ShowHabitActivity: Move presenters and view models to uhabits-core

2025-12-06 09:08:52 -06:00 · 2020-12-31 00:10:29 -06:00
parent 1cdbc53dc5
commit 13826f4934
35 changed files with 754 additions and 511 deletions
--- a/android/uhabits-core/src/main/java/org/isoron/uhabits/core/ui/screens/habits/show/ShowHabit.kt
+++ b/android/uhabits-core/src/main/java/org/isoron/uhabits/core/ui/screens/habits/show/ShowHabit.kt
@@ -0,0 +1,106 @@
+/*
+ * Copyright (C) 2016-2020 Álinson Santos Xavier <isoron@gmail.com>
+ *
+ * This file is part of Loop Habit Tracker.
+ *
+ * Loop Habit Tracker is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by the
+ * Free Software Foundation, either version 3 of the License, or (at your
+ * option) any later version.
+ *
+ * Loop Habit Tracker is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package org.isoron.uhabits.core.ui.screens.habits.show
+
+import org.isoron.uhabits.core.models.Habit
+import org.isoron.uhabits.core.models.PaletteColor
+import org.isoron.uhabits.core.preferences.Preferences
+import org.isoron.uhabits.core.ui.screens.habits.show.views.BarCardPresenter
+import org.isoron.uhabits.core.ui.screens.habits.show.views.BarCardViewModel
+import org.isoron.uhabits.core.ui.screens.habits.show.views.FrequencyCardPresenter
+import org.isoron.uhabits.core.ui.screens.habits.show.views.FrequencyCardViewModel
+import org.isoron.uhabits.core.ui.screens.habits.show.views.HistoryCardPresenter
+import org.isoron.uhabits.core.ui.screens.habits.show.views.HistoryCardViewModel
+import org.isoron.uhabits.core.ui.screens.habits.show.views.NotesCardPresenter
+import org.isoron.uhabits.core.ui.screens.habits.show.views.NotesCardViewModel
+import org.isoron.uhabits.core.ui.screens.habits.show.views.OverviewCardPresenter
+import org.isoron.uhabits.core.ui.screens.habits.show.views.OverviewCardViewModel
+import org.isoron.uhabits.core.ui.screens.habits.show.views.ScoreCardPresenter
+import org.isoron.uhabits.core.ui.screens.habits.show.views.ScoreCardViewModel
+import org.isoron.uhabits.core.ui.screens.habits.show.views.StreakCardViewModel
+import org.isoron.uhabits.core.ui.screens.habits.show.views.StreakCartPresenter
+import org.isoron.uhabits.core.ui.screens.habits.show.views.SubtitleCardPresenter
+import org.isoron.uhabits.core.ui.screens.habits.show.views.SubtitleCardViewModel
+import org.isoron.uhabits.core.ui.screens.habits.show.views.TargetCardPresenter
+import org.isoron.uhabits.core.ui.screens.habits.show.views.TargetCardViewModel
+
+data class ShowHabitViewModel(
+    val title: String = "",
+    val isNumerical: Boolean = false,
+    val color: PaletteColor = PaletteColor(1),
+    val subtitle: SubtitleCardViewModel,
+    val overview: OverviewCardViewModel,
+    val notes: NotesCardViewModel,
+    val target: TargetCardViewModel,
+    val streaks: StreakCardViewModel,
+    val scores: ScoreCardViewModel,
+    val frequency: FrequencyCardViewModel,
+    val history: HistoryCardViewModel,
+    val bar: BarCardViewModel,
+)
+
+class ShowHabitPresenter {
+    fun present(
+        habit: Habit,
+        preferences: Preferences,
+    ): ShowHabitViewModel {
+        return ShowHabitViewModel(
+            title = habit.name,
+            color = habit.color,
+            isNumerical = habit.isNumerical,
+            subtitle = SubtitleCardPresenter().present(
+                habit = habit,
+            ),
+            overview = OverviewCardPresenter().present(
+                habit = habit,
+            ),
+            notes = NotesCardPresenter().present(
+                habit = habit,
+            ),
+            target = TargetCardPresenter().present(
+                habit = habit,
+                firstWeekday = preferences.firstWeekday,
+            ),
