Header chart view on main page

change layout of main page rows

Shared/views/HeaderStatsView.swift

@@ -11,6 +11,30 @@ import Charts
 struct HeaderStatsView : UIViewRepresentable {
     //Bar chart accepts data as array of BarChartDataEntry objects
     var entries : [BarChartDataEntry]
+    
+    init(fakeData: Bool, backDays: Int) {
+        entries = [BarChartDataEntry]()
+        
+        var moodEntries: [MoodEntry]?
+
+        if fakeData {
+            moodEntries = PersistenceController.shared.randomEntries(count: 10)
+        } else {
+            var daysAgo = Calendar.current.date(byAdding: .day, value: -backDays, to: Date())!
+            daysAgo = Calendar.current.date(bySettingHour: 0, minute: 0, second: 0, of: daysAgo)!
+            
+            moodEntries = PersistenceController.shared.getData(startDate: daysAgo, endDate: Date(), includedDays: [1,2,3,4,5,6,7])
+        }
+        if let moodEntries = moodEntries {
+            for (index, mood) in Mood.allValues.enumerated() {
+                entries.append(BarChartDataEntry(x: Double(index + 1),
+                                                 y: Double(moodEntries.filter({
+                    Int($0.moodValue) == mood.rawValue
+                }).count)))
+            }
+        }
+    }
+    
     // this func is required to conform to UIViewRepresentable protocol
     func makeUIView(context: Context) -> BarChartView {
         //crate new chart
@@ -56,7 +80,7 @@ struct HeaderStatsView : UIViewRepresentable {
         //BarChartDataSet is an object that contains information about your data, styling and more
         let dataSet = BarChartDataSet(entries: entries)
         // change bars color to green
-        dataSet.colors = [NSUIColor.green]
+        dataSet.colors = Mood.allValues.map({ NSUIColor( $0.color ) })
         //change data label
         data.append(dataSet)
         return data
@@ -70,13 +94,6 @@ struct HeaderStatsView : UIViewRepresentable {
 
 struct HeaderStatsView_Previews: PreviewProvider {
     static var previews: some View {
-        HeaderStatsView(entries: [
-            //x - position of a bar, y - height of a bar
-            BarChartDataEntry(x: 1, y: 1),
-            BarChartDataEntry(x: 2, y: 4),
-            BarChartDataEntry(x: 3, y: 3),
-            BarChartDataEntry(x: 4, y: 2),
-            BarChartDataEntry(x: 5, y: 1)
-        ]).frame(minHeight: 85, maxHeight: 90)
+        HeaderStatsView(fakeData: true, backDays: 30).frame(minHeight: 85, maxHeight: 90)
     }
 }