Fetch data in ranking screen

src/app/src/main/java/fr/iut/alldev/allin/ui/ranking/RankingScreen.kt

@@ -1,110 +1,27 @@
 package fr.iut.alldev.allin.ui.ranking
 
 import androidx.compose.runtime.Composable
-import androidx.compose.runtime.remember
+import androidx.compose.runtime.getValue
-import fr.iut.alldev.allin.data.model.User
+import androidx.hilt.navigation.compose.hiltViewModel
+import androidx.lifecycle.compose.collectAsStateWithLifecycle
+import fr.iut.alldev.allin.ui.core.AllInLoading
 import fr.iut.alldev.allin.ui.ranking.components.RankingScreenContent
 
 @Composable
-fun RankingScreen() {
+fun RankingScreen(
-    val users = remember { mockRanking }
+    viewModel: RankingViewModel = hiltViewModel()
+) {
+    val state by viewModel.state.collectAsStateWithLifecycle()
 
+    when (val s = state) {
+        is RankingViewModel.State.Loaded -> {
             RankingScreenContent(
-        users = users.sortedByDescending { it.coins }
+                users = s.friends.sortedByDescending { it.coins }
             )
         }
 
-private val mockRanking by lazy {
+        RankingViewModel.State.Loading -> {
-    listOf(
+            AllInLoading(visible = true)
-        User(
+        }
-            id = "1",
+    }
-            username = "Owen",
-            email = "",
-            coins = 8533
-        ),
-        User(
-            id = "2",
-            username = "Dave",
-            email = "",
-            coins = 6942
-        ),
-        User(
-            id = "3",
-            username = "Lucas",
-            email = "",
-            coins = 3333
-        ),
-        User(
-            id = "4",
-            username = "Louison",
-            email = "",
-            coins = 1970
-        ),
-        User(
-            id = "5",
-            username = "Imri",
-            email = "",
-            coins = 1
-        ),
-        User(
-            id = "21",
-            username = "Owen",
-            email = "",
-            coins = 8533
-        ),
-        User(
-            id = "22",
-            username = "Dave",
-            email = "",
-            coins = 6942
-        ),
-        User(
-            id = "23",
-            username = "Lucas",
-            email = "",
-            coins = 3333
-        ),
-        User(
-            id = "24",
-            username = "Louison",
-            email = "",
-            coins = 1970
-        ),
-        User(
-            id = "25",
-            username = "Imri",
-            email = "",
-            coins = 1
-        ),
-        User(
-            id = "31",
-            username = "Owen",
-            email = "",
-            coins = 8533
-        ),
-        User(
-            id = "32",
-            username = "Dave",
-            email = "",
-            coins = 6942
-        ),
-        User(
-            id = "33",
-            username = "Lucas",
-            email = "",
-            coins = 3333
-        ),
-        User(
-            id = "34",
-            username = "Louison",
-            email = "",
-            coins = 1970
-        ),
-        User(
-            id = "35",
-            username = "Imri",
-            email = "",
-            coins = 1
-        )
-    )
 }

src/app/src/main/java/fr/iut/alldev/allin/ui/ranking/RankingViewModel.kt

@@ -0,0 +1,43 @@
+package fr.iut.alldev.allin.ui.ranking
+
+import androidx.lifecycle.ViewModel
+import androidx.lifecycle.viewModelScope
+import dagger.hilt.android.lifecycle.HiltViewModel
+import fr.iut.alldev.allin.data.model.User
+import fr.iut.alldev.allin.data.repository.FriendRepository
+import fr.iut.alldev.allin.keystore.AllInKeystoreManager
+import kotlinx.coroutines.flow.MutableStateFlow
+import kotlinx.coroutines.flow.asStateFlow
+import kotlinx.coroutines.launch
+import timber.log.Timber
+import javax.inject.Inject
+
+@HiltViewModel
+class RankingViewModel @Inject constructor(
+    private val friendRepository: FriendRepository,
+    private val keystoreManager: AllInKeystoreManager
+) : ViewModel() {
+    private val _state by lazy { MutableStateFlow<State>(State.Loading) }
+    val state get() = _state.asStateFlow()
+
+    init {
+        viewModelScope.launch {
+            try {
+                _state.emit(
+                    State.Loaded(
+                        friends = friendRepository.getFriends(
+                            token = keystoreManager.getTokenOrEmpty()
+                        )
+                    )
+                )
+            } catch (e: Exception) {
+                Timber.e(e)
+            }
+        }
+    }
+
+    sealed interface State {
+        data object Loading : State
+        data class Loaded(val friends: List<User>) : State
+    }
+}

src/app/src/main/java/fr/iut/alldev/allin/ui/ranking/components/RankingScreenContent.kt

@@ -67,7 +67,8 @@ fun RankingScreenContent(
             }
         }
 
-        itemsIndexed(users.subList(1, users.size), key = { _, user -> user.id }) { idx, user ->
+        if (users.size > 2) {
+            itemsIndexed(users.subList(2, users.size), key = { _, user -> user.id }) { idx, user ->
                 RankingScreenItem(
                     position = idx + 3,
                     username = user.username,
@@ -76,6 +77,7 @@ fun RankingScreenContent(
             }
         }
     }
+}
 
 @Preview
 @Composable