--- a/Simoleon/Settings.swift	Tue Jul 20 09:02:51 2021 +0100
+++ b/Simoleon/Settings.swift	Tue Jul 20 09:54:41 2021 +0100
@@ -8,8 +8,10 @@
 import SwiftUI
 
 struct Settings: View {
+    @Environment(\.managedObjectContext) private var viewContext
+    @FetchRequest(sortDescriptors: []) private var userSettings: FetchedResults<UserSettings>
+    @State private var selectedCurrencyPair = "USD/GBP"
     let currencyPairs: [String] = parseJson("CurrencyPairs.json")
-    @State private var selectedCurrencyPair = "USD/GBP"
     
     var body: some View {
         List {
@@ -19,15 +21,20 @@
                         Text(currencyPair)
                     }
                 }
+                .onChange(of: selectedCurrencyPair, perform: { selectedCurrencyPair in
+                    setDefaultCurrency()
+                })
             }
             
             Section(header: Text("Stay in touch")) {
-                HStack {
-                    Image(systemName: "heart.fill")
-                        .foregroundColor(Color(.systemRed))
-                        .imageScale(.large)
-                    
-                    Text("Rate Simoleon")
+                Link(destination: URL(string: "https://itunes.apple.com/app/id1576390953?action=write-review")!) {
+                    HStack {
+                        Image(systemName: "heart.fill")
+                            .foregroundColor(Color(.systemRed))
+                            .imageScale(.large)
+                        
+                        Text("Rate Simoleon")
+                    }
                 }
                 
                 Link(destination: URL(string: "https://dennistech.io")!) {
@@ -54,14 +61,42 @@
             Section(header: Text("About")) {
                 Link("Website", destination: URL(string: "https://dennistech.io")!)
                 Link("Privacy Policy", destination: URL(string: "https://dennistech.io")!)
+                Link("Developer's Twitter", destination: URL(string: "https://twitter.com/dennisconcep")!)
             }
         }
+        .onAppear(perform: fetchUserSettings)
         .listStyle(InsetGroupedListStyle())
         .navigationTitle("Settings")
         .if(UIDevice.current.userInterfaceIdiom == .phone) { content in
             NavigationView { content }
         }
     }
+    
+    /*
+     1) Fetch default currency from User Settings
+     2) Change State var currencyPair
+     */
+    private func fetchUserSettings() {
+        if let userSettings = userSettings.first {
+            self.selectedCurrencyPair = userSettings.defaultCurrency ?? "USD/GBP"
+        }
+    }
+    
+    private func setDefaultCurrency() {
+        if self.userSettings.isEmpty {  /// If it's empty -> add record
+            let userSettings = UserSettings(context: viewContext)
+            userSettings.defaultCurrency = selectedCurrencyPair
+            
+            do {
+                try viewContext.save()
+            } catch {
+                print(error.localizedDescription)
+            }
+        } else {  /// If not, update record
+            self.userSettings.first?.defaultCurrency = selectedCurrencyPair
+            try? viewContext.save()
+        }
+    }
 }
 
 struct Settings_Previews: PreviewProvider {