Move Document screen out of default scan process

app/src/main/java/org/fairscan/app/MainActivity.kt

@@ -131,6 +131,20 @@ class MainActivity : ComponentActivity() {
 
             FairScanTheme {
                 val navigation = navigation(viewModel, launchMode)
+                val onExportClick = if (launchMode == LaunchMode.EXTERNAL_SCAN_TO_PDF) {
+                    {
+                        lifecycleScope.launch {
+                            val result = exportViewModel.generatePdfForExternalCall()
+                            sendActivityResult(result)
+                            viewModel.startNewDocument()
+                            finish()
+                        }
+                        Unit
+                    }
+                } else {
+                    navigation.toExportScreen
+                }
+
                 when (val screen = currentScreen) {
                     is Screen.Main.Home -> {
                         val recentDocs by homeViewModel.recentDocuments.collectAsStateWithLifecycle()
@@ -150,7 +164,7 @@ class MainActivity : ComponentActivity() {
                             navigation,
                             liveAnalysisState,
                             onImageAnalyzed = { image -> cameraViewModel.liveAnalysis(image) },
-                            onFinalizePressed = navigation.toDocumentScreen,
+                            onFinalizePressed = onExportClick,
                             cameraPermission = cameraPermission
                         )
                     }
@@ -159,19 +173,7 @@ class MainActivity : ComponentActivity() {
                             document = document,
                             initialPage = screen.initialPage,
                             navigation = navigation,
-                            onExportClick = if (launchMode == LaunchMode.EXTERNAL_SCAN_TO_PDF) {
+                            onExportClick = onExportClick,
-                                {
-                                    lifecycleScope.launch {
-                                        val result = exportViewModel.generatePdfForExternalCall()
-                                        sendActivityResult(result)
-                                        viewModel.startNewDocument()
-                                        finish()
-                                    }
-                                    Unit
-                                }
-                            } else {
-                                navigation.toExportScreen
-                            },
                             onDeleteImage =  { id -> viewModel.deletePage(id) },
                             onRotateImage = { id, clockwise -> viewModel.rotateImage(id, clockwise) },
                             onPageReorder = { id, newIndex -> viewModel.movePage(id, newIndex) },

app/src/main/java/org/fairscan/app/ui/Navigation.kt

@@ -73,7 +73,7 @@ data class NavigationState private constructor(val stack: List<Screen>, val root
             is Screen.Main.Home -> this // Back handled by system
             is Screen.Main.Camera -> copy(stack = listOf(Screen.Main.Home))
             is Screen.Main.Document -> copy(stack = listOf(Screen.Main.Camera))
-            is Screen.Main.Export -> copy(stack = listOf(Screen.Main.Document()))
+            is Screen.Main.Export -> copy(stack = listOf(Screen.Main.Camera))
             is Screen.Overlay -> copy(stack = stack.dropLast(1))
         }
     }

app/src/main/java/org/fairscan/app/ui/screens/DocumentScreen.kt

@@ -32,7 +32,7 @@ import androidx.compose.material.icons.Icons
 import androidx.compose.material.icons.automirrored.filled.RotateLeft
 import androidx.compose.material.icons.automirrored.filled.RotateRight
 import androidx.compose.material.icons.filled.Add
-import androidx.compose.material.icons.filled.Description
+import androidx.compose.material.icons.filled.Done
 import androidx.compose.material.icons.outlined.Delete
 import androidx.compose.material3.ExperimentalMaterial3Api
 import androidx.compose.material3.MaterialTheme
@@ -227,7 +227,7 @@ private fun BottomBar(
     ) {
         MainActionButton(
             onClick = onExportClick,
-            icon = Icons.Default.Description,
+            icon = Icons.Default.Done,
             text = stringResource(R.string.export),
         )
     }

app/src/test/java/org/fairscan/app/ui/NavigationTest.kt

@@ -52,7 +52,7 @@ class NavigationTest {
         assertThat(atHome.navigateBack()).isEqualTo(atHome)
         assertThat(atCamera.navigateBack()).isEqualTo(atHome)
         assertThat(atDocument.navigateBack()).isEqualTo(atCamera)
-        assertThat(atExport.navigateBack()).isEqualTo(atDocument)
+        assertThat(atExport.navigateBack()).isEqualTo(atCamera)
     }
 
     @Test