+            streaks = StreakCartPresenter().present(
+                habit = habit,
+            ),
+            scores = ScoreCardPresenter().present(
+                spinnerPosition = preferences.scoreCardSpinnerPosition,
+                habit = habit,
+                firstWeekday = preferences.firstWeekday,
+            ),
+            frequency = FrequencyCardPresenter().present(
+                habit = habit,
+                firstWeekday = preferences.firstWeekday,
+            ),
+            history = HistoryCardPresenter().present(
+                habit = habit,
+                firstWeekday = preferences.firstWeekday,
+                isSkipEnabled = preferences.isSkipEnabled,
+            ),
+            bar = BarCardPresenter().present(
+                habit = habit,
+                firstWeekday = preferences.firstWeekday,
+                boolSpinnerPosition = preferences.barCardBoolSpinnerPosition,
+                numericalSpinnerPosition = preferences.barCardNumericalSpinnerPosition,
+            ),
+        )
+    }
+}
--- a/android/uhabits-core/src/main/java/org/isoron/uhabits/core/ui/screens/habits/show/views/BarCard.kt
+++ b/android/uhabits-core/src/main/java/org/isoron/uhabits/core/ui/screens/habits/show/views/BarCard.kt
@@ -0,0 +1,68 @@
+/*
+ * Copyright (C) 2016-2020 Álinson Santos Xavier <isoron@gmail.com>
+ *
+ * This file is part of Loop Habit Tracker.
+ *
+ * Loop Habit Tracker is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by the
+ * Free Software Foundation, either version 3 of the License, or (at your
+ * option) any later version.
+ *
+ * Loop Habit Tracker is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package org.isoron.uhabits.core.ui.screens.habits.show.views
+
+import org.isoron.uhabits.core.models.Entry
+import org.isoron.uhabits.core.models.Habit
+import org.isoron.uhabits.core.models.PaletteColor
+import org.isoron.uhabits.core.models.groupedSum
+import org.isoron.uhabits.core.utils.DateUtils
+
+data class BarCardViewModel(
+    val boolSpinnerPosition: Int,
+    val bucketSize: Int,
+    val color: PaletteColor,
+    val entries: List<Entry>,
+    val isNumerical: Boolean,
+    val numericalSpinnerPosition: Int,
+)
+
+class BarCardPresenter {
+    val numericalBucketSizes = intArrayOf(1, 7, 31, 92, 365)
+    val boolBucketSizes = intArrayOf(7, 31, 92, 365)
+
+    fun present(
+        habit: Habit,
+        firstWeekday: Int,
+        numericalSpinnerPosition: Int,
+        boolSpinnerPosition: Int,
+    ): BarCardViewModel {
+        val bucketSize = if (habit.isNumerical) {
+            numericalBucketSizes[numericalSpinnerPosition]
+        } else {
+            boolBucketSizes[boolSpinnerPosition]
+        }
+        val today = DateUtils.getToday()
+        val oldest = habit.computedEntries.getKnown().lastOrNull()?.timestamp ?: today
+        val entries = habit.computedEntries.getByInterval(oldest, today).groupedSum(
+            truncateField = ScoreCardPresenter.getTruncateField(bucketSize),
+            firstWeekday = firstWeekday,
+            isNumerical = habit.isNumerical,
+        )
+        return BarCardViewModel(
+            entries = entries,
+            bucketSize = bucketSize,
+            color = habit.color,
+            isNumerical = habit.isNumerical,
+            numericalSpinnerPosition = numericalSpinnerPosition,
+            boolSpinnerPosition = boolSpinnerPosition,
+        )
+    }
+}
--- a/android/uhabits-core/src/main/java/org/isoron/uhabits/core/ui/screens/habits/show/views/FrequencyCard.kt
+++ b/android/uhabits-core/src/main/java/org/isoron/uhabits/core/ui/screens/habits/show/views/FrequencyCard.kt
@@ -0,0 +1,44 @@
+/*
+ * Copyright (C) 2016-2020 Álinson Santos Xavier <isoron@gmail.com>
+ *
+ * This file is part of Loop Habit Tracker.
