artsy
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diff --git a/Collapse file: Artsy/View_Controllers/Auction/AuctionRefineSettings.swift
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diff --git a/Collapse file: Artsy/View_Controllers/Auction/AuctionRefineViewController+Private.swift
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@@ -245,6 +245,10 @@
 		5E0AEB7819B9EA43009F34DE /* ARShowNetworkModel.m in Sources */ = {isa = PBXBuildFile; fileRef = 5E0AEB7719B9EA43009F34DE /* ARShowNetworkModel.m */; };
 		5E0AEB7A19B9EF57009F34DE /* ARShowNetworkModelTests.m in Sources */ = {isa = PBXBuildFile; fileRef = 5E0AEB7919B9EF57009F34DE /* ARShowNetworkModelTests.m */; };
 		5E0AEB7D19B9FAED009F34DE /* ARStubbedShowNetworkModel.m in Sources */ = {isa = PBXBuildFile; fileRef = 5E0AEB7C19B9FAED009F34DE /* ARStubbedShowNetworkModel.m */; };
+		5E17B1941C59645E00CE6E98 /* Range@2x.png in Resources */ = {isa = PBXBuildFile; fileRef = 5E17B1921C59645E00CE6E98 /* Range@2x.png */; };
+		5E17B1951C59645E00CE6E98 /* Track@2x.png in Resources */ = {isa = PBXBuildFile; fileRef = 5E17B1931C59645E00CE6E98 /* Track@2x.png */; };
+		5E17B1981C5965CC00CE6E98 /* Thumb.png in Resources */ = {isa = PBXBuildFile; fileRef = 5E17B1961C5965CC00CE6E98 /* Thumb.png */; };
+		5E17B1991C5965CC00CE6E98 /* Thumb@2x.png in Resources */ = {isa = PBXBuildFile; fileRef = 5E17B1971C5965CC00CE6E98 /* Thumb@2x.png */; };
 		5E284609194A2E58007274AB /* ARFairGuideContainerViewController.m in Sources */ = {isa = PBXBuildFile; fileRef = 5E284608194A2E58007274AB /* ARFairGuideContainerViewController.m */; };
 		5E47F34E1C3ECAA600EC0751 /* AuctionViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = 5E47F34D1C3ECAA600EC0751 /* AuctionViewController.swift */; };
 		5E47F3541C44358600EC0751 /* AuctionBannerView.swift in Sources */ = {isa = PBXBuildFile; fileRef = 5E47F3531C44358600EC0751 /* AuctionBannerView.swift */; };
@@ -1062,6 +1066,10 @@
 		5E0AEB7919B9EF57009F34DE /* ARShowNetworkModelTests.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = ARShowNetworkModelTests.m; sourceTree = "<group>"; };
 		5E0AEB7B19B9FAED009F34DE /* ARStubbedShowNetworkModel.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = ARStubbedShowNetworkModel.h; sourceTree = "<group>"; };
 		5E0AEB7C19B9FAED009F34DE /* ARStubbedShowNetworkModel.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = ARStubbedShowNetworkModel.m; sourceTree = "<group>"; };
+		5E17B1921C59645E00CE6E98 /* Range@2x.png */ = {isa = PBXFileReference; lastKnownFileType = image.png; path = "Range@2x.png"; sourceTree = "<group>"; };
+		5E17B1931C59645E00CE6E98 /* Track@2x.png */ = {isa = PBXFileReference; lastKnownFileType = image.png; path = "Track@2x.png"; sourceTree = "<group>"; };
+		5E17B1961C5965CC00CE6E98 /* Thumb.png */ = {isa = PBXFileReference; lastKnownFileType = image.png; path = Thumb.png; sourceTree = "<group>"; };
+		5E17B1971C5965CC00CE6E98 /* Thumb@2x.png */ = {isa = PBXFileReference; lastKnownFileType = image.png; path = "Thumb@2x.png"; sourceTree = "<group>"; };
