Improve automatic checkmarks for monthly habits

Fixes #947

CHANGELOG.md

@@ -1,5 +1,9 @@
 # Changelog
 
+## [2.0.3] - [Unreleased]
+### Fixed
+- Improve automatic checkmarks for monthly habits (@iSoron, 947)
+
 ## [2.0.2] - 2021-05-23
 
 ### Changed

uhabits-android/build.gradle.kts

@@ -37,8 +37,8 @@ android {
     compileSdkVersion(30)
 
     defaultConfig {
-        versionCode(20002)
+        versionCode(20003)
-        versionName("2.0.2")
+        versionName("2.0.3")
         minSdkVersion(23)
         targetSdkVersion(30)
         applicationId("org.isoron.uhabits")

uhabits-android/src/main/java/org/isoron/uhabits/activities/common/dialogs/FrequencyPickerDialog.kt

@@ -160,26 +160,28 @@ class FrequencyPickerDialog(
 
     private fun populateViews() {
         uncheckAll()
-        if (freqNumerator == 1) {
+        if (freqDenominator == 30 || freqDenominator == 31) {
-            if (freqDenominator == 1) {
+            contentView.xTimesPerMonthRadioButton.isChecked = true
-                contentView.everyDayRadioButton.isChecked = true
+            contentView.xTimesPerMonthTextView.setText(freqNumerator.toString())
-            } else {
+            focus(contentView.xTimesPerMonthTextView)
-                contentView.everyXDaysRadioButton.isChecked = true
-                contentView.everyXDaysTextView.setText(freqDenominator.toString())
-                focus(contentView.everyXDaysTextView)
-            }
         } else {
-            if (freqDenominator == 7) {
+            if (freqNumerator == 1) {
-                contentView.xTimesPerWeekRadioButton.isChecked = true
+                if (freqDenominator == 1) {
-                contentView.xTimesPerWeekTextView.setText(freqNumerator.toString())
+                    contentView.everyDayRadioButton.isChecked = true
-                focus(contentView.xTimesPerWeekTextView)
+                } else {
-            } else if (freqDenominator == 30 || freqDenominator == 31) {
+                    contentView.everyXDaysRadioButton.isChecked = true
-                contentView.xTimesPerMonthRadioButton.isChecked = true
+                    contentView.everyXDaysTextView.setText(freqDenominator.toString())
-                contentView.xTimesPerMonthTextView.setText(freqNumerator.toString())
+                    focus(contentView.everyXDaysTextView)
-                focus(contentView.xTimesPerMonthTextView)
+                }
             } else {
-                Log.w("FrequencyPickerDialog", "Unknown frequency: $freqNumerator/$freqDenominator")
+                if (freqDenominator == 7) {
-                contentView.everyDayRadioButton.isChecked = true
+                    contentView.xTimesPerWeekRadioButton.isChecked = true
+                    contentView.xTimesPerWeekTextView.setText(freqNumerator.toString())
+                    focus(contentView.xTimesPerWeekTextView)
+                } else {
+                    Log.w("FrequencyPickerDialog", "Unknown frequency: $freqNumerator/$freqDenominator")
+                    contentView.everyDayRadioButton.isChecked = true
+                }
             }
         }
     }

uhabits-android/src/main/java/org/isoron/uhabits/activities/habits/edit/EditHabitActivity.kt

@@ -21,6 +21,7 @@ package org.isoron.uhabits.activities.habits.edit
 
 import android.annotation.SuppressLint
 import android.content.res.ColorStateList
+import android.content.res.Resources
 import android.graphics.Color
 import android.os.Bundle
 import android.text.Html
@@ -59,6 +60,16 @@ import org.isoron.uhabits.utils.formatTime
 import org.isoron.uhabits.utils.toFormattedString
 import org.isoron.uhabits.utils.toThemedAndroidColor
 
+fun formatFrequency(freqNum: Int, freqDen: Int, resources: Resources) = when {
+    freqNum == 1 && (freqDen == 30 || freqDen == 31) -> resources.getString(R.string.every_month)
+    freqDen == 30 || freqDen == 31 -> resources.getString(R.string.x_times_per_month, freqNum)
+    freqNum == 1 && freqDen == 1 -> resources.getString(R.string.every_day)
+    freqNum == 1 && freqDen == 7 -> resources.getString(R.string.every_week)
+    freqNum == 1 && freqDen > 1 -> resources.getString(R.string.every_x_days, freqDen)
+    freqDen == 7 -> resources.getString(R.string.x_times_per_week, freqNum)
+    else -> "$freqNum/$freqDen"
+}
+
 class EditHabitActivity : AppCompatActivity() {
 
     private lateinit var themeSwitcher: AndroidThemeSwitcher
@@ -299,14 +310,7 @@ class EditHabitActivity : AppCompatActivity() {
 
