From d9486b1e0679f446d5aa2006be4598443696cb8c Mon Sep 17 00:00:00 2001
From: Febon <32780971+Febon@users.noreply.github.com>
Date: Wed, 20 May 2020 21:56:54 +0300
Subject: [PATCH] Added Habit reset Class

Immplemented a class that erases the repetitions of a habit "clearing its history"
---
 .../src/main/res/xml/preferences.xml          |  1 +
 .../core/commands/ResetHabitsCommand.java     | 45 +++++++++++++++++++
 2 files changed, 46 insertions(+)
 create mode 100644 android/uhabits-core/src/main/java/org/isoron/uhabits/core/commands/ResetHabitsCommand.java

diff --git a/android/uhabits-android/src/main/res/xml/preferences.xml b/android/uhabits-android/src/main/res/xml/preferences.xml
index 7688dcee9..2cef2f84d 100644
--- a/android/uhabits-android/src/main/res/xml/preferences.xml
+++ b/android/uhabits-android/src/main/res/xml/preferences.xml
@@ -127,6 +127,7 @@
 
         <Preference
             android:key="resetHabits"
+            android:summary="Reset the history of all habits"
             android:title="Reset Habits"
             app:iconSpaceReserved="false" />
 
diff --git a/android/uhabits-core/src/main/java/org/isoron/uhabits/core/commands/ResetHabitsCommand.java b/android/uhabits-core/src/main/java/org/isoron/uhabits/core/commands/ResetHabitsCommand.java
new file mode 100644
index 000000000..cf070c67b
--- /dev/null
+++ b/android/uhabits-core/src/main/java/org/isoron/uhabits/core/commands/ResetHabitsCommand.java
@@ -0,0 +1,45 @@
+package org.isoron.uhabits.core.commands;
+
+import androidx.annotation.NonNull;
+
+import org.isoron.uhabits.core.models.Habit;
+import org.isoron.uhabits.core.models.HabitList;
+import org.isoron.uhabits.core.models.RepetitionList;
+
+import java.util.Collections;
+import java.util.LinkedList;
+import java.util.List;
+
+public class ResetHabitsCommand extends Command
+{
+    @NonNull
+    final HabitList habitList;
+
+    @NonNull
+    final List<Habit> selected;
+
+    public ResetHabitsCommand(@NonNull HabitList habitList, @NonNull List<Habit> selected) {
+        this.habitList = habitList;
+        this.selected = new LinkedList<>(selected);
+    }
+
+    @Override
+    public void execute()
+    {
+        for (Habit h : selected) {
+            RepetitionList repetitionList = h.getRepetitions();
+            repetitionList.removeAll();
+        }
+    }
+    public List<Habit> getSelected()
+    {
+        return Collections.unmodifiableList(selected);
+    }
+
+    @NonNull
+    @Override
+    public Object toRecord() { return null;}
+
+    @Override
+    public void undo() { throw new UnsupportedOperationException();}
+}