Feat/#12 home 구현

Near/app/build.gradle.kts

@@ -13,7 +13,7 @@ android {
 
     defaultConfig {
         applicationId = "com.alarmy.near"
-        minSdk = 24
+        minSdk = 27
         targetSdk = 35
         versionCode = 1
         versionName = "1.0"

Near/app/src/main/java/com/alarmy/near/model/ContactFrequency.kt

@@ -0,0 +1,7 @@
+package com.alarmy.near.model
+
+enum class ContactFrequency {
+    LOW,
+    MIDDLE,
+    HIGH,
+}

Near/app/src/main/java/com/alarmy/near/model/ContactSummary.kt

@@ -0,0 +1,22 @@
+package com.alarmy.near.model
+
+import androidx.compose.runtime.Immutable
+import java.time.LocalDate
+import java.time.format.DateTimeFormatter
+
+@Immutable
+data class ContactSummary(
+    val id: String,
+    val name: String,
+    val profileImageUrl: String,
+    val lastContactedAt: LocalDate,
+    val isContacted: Boolean,
+    val contactFrequency: ContactFrequency,
+) {
+    val formattedDate: String
+        get() = lastContactedAt.format(formatter)
+
+    companion object {
+        private val formatter = DateTimeFormatter.ofPattern("MMM d, yyyy")
+    }
+}

Near/app/src/main/java/com/alarmy/near/model/MonthlyContact.kt

@@ -0,0 +1,32 @@
+package com.alarmy.near.model
+
+import java.time.LocalDate
+import java.time.format.DateTimeFormatter
+import java.time.temporal.ChronoUnit
+
+data class MonthlyContact(
+    val friendId: String,
+    val name: String,
+    val type: String,
+    val nextContactAt: String,
+) {
+    fun daysUntilNextContact(today: LocalDate): String {
+        val daysBetween = getDaysBetween(today)
+        return when {
+            daysBetween == 0L -> "D-day"
+            daysBetween > 0L -> "D-$daysBetween"
+            else -> "D+${-daysBetween}" // 과거 날짜
+        }
+    }
+
+    fun isNextContactDay(today: LocalDate): Boolean = getDaysBetween(today) == 0L
+
+    private fun getDaysBetween(today: LocalDate): Long {
+        val targetDate = LocalDate.parse(nextContactAt, formatter)
+        return ChronoUnit.DAYS.between(today, targetDate)
+    }
+
+    companion object {
+        private val formatter = DateTimeFormatter.ofPattern("yyyy-MM-dd")
+    }
+}