+ *
+ * Loop Habit Tracker is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by the
+ * Free Software Foundation, either version 3 of the License, or (at your
+ * option) any later version.
+ *
+ * Loop Habit Tracker is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package org.isoron.uhabits.core.ui.screens.habits.show.views
+
+import org.isoron.uhabits.core.models.Habit
+import org.isoron.uhabits.core.models.PaletteColor
+import org.isoron.uhabits.core.models.Timestamp
+import java.util.HashMap
+
+data class FrequencyCardViewModel(
+    val color: PaletteColor,
+    val firstWeekday: Int,
+    val frequency: HashMap<Timestamp, Array<Int>>,
+)
+
+class FrequencyCardPresenter {
+    fun present(
+        habit: Habit,
+        firstWeekday: Int,
+    ) = FrequencyCardViewModel(
+        color = habit.color,
+        frequency = habit.originalEntries.computeWeekdayFrequency(
+            isNumerical = habit.isNumerical
+        ),
+        firstWeekday = firstWeekday,
+    )
+}
--- a/android/uhabits-core/src/main/java/org/isoron/uhabits/core/ui/screens/habits/show/views/HistoryCard.kt
+++ b/android/uhabits-core/src/main/java/org/isoron/uhabits/core/ui/screens/habits/show/views/HistoryCard.kt
@@ -0,0 +1,53 @@
+/*
+ * Copyright (C) 2016-2020 Álinson Santos Xavier <isoron@gmail.com>
+ *
+ * This file is part of Loop Habit Tracker.
+ *
+ * Loop Habit Tracker is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by the
+ * Free Software Foundation, either version 3 of the License, or (at your
+ * option) any later version.
+ *
+ * Loop Habit Tracker is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package org.isoron.uhabits.core.ui.screens.habits.show.views
+
+import org.isoron.uhabits.core.models.Habit
+import org.isoron.uhabits.core.models.PaletteColor
+import org.isoron.uhabits.core.utils.DateUtils
+
+data class HistoryCardViewModel(
+    val color: PaletteColor,
+    val entries: IntArray,
+    val firstWeekday: Int,
+    val isNumerical: Boolean,
+    val isSkipEnabled: Boolean,
+)
+
+class HistoryCardPresenter {
+    fun present(
+        habit: Habit,
+        firstWeekday: Int,
+        isSkipEnabled: Boolean,
+    ): HistoryCardViewModel {
+        val today = DateUtils.getTodayWithOffset()
+        val oldest = habit.computedEntries.getKnown().lastOrNull()?.timestamp ?: today
+        val entries =
+            habit.computedEntries.getByInterval(oldest, today).map { it.value }.toIntArray()
+
+        return HistoryCardViewModel(
+            entries = entries,
+            color = habit.color,
+            firstWeekday = firstWeekday,
+            isNumerical = habit.isNumerical,
+            isSkipEnabled = isSkipEnabled,
+        )
+    }
+}
--- a/android/uhabits-core/src/main/java/org/isoron/uhabits/core/ui/screens/habits/show/views/NotesCard.kt
+++ b/android/uhabits-core/src/main/java/org/isoron/uhabits/core/ui/screens/habits/show/views/NotesCard.kt
@@ -0,0 +1,32 @@
+/*
+ * Copyright (C) 2016-2020 Álinson Santos Xavier <isoron@gmail.com>
+ *
+ * This file is part of Loop Habit Tracker.
+ *
+ * Loop Habit Tracker is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by the
+ * Free Software Foundation, either version 3 of the License, or (at your
+ * option) any later version.
+ *
+ * Loop Habit Tracker is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package org.isoron.uhabits.core.ui.screens.habits.show.views
+
+import org.isoron.uhabits.core.models.Habit
+
+data class NotesCardViewModel(
+    val description: String,
+)
+
+class NotesCardPresenter {
+    fun present(habit: Habit) = NotesCardViewModel(
+        description = habit.description,
+    )
+}
--- a/android/uhabits-core/src/main/java/org/isoron/uhabits/core/ui/screens/habits/show/views/OverviewCard.kt
+++ b/android/uhabits-core/src/main/java/org/isoron/uhabits/core/ui/screens/habits/show/views/OverviewCard.kt
@@ -0,0 +1,56 @@
+/*
+ * Copyright (C) 2016-2020 Álinson Santos Xavier <isoron@gmail.com>
+ *
+ * This file is part of Loop Habit Tracker.
