database: convert to multiplatform

Co-authored-by: Harsh Shandilya <me@msfjarvis.dev>
Signed-off-by: Aditya Wasan <adityawasan55@gmail.com>
Signed-off-by: Harsh Shandilya <me@msfjarvis.dev>

.idea/artifacts/database_jvm.xml

@@ -0,0 +1,8 @@
+<component name="ArtifactManager">
+  <artifact type="jar" name="database-jvm">
+    <output-path>$PROJECT_DIR$/database/build/libs</output-path>
+    <root id="archive" name="database-jvm.jar">
+      <element id="module-output" name="database.Claw.database.jvmMain" />
+    </root>
+  </artifact>
+</component>

app/build.gradle.kts

@@ -44,7 +44,6 @@ dependencies {
   implementation(Dependencies.ThirdParty.accompanistFlow)
   implementation(Dependencies.ThirdParty.Moshi.lib)
   implementation(Dependencies.ThirdParty.Retrofit.moshi)
-  implementation(Dependencies.ThirdParty.SQLDelight.androidDriver)
   testImplementation(kotlin("test-junit"))
   androidTestImplementation(kotlin("test-junit"))
 }

app/src/main/java/dev/msfjarvis/lobsters/injection/DatabaseModule.kt

@@ -1,41 +1,29 @@
 package dev.msfjarvis.lobsters.injection
 
 import android.content.Context
-import com.squareup.sqldelight.android.AndroidSqliteDriver
-import com.squareup.sqldelight.db.SqlDriver
 import dagger.Module
 import dagger.Provides
-import dagger.Reusable
 import dagger.hilt.InstallIn
 import dagger.hilt.android.qualifiers.ApplicationContext
 import dagger.hilt.components.SingletonComponent
-import dev.msfjarvis.lobsters.data.local.SavedPost
+import dev.msfjarvis.lobsters.data.local.DriverFactory
+import dev.msfjarvis.lobsters.data.local.createDatabase
 import dev.msfjarvis.lobsters.database.LobstersDatabase
-import dev.msfjarvis.lobsters.model.TagsAdapter
 import javax.inject.Singleton
 
 @Module
 @InstallIn(SingletonComponent::class)
 object DatabaseModule {
 
-  @Provides
-  @Reusable
-  fun providesTagsAdapter(): TagsAdapter {
-    return TagsAdapter()
-  }
-
   @Provides
   @Singleton
-  fun providesSqlDriver(@ApplicationContext context: Context): SqlDriver {
-    return AndroidSqliteDriver(LobstersDatabase.Schema, context, "SavedPosts.db")
+  fun providesDriverFactory(@ApplicationContext context: Context): DriverFactory {
+    return DriverFactory(context)
   }
 
   @Provides
   @Singleton
-  fun providesLobstersDatabase(sqlDriver: SqlDriver, tagsAdapter: TagsAdapter): LobstersDatabase {
-    return LobstersDatabase(
-      sqlDriver,
-      SavedPost.Adapter(tagsAdapter),
-    )
+  fun providesLobstersDatabase(driverFactory: DriverFactory): LobstersDatabase {
+    return createDatabase(driverFactory)
   }
 }

database/build.gradle.kts

@@ -1,11 +1,48 @@
 plugins {
-  kotlin("jvm")
+  kotlin("multiplatform")
+  id("com.android.library")
   id("com.squareup.sqldelight")
   `lobsters-plugin`
 }
 
