Added Support For Large Number Formatting(Million, Billion) in Format…

…MoneyUseCase
Ivy-Apps · Oct 20, 2024 · a0ff1a8 · a0ff1a8
1 parent 70eb664
commit a0ff1a8
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Showing 2 changed files with 44 additions and 4 deletions.
diff --git a/shared/ui/core/src/main/java/com/ivy/ui/FormatMoneyUseCase.kt b/shared/ui/core/src/main/java/com/ivy/ui/FormatMoneyUseCase.kt
@@ -8,6 +8,9 @@ import java.text.DecimalFormat
 import java.text.DecimalFormatSymbols
 import javax.inject.Inject
 
+const val MILLION = 1_000_000
+const val BILLION = 1_000_000_000
+
 class FormatMoneyUseCase @Inject constructor(
     private val features: Features,
     private val devicePreferences: DevicePreferences,
@@ -19,11 +22,24 @@ class FormatMoneyUseCase @Inject constructor(
     private val withDecimalFormatter = DecimalFormat("###,###.00", DecimalFormatSymbols(locale))
 
     suspend fun format(value: Double): String {
-        val showDecimalPoint = features.showDecimalNumber.isEnabled(context)
+        when (value >= MILLION) {
+            true -> {
+                val result = if (value >= BILLION) {
+                    String.format(locale, "%.2fB", value / BILLION)
+                } else {
+                    String.format(locale, "%.2fM", value / MILLION)
+                }
+                return result
+            }
+
+            else -> {
+                val showDecimalPoint = features.showDecimalNumber.isEnabled(context)
 
-        return when (showDecimalPoint) {
-            true -> withDecimalFormatter.format(value)
-            false -> withoutDecimalFormatter.format(value)
+                return when (showDecimalPoint) {
+                    true -> withDecimalFormatter.format(value)
+                    false -> withoutDecimalFormatter.format(value)
+                }
+            }
         }
     }
 }
diff --git a/shared/ui/core/src/test/java/com/ivy/ui/FormatMoneyUseCaseTest.kt b/shared/ui/core/src/test/java/com/ivy/ui/FormatMoneyUseCaseTest.kt
@@ -50,6 +50,30 @@ class FormatMoneyUseCaseTest {
             locale = Locale.GERMAN,
             expectedOutput = "1.000"
         ),
+        ENGLISH_MILLION(
+            amount = 1230000.10,
+            showDecimal = true,
+            locale = Locale.ENGLISH,
+            expectedOutput = "1.23M"
+        ),
+        ENGLISH_BILLION(
+            amount = 1233000000.10,
+            showDecimal = true,
+            locale = Locale.ENGLISH,
+            expectedOutput = "1.23B"
+        ),
+        GERMAN_MILLION(
+            amount = 1230000.10,
+            showDecimal = true,
+            locale = Locale.GERMAN,
+            expectedOutput = "1,23M"
+        ),
+        GERMAN_BILLION(
+            amount = 1233000000.10,
+            showDecimal = true,
+            locale = Locale.GERMAN,
+            expectedOutput = "1,23B"
+        ),
     }
 
     private lateinit var formatMoneyUseCase: FormatMoneyUseCase