[Added] driver list summary

Author: Daniel García

app/src/main/java/com/tripletres/platformscience/ui/view/driver/DriverListScreen.kt

@@ -42,7 +42,7 @@ fun DriverListViewScreen(navController: NavController, viewModel: DriverListView
             })
         },
         content = {
-            DriverListView(driverUiState.drivers) {
+            DriverListView(driverUiState.drivers, driverUiState.totalSS) {
                 navController.navigate(
                     route = Router.DriverDetailsScreen.buildRoute(it.id.toString())
                 )
@@ -83,13 +83,13 @@ fun DriverListViewScreen(navController: NavController, viewModel: DriverListView
 }
 
 @Composable
-fun DriverListView(drivers: List<DriverItem>, onDriverSelected: (driver: DriverItem) -> Unit) {
+fun DriverListView(drivers: List<DriverItem>, totalSS: Float,  onDriverSelected: (driver: DriverItem) -> Unit) {
     LazyColumn(
         verticalArrangement = Arrangement.spacedBy(8.dp),
         modifier = Modifier.padding(start = 16.dp, end = 16.dp)
     ) {
         item() {
-            Spacer(modifier = Modifier.height(16.dp))
+            DriverSummaryRow(drivers.size, totalSS)
         }
         items(drivers) { driver ->
             DriverItemView(driver) {
@@ -173,6 +173,7 @@ fun DriverItemView(driver: DriverItem, onPressed: (id: Long) -> Unit) {
     }
 }
 
+
 @Preview(showBackground = true)
 @Composable
 fun DriverItemViewPreview() {

app/src/main/java/com/tripletres/platformscience/ui/view/driver/DriverListSummaryView.kt

@@ -0,0 +1,92 @@
+package com.tripletres.platformscience.ui.view.driver
+
+import androidx.compose.foundation.layout.*
+import androidx.compose.foundation.shape.RoundedCornerShape
+import androidx.compose.material.Card
+import androidx.compose.material.Icon
+import androidx.compose.material.MaterialTheme
+import androidx.compose.material.Text
+import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.outlined.Person
+import androidx.compose.material.icons.outlined.Place
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.draw.alpha
+import androidx.compose.ui.draw.scale
+import androidx.compose.ui.graphics.vector.ImageVector
+import androidx.compose.ui.res.stringResource
+import androidx.compose.ui.tooling.preview.Preview
+import androidx.compose.ui.unit.dp
+import com.tripletres.platformscience.R
+
+/**
+ * Summary rows like a dashboard
+ */
+@Composable
+fun DriverSummaryRow(count: Int, totalSS: Float) {
+    Row(
+        modifier = Modifier.padding(top = 16.dp)
+    ) {
+
+        Box(modifier = Modifier.weight(1f)) {
+            DriverHighlightCard(
+                title = stringResource(id = R.string.driver_list_summary_title_count),
+                details = count.toString(),
+                icon = Icons.Outlined.Person)
+        }
+
+        Box(modifier = Modifier.weight(1f)) {
+            DriverHighlightCard(
+                title = stringResource(id = R.string.driver_list_summary_title_ss),
+                details = totalSS.toString(),
+                icon = Icons.Outlined.Place)
+        }
+
+    }
+}
+
+@Composable
+fun DriverHighlightCard(title: String, details: String, icon: ImageVector) {
+    Card(
+        shape = RoundedCornerShape(16.dp),
+        backgroundColor = MaterialTheme.colors.primary,
+        elevation = 2.dp,
+        modifier = Modifier.fillMaxWidth().padding(8.dp)
+    ) {
+        Box(
+            contentAlignment = Alignment.BottomEnd,
+            modifier = Modifier.fillMaxWidth()
+        ) {
+            Column(
+                horizontalAlignment = Alignment.Start,
+                modifier = Modifier.fillMaxWidth().padding(top = 16.dp, bottom = 32.dp, start = 16.dp, end = 32.dp)
+            ) {
+                Text(text = title,
+                    style = MaterialTheme.typography.caption,
+                    modifier = Modifier.padding(bottom = 2.dp)
+                )
+                Text(
+                    text = details,
+                    style = MaterialTheme.typography.h5
+                )
+            }
+            Icon(
+                imageVector = icon,
+                contentDescription = "",
+                modifier = Modifier
+                    .padding(16.dp)
+                    .scale(1.5f)
+                    .alpha(0.8f)
+            )
+        }
+    }
+}
+
+@Preview
+@Composable
+fun DriverHighlightCardPreview() {
+    DriverHighlightCard(title = "TITLE",
+        details = "DETAILS",
+        icon = Icons.Outlined.Person)
+}

