Improved menu interface

.idea/misc.xml

@@ -1,6 +1,7 @@
+<?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
   <component name="ExternalStorageConfigurationManager" enabled="true" />
-  <component name="ProjectRootManager" version="2" languageLevel="JDK_17" default="true" project-jdk-name="jbr-17" project-jdk-type="JavaSDK">
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_17" project-jdk-name="jbr-17" project-jdk-type="JavaSDK">
     <output url="file://$PROJECT_DIR$/build/classes" />
   </component>
   <component name="ProjectType">

.idea/vcs.xml

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
   <component name="VcsDirectoryMappings">
-    <mapping directory="$PROJECT_DIR$" vcs="Git" />
+    <mapping directory="" vcs="Git" />
   </component>
 </project>

app/src/main/java/it/edu/cassandroferminervi/flowschool/remote/ApiService.kt

@@ -1,6 +1,7 @@
 package it.edu.cassandroferminervi.flowschool.remote
 
 import it.edu.cassandroferminervi.flowschool.remote.dto.LoginResult
+import it.edu.cassandroferminervi.flowschool.remote.dto.PresenceResult
 import it.edu.cassandroferminervi.flowschool.remote.dto.TeacherInfoResult
 import retrofit2.Response
 import retrofit2.http.Field
@@ -17,14 +18,17 @@ interface ApiService {
 
     @FormUrlEncoded
     @POST("presenza.php")
-    suspend fun postPresence(@Field("token") token: String): Response<Boolean>
+    suspend fun postPresence(
+        @Field("token") token: String,
+        @Field("codice") qrcode: String
+    ): Response<PresenceResult>
 
     @FormUrlEncoded
     @POST("lista.php")
     suspend fun postTeacherList(@Field("token") token: String): Response<List<TeacherInfoResult>>
 
     @FormUrlEncoded
-    @POST("ricerca.php")
+    @POST("ottieni_prof.php")
     suspend fun postTeacherInfo(
         @Field("token") token: String,
         @Field("profId") teacherId: Int

app/src/main/java/it/edu/cassandroferminervi/flowschool/remote/dto/PresenceResult.kt

@@ -0,0 +1,6 @@
+package it.edu.cassandroferminervi.flowschool.remote.dto
+
+import androidx.annotation.Keep
+
+@Keep
+data class PresenceResult(val success: Boolean)

app/src/main/java/it/edu/cassandroferminervi/flowschool/screens/CameraScreen.kt

@@ -14,10 +14,11 @@ import androidx.compose.ui.platform.LocalContext
 import androidx.compose.ui.platform.LocalLifecycleOwner
 import androidx.compose.ui.viewinterop.AndroidView
 import androidx.core.content.ContextCompat
+import com.ramcosta.composedestinations.navigation.DestinationsNavigator
 import it.edu.cassandroferminervi.flowschool.util.QrAnalyzer
 
 @Composable
-fun CameraScreen() {
+fun CameraScreen(navigator: DestinationsNavigator, token: String) {
     val localContext = LocalContext.current
     val lifecycleOwner = LocalLifecycleOwner.current
     val cameraProviderFuture = remember {
@@ -37,7 +38,7 @@ fun CameraScreen() {
             val imageAnalysis = ImageAnalysis.Builder().build()
             imageAnalysis.setAnalyzer(
                 ContextCompat.getMainExecutor(context),
-                QrAnalyzer(context)
+                QrAnalyzer(context, navigator, token)
             )
 