 		5E284607194A2E58007274AB /* ARFairGuideContainerViewController.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = ARFairGuideContainerViewController.h; sourceTree = "<group>"; };
 		5E284608194A2E58007274AB /* ARFairGuideContainerViewController.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = ARFairGuideContainerViewController.m; sourceTree = "<group>"; };
 		5E47F34C1C3ECAA500EC0751 /* Artsy-Bridging-Header.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = "Artsy-Bridging-Header.h"; sourceTree = "<group>"; };
@@ -3377,6 +3385,10 @@
 				5E6BA6E81C56B5D700B942C1 /* AuctionRefineCancelButton.png */,
 				5EF9E1151C56D0B900CD80DB /* AuctionRefineCheck.png */,
 				5EF9E1161C56D0B900CD80DB /* AuctionRefineCheck@2x.png */,
+				5E17B1961C5965CC00CE6E98 /* Thumb.png */,
+				5E17B1971C5965CC00CE6E98 /* Thumb@2x.png */,
+				5E17B1921C59645E00CE6E98 /* Range@2x.png */,
+				5E17B1931C59645E00CE6E98 /* Track@2x.png */,
 			);
 			path = Assets;
 			sourceTree = "<group>";
@@ -4359,6 +4371,7 @@
 				E6FFEAB119C7925600A0D7DE /* onboard_2@2x~ipad.jpg in Resources */,
 				60647C7A1A95095800A45247 /* ARFairPopupViewController.xib in Resources */,
 				E6FFEABA19C7925600A0D7DE /* splash_3@2x~iphone.jpg in Resources */,
+				5E17B1981C5965CC00CE6E98 /* Thumb.png in Resources */,
 				3C4AE98119094DAA009C0E8B /* MapAnnotation_Highlighted@2x.png in Resources */,
 				60E71A011B4C60AC008948FA /* Artsy_Logo.png in Resources */,
 				605002E317D8912300C090B8 /* Artwork_Icon_Share@2x.png in Resources */,
@@ -4370,6 +4383,7 @@
 				E6FFEAB519C7925600A0D7DE /* splash_1@2x~ipad.jpg in Resources */,
 				6012313618B2E44A00B7667F /* MapButtonAction@2x.png in Resources */,
 				608B706317D4A1C80088A56C /* ActionButton@2x.png in Resources */,
+				5E17B1951C59645E00CE6E98 /* Track@2x.png in Resources */,
 				60215FD817CDF9FA000F3A62 /* ARSignUpActiveUserViewController.xib in Resources */,
 				5E6BA6EA1C56B5D700B942C1 /* AuctionRefineCancelButton.png in Resources */,
 				49BA7E0E1655ABE600C06572 /* InfoPlist.strings in Resources */,
@@ -4379,6 +4393,7 @@
 				3C4AE9AC1909C3A5009C0E8B /* MapAnnotationCallout_Arrow@2x.png in Resources */,
 				608B708C17D4A1C80088A56C /* SidebarButtonHighlightBG@2x.png in Resources */,
 				3C4AE98819094DAA009C0E8B /* MapAnnotation_Transport@2x.png in Resources */,
+				5E17B1991C5965CC00CE6E98 /* Thumb@2x.png in Resources */,
 				E6543CDB18AD795E00A6B9AF /* Parallax_Overlay_Bottom@2x.png in Resources */,
 				5E6621DD19768F750064FC52 /* MapIcon@2x.png in Resources */,
 				E60673B319BE4E8C00EF05EB /* full_logo_white_small@2x.png in Resources */,
@@ -4421,6 +4436,7 @@
 				E6FFEABC19C7925600A0D7DE /* splash_4@2x~iphone.jpg in Resources */,
 				3C4AE99619094F96009C0E8B /* ViewInRoom_Wall_Right@2x.png in Resources */,
 				608B707A17D4A1C80088A56C /* FollowCheckmark@2x.png in Resources */,
+				5E17B1941C59645E00CE6E98 /* Range@2x.png in Resources */,
 				608B709417D4A1C80088A56C /* CloseButtonLarge@2x.png in Resources */,
 				608B708017D4A1C80088A56C /* MenuClose@2x.png in Resources */,
 				60D8E63C18D256BB0040BEFD /* ARDemoSplashViewController.xib in Resources */,
 
