Code quality and other improvements

app/build.gradle

@@ -85,6 +85,7 @@ dependencies {
     implementation 'androidx.lifecycle:lifecycle-runtime-ktx:2.6.2'
     implementation 'androidx.activity:activity-compose:1.8.2'
     implementation "androidx.lifecycle:lifecycle-viewmodel-compose:2.6.2"
+    implementation "androidx.navigation:navigation-compose:2.7.6"
     // Jetpack compose.
     implementation "androidx.compose.ui:ui"
     implementation "androidx.compose.ui:ui-tooling-preview"
@@ -94,7 +95,6 @@ dependencies {
     implementation "androidx.compose.material3:material3"
     // Accompanist compose.
     implementation "com.google.accompanist:accompanist-systemuicontroller:0.28.0"
-    implementation "com.google.accompanist:accompanist-navigation-animation:0.33.1-alpha"
     // Recycler View for reader.
     implementation "androidx.recyclerview:recyclerview:1.3.2"
     // Material theme for main activity.

app/src/main/java/com/starry/myne/MainActivity.kt

@@ -38,11 +38,11 @@ import androidx.core.app.ActivityCompat
 import androidx.core.splashscreen.SplashScreen.Companion.installSplashScreen
 import androidx.lifecycle.ViewModelProvider
 import coil.annotation.ExperimentalCoilApi
-import com.starry.myne.others.NetworkObserver
 import com.starry.myne.ui.screens.main.MainScreen
 import com.starry.myne.ui.screens.settings.viewmodels.SettingsViewModel
 import com.starry.myne.ui.screens.settings.viewmodels.ThemeMode
 import com.starry.myne.ui.theme.MyneTheme
+import com.starry.myne.utils.NetworkObserver
 import dagger.hilt.android.AndroidEntryPoint
 
 @ExperimentalMaterialApi
@@ -64,7 +64,7 @@ class MainActivity : AppCompatActivity() {
         settingsViewModel = ViewModelProvider(this)[SettingsViewModel::class.java]
         mainViewModel = ViewModelProvider(this)[MainViewModel::class.java]
 
-        ThemeMode.entries.find { it.ordinal == settingsViewModel.getThemeValue()}
+        ThemeMode.entries.find { it.ordinal == settingsViewModel.getThemeValue() }
             ?.let { settingsViewModel.setTheme(it) }
         settingsViewModel.setMaterialYou(settingsViewModel.getMaterialYouValue())
 

app/src/main/java/com/starry/myne/MainViewModel.kt

@@ -22,9 +22,9 @@ import androidx.compose.runtime.State
 import androidx.compose.runtime.mutableStateOf
 import androidx.lifecycle.ViewModel
 import androidx.lifecycle.viewModelScope
-import com.starry.myne.others.WelcomeDataStore
 import com.starry.myne.ui.navigation.BottomBarScreen
 import com.starry.myne.ui.navigation.Screens
+import com.starry.myne.ui.screens.welcome.viewmodels.WelcomeDataStore
 import dagger.hilt.android.lifecycle.HiltViewModel
 import kotlinx.coroutines.delay
 import kotlinx.coroutines.launch
@@ -42,6 +42,7 @@ class MainViewModel @Inject constructor(private val welcomeDataStore: WelcomeDat
 
     init {
         viewModelScope.launch {
+            // Check if user has completed onboarding.
             welcomeDataStore.readOnBoardingState().collect { completed ->
                 if (completed) {
                     _startDestination.value = BottomBarScreen.Home.route

app/src/main/java/com/starry/myne/database/MyneDatabase.kt

@@ -25,7 +25,7 @@ import com.starry.myne.database.library.LibraryDao
 import com.starry.myne.database.library.LibraryItem
 import com.starry.myne.database.reader.ReaderDao
 import com.starry.myne.database.reader.ReaderItem
-import com.starry.myne.others.Constants
+import com.starry.myne.utils.Constants
 
 @Database(
     entities = [LibraryItem::class, ReaderItem::class],

app/src/main/java/com/starry/myne/database/library/LibraryDao.kt

@@ -17,7 +17,11 @@ limitations under the License.
 package com.starry.myne.database.library
 
 import androidx.lifecycle.LiveData
-import androidx.room.*
+import androidx.room.Dao
+import androidx.room.Delete
+import androidx.room.Insert
+import androidx.room.OnConflictStrategy
+import androidx.room.Query
 
