[WIP] - Base for session and student view in the UI

app/src/main/java/com/faraphel/tasks_valider/database/api/TaskDatabaseApi.kt

@@ -61,7 +61,7 @@ class TaskDatabaseApi(private val database: TaskDatabase) {
             // TODO(Faraphel): should only be allowed to read data concerning the current class session
             NanoHTTPD.Method.HEAD -> {
                 // check the permission of the session
-                if (taskSession.person.role.permissions.contains(TaskPermission.READ))
+                if (!taskSession.person.role.permissions.contains(TaskPermission.READ))
                     return NanoHTTPD.newFixedLengthResponse(
                         NanoHTTPD.Response.Status.FORBIDDEN,
                         "text/plain",
@@ -73,7 +73,7 @@ class TaskDatabaseApi(private val database: TaskDatabase) {
             // get the data from the database
             NanoHTTPD.Method.GET -> {
                 // check the permission of the session
-                if (taskSession.person.role.permissions.contains(TaskPermission.READ))
+                if (!taskSession.person.role.permissions.contains(TaskPermission.READ))
                     return NanoHTTPD.newFixedLengthResponse(
                         NanoHTTPD.Response.Status.FORBIDDEN,
                         "text/plain",
@@ -85,7 +85,7 @@ class TaskDatabaseApi(private val database: TaskDatabase) {
             // insert the data into the database
             NanoHTTPD.Method.POST -> {
                 // check the permission of the session
-                if (taskSession.person.role.permissions.contains(TaskPermission.WRITE))
+                if (!taskSession.person.role.permissions.contains(TaskPermission.WRITE))
                     return NanoHTTPD.newFixedLengthResponse(
                         NanoHTTPD.Response.Status.FORBIDDEN,
                         "text/plain",
@@ -97,7 +97,7 @@ class TaskDatabaseApi(private val database: TaskDatabase) {
             // delete the data from the database
             NanoHTTPD.Method.DELETE -> {
                 // check the permission of the session
-                if (taskSession.person.role.permissions.contains(TaskPermission.WRITE))
+                if (!taskSession.person.role.permissions.contains(TaskPermission.WRITE))
                     return NanoHTTPD.newFixedLengthResponse(
                         NanoHTTPD.Response.Status.FORBIDDEN,
                         "text/plain",

app/src/main/java/com/faraphel/tasks_valider/database/entities/TaskEntity.kt

@@ -21,6 +21,7 @@ data class TaskEntity (
     @ColumnInfo("id") @PrimaryKey(autoGenerate = true) val id: Long = 0,
     @ColumnInfo("title") val title: String,
     @ColumnInfo("description") val description: String? = null,
+    @ColumnInfo("order") val order: Int,  ///< the order of the task in the list of the subject
 
     @ColumnInfo("subject_id", index = true) val subjectId: Long,
 ) : BaseEntity() {

app/src/main/java/com/faraphel/tasks_valider/database/test.kt

@@ -0,0 +1,117 @@
+package com.faraphel.tasks_valider.database
+
+import com.faraphel.tasks_valider.connectivity.task.session.TaskRole
+import com.faraphel.tasks_valider.database.entities.*
+
+fun populateTaskDatabaseTest(database: TaskDatabase) {
+    // classes
+    val (
+        classMiageId,
+        classIsriId,
+    ) = database.classDao().insert(
+        ClassEntity(name="MIAGE"),
+        ClassEntity(name="ISRI")
+    )
+
+    val classMiage = database.classDao().getById(classMiageId)!!
+    val classIrsi = database.classDao().getById(classIsriId)!!
+
+    // persons
+    val (
+        personBillyId,
+        personBobbyId,
+        personBettyId,
+    ) = database.personDao().insert(
+        PersonEntity(
+            "Billy", "Bob",
+            null,
+            "1234",
+            TaskRole.STUDENT
+        ),
+        PersonEntity(
+            "Bobby", "Bob",
+            null,
+            "1234",
+            TaskRole.STUDENT
+        ),
+        PersonEntity(
+            "Betty", "Bob",
+            null,
+            "1234",
+            TaskRole.STUDENT
+        )
+    )
+
+    val personBilly = database.personDao().getById(personBillyId)!!
+    val personBobby = database.personDao().getById(personBobbyId)!!
+    val personBetty = database.personDao().getById(personBettyId)!!
+
+    // relations class <=> persons
+    database.relationClassPersonDao().insert(
+        RelationClassPersonEntity(personBobby.id, classMiage.id),
+        RelationClassPersonEntity(personBilly.id, classMiage.id),
+        RelationClassPersonEntity(personBetty.id, classIrsi.id),
+    )
+
+    // subjects
+    val (
+        subjectAId,
+        subjectBId
+    ) = database.subjectDao().insert(
+        SubjectEntity(
+            name="Type A"
+        ),
+        SubjectEntity(
+            name="Type B"
+        )
+    )
+
+    val subjectA = database.subjectDao().getById(subjectAId)!!
+    val subjectB = database.subjectDao().getById(subjectBId)!!
+
+    // tasks
+    val (
+        taskA1Id,
+        taskA2Id,
+        taskA3Id,
+        taskB1Id,
+        taskB2Id,
+    ) = database.taskDao().insert(
+        TaskEntity(
+            title = "Commencer A",
+            description = "Description 1",
+            order = 1,
+            subjectId = subjectA.id,
+        ),
+        TaskEntity(
+            title = "Continuer A",
+            description = "Description 2",
+            order = 2,
+            subjectId = subjectA.id
+        ),
+        TaskEntity(
+            title = "Finir A",
+            description = "Description 3",
+            order = 3,
+            subjectId = subjectA.id
+        ),
+        TaskEntity(
+            title = "Commencer B",
+            description = "Description 1",
+            order = 1,
+            subjectId = subjectB.id,
+        ),
+        TaskEntity(
+            title = "Finir B",
+            description = "Description 2",
+            order = 2,
+            subjectId = subjectB.id,
+        )
+    )
+
+    val taskA1 = database.taskDao().getById(taskA1Id)!!
+    val taskA2 = database.taskDao().getById(taskA2Id)!!
+    val taskA3 = database.taskDao().getById(taskA3Id)!!
+    val taskB1 = database.taskDao().getById(taskB1Id)!!
+    val taskB2 = database.taskDao().getById(taskB2Id)!!
+}

