PM-22456: Move Temporal Accessor Extensions to 'Core' module (#5324)

core/src/main/kotlin/com/bitwarden/core/data/util/TemporalAccessorExtensions.kt

@@ -0,0 +1,22 @@
+package com.bitwarden.core.data.util
+
+import java.time.Clock
+import java.time.ZoneId
+import java.time.format.DateTimeFormatter
+import java.time.temporal.TemporalAccessor
+
+/**
+ * Converts the [TemporalAccessor] to a formatted string based on the provided pattern and timezone.
+ */
+fun TemporalAccessor.toFormattedPattern(
+    pattern: String,
+    zone: ZoneId,
+): String = DateTimeFormatter.ofPattern(pattern).withZone(zone).format(this)
+
+/**
+ * Converts the [TemporalAccessor] to a formatted string based on the provided pattern and timezone.
+ */
+fun TemporalAccessor.toFormattedPattern(
+    pattern: String,
+    clock: Clock = Clock.systemDefaultZone(),
+): String = toFormattedPattern(pattern = pattern, zone = clock.zone)

core/src/test/kotlin/com/bitwarden/core/data/util/TemporalAccessorExtensionsTest.kt

@@ -0,0 +1,36 @@
+package com.bitwarden.core.data.util
+
+import org.junit.jupiter.api.Assertions.assertEquals
+import org.junit.jupiter.api.Test
+import java.time.Clock
+import java.time.Instant
+import java.time.ZoneId
+import java.time.ZoneOffset
+
+class TemporalAccessorExtensionsTest {
+
+    @Test
+    fun `toFormattedPattern should return correctly formatted string with timezone`() {
+        val instant = Instant.parse("2023-12-10T15:30:00Z")
+        val pattern = "MM/dd/yyyy hh:mm a"
+        val zone = ZoneId.of("UTC")
+        val expectedFormattedString = "12/10/2023 03:30 PM"
+        val formattedString = instant.toFormattedPattern(pattern, zone)
+
+        assertEquals(expectedFormattedString, formattedString)
+    }
+
+    @Test
+    fun `toFormattedPattern should return correctly formatted string with clock`() {
+        val instant = Instant.parse("2023-12-10T15:30:00Z")
+        val pattern = "MM/dd/yyyy hh:mm a"
+        val clock: Clock = Clock.fixed(
+            Instant.parse("2023-10-27T12:00:00Z"),
+            ZoneOffset.UTC,
+        )
+        val expectedFormattedString = "12/10/2023 03:30 PM"
+        val formattedString = instant.toFormattedPattern(pattern, clock)
+
+        assertEquals(expectedFormattedString, formattedString)
+    }
+}