             runCatching {

app/src/main/java/it/edu/cassandroferminervi/flowschool/screens/HomeScreen.kt

@@ -1,12 +1,18 @@
 package it.edu.cassandroferminervi.flowschool.screens
 
 import androidx.compose.foundation.layout.Arrangement
+import androidx.compose.foundation.layout.Box
 import androidx.compose.foundation.layout.Column
 import androidx.compose.foundation.layout.Spacer
+import androidx.compose.foundation.layout.fillMaxHeight
 import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.foundation.layout.fillMaxWidth
 import androidx.compose.foundation.layout.height
 import androidx.compose.foundation.layout.padding
 import androidx.compose.material3.Button
+import androidx.compose.material3.CardDefaults
+import androidx.compose.material3.ElevatedCard
+import androidx.compose.material3.MaterialTheme
 import androidx.compose.material3.Text
 import androidx.compose.runtime.Composable
 import androidx.compose.ui.Alignment
@@ -24,18 +30,79 @@ fun HomeScreen(navigator: DestinationsNavigator, token: String) {
         verticalArrangement = Arrangement.Center,
         modifier = Modifier
             .fillMaxSize()
-            .padding(horizontal = 50.dp)
     ) {
-        Button(onClick = {
+        ElevatedCard(
+            elevation = CardDefaults.cardElevation(
+                defaultElevation = 6.dp
+            ),
+
+            modifier = Modifier
+                .fillMaxHeight(0.5F)
+                .fillMaxWidth()
+                .padding(25.dp)
+        ) {
+            Text(
+                "Scannerizza codice QR",
+                style = MaterialTheme.typography.headlineMedium,
+                modifier = Modifier
+                    .padding(16.dp)
+            )
+            Text(
+                "Scannerizzando il codice QR generato dinamicamente dal dispositivo situato nella scuola ti permette di segnare la presenza in modo efficiente.",
+                modifier = Modifier
+                    .padding(16.dp)
+            )
+            Box(
+                modifier = Modifier
+                    .fillMaxSize()
+            ) {
+                Button(
+                    onClick = {
                         navigator.navigate(PermissionScreenDestination(token))
-        }, modifier = Modifier.align(Alignment.CenterHorizontally)) {
-            Text("Scannerizza codice QR")
+                    }, modifier = Modifier
+                        .align(Alignment.BottomEnd)
+                        .padding(16.dp)
+                ) {
+                    Text("Prosegui")
+                }
+            }
         }
         Spacer(modifier = Modifier.height(8.dp))
-        Button(onClick = {
+        ElevatedCard(
+            elevation = CardDefaults.cardElevation(
+                defaultElevation = 6.dp
+            ),
+
+            modifier = Modifier
+                .fillMaxHeight()
+                .fillMaxWidth()
+                .padding(25.dp)
+        ) {
+            Text(
+                "Cerca professore",
+                style = MaterialTheme.typography.headlineMedium,
+                modifier = Modifier
+                    .padding(16.dp)
+            )
+            Text(
+                "Cerca il professore sul quale vuoi ottenere informazioni come l'orario di entrata, l'orario di uscita e la classe in cui presiede attualmente.",
+                modifier = Modifier
+                    .padding(16.dp)
+            )
+            Box(
+                modifier = Modifier
+                    .fillMaxSize()
+            ) {
+                Button(
+                    onClick = {
                         navigator.navigate(SearchingScreenDestination(token))
-        }, modifier = Modifier.align(Alignment.CenterHorizontally)) {
-            Text("Cerca professore")
+                    }, modifier = Modifier
+                        .align(Alignment.BottomEnd)
+                        .padding(16.dp)
+                ) {
+                    Text("Prosegui")
+                }
+            }
         }
     }
 }

app/src/main/java/it/edu/cassandroferminervi/flowschool/screens/PermissionScreen.kt

@@ -12,15 +12,16 @@ import com.google.accompanist.permissions.isGranted
 import com.google.accompanist.permissions.rememberPermissionState
 import com.google.accompanist.permissions.shouldShowRationale
 import com.ramcosta.composedestinations.annotation.Destination
+import com.ramcosta.composedestinations.navigation.DestinationsNavigator
 
 @OptIn(ExperimentalPermissionsApi::class)
 @Destination
 @Composable
-fun PermissionScreen(token: String) {
+fun PermissionScreen(navigator: DestinationsNavigator, token: String) {
     val cameraPermissionState = rememberPermissionState(android.Manifest.permission.CAMERA)
 
     if (cameraPermissionState.status.isGranted) {
-        CameraScreen()
+        CameraScreen(navigator, token)
     } else {
         Box(
             contentAlignment = Alignment.Center,

app/src/main/java/it/edu/cassandroferminervi/flowschool/util/QrAnalyzer.kt

@@ -9,8 +9,14 @@ import com.google.mlkit.vision.barcode.BarcodeScannerOptions
 import com.google.mlkit.vision.barcode.BarcodeScanning
 import com.google.mlkit.vision.barcode.common.Barcode
 import com.google.mlkit.vision.common.InputImage
+import com.ramcosta.composedestinations.HomeScreenDestination
+import com.ramcosta.composedestinations.navigation.DestinationsNavigator
+import it.edu.cassandroferminervi.flowschool.remote.RetrofitInstance
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.launch
 
-class QrAnalyzer(private val context: Context) : ImageAnalysis.Analyzer {
+class QrAnalyzer(private val context: Context, private val navigator: DestinationsNavigator, val token: String) : ImageAnalysis.Analyzer {
     private val options = BarcodeScannerOptions.Builder()
         .setBarcodeFormats(Barcode.FORMAT_QR_CODE)
         .build()
@@ -29,7 +35,18 @@ class QrAnalyzer(private val context: Context) : ImageAnalysis.Analyzer {
                     barcode?.takeIf { it.isNotEmpty() }
                         ?.mapNotNull { it.rawValue }
                         ?.joinToString(",")
-                        ?.let { Toast.makeText(context, it, Toast.LENGTH_SHORT).show() }
+                        ?.let {
+                            CoroutineScope(Dispatchers.Main).launch {
+                                val response = RetrofitInstance.api.postPresence(token, it)
+                                val resBody = response.body()
+
+                                if (resBody != null && resBody.success) {
+                                        navigator.navigate(HomeScreenDestination(token))
+                                } else {
+                                    Toast.makeText(context, "Errore", Toast.LENGTH_LONG).show()
+                                }
+                            }
+                        }
                 }.addOnCompleteListener {
                     imageProxy.close()
                 }