app/src/main/java/com/faraphel/tasks_valider/ui/screen/communication/internet/client.kt

@@ -1,4 +1,4 @@
-package com.faraphel.tasks_valider.ui.screen.communication.internet.client
+package com.faraphel.tasks_valider.ui.screen.communication.internet
 
 import android.app.Activity
 import androidx.compose.foundation.layout.Column

app/src/main/java/com/faraphel/tasks_valider/ui/screen/communication/internet/selection.kt

@@ -9,8 +9,6 @@ import androidx.navigation.NavController
 import androidx.navigation.compose.NavHost
 import androidx.navigation.compose.composable
 import androidx.navigation.compose.rememberNavController
-import com.faraphel.tasks_valider.ui.screen.communication.internet.client.CommunicationInternetClientScreen
-import com.faraphel.tasks_valider.ui.screen.communication.internet.server.CommunicationInternetServerScreen
 
 
 @Composable

app/src/main/java/com/faraphel/tasks_valider/ui/screen/communication/internet/server.kt

@@ -1,4 +1,4 @@
-package com.faraphel.tasks_valider.ui.screen.communication.internet.server
+package com.faraphel.tasks_valider.ui.screen.communication.internet
 
 import android.app.Activity
 import android.util.Log
@@ -19,7 +19,9 @@ import androidx.room.Room
 import com.faraphel.tasks_valider.connectivity.task.TaskClient
 import com.faraphel.tasks_valider.connectivity.task.TaskServer
 import com.faraphel.tasks_valider.database.TaskDatabase
+import com.faraphel.tasks_valider.database.entities.ClassEntity
 import com.faraphel.tasks_valider.database.entities.PersonEntity
+import com.faraphel.tasks_valider.database.populateTaskDatabaseTest
 import com.faraphel.tasks_valider.ui.screen.authentification.AuthentificationServerScreen
 import com.faraphel.tasks_valider.ui.screen.communication.DEFAULT_SERVER_PORT
 import com.faraphel.tasks_valider.ui.screen.communication.RANGE_SERVER_PORT
@@ -72,6 +74,7 @@ fun CommunicationInternetServerContent(
             expanded = expandedStudentList.value,
             onDismissRequest = { expandedStudentList.value = false }
         ) {
+            // TODO(Faraphel): student lists should be loaded from the database or a file
             DropdownMenuItem(
                 text = { Text("ISRI") },
                 onClick = {}
@@ -80,7 +83,6 @@ fun CommunicationInternetServerContent(
                 text = { Text("MIAGE") },
                 onClick = {}
             )
-            // TODO(Faraphel): student lists should be loaded from the database or a file
         }
 
         // server port
@@ -107,6 +109,10 @@ fun CommunicationInternetServerContent(
                     "local"
                 ).build()
 
