Created DB module

app/build.gradle

@@ -44,7 +44,11 @@ dependencies {
     compile 'com.squareup.retrofit2:converter-gson:2.0.0-beta4'
     compile 'com.squareup.okhttp3:okhttp:3.1.2'
     compile 'com.squareup.okhttp3:logging-interceptor:3.1.2'
-
+    // SQLBrite
+    compile 'com.squareup.sqlbrite:sqlbrite:0.5.1'
+    // helper for seamless parceling
+    compile 'com.github.frankiesardo:auto-parcel:0.3.1'
+    apt 'com.github.frankiesardo:auto-parcel-processor:0.3.1'
     // Test
     testCompile 'junit:junit:4.12'
 }

app/src/main/java/com/tpg/movierx/db/Db.java

@@ -0,0 +1,43 @@
+/*
+ * Copyright (C) 2015 Square, Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.tpg.movierx.db;
+
+import android.database.Cursor;
+
+public final class Db {
+    public static final int BOOLEAN_FALSE = 0;
+    public static final int BOOLEAN_TRUE = 1;
+
+    public static String getString(Cursor cursor, String columnName) {
+        return cursor.getString(cursor.getColumnIndexOrThrow(columnName));
+    }
+
+    public static boolean getBoolean(Cursor cursor, String columnName) {
+        return getInt(cursor, columnName) == BOOLEAN_TRUE;
+    }
+
+    public static long getLong(Cursor cursor, String columnName) {
+        return cursor.getLong(cursor.getColumnIndexOrThrow(columnName));
+    }
+
+    public static int getInt(Cursor cursor, String columnName) {
+        return cursor.getInt(cursor.getColumnIndexOrThrow(columnName));
+    }
+
+    private Db() {
+        throw new AssertionError("No instances.");
+    }
+}

app/src/main/java/com/tpg/movierx/db/DbModule.java

@@ -0,0 +1,57 @@
+/*
+ * Copyright (C) 2015 Square, Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.tpg.movierx.db;
+
+import android.content.Context;
+import android.database.sqlite.SQLiteOpenHelper;
+
+import com.squareup.sqlbrite.BriteDatabase;
+import com.squareup.sqlbrite.SqlBrite;
+import com.tpg.movierx.db.dao.MovieItemDao;
+
+import javax.inject.Singleton;
+
+import dagger.Module;
+import dagger.Provides;
+
+@Module
+public final class DbModule {
+
+    @Provides
+    @Singleton
+    SQLiteOpenHelper provideOpenHelper(Context context) {
+        return new DbOpenHelper(context);
+    }
+
+    @Provides
+    @Singleton
+    SqlBrite provideSqlBrite() {
+        //        return SqlBrite.create(message -> logger.debug("Database {}", message));
+        return SqlBrite.create();
+    }
+
+    @Provides
+    @Singleton
+    BriteDatabase provideDatabase(SqlBrite sqlBrite, SQLiteOpenHelper helper) {
+        return sqlBrite.wrapDatabaseHelper(helper);
+    }
+
+    @Provides
+    @Singleton
+    MovieItemDao provideMovieItemDao(BriteDatabase db) {
+        return new MovieItemDao(db);
+    }
+}

app/src/main/java/com/tpg/movierx/db/DbOpenHelper.java

@@ -0,0 +1,57 @@
+/*
+ * Copyright (C) 2015 Square, Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.tpg.movierx.db;
+
+import android.content.Context;
+import android.database.sqlite.SQLiteDatabase;
+import android.database.sqlite.SQLiteOpenHelper;
+
+import com.tpg.movierx.db.model.MovieItem;
+
+final class DbOpenHelper extends SQLiteOpenHelper {
+    private static final int VERSION = 1;
+
+    private static final String CREATE_ITEM = ""
+            + "CREATE TABLE " + MovieItem.TABLE + "("
+            + MovieItem.ID + " INTEGER NOT NULL PRIMARY KEY,"
+            + MovieItem.TITLE + " TEXT NOT NULL,"
+            + MovieItem.PLOT + " TEXT NOT NULL,"
+            + MovieItem.ACTORS + " TEXT NOT NULL,"
+            + MovieItem.RATING + " TEXT NOT NULL,"
+            + MovieItem.POSTER + " TEXT NOT NULL"
+            + ")";
+
+    public DbOpenHelper(Context context) {
+        super(context, "favourites.db", null /* factory */, VERSION);
+    }
+
+    @Override
+    public void onCreate(SQLiteDatabase db) {
+        db.execSQL(CREATE_ITEM);
+
+        db.insert(MovieItem.TABLE, null, new MovieItem.Builder()
+                .title("Kill Bill: Vol. 1")
+                .plot("The Bride wakens from a four-year coma. The child she carried in her womb is gone. Now she must wreak vengeance on the team of assassins who betrayed her - a team she was once part of.")
+                .actors("Uma Thurman, Lucy Liu, Vivica A. Fox, Daryl Hannah")
+                .rating("8.1")
+                .poster("http://ia.media-imdb.com/images/M/MV5BMTU1NDg1Mzg4M15BMl5BanBnXkFtZTYwMDExOTc3._V1_SX300.jpg")
+                .build());
+    }
+
+    @Override
+    public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {
+    }
+}