app/src/main/java/com/tripletres/platformscience/ui/view/driver/DriverListUiState.kt

@@ -5,5 +5,6 @@ import com.tripletres.platformscience.ui.model.DriverItem
 data class DriverListUiState(
     val isLoading: Boolean = false,
     val drivers: List<DriverItem> = emptyList(),
-    val isReloadDialog: Boolean = false
+    val isReloadDialog: Boolean = false,
+    val totalSS: Float = 0f
 )

app/src/main/java/com/tripletres/platformscience/ui/view/driver/DriverListViewModel.kt

@@ -26,7 +26,7 @@ class DriverListViewModel @Inject constructor(
     private val getAssignedDriversToShipmentsUseCase: GetAssignedDriversToShipmentsUseCase,
     private val loadDriversShipmentsUseCase: LoadDriversShipmentsUseCase,
     private val assignDriversToShipmentsUseCase: AssignDriversToShipmentsUseCase,
-    private val settings: SimpleSettingsUtil
+    private val settings: SimpleSettingsUtil,
 ) : ViewModel() {
     private val _uiState = MutableStateFlow(DriverListUiState())
     val uiState = _uiState.asStateFlow()
@@ -37,7 +37,7 @@ class DriverListViewModel @Inject constructor(
 
             //Determine if "Accepted button was performed"
             //So we need to "reload" with new user settings
-            if(accept){
+            if (accept) {
                 loadDriversShipmentsUseCase(getCachedSetting())
                 assignDriversToShipmentsUseCase(getAlgorithmSetting())
             }
@@ -62,7 +62,8 @@ class DriverListViewModel @Inject constructor(
     private fun updateDriverList(drivers: List<DriverItem>) {
         _uiState.update {
             it.copy(
-                drivers = drivers
+                drivers = drivers,
+                totalSS = getTotalSS(drivers)
             )
         }
     }
@@ -75,7 +76,13 @@ class DriverListViewModel @Inject constructor(
         }
     }
 
-    private fun getCachedSetting() = settings.getPreference(SimpleSettingsUtil.DB_OR_API) == SimpleSettingsUtil.DB_OR_API_DEF
+    private fun getTotalSS(drivers: List<DriverItem>): Float {
+        return drivers.map { it.ss }.reduce { acc, fl -> acc?.plus(fl!!) } ?: 0f
+    }
+
+    private fun getCachedSetting() =
+        settings.getPreference(SimpleSettingsUtil.DB_OR_API) == SimpleSettingsUtil.DB_OR_API_DEF
+
     private fun getAlgorithmSetting() = settings.getPreference(SimpleSettingsUtil.ALGORITHM)
 }
 

app/src/main/res/values/strings.xml

@@ -12,6 +12,8 @@
     <string name="driver_assigned_route">Has an assigned route: </string>
     <string name="driver_reload_title">Do you want to reload?</string>
     <string name="driver_list_title">Drivers</string>
+    <string name="driver_list_summary_title_count">Total drivers</string>
+    <string name="driver_list_summary_title_ss">Total SS</string>
 
     //Settings
     <string name="setting_db_or_api">Source set</string>