+ currency widget

{
        "type": "currency",
        "refreshInterval": 600,
        "align": "right",
        "from": "USD",
        "to": "RUB"
    },

MTMR.xcodeproj/project.pbxproj

@@ -19,6 +19,7 @@
 		6042B6A72083E03A00C525C8 /* AppScrubberTouchBarItem.swift in Sources */ = {isa = PBXBuildFile; fileRef = 6042B6A62083E03A00C525C8 /* AppScrubberTouchBarItem.swift */; };
 		6042B6AA2083E27000C525C8 /* DeprecatedCarbonAPI.c in Sources */ = {isa = PBXBuildFile; fileRef = 6042B6A92083E27000C525C8 /* DeprecatedCarbonAPI.c */; };
 		607EEA4B2087835F009DA5F0 /* WeatherBarItem.swift in Sources */ = {isa = PBXBuildFile; fileRef = 607EEA4A2087835F009DA5F0 /* WeatherBarItem.swift */; };
+		607EEA4D2087A8DA009DA5F0 /* CurrencyBarItem.swift in Sources */ = {isa = PBXBuildFile; fileRef = 607EEA4C2087A8DA009DA5F0 /* CurrencyBarItem.swift */; };
 		B0008E552080286C003AD4DD /* SupportHelpers.swift in Sources */ = {isa = PBXBuildFile; fileRef = B0008E542080286C003AD4DD /* SupportHelpers.swift */; };
 		B05600D32083E9BB00EB218D /* CustomSlider.swift in Sources */ = {isa = PBXBuildFile; fileRef = B05600D22083E9BB00EB218D /* CustomSlider.swift */; };
 		B059D622205E03F5006E6B86 /* TouchBarController.swift in Sources */ = {isa = PBXBuildFile; fileRef = B059D621205E03F5006E6B86 /* TouchBarController.swift */; };
@@ -68,6 +69,7 @@
 		6042B6A82083E1F500C525C8 /* DeprecatedCarbonAPI.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = DeprecatedCarbonAPI.h; sourceTree = "<group>"; };
 		6042B6A92083E27000C525C8 /* DeprecatedCarbonAPI.c */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.c; path = DeprecatedCarbonAPI.c; sourceTree = "<group>"; };
 		607EEA4A2087835F009DA5F0 /* WeatherBarItem.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = WeatherBarItem.swift; sourceTree = "<group>"; };
+		607EEA4C2087A8DA009DA5F0 /* CurrencyBarItem.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = CurrencyBarItem.swift; sourceTree = "<group>"; };
 		B0008E542080286C003AD4DD /* SupportHelpers.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = SupportHelpers.swift; sourceTree = "<group>"; };
 		B05600D22083E9BB00EB218D /* CustomSlider.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = CustomSlider.swift; sourceTree = "<group>"; };
 		B059D621205E03F5006E6B86 /* TouchBarController.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = TouchBarController.swift; sourceTree = "<group>"; };
@@ -175,6 +177,7 @@
 				6042B6A62083E03A00C525C8 /* AppScrubberTouchBarItem.swift */,
 				B05600D22083E9BB00EB218D /* CustomSlider.swift */,
 				607EEA4A2087835F009DA5F0 /* WeatherBarItem.swift */,
+				607EEA4C2087A8DA009DA5F0 /* CurrencyBarItem.swift */,
 			);
 			path = MTMR;
 			sourceTree = "<group>";
@@ -349,6 +352,7 @@
 				36C2ECDB207C3FE7003CDA33 /* ItemsParsing.swift in Sources */,
 				B0A7E9AA205D6AA400EEF070 /* KeyPress.swift in Sources */,
 				36C2ECD7207B6DAE003CDA33 /* TimeTouchBarItem.swift in Sources */,
+				607EEA4D2087A8DA009DA5F0 /* CurrencyBarItem.swift in Sources */,
 				6027D1B92080E52A004FFDC7 /* BrightnessViewController.swift in Sources */,
 				368EDDE720812A1D00E10953 /* ScrollViewItem.swift in Sources */,
 			);

