Auto select students for login (#2307)

* Auto select students for login

* Add sign in icon to sign in button on student select screen

app/src/main/java/io/github/wulkanowy/ui/modules/login/studentselect/LoginStudentSelectPresenter.kt

@@ -21,6 +21,7 @@ import io.github.wulkanowy.ui.modules.login.LoginErrorHandler
 import io.github.wulkanowy.utils.AnalyticsHelper
 import io.github.wulkanowy.utils.AppInfo
 import io.github.wulkanowy.utils.ifNullOrBlank
+import io.github.wulkanowy.utils.isCurrent
 import kotlinx.coroutines.flow.onEach
 import timber.log.Timber
 import javax.inject.Inject
@@ -73,7 +74,14 @@ class LoginStudentSelectPresenter @Inject constructor(
             students = it.dataOrNull.orEmpty()
             when (it) {
                 is Resource.Loading -> Timber.d("Login student select students load started")
-                is Resource.Success -> refreshItems()
+                is Resource.Success -> {
+                    getStudentsWithCurrentlyActiveSemesters()
+                    selectedStudents.clear()
+                    selectedStudents.addAll(getStudentsWithCurrentlyActiveSemesters())
+                    view?.enableSignIn(selectedStudents.isNotEmpty())
+                    refreshItems()
+                }
+
                 is Resource.Error -> {
                     errorHandler.dispatch(it.error)
                     lastError = it.error
@@ -83,6 +91,21 @@ class LoginStudentSelectPresenter @Inject constructor(
         }.launch()
     }
 
+    private fun getStudentsWithCurrentlyActiveSemesters(): List<LoginStudentSelectItem.Student> {
+        val students = registerUser.symbols.flatMap { symbol ->
+            symbol.schools.flatMap { unit ->
+                unit.students.map {
+                    createStudentItem(it, symbol, unit, students)
+                }
+            }
+        }
+        return students.filter { student ->
+            student.student.semesters.any { semester ->
+                semester.isCurrent()
+            }
+        }
+    }
+
     private fun createItems(): List<LoginStudentSelectItem> = buildList {
         val notEmptySymbols = registerUser.symbols.filter { it.schools.isNotEmpty() }
         val emptySymbols = registerUser.symbols.filter { it.schools.isEmpty() }

app/src/main/res/drawable/ic_login.xml

@@ -0,0 +1,5 @@
+<vector android:autoMirrored="true" android:height="24dp"
+    android:tint="#000000" android:viewportHeight="24"
+    android:viewportWidth="24" android:width="24dp" xmlns:android="http://schemas.android.com/apk/res/android">
+    <path android:fillColor="@android:color/white" android:pathData="M11,7L9.6,8.4l2.6,2.6H2v2h10.2l-2.6,2.6L11,17l5,-5L11,7zM20,19h-8v2h8c1.1,0 2,-0.9 2,-2V5c0,-1.1 -0.9,-2 -2,-2h-8v2h8V19z"/>
+</vector>

app/src/main/res/layout/fragment_login_student_select.xml

@@ -56,6 +56,8 @@
             android:layout_marginBottom="32dp"
             android:enabled="false"
             android:text="@string/login_sign_in"
+            app:icon="@drawable/ic_login"
+            app:iconGravity="end"
             app:layout_constraintBottom_toBottomOf="parent"
             app:layout_constraintEnd_toEndOf="parent"
             app:layout_constraintTop_toBottomOf="@id/loginStudentSelectRecycler" />