From 6c91189547c8cd1cdbc85e674ef660b2ad3a094c Mon Sep 17 00:00:00 2001
From: Sasikanth Miriyampalli <hello@sasikanth.dev>
Date: Mon, 24 Oct 2022 12:17:40 +0530
Subject: [PATCH] Add support for 24 hour clock (#71)

---
 .../java/dev/sasikanth/pinnit/di/AppModule.kt |  1 +
 .../pinnit/di/DateTimeFormatterModule.kt      | 20 +++++++++++++++++--
 .../sasikanth/pinnit/editor/EditorScreen.kt   | 12 ++++++++++-
 3 files changed, 30 insertions(+), 3 deletions(-)

diff --git a/app/src/main/java/dev/sasikanth/pinnit/di/AppModule.kt b/app/src/main/java/dev/sasikanth/pinnit/di/AppModule.kt
index c0dcaebd..8545227b 100644
--- a/app/src/main/java/dev/sasikanth/pinnit/di/AppModule.kt
+++ b/app/src/main/java/dev/sasikanth/pinnit/di/AppModule.kt
@@ -1,6 +1,7 @@
 package dev.sasikanth.pinnit.di
 
 import android.content.Context
+import android.text.format.DateFormat
 import androidx.room.Room
 import com.spotify.mobius.android.runners.MainThreadWorkRunner
 import com.spotify.mobius.runners.WorkRunner
diff --git a/app/src/main/java/dev/sasikanth/pinnit/di/DateTimeFormatterModule.kt b/app/src/main/java/dev/sasikanth/pinnit/di/DateTimeFormatterModule.kt
index 8d31c6c2..a273065d 100644
--- a/app/src/main/java/dev/sasikanth/pinnit/di/DateTimeFormatterModule.kt
+++ b/app/src/main/java/dev/sasikanth/pinnit/di/DateTimeFormatterModule.kt
@@ -1,8 +1,11 @@
 package dev.sasikanth.pinnit.di
 
+import android.content.Context
+import android.text.format.DateFormat
 import dagger.Module
 import dagger.Provides
 import dagger.hilt.InstallIn
+import dagger.hilt.android.qualifiers.ApplicationContext
 import dagger.hilt.components.SingletonComponent
 import dev.sasikanth.pinnit.di.DateTimeFormat.Type.ScheduleDateFormat
 import dev.sasikanth.pinnit.di.DateTimeFormat.Type.ScheduleTimeFormat
@@ -21,7 +24,20 @@ object DateTimeFormatterModule {
 
   @Provides
   @DateTimeFormat(ScheduleTimeFormat)
-  fun providesScheduleTimeFormat(): DateTimeFormatter {
-    return DateTimeFormatter.ofPattern("h:mm a")
+  fun providesScheduleTimeFormat(
+    isClock24HourFormat: Boolean
+  ): DateTimeFormatter {
+    return if (isClock24HourFormat) {
+      DateTimeFormatter.ofPattern("HH:mm")
+    } else {
+      DateTimeFormatter.ofPattern("h:mm a")
+    }
+  }
+
+  @Provides
+  fun providesIsClock24HourFormat(
+    @ApplicationContext context: Context
+  ): Boolean {
+    return DateFormat.is24HourFormat(context)
   }
 }
diff --git a/app/src/main/java/dev/sasikanth/pinnit/editor/EditorScreen.kt b/app/src/main/java/dev/sasikanth/pinnit/editor/EditorScreen.kt
index 78690f13..b13648b9 100644
--- a/app/src/main/java/dev/sasikanth/pinnit/editor/EditorScreen.kt
+++ b/app/src/main/java/dev/sasikanth/pinnit/editor/EditorScreen.kt
@@ -2,6 +2,7 @@ package dev.sasikanth.pinnit.editor
 
 import android.content.Context
 import android.os.Bundle
+import android.text.format.DateFormat
 import android.text.util.Linkify
 import android.view.LayoutInflater
 import android.view.View
@@ -71,6 +72,9 @@ class EditorScreen : Fragment(), EditorScreenUi {
   @DateTimeFormat(ScheduleTimeFormat)
   lateinit var scheduleTimeFormatter: DateTimeFormatter
 
+  @set:Inject
+  var isClock24HourFormat: Boolean = false
+
   private val viewModel: EditorScreenViewModel by viewModels()
 
   private val args by navArgs<EditorScreenArgs>()
@@ -444,8 +448,14 @@ class EditorScreen : Fragment(), EditorScreenUi {
   }
 
   private fun showTimePickerDialog(time: LocalTime) {
+    val timeFormat = if (isClock24HourFormat) {
+      TimeFormat.CLOCK_24H
+    } else {
+      TimeFormat.CLOCK_12H
+    }
+
     val timePicker = MaterialTimePicker.Builder()
-      .setTimeFormat(TimeFormat.CLOCK_12H)
+      .setTimeFormat(timeFormat)
       .setHour(time.hour)
       .setMinute(time.minute)
       .build()