recipe-kt/app/src/main/java/xyz/pixelatedw/recipe/data/Recipe.kt

package xyz.pixelatedw.recipe.data

import android.content.Context
import android.graphics.Bitmap
import android.graphics.BitmapFactory
import androidx.core.net.toUri
import androidx.room.Dao
import androidx.room.Delete
import androidx.room.Entity
import androidx.room.Insert
import androidx.room.OnConflictStrategy
import androidx.room.PrimaryKey
import androidx.room.Query
import java.io.File

@Entity
data class Recipe(
	@PrimaryKey
	val title: String,
	val preview: String?,
	val lastModified: Long,
	val content: String,
	val hash: Int
) {
	fun previewImage(ctx: Context): Bitmap? {
		if (this.preview != null) {
			val file = File(ctx.filesDir, this.preview)
			if (file.exists()) {
				ctx.contentResolver.openInputStream(file.toUri()).use {
					return BitmapFactory.decodeStream(it)
				}
			}
		}

		return null
	}
}

@Dao
interface RecipeDao {
	@Insert(onConflict = OnConflictStrategy.REPLACE)
	fun insert(recipe: Recipe)

	@Delete
	fun delete(recipe: Recipe)

	@Query("SELECT EXISTS(SELECT hash FROM recipe WHERE recipe.hash = :hash LIMIT 1)")
	fun hasHash(hash: Int): Boolean
}