feat: steam achievement viewer

app/src/main/java/app/gamenative/data/DownloadDisplayDetails.kt

@@ -0,0 +1,10 @@
+package app.gamenative.ui.data
+
+data class DownloadDisplayDetails (
+    val isInstalled: Boolean,
+    val isValidToDownload: Boolean,
+    val isDownloading: Boolean,
+    val hasPartialDownload: Boolean,
+    val downloadProgress: Float,
+    val isUpdatePending: Boolean
+)

app/src/main/java/app/gamenative/service/SteamService.kt

@@ -174,6 +174,7 @@ import com.winlator.container.ContainerManager
 import app.gamenative.statsgen.StatType
 import app.gamenative.statsgen.StatsAchievementsGenerator
 import app.gamenative.statsgen.VdfParser
+import app.gamenative.ui.data.Achievement
 import app.gamenative.utils.DownloadSpeedConfig
 import app.gamenative.utils.CustomGameScanner
 import java.nio.ByteBuffer
@@ -3068,6 +3069,31 @@ class SteamService : Service(), IChallengeUrlChanged {
             }
         }
 
+        // Fetches achievements for a Steam app for display in the game details page.
+        suspend fun fetchAchievementsForDisplay(appId: Int): List<Achievement>? {
+            if (!isConnected) return null
+            return try {
+                val steamUser = instance?._steamUser ?: return null
+                val userStats = instance?._steamUserStats?.getUserStats(appId, steamUser.steamID!!)?.await() ?: return null
+                val baseIconUrl = SteamUtils.getBaseAchievementIconUrl(appId)
+                userStats.getExpandedAchievements().map { block ->
+                    Achievement(
+                        displayName = block.displayName ?: block.name ?: "",
+                        name = block.name,
+                        isUnlocked = block.isUnlocked,
+                        description = block.description ?: "",
+                        unlockTimestamp = block.unlockTimestamp,
+                        hidden = block.hidden,
+                        icon = if (!block.icon.isNullOrEmpty()) "$baseIconUrl${block.icon}" else "",
+                        iconGray = if (!block.iconGray.isNullOrEmpty()) "$baseIconUrl${block.iconGray}" else null,
+                    )
+                }
+            } catch (e: Exception) {
+                Timber.e(e, "fetchAchievementsForDisplay failed for appId=$appId")
+                null
+            }
+        }
+
         suspend fun generateAchievements(appId: Int, configDirectory: String) {
             val steamUser = instance!!._steamUser!!
             val userStats = instance?._steamUserStats!!.getUserStats(appId, steamUser.steamID!!).await()

app/src/main/java/app/gamenative/ui/data/Achievement.kt

@@ -0,0 +1,18 @@
+package app.gamenative.ui.data
+
+data class Achievement(
+    val displayName: String,
+    val name: String?,
+    val isUnlocked: Boolean,
+    val description: String,
+    val unlockTimestamp: Int,
+    val hidden: Boolean,
+    val icon: String,
+    val iconGray: String?
+){
+    fun getFormattedUnlockTime(): String? {
+        if (unlockTimestamp == 0) return null
+        val dateFormat = java.text.SimpleDateFormat("yyyy-MM-dd HH:mm:ss", java.util.Locale.getDefault())
+        return dateFormat.format(java.util.Date(unlockTimestamp * 1000L))
+    }
+}

app/src/main/java/app/gamenative/ui/data/GameDisplayInfo.kt

@@ -1,5 +1,7 @@
 package app.gamenative.ui.data
 
+import app.gamenative.data.GameSource
+
 /**
  * Common data structure for displaying game information in the UI.
  * This allows both Steam and Custom Games to use the same UI layout.