wip

Shared/Persisence/PersistenceHelper.swift

@@ -0,0 +1,107 @@
+//
+//  PersistenceHelper.swift
+//  Feels (iOS)
+//
+//  Created by Trey Tartt on 2/17/22.
+//
+
+import CoreData
+
+extension PersistenceController {
+    public func randomEntries(count: Int) -> [MoodEntry] {
+        var entries = [MoodEntry]()
+        
+        for idx in 0..<count {
+            let newItem = MoodEntry(context: childContext)
+            newItem.timestamp = Calendar.current.date(byAdding: .day, value: -idx, to: Date())
+            newItem.moodValue = Int16(Mood.allValues.randomElement()!.rawValue)
+            let date = Calendar.current.date(byAdding: .day, value: -idx, to: Date())!
+            newItem.forDate = date
+            newItem.weekDay = Int16(Calendar.current.component(.weekday, from: date))
+            newItem.canEdit = true
+            newItem.canDelete = true
+            entries.append(newItem)
+        }
+        return entries
+    }
+    
+    func populateMemory() {
+#if debug
+        for idx in 1..<255 {
+            let newItem = MoodEntry(context: viewContext)
+            newItem.timestamp = Calendar.current.date(byAdding: .day, value: -idx, to: Date())
+            newItem.moodValue = Int16.random(in: 2 ... 4)
+            if idx % 5 == 0 {
+                newItem.moodValue = Int16.random(in: 0 ... 4)
+            }
+            newItem.canEdit = true
+            newItem.canDelete = true
+            
+            let date = Calendar.current.date(byAdding: .day, value: -idx, to: Date())!
+            newItem.forDate = date
+            newItem.weekDay = Int16(Calendar.current.component(.weekday, from: date))
+        }
+        do {
+            try viewContext.save()
+        } catch {
+            // Replace this implementation with code to handle the error appropriately.
+            // fatalError() causes the application to generate a crash log and terminate. You should not use this function in a shipping application, although it may be useful during development.
+            let nsError = error as NSError
+            fatalError("Unresolved error \(nsError), \(nsError.userInfo)")
+        }
+#endif
+    }
+    
+    func generateObjectNotInArray(forDate date: Date = Date(), withMood mood: Mood = .placeholder) -> MoodEntry {
+        let newItem = MoodEntry(context: childContext)
+        newItem.timestamp = Date()
+        newItem.moodValue = Int16.random(in: 2 ... 4)
+        if Int16.random(in: 0 ... 400) % 5 == 0 {
+            newItem.moodValue = Int16.random(in: 0 ... 4)
+        }
+        newItem.forDate = date
+        newItem.weekDay = Int16(Calendar.current.component(.weekday, from: Date()))
+        newItem.canEdit = false
+        newItem.canDelete = false
+        return newItem
+    }
+    
+    func populateTestData() {
+        do {
+            self.clearDB()
+            try viewContext.save()
+            
+            for idx in 1..<1000 {
+                let newItem = MoodEntry(context: viewContext)
+                newItem.timestamp = Date()
+                newItem.moodValue = Int16.random(in: 3 ... 4)
+                if Int16.random(in: 0 ... 400) % 5 == 0 {
+                    newItem.moodValue = Int16.random(in: 0 ... 4)
+                }
+                newItem.canEdit = true
+                newItem.canDelete = true
+                
+                let date = Calendar.current.date(byAdding: .day, value: -idx, to: Date())!
+                newItem.forDate = date
+                newItem.weekDay = Int16(Calendar.current.component(.weekday, from: date))
+            }
+            
+            saveAndRunDataListerners()
+        } catch {
+            // Replace this implementation with code to handle the error appropriately.
+            // fatalError() causes the application to generate a crash log and terminate. You should not use this function in a shipping application, although it may be useful during development.
+            let nsError = error as NSError
+            fatalError("Unresolved error \(nsError), \(nsError.userInfo)")
+        }
+    }
+    
+    func longestStreak() -> [MoodEntry] {
+        //        let predicate = NSPredicate(format: "forDate == %@", date as NSDate)
+        
+        let fetchRequest = NSFetchRequest<MoodEntry>(entityName: "MoodEntry")
+        //        fetchRequest.predicate = predicate
+        fetchRequest.sortDescriptors = [NSSortDescriptor(key: "forDate", ascending: true)]
+        let data = try! viewContext.fetch(fetchRequest)
+        return data
+    }
+}