+ *
+ * Loop Habit Tracker is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by the
+ * Free Software Foundation, either version 3 of the License, or (at your
+ * option) any later version.
+ *
+ * Loop Habit Tracker is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package org.isoron.uhabits.core.ui.screens.habits.show.views
+
+import org.isoron.uhabits.core.models.Entry
+import org.isoron.uhabits.core.models.Habit
+import org.isoron.uhabits.core.models.PaletteColor
+import org.isoron.uhabits.core.utils.DateUtils
+
+data class OverviewCardViewModel(
+    val color: PaletteColor,
+    val scoreMonthDiff: Float,
+    val scoreYearDiff: Float,
+    val scoreToday: Float,
+    val totalCount: Long,
+)
+
+class OverviewCardPresenter {
+    fun present(habit: Habit): OverviewCardViewModel {
+        val today = DateUtils.getTodayWithOffset()
+        val lastMonth = today.minus(30)
+        val lastYear = today.minus(365)
+        val scores = habit.scores
+        val scoreToday = scores.get(today).value.toFloat()
+        val scoreLastMonth = scores.get(lastMonth).value.toFloat()
+        val scoreLastYear = scores.get(lastYear).value.toFloat()
+        val totalCount = habit.originalEntries.getKnown()
+            .filter { it.value == Entry.YES_MANUAL }
+            .count()
+            .toLong()
+        return OverviewCardViewModel(
+            color = habit.color,
+            scoreToday = scoreToday,
+            scoreMonthDiff = scoreToday - scoreLastMonth,
+            scoreYearDiff = scoreToday - scoreLastYear,
+            totalCount = totalCount,
+        )
+    }
+}
--- a/android/uhabits-core/src/main/java/org/isoron/uhabits/core/ui/screens/habits/show/views/ScoreCard.kt
+++ b/android/uhabits-core/src/main/java/org/isoron/uhabits/core/ui/screens/habits/show/views/ScoreCard.kt
@@ -0,0 +1,79 @@
+/*
+ * Copyright (C) 2016-2020 Álinson Santos Xavier <isoron@gmail.com>
+ *
+ * This file is part of Loop Habit Tracker.
+ *
+ * Loop Habit Tracker is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by the
+ * Free Software Foundation, either version 3 of the License, or (at your
+ * option) any later version.
+ *
+ * Loop Habit Tracker is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package org.isoron.uhabits.core.ui.screens.habits.show.views
+
+import org.isoron.uhabits.core.models.Habit
+import org.isoron.uhabits.core.models.PaletteColor
+import org.isoron.uhabits.core.models.Score
+import org.isoron.uhabits.core.utils.DateUtils
+
+data class ScoreCardViewModel(
+    val scores: List<Score>,
+    val bucketSize: Int,
+    val spinnerPosition: Int,
+    val color: PaletteColor,
+)
+
+class ScoreCardPresenter {
+    companion object {
+        val BUCKET_SIZES = intArrayOf(1, 7, 31, 92, 365)
+        fun getTruncateField(bucketSize: Int): DateUtils.TruncateField {
+            when (bucketSize) {
+                1 -> return DateUtils.TruncateField.DAY
+                7 -> return DateUtils.TruncateField.WEEK_NUMBER
+                31 -> return DateUtils.TruncateField.MONTH
+                92 -> return DateUtils.TruncateField.QUARTER
+                365 -> return DateUtils.TruncateField.YEAR
+                else -> return DateUtils.TruncateField.MONTH
+            }
+        }
+    }
+
+    fun present(
+        habit: Habit,
+        firstWeekday: Int,
+        spinnerPosition: Int,
+    ): ScoreCardViewModel {
+        val bucketSize = BUCKET_SIZES[spinnerPosition]
+        val today = DateUtils.getTodayWithOffset()
+        val oldest = habit.computedEntries.getKnown().lastOrNull()?.timestamp ?: today
+
+        val field = getTruncateField(bucketSize)
