ class EventsViewController: UIViewController {
             }
         }
     }
+    
+    func eventViewModelForIndexPath(path: NSIndexPath) -> EventViewModel {
+        return eventsArray[path.row]
+    }
 
 }
 
@@ -58,8 +63,9 @@ extension EventsViewController: UITableViewDelegate {
 extension EventsViewController: UITableViewDataSource {
     func tableView(tableView: UITableView, cellForRowAtIndexPath indexPath: NSIndexPath) -> UITableViewCell {
         let cell = tableView.dequeueReusableCellWithIdentifier(kEventCellReuseIdentifier, forIndexPath: indexPath) as! EventCell
-        let viewModel = eventsArray[indexPath.row]
-        cell.configure(withPresenter: viewModel)
+        let eventViewModel = eventsArray[indexPath.row]
+        cell.configure(withPresenter: eventViewModel)
+        cell.delegate = self
 
         return cell
     }
@@ -76,4 +82,45 @@ extension EventsViewController: UITableViewDataSource {
         // have to patch in code because IB wasn't listening to me
         return 70
     }
+}
+
+extension EventsViewController: MGSwipeTableCellDelegate {
+    func swipeTableCell(cell: MGSwipeTableCell!, swipeButtonsForDirection direction: MGSwipeDirection, swipeSettings: MGSwipeSettings!, expansionSettings: MGSwipeExpansionSettings!) -> [AnyObject]! {
+        swipeSettings.transition = .Border
+        expansionSettings.buttonIndex = 0
+        
+        weak var me = self
+        let eventViewModel = me!.eventViewModelForIndexPath(me!.tableView.indexPathForCell(cell)!)
+        
+        if direction == .LeftToRight {
+            expansionSettings.fillOnTrigger = false
+            expansionSettings.threshold = 2
+            
+            
+            let faveButton = MGSwipeButton(title: "", icon: (eventViewModel.isFavorite ? UIImage(named: "cell_favorite_selected") : UIImage(named: "cell_favorite")), backgroundColor: Colors.favoriteOrangeColor!) { (sender: MGSwipeTableCell!) -> Bool in
+                if let sessionCell = sender as? EventCell {
+                    UIView.animateWithDuration(0.3, animations: { () -> Void in
+                        if (eventViewModel.isFavorite) {
+                            sessionCell.favoriteImage.transform = CGAffineTransformMakeScale(0.1, 0.1)
+                            sessionCell.favoriteImage.alpha = 0.0
+                        } else {
+                            sessionCell.favoriteImage.transform = CGAffineTransformIdentity
+                            sessionCell.favoriteImage.alpha = 1.0
+                        }
+                        }, completion: { (done) -> Void in
+                            if done {
+                                me!.viewModel?.favoriteEvent(eventViewModel.sessionId.value)
+                            }
+                    })
+                }
+                return true
+            }
+            
+            faveButton.setPadding(CGFloat(20))
+            cell.leftButtons = [faveButton]
+            
+            return [faveButton]
+        }
+        return nil
+    }
 }