Validation for Weight and Age inputs

Author: fernandoeckert

Sources/SprenUI/UI/Screens/Flows/BodyComp/Components/InputElements/AgeInput.swift

@@ -19,7 +19,17 @@ struct AgeInput: View {
     var strokeColor: Color = .sprenUISecondaryColor
 
     var body: some View {
-        TextField("Enter your age", value: $age, formatter: numberFormatter)
+        let binding = Binding<Int?>(get: {
+            return self.age
+        }, set: {
+            if let age = $0 {
+                self.age = age
+            }else{
+                self.age = 0
+            }
+        })
+        
+        TextField("Enter your age", value: binding, formatter: numberFormatter)
             .font(.sprenInput)
             .keyboardType(.numberPad)
             .padding()

Sources/SprenUI/UI/Screens/Flows/BodyComp/Components/InputElements/WeightInput.swift

@@ -20,10 +20,21 @@ struct WeightInput: View {
     var strokeColor: Color = .sprenUISecondaryColor
 
     var body: some View {
+        
+        let binding = Binding<Double?>(get: {
+            return self.weight
+        }, set: {
+            if let weight = $0 {
+                self.weight = weight
+            }else{
+                self.weight = 0
+            }
+        })
+        
         VStack(alignment: .leading, spacing: 0) {
             let textUnit = weightMetric == 0 ? "lbs" : "kg"
             HStack {
-                TextField("Enter your weight", value: $weight, formatter: numberFormatter)
+                TextField("Enter your weight", value: binding, formatter: numberFormatter)
                     .font(.sprenInput)
                     .keyboardType(.decimalPad)
                 Spacer()

Sources/SprenUI/UI/Screens/Flows/BodyComp/UserInputScreens/AgeScreen/AgeScreen.swift

@@ -48,11 +48,16 @@ struct AgeScreen: View {
             }
 
             Spacer()
-            NavigationLink(destination: GenderScreen()) {
+            
+            if(age == 0){
                 PurpleButton(text: "Next")
-            }.simultaneousGesture(TapGesture().onEnded {
-                UserData.default.saveAge(self.$age.wrappedValue)
-            })
+            }else{
+                NavigationLink(destination: GenderScreen()) {
+                    PurpleButton(text: "Next")
+                }.simultaneousGesture(TapGesture().onEnded {
+                    UserData.default.saveAge(self.$age.wrappedValue)
+                })
+            }
         }
         .navigationBarHidden(true)
         .padding(.all, Autoscale.convert(15))

Sources/SprenUI/UI/Screens/Flows/BodyComp/UserInputScreens/WeightScreen/WeightScreen.swift

@@ -46,11 +46,16 @@ struct WeightScreen: View {
             .pickerStyle(.segmented)
             WeightInput(weight: $weight, weightMetric: weightMetric)
             Spacer()
-            NavigationLink(destination: HeightScreen()) {
+            
+            if(weight == 0){
                 PurpleButton(text: "Next")
-            }.simultaneousGesture(TapGesture().onEnded{
-                UserData.default.saveWeight(self.$weight.wrappedValue, self.$weightMetric.wrappedValue)
-            })
+            }else{
+                NavigationLink(destination: HeightScreen()) {
+                    PurpleButton(text: "Next")
+                }.simultaneousGesture(TapGesture().onEnded{
+                    UserData.default.saveWeight(self.$weight.wrappedValue, self.$weightMetric.wrappedValue)
+                })
+            }
         }
         .navigationBarHidden(true)
         .padding(.all, Autoscale.convert(15))