add repository

app/src/main/java/com/ratanparai/moviedog/db/dao/MovieDao.kt

@@ -9,4 +9,10 @@ import com.ratanparai.moviedog.Movie
 interface MovieDao {
     @Query("SELECT * FROM movies ORDER BY title")
     fun getMovies() : LiveData<List<Movie>>
+
+    @Query("SELECT * FROM movies WHERE id = :movieId")
+    fun getMovie(movieId : Int) : LiveData<Movie>
+
+    @Query("SELECT * FROM movies WHERE imdbId = :imdbId")
+    fun getMovie(imdbId : String) : LiveData<Movie>
 }

app/src/main/java/com/ratanparai/moviedog/db/entity/Movie.kt

@@ -9,6 +9,7 @@ data class Movie (
     @PrimaryKey @ColumnInfo(name = "id") val id: String,
     val title : String,
     val description : String,
+    val imdbId : String,
     val cardImage : String,
     val backgroundImage : String?,
     val videoUrl : String,

app/src/main/java/com/ratanparai/moviedog/db/repository/MovieRepository.kt

@@ -0,0 +1,15 @@
+package com.ratanparai.moviedog.db.repository
+
+import com.ratanparai.moviedog.db.dao.MovieDao
+import com.ratanparai.moviedog.scrapper.DekhvhaiScrapper
+
+class MovieRepository private constructor(private val movieDao : MovieDao){
+
+    companion object {
+        @Volatile private var instance : MovieRepository? = null
+
+        fun getInstance(movieDao: MovieDao) = instance ?: synchronized(this) {
+            instance ?: MovieRepository(movieDao).also { instance = it }
+        }
+    }
+}