 @Dao
 interface LibraryDao {

app/src/main/java/com/starry/myne/database/reader/ReaderDao.kt

@@ -17,7 +17,10 @@ limitations under the License.
 
 package com.starry.myne.database.reader
 
-import androidx.room.*
+import androidx.room.Dao
+import androidx.room.Insert
+import androidx.room.OnConflictStrategy
+import androidx.room.Query
 
 @Dao
 interface ReaderDao {

app/src/main/java/com/starry/myne/di/MainModule.kt

@@ -19,10 +19,10 @@ package com.starry.myne.di
 
 import android.content.Context
 import com.starry.myne.database.MyneDatabase
-import com.starry.myne.others.WelcomeDataStore
 import com.starry.myne.repo.BookRepository
-import com.starry.myne.utils.BookDownloader
+import com.starry.myne.ui.screens.welcome.viewmodels.WelcomeDataStore
 import com.starry.myne.utils.PreferenceUtil
+import com.starry.myne.utils.book.BookDownloader
 import dagger.Module
 import dagger.Provides
 import dagger.hilt.InstallIn

app/src/main/java/com/starry/myne/repo/BookRepository.kt

@@ -17,9 +17,9 @@ limitations under the License.
 package com.starry.myne.repo
 
 import com.google.gson.Gson
-import com.starry.myne.others.BookLanguage
 import com.starry.myne.repo.models.BookSet
 import com.starry.myne.repo.models.ExtraInfo
+import com.starry.myne.utils.book.BookLanguage
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.withContext
 import okhttp3.Call
@@ -43,9 +43,11 @@ class BookRepository {
     private val googleBooksUrl = "https://www.googleapis.com/books/v1/volumes"
     private val googleApiKey = "AIzaSyBCaXx-U0sbEpGVPWylSggC4RaR4gCGkVE"
 
-
-    private val okHttpClient = OkHttpClient.Builder().connectTimeout(60, TimeUnit.SECONDS)
-        .writeTimeout(60, TimeUnit.SECONDS).readTimeout(100, TimeUnit.SECONDS).build()
+    private val okHttpClient = OkHttpClient.Builder()
+        .connectTimeout(60, TimeUnit.SECONDS)
+        .writeTimeout(60, TimeUnit.SECONDS)
+        .readTimeout(100, TimeUnit.SECONDS)
+        .build()
 
     private val gsonClient = Gson()
 
@@ -102,9 +104,7 @@ class BookRepository {
                     response.use {
                         continuation.resume(
                             Result.success(
-                                gsonClient.fromJson(
-                                    response.body!!.string(), BookSet::class.java
-                                )
+                                gsonClient.fromJson(response.body!!.string(), BookSet::class.java)
                             )
                         )
                     }
@@ -124,9 +124,7 @@ class BookRepository {
 
             override fun onResponse(call: Call, response: Response) {
                 response.use {
-                    continuation.resume(
-                        parseExtraInfoJson(response.body!!.string())
-                    )
+                    continuation.resume(parseExtraInfoJson(response.body!!.string()))
                 }
             }
         })
@@ -175,11 +173,7 @@ class BookRepository {
                     }
 
                     override fun onResponse(call: Call, response: Response) {
-                        response.use {
-                            continuation.resume(
-                                response.body!!.string()
-                            )
-                        }
+                        response.use { continuation.resume(response.body!!.string()) }
                     }
                 })
             }

app/src/main/java/com/starry/myne/ui/navigation/BottomBarScreen.kt

@@ -23,25 +23,25 @@ sealed class BottomBarScreen(
     val title: Int,
     val icon: Int
 ) {
-    object Home : BottomBarScreen(
+    data object Home : BottomBarScreen(
         route = "home",
         title = R.string.navigation_home,
         icon = R.drawable.ic_nav_home
     )
 
-    object Categories : BottomBarScreen(
+    data object Categories : BottomBarScreen(
         route = "categories",
         title = R.string.navigation_categories,
         icon = R.drawable.ic_nav_categories
     )
 
-    object Library : BottomBarScreen(
+    data object Library : BottomBarScreen(
         route = "library",
         title = R.string.navigation_library,
         icon = R.drawable.ic_nav_library
     )
 
-    object Settings : BottomBarScreen(
+    data object Settings : BottomBarScreen(
         route = "settings",
         title = R.string.navigation_settings,
         icon = R.drawable.ic_nav_settings