app/src/main/java/com/tpg/movierx/db/Util.java

@@ -0,0 +1,15 @@
+package com.tpg.movierx.db;
+
+import com.tpg.movierx.db.model.MovieItem;
+
+/**
+ * Created by karoly.szanto on 11/11/15.
+ */
+public class Util {
+
+    public static final String ALL_MOVIES_QUERY = "SELECT * FROM "
+            + MovieItem.TABLE
+            + " = ? ORDER BY "
+            + MovieItem.TITLE
+            + " ASC";
+}

app/src/main/java/com/tpg/movierx/db/dao/MovieItemDao.java

@@ -0,0 +1,39 @@
+package com.tpg.movierx.db.dao;
+
+import android.content.ContentValues;
+
+import com.squareup.sqlbrite.BriteDatabase;
+import com.tpg.movierx.db.Util;
+import com.tpg.movierx.db.model.MovieItem;
+
+import java.util.List;
+
+import rx.Observable;
+
+/**
+ * Created by karoly.szanto on 17/02/16.
+ */
+public class MovieItemDao {
+
+    private final BriteDatabase db;
+
+    public MovieItemDao(final BriteDatabase db) {
+        this.db = db;
+    }
+
+    public Observable<List<MovieItem>> allMovieItems() {
+        return db.createQuery(MovieItem.TABLE, Util.ALL_MOVIES_QUERY, "1").mapToList(MovieItem.MAPPER);
+    }
+
+    public long insert(final String title, final String actors, final String plot, final String imdRating, final String poster) {
+        final ContentValues movieItem = new MovieItem.Builder()
+                .title(title)
+                .actors(actors)
+                .plot(plot)
+                .rating(imdRating)
+                .poster(poster)
+                .build();
+
+        return db.insert(MovieItem.TABLE, movieItem);
+    }
+}

app/src/main/java/com/tpg/movierx/db/model/MovieItem.java

@@ -0,0 +1,131 @@
+/*
+ * Copyright (C) 2015 Square, Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.tpg.movierx.db.model;
+
+import android.content.ContentValues;
+import android.database.Cursor;
+
+import com.tpg.movierx.db.Db;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import auto.parcel.AutoParcel;
+import rx.functions.Func1;
+
+@AutoParcel
+public abstract class MovieItem {
+    public static final String TABLE = "movie_item";
+
+    public static final String ID = "_id";
+    public static final String TITLE = "title";
+    public static final String PLOT = "plot";
+    public static final String ACTORS = "actors";
+    public static final String RATING = "rating";
+    public static final String POSTER = "poster";
+
+    public abstract long id();
+
+    public abstract String title();
+
+    public abstract String plot();
+
+    public abstract String actors();
+
+    public abstract String rating();
+
+    public abstract String poster();
+
+    public static final Func1<Cursor, MovieItem> MAPPER = cursor -> {
+        final long id = Db.getLong(cursor, ID);
+        final String title = Db.getString(cursor, TITLE);
+        final String plot = Db.getString(cursor, PLOT);
+        final String actors = Db.getString(cursor, ACTORS);
+        final String rating = Db.getString(cursor, RATING);
+        final String poster = Db.getString(cursor, POSTER);
+
+        return new AutoParcel_MovieItem(id, title, plot, actors, rating, poster);
+    };
+
+    public static final class Builder {
+        private final ContentValues values = new ContentValues();
+
+        public Builder id(long id) {
+            values.put(ID, id);
+            return this;
+        }
+
+        public Builder title(String title) {
+            values.put(TITLE, title);
+            return this;
+        }
+
+        public Builder plot(String plot) {
+            values.put(PLOT, plot);
+            return this;
+        }
+
+        public Builder actors(String actors) {
+            values.put(ACTORS, actors);
+            return this;
+        }
+
+        public Builder rating(String rating) {
+            values.put(RATING, rating);
+            return this;
+        }
+
+        public Builder poster(String poster) {
+            values.put(POSTER, poster);
+            return this;
+        }
+
+        public ContentValues build() {
+            return values;
+        }
+
+        public MovieItem buildItem() {
+
+            return new AutoParcel_MovieItem(
+                    values.getAsLong(ID),
+                    values.getAsString(TITLE),
+                    values.getAsString(PLOT),
+                    values.getAsString(ACTORS),
+                    values.getAsString(RATING),
+                    values.getAsString(POSTER)
+            );
+        }
+    }
+
+    public static List<MovieItem> createDummyMovieList(final int size) {
+        final List<MovieItem> movieItemList = new ArrayList<>();
+
+        for (int i = 0; i <= size; i++) {
+            movieItemList.add(
+                    new MovieItem.Builder()
+                            .id(i + 1)
+                            .title("Movie Title " + i)
+                            .plot("here goes a short description of the movie")
+                            .actors("Actor 1, Actor 2, Actor 3")
+                            .rating("8." + i)
+                            .poster("http://ia.media-imdb.com/images/M/MV5BMTU1NDg1Mzg4M15BMl5BanBnXkFtZTYwMDExOTc3._V1_SX300.jpg")
+                            .buildItem()
+            );
+        }
+
+        return movieItemList;
+    }
+}