Merge pull request #7 from bit-shift-studios/feat/setup-db

Author: dev-xero

.idea/kotlinc.xml

@@ -38,6 +38,7 @@ android {
     }
     kotlinOptions {
         jvmTarget = "17"
+        freeCompilerArgs = freeCompilerArgs + "-opt-in=androidx.compose.material3.ExperimentalMaterial3Api"
     }
     buildFeatures {
         compose = true

app/build.gradle.kts

@@ -3,6 +3,7 @@
     xmlns:tools="http://schemas.android.com/tools">
 
     <application
+        android:name=".application.FlightsApplication"
         android:allowBackup="true"
         android:dataExtractionRules="@xml/data_extraction_rules"
         android:fullBackupContent="@xml/backup_rules"
@@ -15,7 +16,6 @@
         <activity
             android:name=".MainActivity"
             android:exported="true"
-            android:label="@string/app_name"
             android:theme="@style/Theme.FlightsApp">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />

app/src/main/AndroidManifest.xml

@@ -10,8 +10,10 @@ import androidx.compose.material3.Text
 import androidx.compose.runtime.Composable
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.tooling.preview.Preview
-import bitshift.studios.flightsapp.ui.theme.FlightsAppTheme
+import bitshift.studios.flightsapp.presentation.ui.theme.FlightsAppTheme
+import dagger.hilt.android.AndroidEntryPoint
 
+@AndroidEntryPoint
 class MainActivity : ComponentActivity() {
 	override fun onCreate(savedInstanceState: Bundle?) {
 		super.onCreate(savedInstanceState)

app/src/main/assets/database/flight_search.db

@@ -0,0 +1,7 @@
+package bitshift.studios.flightsapp.application
+
+import android.app.Application
+import dagger.hilt.android.HiltAndroidApp
+
+@HiltAndroidApp
+class FlightsApplication : Application()

app/src/main/java/bitshift/studios/flightsapp/MainActivity.kt

@@ -0,0 +1,42 @@
+package bitshift.studios.flightsapp.application.di
+
+import android.app.Application
+import androidx.room.Room
+import bitshift.studios.flightsapp.data.db.airport.AirportDatabase
+import bitshift.studios.flightsapp.data.db.bookmarked.BookmarkedAirportsDatabase
+import dagger.Module
+import dagger.Provides
+import dagger.hilt.InstallIn
+import dagger.hilt.components.SingletonComponent
+import javax.inject.Singleton
+
+@Module
+@InstallIn(SingletonComponent::class)
+object AppModule {
+	@Provides
+	@Singleton
+	fun providesAirportDatabase(app: Application): AirportDatabase {
+		return Room
+			.databaseBuilder(
+				app.applicationContext,
+				AirportDatabase::class.java,
+				AirportDatabase.databaseName
+			)
+			.createFromAsset("database/flight_search.db")
+			.fallbackToDestructiveMigration()
+			.build()
+	}
+
+	@Provides
+	@Singleton
+	fun providesBookmarkedAirportsDatabase(app: Application): BookmarkedAirportsDatabase {
+		return Room
+			.databaseBuilder(
+				app.applicationContext,
+				BookmarkedAirportsDatabase::class.java,
+				BookmarkedAirportsDatabase.databaseName
+			)
+			.fallbackToDestructiveMigration()
+			.build()
+	}
+}

app/src/main/java/bitshift/studios/flightsapp/application/FlightsApplication.kt

@@ -0,0 +1,31 @@
+package bitshift.studios.flightsapp.data.db.airport
+
+import androidx.room.Dao
+import androidx.room.Query
+import bitshift.studios.flightsapp.data.db.airport.entities.AirportEntity
+import kotlinx.coroutines.flow.Flow
+
+@Dao
+interface AirportDao {
+	@Query(
+		"""
+			SELECT * FROM airport WHERE (name LIKE :identifier OR iata_code LIKE :identifier)
+			ORDER BY passengers DESC
+		"""
+	)
+	fun getFlightByNameOrCode(identifier: String): Flow<List<AirportEntity>>
+
+	@Query(
+		"""
+			SELECT * FROM airport WHERE iata_code = :code
+		"""
+	)
+	fun getFlightsFromAirportByCode(code: String): Flow<List<AirportEntity>>
+
+	@Query(
+		"""
+			SELECT name FROM airport WHERE iata_code = :code
+		"""
+	)
+	suspend fun getAirportNameByCode(code: String): String
+}

app/src/main/java/bitshift/studios/flightsapp/application/di/AppModule.kt

@@ -0,0 +1,18 @@
+package bitshift.studios.flightsapp.data.db.airport
+
+import androidx.room.Database
+import androidx.room.RoomDatabase
+import bitshift.studios.flightsapp.data.db.airport.entities.AirportEntity
+
+@Database(
+	entities = [AirportEntity::class],
+	exportSchema = false,
+	version = 1
+)
+abstract class AirportDatabase : RoomDatabase() {
+	abstract fun dao(): AirportDao
+
+	companion object {
+		val databaseName = "airport_db"
+	}
+}

app/src/main/java/bitshift/studios/flightsapp/data/db/airport/AirportDao.kt

@@ -0,0 +1,15 @@
+package bitshift.studios.flightsapp.data.db.airport.entities
+
+import androidx.room.ColumnInfo
+import androidx.room.Entity
+import androidx.room.PrimaryKey
+
+@Entity(tableName = "airport")
+data class AirportEntity(
+	@PrimaryKey
+	val id: Int,
+	@ColumnInfo(name = "iata_code")
+	val iataCode: String,
+	val name: String,
+	val passengers: Int
+)