[add] function implementation

2025-08-24 20:07:38 +08:00
parent 996c1ff5cf
commit d0a6497dd6
64 changed files with 2924 additions and 1 deletions
--- a/app/src/main/java/com/acitelight/aether/viewModel/VideoScreenViewModel.kt
+++ b/app/src/main/java/com/acitelight/aether/viewModel/VideoScreenViewModel.kt
@@ -0,0 +1,85 @@
+package com.acitelight.aether.viewModel
+
+import android.app.Application
+import androidx.compose.runtime.State
+import androidx.compose.runtime.collectAsState
+import androidx.compose.runtime.getValue
+import androidx.compose.runtime.mutableIntStateOf
+import androidx.datastore.preferences.core.stringPreferencesKey
+import androidx.lifecycle.AndroidViewModel
+import androidx.lifecycle.ViewModel
+import androidx.lifecycle.viewModelScope
+import com.acitelight.aether.Global
+import com.acitelight.aether.dataStore
+import com.acitelight.aether.model.Video
+import com.acitelight.aether.service.ApiClient
+import com.acitelight.aether.service.AuthManager
+import com.acitelight.aether.service.MediaManager
+import kotlinx.coroutines.flow.Flow
+import kotlinx.coroutines.flow.MutableStateFlow
+import kotlinx.coroutines.flow.StateFlow
+import kotlinx.coroutines.flow.first
+import kotlinx.coroutines.flow.map
+import kotlinx.coroutines.launch
+
+class VideoScreenViewModel(application: Application) : AndroidViewModel(application)
+{
+    private val dataStore = application.dataStore
+    private val USER_NAME_KEY = stringPreferencesKey("user_name")
+    private val PRIVATE_KEY   = stringPreferencesKey("private_key")
+
+    val userNameFlow: Flow<String> = dataStore.data.map { preferences ->
+        preferences[USER_NAME_KEY] ?: ""
+    }
+
+    val privateKeyFlow: Flow<String> = dataStore.data.map {  preferences ->
+        preferences[PRIVATE_KEY] ?: ""
+    }
+
+    private val _tabIndex = mutableIntStateOf(0)
+    val tabIndex: State<Int> = _tabIndex
+
+    private val _videos = MutableStateFlow<List<Video>>(emptyList())
+    val videos: StateFlow<List<Video>> = _videos
+    private val _klasses = MutableStateFlow<List<String>>(emptyList())
+    val klasses: StateFlow<List<String>> = _klasses;
+
+    suspend fun init() {
+        _klasses.value = MediaManager.listVideoKlasses()
+        val p = MediaManager.listVideos(_klasses.value.first())
+        _videos.value = p
+    }
+
+    fun setTabIndex(index: Int)
+    {
+        viewModelScope.launch()
+        {
+            _tabIndex.intValue = index;
+            val p = MediaManager.listVideos(_klasses.value[index])
+            _videos.value = p
+        }
+    }
+
+    init {
+        viewModelScope.launch {
+            val u = userNameFlow.first()
+            val p = privateKeyFlow.first()
+
+            if(u=="" || p=="") return@launch
+
+            try{
+                if (MediaManager.token == "null")
+                    MediaManager.token = AuthManager.fetchToken(
+                        ApiClient.base,
+                        u,
+                        p
+                    )!!
+
+                init()
+            }catch(e: Exception)
+            {
+                print(e.message)
+            }
+        }
+    }
+}