+                // Populate the database with test data
+                // TODO(Faraphel): remove test data
+                populateTaskDatabaseTest(database)
+
                 // Insert the admin in the database
                 database.personDao().insert(adminPersonEntity)
 

app/src/main/java/com/faraphel/tasks_valider/ui/screen/task/screen.kt

@@ -1,67 +0,0 @@
-package com.faraphel.tasks_valider.ui.screen.task
-
-import android.app.Activity
-import android.widget.Toast
-import androidx.compose.material3.Text
-import androidx.compose.runtime.Composable
-import androidx.compose.runtime.MutableState
-import androidx.compose.runtime.mutableStateOf
-import androidx.compose.runtime.remember
-import com.faraphel.tasks_valider.connectivity.task.TaskClient
-import com.faraphel.tasks_valider.connectivity.task.session.TaskSession
-import com.google.gson.Gson
-import com.google.gson.reflect.TypeToken
-
-
-/**
- * This screen represent a session
- * @param activity the android activity
- * @param client an HTTP client that can communicate with the server
- */
-@Composable
-fun TaskSessionScreen(activity: Activity, client: TaskClient) {
-    Text("WIP : Session Screen")
-
-    val session = remember { mutableStateOf<TaskSession?>(null) }
-
-    if (session.value == null)
-        return Thread { refreshGroups(activity, client, session) }.start()
-
-    Text("Session: ${session.value!!}")
-
-    /*
-    val students = remember { mutableStateOf<List<TaskGroupEntity>?>(null) }
-
-    // title
-    Text(text = "Task Group")
-
-    // if the groups are not yet defined, refresh the list
-    if (groups.value == null) {
-        Thread { refreshGroups(activity, client, groups) }.start()
-        return
-    }
-
-    // if the groups have already been defined, display them
-    for (group in groups.value!!) {
-        Text(text = group.toString())
-    }
-    */
-}
-
-
-fun refreshGroups(activity: Activity, client: TaskClient, session: MutableState<TaskSession?>) {
-    val jsonParser = Gson()
-
-    // try to obtain the list of groups
-    val response = client.get("sessions/self")
-
-    // in case of error, notify it
-    if (!response.isSuccessful)
-        return activity.runOnUiThread { Toast.makeText(activity, response.message, Toast.LENGTH_LONG).show() }
-
-    // parse the list of groups
-    session.value = jsonParser.fromJson(
-        response.body.string(),
-        object : TypeToken<TaskSession>(){}.type
-    )
-}

app/src/main/java/com/faraphel/tasks_valider/ui/screen/task/session.kt

@@ -0,0 +1,63 @@
+package com.faraphel.tasks_valider.ui.screen.task
+
+import android.app.Activity
+import android.widget.Toast
+import androidx.compose.foundation.layout.Column
+import androidx.compose.material3.Button
+import androidx.compose.material3.Text
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.MutableState
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.remember
+import com.faraphel.tasks_valider.connectivity.task.TaskClient
+import com.faraphel.tasks_valider.database.entities.PersonEntity
+import com.google.gson.Gson
+import com.google.gson.reflect.TypeToken
+
+
+/**
+ * This screen represent a session
+ * @param activity the android activity
+ * @param client an HTTP client that can communicate with the server
+ */
+@Composable
+fun TaskSessionScreen(activity: Activity, client: TaskClient) {
+    val students = remember { mutableStateOf<List<PersonEntity>?>(null) }
+    val selected_student = remember { mutableStateOf<PersonEntity?>(null) }
+
+    // if the groups are not yet defined, refresh the list
+    if (students.value == null)
+        return Thread { refreshStudents(activity, client, students) }.start()
+
+    if (selected_student.value != null)
+        return TaskStudentScreen(selected_student.value!!)
+
+    Column {
+        // if the groups have already been defined, display them
+        for (student in students.value!!) {
+            Button(onClick = { selected_student.value = student }) {
+                Text(text = student.fullName())
+            }
+        }
+    }
+}
+
+
+// TODO(Faraphel): template this function ?
+fun refreshStudents(activity: Activity, client: TaskClient, students: MutableState<List<PersonEntity>?>) {
+    // TODO(Faraphel): global variable ?
+    val jsonParser = Gson()
+
+    // try to obtain the list of groups
+    val response = client.get("entities/" + PersonEntity.TABLE_NAME)
+
+    // in case of error, notify it
+    if (!response.isSuccessful)
+        return activity.runOnUiThread { Toast.makeText(activity, response.message, Toast.LENGTH_LONG).show() }
+
+    // parse the list of groups
+    students.value = jsonParser.fromJson(
+        response.body.string(),
+        object : TypeToken<List<PersonEntity>>(){}.type
+    )
+}

app/src/main/java/com/faraphel/tasks_valider/ui/screen/task/student.kt

@@ -0,0 +1,14 @@
+package com.faraphel.tasks_valider.ui.screen.task
+
+import androidx.compose.material3.Text
+import androidx.compose.runtime.Composable
+import com.faraphel.tasks_valider.database.entities.PersonEntity
+
+/**
+ * This screen represent a student
+ * @param student the student object
+ */
+@Composable
+fun TaskStudentScreen(student: PersonEntity) {
+    Text(text = student.fullName())
+}