Error Handler

app/build.gradle.kts

@@ -63,4 +63,5 @@ dependencies {
     androidTestImplementation(libs.androidx.compose.ui.test.junit4)
     debugImplementation(libs.androidx.compose.ui.tooling)
     debugImplementation(libs.androidx.compose.ui.test.manifest)
+
 }

app/src/main/java/id/ac/ubharajaya/sistemakademik/ErrorComponents.kt

@@ -0,0 +1,92 @@
+package id.ac.ubharajaya.sistemakademik
+
+import androidx.compose.foundation.layout.*
+import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.filled.Lock
+import androidx.compose.material.icons.filled.Warning
+import androidx.compose.material.icons.filled.WifiOff
+import androidx.compose.material3.*
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.graphics.vector.ImageVector
+import androidx.compose.ui.text.style.TextAlign
+import androidx.compose.ui.unit.dp
+
+// 1. Tampilan Error Full Screen (Misal saat gagal load list)
+@Composable
+fun FullScreenErrorState(
+    message: String,
+    onRetry: () -> Unit,
+    modifier: Modifier = Modifier
+) {
+    Column(
+        modifier = modifier.fillMaxSize().padding(32.dp),
+        horizontalAlignment = Alignment.CenterHorizontally,
+        verticalArrangement = Arrangement.Center
+    ) {
+        Icon(
+            imageVector = if (message.contains("internet")) Icons.Default.WifiOff else Icons.Default.Warning,
+            contentDescription = null,
+            modifier = Modifier.size(64.dp),
+            tint = MaterialTheme.colorScheme.error
+        )
+        Spacer(modifier = Modifier.height(16.dp))
+        Text(
+            text = "Ups, Terjadi Masalah",
+            style = MaterialTheme.typography.titleLarge
+        )
+        Spacer(modifier = Modifier.height(8.dp))
+        Text(
+            text = message,
+            style = MaterialTheme.typography.bodyMedium,
+            textAlign = TextAlign.Center,
+            color = MaterialTheme.colorScheme.onSurfaceVariant
+        )
+        Spacer(modifier = Modifier.height(24.dp))
+        Button(onClick = onRetry) {
+            Text("Coba Lagi")
+        }
+    }
+}
+
+// 2. Dialog Error (Misal saat gagal submit absen)
+@Composable
+fun ErrorDialog(
+    message: String,
+    onDismiss: () -> Unit
+) {
+    AlertDialog(
+        onDismissRequest = onDismiss,
+        title = { Text("Gagal") },
+        text = { Text(message) },
+        confirmButton = {
+            TextButton(onClick = onDismiss) {
+                Text("OK")
+            }
+        },
+        icon = {
+            Icon(Icons.Default.Warning, contentDescription = null, tint = MaterialTheme.colorScheme.error)
+        }
+    )
+}
+
+// 3. Session Expired Dialog (Khusus Logout)
+@Composable
+fun SessionExpiredDialog(
+    onConfirm: () -> Unit
+) {
+    AlertDialog(
+        onDismissRequest = {}, // Tidak bisa dicancel
+        title = { Text("Sesi Berakhir") },
+        text = { Text("Token akses Anda sudah kadaluarsa. Silakan login kembali untuk melanjutkan.") },
+        confirmButton = {
+            Button(onClick = onConfirm) {
+                Text("Login Ulang")
+            }
+        },
+        icon = {
+            Icon(Icons.Default.Lock, contentDescription = null)
+        }
+    )
+}

app/src/main/java/id/ac/ubharajaya/sistemakademik/NetworkUtils.kt

@@ -0,0 +1,43 @@
+package id.ac.ubharajaya.sistemakademik
+
+import org.json.JSONObject
+import java.net.ConnectException
+import java.net.SocketTimeoutException
+import java.net.UnknownHostException
+
+object ErrorHandler {
+
+    // Menerjemahkan Exception Java ke Pesan Manusia
+    fun parseException(e: Exception): String {
+        return when (e) {
+            is UnknownHostException -> "🚫 Tidak ada koneksi internet. Periksa wifi/data Anda."
+            is SocketTimeoutException -> "⏳ Waktu habis. Server tidak merespons (Timeout)."
+            is ConnectException -> "🔌 Gagal terhubung ke server. Server mungkin sedang offline."
+            else -> "⚠️ Terjadi kesalahan: ${e.message}"
+        }
+    }
+
+    // Menerjemahkan Response Code HTTP
+    fun parseHttpError(responseCode: Int, errorBody: String): String {
+        // Coba ambil pesan error spesifik dari JSON server (jika ada)
+        val serverMessage = try {
+            val json = JSONObject(errorBody)
+            json.optString("error", "")
+        } catch (e: Exception) {
+            ""
+        }
+
+        if (serverMessage.isNotEmpty()) return serverMessage
+
+        // Jika tidak ada pesan JSON, gunakan pesan default berdasarkan kode
+        return when (responseCode) {
+            400 -> "❌ Permintaan tidak valid (Bad Request)."
+            401 -> "🔒 Sesi telah berakhir. Silakan login kembali."
+            403 -> "⛔ Anda tidak memiliki akses ke fitur ini."
+            404 -> "🔍 Data atau alamat tidak ditemukan."
+            500 -> "🔥 Terjadi kesalahan internal pada server."
+            502, 503 -> "🚧 Server sedang dalam perbaikan (Maintenance)."
+            else -> "⚠️ Terjadi kesalahan (Kode: $responseCode)."
+        }
+    }
+}