     @SuppressLint("StringFormatMatches")
     private fun populateFrequency() {
-        binding.booleanFrequencyPicker.text = when {
+        binding.booleanFrequencyPicker.text = formatFrequency(freqNum, freqDen, resources)
-            freqNum == 1 && freqDen == 1 -> getString(R.string.every_day)
-            freqNum == 1 && freqDen == 7 -> getString(R.string.every_week)
-            freqNum == 1 && freqDen > 1 -> getString(R.string.every_x_days, freqDen)
-            freqDen == 7 -> getString(R.string.x_times_per_week, freqNum)
-            freqDen == 30 || freqDen == 31 -> getString(R.string.x_times_per_month, freqNum)
-            else -> "$freqNum/$freqDen"
-        }
         binding.numericalFrequencyPicker.text = when (freqDen) {
             1 -> getString(R.string.every_day)
             7 -> getString(R.string.every_week)

uhabits-android/src/main/java/org/isoron/uhabits/activities/habits/show/views/SubtitleCardView.kt

@@ -20,14 +20,13 @@ package org.isoron.uhabits.activities.habits.show.views
 
 import android.annotation.SuppressLint
 import android.content.Context
-import android.content.res.Resources
 import android.util.AttributeSet
 import android.view.LayoutInflater
 import android.view.View
 import android.widget.LinearLayout
 import org.isoron.uhabits.R
+import org.isoron.uhabits.activities.habits.edit.formatFrequency
 import org.isoron.uhabits.activities.habits.list.views.toShortString
-import org.isoron.uhabits.core.models.Frequency
 import org.isoron.uhabits.core.ui.screens.habits.show.views.SubtitleCardState
 import org.isoron.uhabits.databinding.ShowHabitSubtitleBinding
 import org.isoron.uhabits.utils.InterfaceUtils
@@ -49,7 +48,11 @@ class SubtitleCardView(context: Context, attrs: AttributeSet) : LinearLayout(con
     fun setState(state: SubtitleCardState) {
         val color = state.color.toThemedAndroidColor(context)
         val reminder = state.reminder
-        binding.frequencyLabel.text = state.frequency.format(resources)
+        binding.frequencyLabel.text = formatFrequency(
+            state.frequency.numerator,
+            state.frequency.denominator,
+            resources,
+        )
         binding.questionLabel.setTextColor(color)
         binding.questionLabel.text = state.question
         binding.reminderLabel.text = if (reminder != null) {
@@ -72,32 +75,4 @@ class SubtitleCardView(context: Context, attrs: AttributeSet) : LinearLayout(con
 
         postInvalidate()
     }
-
-    @SuppressLint("StringFormatMatches")
-    private fun Frequency.format(resources: Resources): String {
-        val num = this.numerator
-        val den = this.denominator
-        if (num == den) {
-            return resources.getString(R.string.every_day)
-        }
-        if (den == 7) {
-            return resources.getString(R.string.x_times_per_week, num)
-        }
-        if (den == 30 || den == 31) {
-            return resources.getString(R.string.x_times_per_month, num)
-        }
-        if (num == 1) {
-            if (den == 7) {
-                return resources.getString(R.string.every_week)
-            }
-            if (den % 7 == 0) {
-                return resources.getString(R.string.every_x_weeks, den / 7)
-            }
-            if (den == 30 || den == 31) {
-                return resources.getString(R.string.every_month)
-            }
-            return resources.getString(R.string.every_x_days, den)
-        }
-        return "$num/$den"
-    }
 }

uhabits-core/src/commonMain/kotlin/org/isoron/platform/time/Dates.kt

@@ -72,6 +72,13 @@ data class LocalDate(val daysSince2000: Int) {
             return dayCache
         }
 
+    val monthLength: Int
+        get() = when (month) {
+            4, 6, 9, 11 -> 30
+            2 -> if (isLeapYear(year)) 29 else 28
+            else -> 31
+        }
+
     private fun updateYearMonthDayCache() {
         var currYear = 2000
         var currDay = 0

uhabits-core/src/jvmMain/java/org/isoron/uhabits/core/models/EntryList.kt

@@ -248,8 +248,17 @@ open class EntryList {
             for (i in num - 1 until filtered.size) {
                 val (begin, _) = filtered[i]
                 val (center, _) = filtered[i - num + 1]
-                if (begin.daysUntil(center) < den) {
+                var size = den
-                    val end = begin.plus(den - 1)
+                if (den == 30 || den == 31) {
+                    val beginDate = begin.toLocalDate()
+                    size = if (beginDate.day == beginDate.monthLength) {
+                        beginDate.plus(1).monthLength
+                    } else {
+                        beginDate.monthLength
+                    }
+                }
+                if (begin.daysUntil(center) < size) {
+                    val end = begin.plus(size - 1)
                     intervals.add(Interval(begin, center, end))
                 }
             }