everything changed

Shared/MoodEntryFunctions.swift

@@ -0,0 +1,66 @@
+//
+//  MoodEntryFunctions.swift
+//  Feels (iOS)
+//
+//  Created by Trey Tartt on 2/19/22.
+//
+
+import Foundation
+
+class MoodEntryFunctions {
+    static func padMoodEntriesForCalendar(entries grouped: [Int: [Int: [MoodEntry]]]) -> [Int: [Int: [MoodEntry]]] {
+        var newGrouped = [Int: [Int: [MoodEntry]]]()
+        
+        let allYears = grouped.keys.sorted(by: > )
+        for year in allYears {
+            var newMonth = [Int: [MoodEntry]]()
+
+            let oldMonths = grouped[year]!
+            let monthKeys = oldMonths.keys.sorted(by: > )
+            for key in monthKeys {
+                if let entries = oldMonths[key] {
+                    newMonth[key] = MoodEntryFunctions.padMoodEntriesMonth(monthEntries: entries)
+                }
+                newGrouped[year] = newMonth
+            }
+        }
+        return newGrouped
+    }
+    
+    static func padMoodEntriesMonth(monthEntries entries: [MoodEntry]) -> [MoodEntry] {
+        let sortedEntries = entries.sorted(by: { $0.forDate! < $1.forDate! })
+        var mutableEntries = sortedEntries
+        
+        if let firstDate = sortedEntries.first {
+            let date = firstDate.forDate!
+            
+            // if the first entry for a month is in the middle of the month we
+            // need to add in the missing entries, as placeholders, to the beignning to get
+            // the entries on the right day. think user downloads in the middle of the month
+            // and entry is on the 13th ... this needs to show on the 13th entry spot
+            var startOfMonth = date.startOfMonth
+            startOfMonth = Calendar.current.date(byAdding: .hour, value: 9, to: startOfMonth)!
+            let lastMissingDate =  mutableEntries.first?.forDate ?? date.endOfMonth
+            var missingDates = Date.dates(from: startOfMonth, to: lastMissingDate)
+            missingDates = missingDates.dropLast()
+            
+            for date in missingDates {
+                mutableEntries.insert(PersistenceController.shared.generateObjectNotInArray(forDate: date, withMood: .placeholder), at: 0)
+            }
+            
+            mutableEntries = mutableEntries.sorted(by: {
+                $0.forDate! < $1.forDate!
+            })
+            
+            // fill in calendar day offset .. if month starts on wed we need to
+            // pad the beginning sun, mon, tues
+            if let firstDate = mutableEntries.first?.forDate {
+                let weekday = Int16(Calendar.current.component(.weekday, from: firstDate))
+                for _ in 1..<weekday {
+                    mutableEntries.insert(PersistenceController.shared.generateObjectNotInArray(withMood: .placeholder), at: 0)
+                }
+            }
+        }
+        return mutableEntries
+    }
+}