bunch of random work

Shared/Persisence/PersistenceADD.swift

@@ -8,6 +8,20 @@
 import CoreData
 
 extension PersistenceController {
+    public func fixWrongWeekdays() {
+        let data = PersistenceController.shared.getData(startDate: Date(timeIntervalSince1970: 0),
+                                                        endDate: Date(),
+                                                        includedDays: []).sorted(by: {
+            $0.forDate! < $1.forDate!
+        })
+        
+        data.forEach({
+            $0.weekDay = Int16(Calendar.current.component(.weekday, from: $0.forDate!.startOfDay))
+            $0.forDate = $0.forDate?.startOfDay
+        })
+        try? viewContext.save()
+    }
+    
     public func add(mood: Mood, forDate date: Date, entryType: EntryType) {
         if let existingEntry = getEntry(byDate: date) {
             viewContext.delete(existingEntry)
@@ -18,7 +32,10 @@ extension PersistenceController {
         newItem.timestamp = Date()
         newItem.moodValue = Int16(mood.rawValue)
         newItem.forDate = date
-        newItem.weekDay = Int16(Calendar.current.component(.weekday, from: date))
+        
+        let localTime = date.toLocalTime()
+        newItem.weekDay = Int16(Calendar.current.component(.weekday, from: localTime))
+        
         newItem.canEdit = true
         newItem.canDelete = true
         newItem.entryType = Int16(entryType.rawValue)