@@ -1,14 +1,22 @@
-struct AuctionRefineSettings: Equatable {
+struct AuctionRefineSettings {
+    typealias Range = (min: Int, max: Int)
+
     let ordering: AuctionOrderingSwitchValue
-    let range: (min: Int, max: Int)
+    let range: Range
+}
 
-    // TODO: This is a temporary initializer until we have price range finished.
-    init(ordering: AuctionOrderingSwitchValue) {
-        self.ordering = ordering
-        self.range = (min: 0, max: 100)
+extension AuctionRefineSettings {
+    func settingsWithOrdering(ordering: AuctionOrderingSwitchValue) -> AuctionRefineSettings {
+        return AuctionRefineSettings(ordering: ordering, range: self.range)
+    }
+
+    func settingsWithRange(range: Range) -> AuctionRefineSettings {
+        return AuctionRefineSettings(ordering: self.ordering, range: range)
     }
 }
 
+extension AuctionRefineSettings: Equatable {}
+
 func ==(lhs: AuctionRefineSettings, rhs: AuctionRefineSettings) -> Bool {
     guard lhs.ordering == rhs.ordering else { return false }
     guard lhs.range.min == rhs.range.min else { return false }
 
@@ -3,6 +3,7 @@ import Artsy_UILabels
 import Artsy_UIFonts
 import ORStackView
 import Then
+import MARKRangeSlider
 
 private let CellIdentifier = "Cell"
 
@@ -26,9 +27,24 @@ extension AuctionRefineViewController {
         stackView.alignBottomEdgeWithView(view, predicate: "-20")
         stackView.alignLeading("0", trailing: "0", toView: view)
     }
+
+    func updatePriceLabels() {
+        minLabel?.text = NSNumberFormatter.currencyStringForDollarCents(currentSettings.range.min)
+        maxLabel?.text = NSNumberFormatter.currencyStringForDollarCents(currentSettings.range.max)
+    }
+
+    func updateButtonEnabledStates() {
+        let settingsDifferFromDefault = currentSettings != defaultSettings
+        let settingsDifferFromInitial = currentSettings != initialSettings
+
+        applyButton?.enabled = settingsDifferFromInitial
+        resetButton?.enabled = settingsDifferFromDefault
+    }
 }
 
-extension AuctionRefineViewController {
+private typealias UserInteraction = AuctionRefineViewController
+extension UserInteraction {
+
     func userDidCancel() {
         delegate?.userDidCancel(self)
     }
@@ -37,14 +53,19 @@ extension AuctionRefineViewController {
         delegate?.userDidApply(currentSettings, controller: self)
     }
 
-    func userDidPressClear() {
+    func userDidPressReset() {
         // Reset all UI back to its default settings, including a hard reload on the table view.
         currentSettings = defaultSettings
         sortTableView?.reloadData()
+
+        slider?.setLeftValue(CGFloat(defaultSettings.range.min), rightValue: CGFloat(defaultSettings.range.max))
+        updatePriceLabels()
+        updateButtonEnabledStates()
     }
 }
 
-private extension AuctionRefineViewController {
+private typealias UISetup = AuctionRefineViewController
+private extension UISetup {
 
     func cancelButton() -> UIButton {
         let cancelButton = UIButton(type: .Custom)
@@ -83,6 +104,70 @@ private extension AuctionRefineViewController {
 
         stackView.addSubview(ARSeparatorView(), withTopMargin: "0", sideMargin: "0")
 