+        val scores = habit.scores.getByInterval(oldest, today).groupBy {
+            DateUtils.truncate(field, it.timestamp, firstWeekday)
+        }.map { (timestamp, scores) ->
+            Score(
+                timestamp,
+                scores.map {
+                    it.value
+                }.average()
+            )
+        }.sortedBy {
+            it.timestamp
+        }.reversed()
+
+        return ScoreCardViewModel(
+            color = habit.color,
+            scores = scores,
+            bucketSize = bucketSize,
+            spinnerPosition = spinnerPosition,
+        )
+    }
+}
--- a/android/uhabits-core/src/main/java/org/isoron/uhabits/core/ui/screens/habits/show/views/StreakCart.kt
+++ b/android/uhabits-core/src/main/java/org/isoron/uhabits/core/ui/screens/habits/show/views/StreakCart.kt
@@ -0,0 +1,38 @@
+/*
+ * Copyright (C) 2016-2020 Álinson Santos Xavier <isoron@gmail.com>
+ *
+ * This file is part of Loop Habit Tracker.
+ *
+ * Loop Habit Tracker is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by the
+ * Free Software Foundation, either version 3 of the License, or (at your
+ * option) any later version.
+ *
+ * Loop Habit Tracker is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package org.isoron.uhabits.core.ui.screens.habits.show.views
+
+import org.isoron.uhabits.core.models.Habit
+import org.isoron.uhabits.core.models.PaletteColor
+import org.isoron.uhabits.core.models.Streak
+
+data class StreakCardViewModel(
+    val color: PaletteColor,
+    val bestStreaks: List<Streak>
+)
+
+class StreakCartPresenter {
+    fun present(habit: Habit): StreakCardViewModel {
+        return StreakCardViewModel(
+            color = habit.color,
+            bestStreaks = habit.streaks.getBest(10),
+        )
+    }
+}
--- a/android/uhabits-core/src/main/java/org/isoron/uhabits/core/ui/screens/habits/show/views/SubtitleCard.kt
+++ b/android/uhabits-core/src/main/java/org/isoron/uhabits/core/ui/screens/habits/show/views/SubtitleCard.kt
@@ -0,0 +1,49 @@
+/*
+ * Copyright (C) 2016-2020 Álinson Santos Xavier <isoron@gmail.com>
+ *
+ * This file is part of Loop Habit Tracker.
+ *
+ * Loop Habit Tracker is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by the
+ * Free Software Foundation, either version 3 of the License, or (at your
+ * option) any later version.
+ *
+ * Loop Habit Tracker is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package org.isoron.uhabits.core.ui.screens.habits.show.views
+
+import org.isoron.uhabits.core.models.Frequency
+import org.isoron.uhabits.core.models.Habit
+import org.isoron.uhabits.core.models.PaletteColor
+import org.isoron.uhabits.core.models.Reminder
+
+data class SubtitleCardViewModel(
+    val color: PaletteColor,
+    val frequency: Frequency,
+    val isNumerical: Boolean,
+    val question: String,
+    val reminder: Reminder?,
+    val targetValue: Double,
+    val unit: String,
+)
+
+class SubtitleCardPresenter {
+    fun present(
+        habit: Habit,
+    ): SubtitleCardViewModel = SubtitleCardViewModel(
+        color = habit.color,
+        frequency = habit.frequency,
+        isNumerical = habit.isNumerical,
+        question = habit.question,
+        reminder = habit.reminder,
+        targetValue = habit.targetValue,
+        unit = habit.unit,
+    )
+}
--- a/android/uhabits-core/src/main/java/org/isoron/uhabits/core/ui/screens/habits/show/views/TargetCard.kt
+++ b/android/uhabits-core/src/main/java/org/isoron/uhabits/core/ui/screens/habits/show/views/TargetCard.kt
@@ -0,0 +1,110 @@
+/*
+ * Copyright (C) 2016-2020 Álinson Santos Xavier <isoron@gmail.com>
+ *
+ * This file is part of Loop Habit Tracker.