-dependencies {
-  testImplementation(Dependencies.Kotlin.Coroutines.core)
-  testImplementation(Dependencies.ThirdParty.SQLDelight.jvmDriver)
-  testImplementation(kotlin("test-junit"))
+// workaround for https://youtrack.jetbrains.com/issue/KT-43944
+android {
+  configurations {
+    create("androidTestApi")
+    create("androidTestDebugApi")
+    create("androidTestReleaseApi")
+    create("testApi")
+    create("testDebugApi")
+    create("testReleaseApi")
+  }
+}
+
+kotlin {
+  jvm()
+  android()
+
+  sourceSets {
+    val commonMain by getting {
+    }
+    val jvmTest by getting {
+      dependencies {
+        implementation(Dependencies.Kotlin.Coroutines.core)
+        implementation(kotlin("test-junit"))
+      }
+    }
+    val jvmMain by getting {
+      dependencies {
+        implementation(Dependencies.ThirdParty.SQLDelight.jvmDriver)
+      }
+    }
+    val androidMain by getting {
+      dependencies {
+        implementation(Dependencies.ThirdParty.SQLDelight.androidDriver)
+      }
+    }
+  }
+}
+
+android {
+  sourceSets["main"].manifest.srcFile("src/androidMain/AndroidManifest.xml")
 }

database/src/androidMain/AndroidManifest.xml

@@ -0,0 +1,2 @@
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="dev.msfjarvis.lobsters.database" />

database/src/androidMain/kotlin/dev/msfjarvis/lobsters/data/local/Database.kt

@@ -0,0 +1,12 @@
+package dev.msfjarvis.lobsters.data.local
+
+import android.content.Context
+import com.squareup.sqldelight.android.AndroidSqliteDriver
+import com.squareup.sqldelight.db.SqlDriver
+import dev.msfjarvis.lobsters.database.LobstersDatabase
+
+actual class DriverFactory(private val context: Context) {
+  actual fun createDriver(): SqlDriver {
+    return AndroidSqliteDriver(LobstersDatabase.Schema, context, LobstersDatabaseName)
+  }
+}

database/src/commonMain/kotlin/dev/msfjarvis/lobsters/data/local/Database.kt

@@ -0,0 +1,18 @@
+package dev.msfjarvis.lobsters.data.local
+
+import com.squareup.sqldelight.db.SqlDriver
+import dev.msfjarvis.lobsters.data.model.TagsAdapter
+import dev.msfjarvis.lobsters.database.LobstersDatabase
+
+internal const val LobstersDatabaseName = "SavedPosts.db"
+
+expect class DriverFactory {
+  fun createDriver(): SqlDriver
+}
+
+private fun getTagsAdapter() = TagsAdapter()
+
+fun createDatabase(driverFactory: DriverFactory): LobstersDatabase {
+  val driver = driverFactory.createDriver()
+  return LobstersDatabase(driver, SavedPost.Adapter(getTagsAdapter()))
+}

database/src/commonMain/kotlin/dev/msfjarvis/lobsters/data/model/TagsAdapter.kt

@@ -1,4 +1,4 @@
-package dev.msfjarvis.lobsters.model
+package dev.msfjarvis.lobsters.data.model
 
 import com.squareup.sqldelight.ColumnAdapter
 

database/src/jvmMain/kotlin/dev/msfjarvis/lobsters/data/local/Database.kt

@@ -0,0 +1,13 @@
+package dev.msfjarvis.lobsters.data.local
+
+import com.squareup.sqldelight.db.SqlDriver
+import com.squareup.sqldelight.sqlite.driver.JdbcSqliteDriver
+import dev.msfjarvis.lobsters.database.LobstersDatabase
+
+actual class DriverFactory {
+  actual fun createDriver(): SqlDriver {
+    val driver: SqlDriver = JdbcSqliteDriver(JdbcSqliteDriver.IN_MEMORY)
+    LobstersDatabase.Schema.create(driver)
+    return driver
+  }
+}

database/src/jvmTest/kotlin/dev/msfjarvis/lobsters/data/local/SqlDelightQueriesTest.kt

@@ -1,8 +1,8 @@
 package dev.msfjarvis.lobsters.data.local
 
 import com.squareup.sqldelight.sqlite.driver.JdbcSqliteDriver
+import dev.msfjarvis.lobsters.data.model.TagsAdapter
 import dev.msfjarvis.lobsters.database.LobstersDatabase
-import dev.msfjarvis.lobsters.model.TagsAdapter
 import kotlin.test.Test
 import kotlin.test.assertEquals
 import kotlinx.coroutines.runBlocking