+        // Price section
+        do {
+            stackView.addSubview(subtitleLabel("Price"), withTopMargin: "20", sideMargin: "40")
+
+            let priceExplainLabel = ARSerifLabel().then {
+                $0.font = UIFont.serifItalicFontWithSize(15)
+                $0.text = "Based on the low estimates of the works"
+            }
+            stackView.addSubview(priceExplainLabel, withTopMargin: "10", sideMargin: "40")
+
+            let labelContainer = UIView().then {
+                $0.constrainHeight("20")
+                $0.translatesAutoresizingMaskIntoConstraints = false
+            }
+            stackView.addSubview(labelContainer, withTopMargin: "10", sideMargin: "40")
+
+            let slider = MARKRangeSlider().then {
+                $0.rangeImage = UIImage(named: "Range")
+                $0.trackImage = UIImage(named: "Track")
+                $0.rightThumbImage = UIImage(named: "Thumb")
+                $0.leftThumbImage = $0.rightThumbImage
+                $0.addTarget(self, action: "sliderValueDidChange:", forControlEvents: .ValueChanged)
+
+                let maxRange = self.defaultSettings.range
+                let initialRange = initialSettings.range
+                $0.setMinValue(CGFloat(maxRange.min), maxValue: CGFloat(maxRange.max))
+                $0.setLeftValue(CGFloat(initialRange.min), rightValue: CGFloat(initialRange.max))
+
+                // Make sure they don't touch by keeping them minimum 10% apart
+                $0.minimumDistance = CGFloat(maxRange.max - maxRange.min) / 10.0
+            }
+            stackView.addSubview(slider, withTopMargin: "10", sideMargin: "40")
+
+            // Max/min labels
+            let minLabel = ARItalicsSerifLabel().then {
+                $0.font = UIFont.serifFontWithSize(15)
+                return
+            }
+            labelContainer.addSubview(minLabel)
+
+            minLabel.alignCenterYWithView(labelContainer, predicate: "0") // Center vertically in container.
+            minLabel.alignCenterXWithView(slider.leftThumbView, predicate: "0").forEach(setConstraintPriority(.StayCenteredOverThumb))
+            minLabel.alignAttribute(.Leading, toAttribute: .Leading, ofView: labelContainer, predicate: ">= 0").forEach(setConstraintPriority(.StayWithinFrame))
+
+            let maxLabel = ARItalicsSerifLabel().then {
+                $0.font = UIFont.serifFontWithSize(15)
+                return
+            }
+            labelContainer.addSubview(maxLabel)
+
+            maxLabel.alignCenterYWithView(labelContainer, predicate: "0") // Center vertically in container.
+            maxLabel.alignCenterXWithView(slider.rightThumbView, predicate: "0").forEach(setConstraintPriority(.StayCenteredOverThumb))
+            maxLabel.alignAttribute(.Trailing, toAttribute: .Trailing, ofView: labelContainer, predicate: "<= 0").forEach(setConstraintPriority(.StayWithinFrame))
+
+            // Make sure they don't touch! Shouldn't be necessary since they'll be 10% appart, but this is "just in case" make sure the labels never overlap.
+            minLabel.constrainTrailingSpaceToView(maxLabel, predicate: "<= -10").forEach(setConstraintPriority(.DoNotOverlap))
+
+            self.minLabel = minLabel
+            self.maxLabel = maxLabel
+            self.slider = slider
+            
+            updatePriceLabels()
+        }
+
         let applyButton = ARBlackFlatButton().then {
             $0.enabled = false
             $0.setTitle("Apply", forState: .Normal)
@@ -95,7 +180,7 @@ private extension AuctionRefineViewController {
             $0.setBorderColor(.artsyLightGrey(), forState: .Normal)
             $0.setBorderColor(UIColor.artsyLightGrey().colorWithAlphaComponent(0.5), forState: .Disabled)
             $0.layer.borderWidth = 1
-            $0.addTarget(self, action: "userDidPressClear", forControlEvents: .TouchUpInside)
+            $0.addTarget(self, action: "userDidPressReset", forControlEvents: .TouchUpInside)
         }
 
         let buttonContainer = UIView()
@@ -114,11 +199,33 @@ private extension AuctionRefineViewController {
         self.resetButton = resetButton
         self.sortTableView = tableView
 
+        updateButtonEnabledStates()
+
         return stackView
     }
 }
 
-extension AuctionRefineViewController: UITableViewDataSource, UITableViewDelegate {
+private typealias SliderView = AuctionRefineViewController
+extension SliderView {
+    func sliderValueDidChange(slider: MARKRangeSlider) {
+        let range = (min: Int(slider.leftValue), max: Int(slider.rightValue))
+        currentSettings = currentSettings.settingsWithRange(range)
+    }
+
+    enum SliderPriorities: UILayoutPriority {
+        case StayWithinFrame = 475
+        case DoNotOverlap = 450
+        case StayCenteredOverThumb = 425
+    }
+
+    // Sets priority of the constraint, using AnyObject! because of FLKAutoLayout
+    func setConstraintPriority(priority: SliderPriorities)(constraint: AnyObject!) {
+        (constraint as? NSLayoutConstraint)?.priority = priority.rawValue
+    }
+}
+
+private typealias TableView = AuctionRefineViewController
+extension TableView: UITableViewDataSource, UITableViewDelegate {
     func tableView(tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
         return AuctionOrderingSwitchValue.allSwitchValues().count
     }
@@ -148,7 +255,7 @@ extension AuctionRefineViewController: UITableViewDataSource, UITableViewDelegat
         }
 
         // Change setting.
-        currentSettings = AuctionRefineSettings(ordering: AuctionOrderingSwitchValue.fromInt(indexPath.row))
+        currentSettings = currentSettings.settingsWithOrdering(AuctionOrderingSwitchValue.fromInt(indexPath.row))
 
