- Created data layer for topic list

- Refactored `TopicListScreen` to `TopicScreen` to fetch data from `TopicViewModel`
- Updated Koin module for `TopicViewModel`
- Configured navigation to include `TopicScreen`

Author: yesshreyes

composeApp/src/commonMain/kotlin/com/developersbreach/kotlindictionarymultiplatform/core/KtorHttpClient.kt

@@ -1,5 +1,10 @@
 package com.developersbreach.kotlindictionarymultiplatform.core
 
+import com.developersbreach.kotlindictionarymultiplatform.data.detail.ChatCompletionRequest
+import com.developersbreach.kotlindictionarymultiplatform.data.detail.ChatCompletionResponse
+import com.developersbreach.kotlindictionarymultiplatform.data.detail.ChatMessage
+import com.developersbreach.kotlindictionarymultiplatform.data.detail.FunctionDefinition
+import com.developersbreach.kotlindictionarymultiplatform.data.detail.KotlinTopicDetails
 import io.ktor.client.HttpClient
 import io.ktor.client.plugins.contentnegotiation.ContentNegotiation
 import io.ktor.client.request.header

composeApp/src/commonMain/kotlin/com/developersbreach/kotlindictionarymultiplatform/data/topic/model/Topic.kt

@@ -0,0 +1,5 @@
+package com.developersbreach.kotlindictionarymultiplatform.data.topic.model
+
+data class Topic(
+    val name: String
+)

composeApp/src/commonMain/kotlin/com/developersbreach/kotlindictionarymultiplatform/data/topic/repository/TopicRepository.kt

@@ -0,0 +1,23 @@
+package com.developersbreach.kotlindictionarymultiplatform.data.topic.repository
+
+import com.developersbreach.kotlindictionarymultiplatform.data.topic.model.Topic
+
+object TopicRepository {
+    fun getTopics(): List<Topic> = listOf(
+        Topic("Variables"),
+        Topic("Strings"),
+        Topic("Functions"),
+        Topic("Coroutines"),
+        Topic("Classes"),
+        Topic("Interfaces"),
+        Topic("Objects"),
+        Topic("Collections"),
+        Topic("Null Safety"),
+        Topic("Lambdas"),
+        Topic("Higher-Order Functions"),
+        Topic("Delegation"),
+        Topic("Sealed Classes"),
+        Topic("Generics"),
+        Topic("Annotations")
+    )
+}

composeApp/src/commonMain/kotlin/com/developersbreach/kotlindictionarymultiplatform/di/AppModule.kt

@@ -1,12 +1,15 @@
 package com.developersbreach.kotlindictionarymultiplatform.di
 
-import org.koin.core.module.dsl.viewModel
-import com.developersbreach.kotlindictionarymultiplatform.ui.screens.DetailViewModel
 import org.koin.dsl.module
+import com.developersbreach.kotlindictionarymultiplatform.ui.screens.detail.DetailViewModel
+import com.developersbreach.kotlindictionarymultiplatform.ui.screens.topic.TopicViewModel
+import org.koin.core.module.dsl.viewModel
 
 val appModule = module {
-
     viewModel {
         DetailViewModel(get())
     }
-}
+    viewModel {
+        TopicViewModel()
+    }
+}

composeApp/src/commonMain/kotlin/com/developersbreach/kotlindictionarymultiplatform/ui/navigation/AppNavigation.kt

@@ -5,9 +5,10 @@ import androidx.compose.runtime.remember
 import androidx.navigation.compose.NavHost
 import androidx.navigation.compose.composable
 import androidx.navigation.compose.rememberNavController
-import com.developersbreach.kotlindictionarymultiplatform.ui.screens.DetailScreen
-import com.developersbreach.kotlindictionarymultiplatform.ui.screens.DetailViewModel
-import com.developersbreach.kotlindictionarymultiplatform.ui.screens.TopicListScreen
+import com.developersbreach.kotlindictionarymultiplatform.ui.screens.detail.DetailScreen
+import com.developersbreach.kotlindictionarymultiplatform.ui.screens.detail.DetailViewModel
+import com.developersbreach.kotlindictionarymultiplatform.ui.screens.topic.TopicScreen
+import com.developersbreach.kotlindictionarymultiplatform.ui.screens.topic.TopicViewModel
 import org.koin.compose.viewmodel.koinViewModel
 
 @Composable
@@ -21,12 +22,13 @@ fun AppNavigation(
         navController = navController,
         startDestination = startDestination,
     ) {
-
         composable<AppDestinations.TopicList> {
-            TopicListScreen(
+            val viewModel: TopicViewModel = koinViewModel()
+            TopicScreen(
                 onTopicClick = { selectedTopicId ->
                     actions.navigateToDetail(selectedTopicId)
-                }
+                },
+                viewModel = viewModel
             )
         }
 
@@ -35,4 +37,4 @@ fun AppNavigation(
             DetailScreen(viewModel = viewModel)
         }
     }
-}
+}

composeApp/src/commonMain/kotlin/com/developersbreach/kotlindictionarymultiplatform/ui/screens/topic/TopicViewModel.kt

@@ -0,0 +1,32 @@
+package com.developersbreach.kotlindictionarymultiplatform.ui.screens.topic
+
+import androidx.lifecycle.ViewModel
+import androidx.lifecycle.viewModelScope
+import com.developersbreach.kotlindictionarymultiplatform.data.topic.model.Topic
+import com.developersbreach.kotlindictionarymultiplatform.data.topic.repository.TopicRepository
+import kotlinx.coroutines.flow.MutableStateFlow
+import kotlinx.coroutines.flow.StateFlow
+import kotlinx.coroutines.launch
+
+class TopicViewModel : ViewModel() {
+
+    private val _topics = MutableStateFlow<List<Topic>>(emptyList())
+    val topics: StateFlow<List<Topic>> = _topics
+
+    init {
+        fetchTopicList()
+    }
+
+    private fun fetchTopicList() {
+        viewModelScope.launch {
+            try {
+                val topics = TopicRepository.getTopics()
+                println("Successfully fetched topics: $topics")
+                _topics.value = topics
+            } catch (e: Exception) {
+                println("Error fetching topics: ${e.message}")
+                e.printStackTrace()
+            }
+        }
+    }
+}

composeApp/src/desktopMain/kotlin/com/developersbreach/kotlindictionarymultiplatform/main.kt

@@ -3,7 +3,8 @@ package com.developersbreach.kotlindictionarymultiplatform
 import androidx.compose.ui.window.Window
 import androidx.compose.ui.window.application
 import com.developersbreach.kotlindictionarymultiplatform.di.appModule
-import com.developersbreach.kotlindictionarymultiplatform.ui.screens.TopicListScreen
+import com.developersbreach.kotlindictionarymultiplatform.ui.navigation.AppNavigation
+import com.developersbreach.kotlindictionarymultiplatform.ui.screens.topic.TopicScreen
 import org.koin.core.context.startKoin
 
 fun main() {
@@ -15,7 +16,7 @@ fun main() {
             onCloseRequest = ::exitApplication,
             title = "Kotlin Dictionary Multiplatform",
         ) {
-            TopicListScreen {  }
+            AppNavigation()
         }
     }
 }