MTMR/CurrencyBarItem.swift

@@ -0,0 +1,73 @@
+//
+//  CurrencyBarItem.swift
+//  MTMR
+//
+//  Created by Daniel Apatin on 18.04.2018.
+//  Copyright © 2018 Anton Palgunov. All rights reserved.
+//
+
+import Cocoa
+import CoreLocation
+
+class CurrencyBarItem: NSCustomTouchBarItem {
+    private var timer: Timer!
+    private var interval: TimeInterval!
+    private var from: String
+    private var to: String
+    private let button = NSButton(title: "", target: nil, action: nil)
+    
+    init(identifier: NSTouchBarItem.Identifier, interval: TimeInterval, from: String, to: String) {
+        self.interval = interval
+        self.from = from
+        self.to = to
+        
+        super.init(identifier: identifier)
+        
+        button.bezelColor = .clear
+        button.title = "⏳"
+        self.view = button
+        
+        timer = Timer.scheduledTimer(timeInterval: interval, target: self, selector: #selector(updateCurrency), userInfo: nil, repeats: true)
+        
+        updateCurrency()
+    }
+    
+    required init?(coder: NSCoder) {
+        fatalError("init(coder:) has not been implemented")
+    }
+    
+    @objc func updateCurrency() {
+        let urlRequest = URLRequest(url: URL(string: "https://api.coinbase.com/v2/exchange-rates?currency=\(from)")!)
+        
+        let task = URLSession.shared.dataTask(with: urlRequest) { (data, response, error) in
+            if error == nil {
+                do {
+                    let json = try JSONSerialization.jsonObject(with: data!, options: .mutableContainers) as! [String : AnyObject]
+                    
+                    var value: String!
+                    
+                    if let data_array = json["data"] as? [String : AnyObject] {
+                        if let rates = data_array["rates"] as? [String : AnyObject] {
+                            if let item = rates["\(self.to)"] as? String {
+                                value = item
+                            }
+                        }
+                    }
+                    if value != nil {
+                        DispatchQueue.main.async {
+                            self.setCurrency(text: "\(self.from)\(value!)")
+                        }
+                    }
+                } catch let jsonError {
+                    print(jsonError.localizedDescription)
+                }
+            }
+        }
+
+        task.resume()
+    }
+    
+    func setCurrency(text: String) {
+        button.title = text
+    }
+}

MTMR/ItemsParsing.swift

@@ -80,6 +80,14 @@ class SupportedTypesHolder {
             let api_key = try container.decodeIfPresent(String.self, forKey: .api_key)
             return (item: .weather(interval: interval ?? 1800.00, units: units ?? "metric", api_key: api_key ?? "32c4256d09a4c52b38aecddba7a078f6"), action: .none, parameters: [:])
         },
+        "currency": { decoder in
+            enum CodingKeys: String, CodingKey { case refreshInterval; case from; case to }
+            let container = try decoder.container(keyedBy: CodingKeys.self)
+            let interval = try container.decodeIfPresent(Double.self, forKey: .refreshInterval)
+            let from = try container.decodeIfPresent(String.self, forKey: .from)
+            let to = try container.decodeIfPresent(String.self, forKey: .to)
+            return (item: .currency(interval: interval ?? 600.00, from: from ?? "RUB", to: to ?? "USD"), action: .none, parameters: [:])
+        },
         "dock": { decoder in
             return (item: .dock(), action: .none, parameters: [:])
         },
@@ -141,12 +149,15 @@ enum ItemType: Decodable {
     case volume()
     case brightness(refreshInterval: Double)
     case weather(interval: Double, units: String, api_key: String)
+    case currency(interval: Double, from: String, to: String)
 
     private enum CodingKeys: String, CodingKey {
         case type
         case title
         case source
         case refreshInterval
+        case from
+        case to
         case units
         case api_key
         case formatTemplate
@@ -161,6 +172,7 @@ enum ItemType: Decodable {
         case volume
         case brightness
         case weather
+        case currency
     }
 
     init(from decoder: Decoder) throws {
@@ -189,6 +201,11 @@ enum ItemType: Decodable {
             let units = try container.decodeIfPresent(String.self, forKey: .units) ?? "metric"
             let api_key = try container.decodeIfPresent(String.self, forKey: .api_key) ?? "32c4256d09a4c52b38aecddba7a078f6"
             self = .weather(interval: interval, units: units, api_key: api_key)
+        case .currency:
+            let interval = try container.decodeIfPresent(Double.self, forKey: .refreshInterval) ?? 1800.0
+            let from = try container.decodeIfPresent(String.self, forKey: .from) ?? "RUB"
+            let to = try container.decodeIfPresent(String.self, forKey: .to) ?? "USD"
+            self = .currency(interval: interval, from: from, to: to)
         }
     }
 }

MTMR/TouchBarController.swift

@@ -31,6 +31,8 @@ extension ItemType {
             return "com.toxblh.mtmr.brightness"
         case .weather(interval: _, units: _, api_key: _):
             return "com.toxblh.mtmr.weather"
+        case .currency(interval: _, from: _, to: _):
+            return "com.toxblh.mtmr.currency"
         }
     }
 
@@ -170,6 +172,8 @@ class TouchBarController: NSObject, NSTouchBarDelegate {
             }
         case .weather(interval: let interval, units: let units, api_key: let api_key):
             barItem = WeatherBarItem(identifier: identifier, interval: interval, units: units, api_key: api_key)
+        case .currency(interval: let interval, from: let from, to: let to):
+            barItem = CurrencyBarItem(identifier: identifier, interval: interval, from: from, to: to)
         }
         
         if case .width(let value)? = item.additionalParameters[.width], let widthBarItem = barItem as? CanSetWidth {