         // Check newly selected cell.
         let cell = tableView.cellForRowAtIndexPath(indexPath)
 
@@ -1,4 +1,5 @@
 import UIKit
+import MARKRangeSlider
 
 protocol AuctionRefineViewControllerDelegate: class {
     func userDidCancel(controller: AuctionRefineViewController)
@@ -7,20 +8,25 @@ protocol AuctionRefineViewControllerDelegate: class {
 
 class AuctionRefineViewController: UIViewController {
     weak var delegate: AuctionRefineViewControllerDelegate?
+    var minLabel: UILabel?
+    var maxLabel: UILabel?
+    var slider: MARKRangeSlider?
     var applyButton: UIButton?
     var resetButton: UIButton?
     var sortTableView: UITableView?
 
+    // defaultSettings also implies min/max price ranges
     var defaultSettings: AuctionRefineSettings
     var initialSettings: AuctionRefineSettings
     var currentSettings: AuctionRefineSettings {
         didSet {
-            // Handle Apply/Clear button enabledness
-            let settingsDiffer = currentSettings != initialSettings
-            [applyButton, resetButton].forEach { $0?.enabled = settingsDiffer }
+            updateButtonEnabledStates()
+            updatePriceLabels()
         }
     }
 
+    var changeStatusBar = false
+
     init(defaultSettings: AuctionRefineSettings, initialSettings: AuctionRefineSettings) {
         self.defaultSettings = defaultSettings
         self.initialSettings = initialSettings
@@ -47,12 +53,17 @@ class AuctionRefineViewController: UIViewController {
 
         // Removes our rounded corners
         presentationController?.presentedView()?.layer.cornerRadius = 0
-        UIApplication.sharedApplication().setStatusBarHidden(true, withAnimation: animated ? .Slide : .None)
+
+        if changeStatusBar {
+            UIApplication.sharedApplication().setStatusBarHidden(true, withAnimation: animated ? .Slide : .None)
+        }
     }
 
     override func viewWillDisappear(animated: Bool) {
         super.viewWillDisappear(animated)
 
-        UIApplication.sharedApplication().setStatusBarHidden(true, withAnimation: animated ? .Slide : .None)
+        if changeStatusBar {
+            UIApplication.sharedApplication().setStatusBarHidden(false, withAnimation: animated ? .Slide : .None)
+        }
     }
 }
@@ -9,12 +9,12 @@ class AuctionViewController: UIViewController {
 
     var stackScrollView: ORStackScrollView!
 
-    // TODO: These need to be set to defaultRefineSettings() when we have enough data loaded to calculate it.
-    var refineSettings = AuctionRefineSettings(ordering: AuctionOrderingSwitchValue.LotNumber) {
-        didSet {
-            // TODO: Apply settings
-        }
-    }
+    var _defaultRefineSettings: AuctionRefineSettings!
+
+    // Our refine settings are (by defualt) the default refine setings.
+    lazy var refineSettings: AuctionRefineSettings = {
+        return self.defaultRefineSettings()
+    }()
 
     lazy var networkModel: AuctionNetworkModel = {
         return AuctionNetworkModel(saleID: self.saleID)
@@ -84,9 +84,13 @@ extension AuctionViewController {
     }
 
     func defaultRefineSettings() -> AuctionRefineSettings {
-        // TODO: calculate min/max based on sale artworks.
-        // TODO: Since this doesn't change, we should cache the value instead of recomputing every time.
-        return AuctionRefineSettings(ordering: AuctionOrderingSwitchValue.LotNumber)
+        guard let defaultSettings = _defaultRefineSettings else {
+            // TODO: calculate min/max based on sale artworks. We're just using 100/100,000 for now.
+            let defaultSettings = AuctionRefineSettings(ordering: AuctionOrderingSwitchValue.LotNumber, range: (min: 100, max: 100_000))
+            _defaultRefineSettings = defaultSettings
+            return defaultSettings
+        }
+        return defaultSettings
     }
 }
 
@@ -95,6 +99,7 @@ extension AuctionViewController: AuctionTitleViewDelegate {
         let refineViewController = AuctionRefineViewController(defaultSettings: defaultRefineSettings(), initialSettings: refineSettings).then {
             $0.delegate = self
             $0.modalPresentationStyle = .FormSheet
+            $0.changeStatusBar = self.traitCollection.horizontalSizeClass == .Compact
         }
         presentViewController(refineViewController, animated: true, completion: nil)
     }