+ *
+ * Loop Habit Tracker is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by the
+ * Free Software Foundation, either version 3 of the License, or (at your
+ * option) any later version.
+ *
+ * Loop Habit Tracker is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package org.isoron.uhabits.core.ui.screens.habits.show.views
+
+import org.isoron.uhabits.core.models.Habit
+import org.isoron.uhabits.core.models.PaletteColor
+import org.isoron.uhabits.core.models.groupedSum
+import org.isoron.uhabits.core.utils.DateUtils
+import java.util.ArrayList
+import java.util.Calendar
+
+data class TargetCardViewModel(
+    val color: PaletteColor,
+    val values: List<Double> = listOf(),
+    val targets: List<Double> = listOf(),
+    val intervals: List<Int> = listOf(),
+)
+
+class TargetCardPresenter {
+    fun present(
+        habit: Habit,
+        firstWeekday: Int,
+    ): TargetCardViewModel {
+        val today = DateUtils.getTodayWithOffset()
+        val oldest = habit.computedEntries.getKnown().lastOrNull()?.timestamp ?: today
+        val entries = habit.computedEntries.getByInterval(oldest, today)
+
+        val valueToday = entries.groupedSum(
+            truncateField = DateUtils.TruncateField.DAY,
+            isNumerical = habit.isNumerical
+        ).firstOrNull()?.value ?: 0
+
+        val valueThisWeek = entries.groupedSum(
+            truncateField = DateUtils.TruncateField.WEEK_NUMBER,
+            firstWeekday = firstWeekday,
+            isNumerical = habit.isNumerical
+        ).firstOrNull()?.value ?: 0
+
+        val valueThisMonth = entries.groupedSum(
+            truncateField = DateUtils.TruncateField.MONTH,
+            isNumerical = habit.isNumerical
+        ).firstOrNull()?.value ?: 0
+
+        val valueThisQuarter = entries.groupedSum(
+            truncateField = DateUtils.TruncateField.QUARTER,
+            isNumerical = habit.isNumerical
+        ).firstOrNull()?.value ?: 0
+
+        val valueThisYear = entries.groupedSum(
+            truncateField = DateUtils.TruncateField.YEAR,
+            isNumerical = habit.isNumerical
+        ).firstOrNull()?.value ?: 0
+
+        val cal = DateUtils.getStartOfTodayCalendarWithOffset()
+        val daysInMonth = cal.getActualMaximum(Calendar.DAY_OF_MONTH)
+        val daysInQuarter = 91
+        val daysInYear = cal.getActualMaximum(Calendar.DAY_OF_YEAR)
+
+        val targetToday = habit.targetValue / habit.frequency.denominator
+        val targetThisWeek = targetToday * 7
+        val targetThisMonth = targetToday * daysInMonth
+        val targetThisQuarter = targetToday * daysInQuarter
+        val targetThisYear = targetToday * daysInYear
+
+        val values = ArrayList<Double>()
+        if (habit.frequency.denominator <= 1) values.add(valueToday / 1e3)
+        if (habit.frequency.denominator <= 7) values.add(valueThisWeek / 1e3)
+        values.add(valueThisMonth / 1e3)
+        values.add(valueThisQuarter / 1e3)
+        values.add(valueThisYear / 1e3)
+
+        val targets = ArrayList<Double>()
+        if (habit.frequency.denominator <= 1) targets.add(targetToday)
+        if (habit.frequency.denominator <= 7) targets.add(targetThisWeek)
+        targets.add(targetThisMonth)
+        targets.add(targetThisQuarter)
+        targets.add(targetThisYear)
+
+        val intervals = ArrayList<Int>()
+        if (habit.frequency.denominator <= 1) intervals.add(1)
+        if (habit.frequency.denominator <= 7) intervals.add(7)
+        intervals.add(30)
+        intervals.add(91)
+        intervals.add(365)
+
+        return TargetCardViewModel(
+            color = habit.color,
+            values = values,
+            targets = targets,
+            intervals = intervals,
+        )
+    }
+}