(db) create CRUD model

app/src/main/java/com/keylesspalace/tusky/db/AppDatabase.java

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+package com.keylesspalace.tusky.db;
+
+import android.arch.persistence.room.Database;
+import android.arch.persistence.room.RoomDatabase;
+
+/**
+ * Created by cto3543 on 28/06/2017.
+ */
+
+@Database(entities = {TootEntity.class}, version = 2, exportSchema = false)
+abstract public class AppDatabase extends RoomDatabase {
+    public abstract TootDao tootDao();
+}

app/src/main/java/com/keylesspalace/tusky/db/MediaEntity.java

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+package com.keylesspalace.tusky.db;
+
+import android.arch.persistence.room.ColumnInfo;
+import android.arch.persistence.room.Entity;
+import android.arch.persistence.room.PrimaryKey;
+
+/**
+ * Created by cto3543 on 28/06/2017.
+ */
+
+@Entity
+public class MediaEntity {
+    @PrimaryKey
+    private int uid;
+
+    @ColumnInfo(name = "url")
+    private String text;
+}

app/src/main/java/com/keylesspalace/tusky/db/TootDao.java

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+package com.keylesspalace.tusky.db;
+
+import android.arch.persistence.room.Dao;
+import android.arch.persistence.room.Delete;
+import android.arch.persistence.room.Insert;
+import android.arch.persistence.room.Query;
+
+import java.util.List;
+
+/**
+ * Created by cto3543 on 28/06/2017.
+ */
+
+@Dao
+public interface TootDao {
+    @Query("SELECT * FROM TootEntity")
+    List<TootEntity> loadAll();
+
+    @Query("SELECT * FROM TootEntity WHERE uid IN (:uid)")
+    List<TootEntity> loadAllByUserId(int... uid);
+
+    @Insert
+    long insert(TootEntity users);
+
+    @Insert
+    void insertAll(TootEntity... users);
+
+    @Delete
+    void delete(TootEntity user);
+}

app/src/main/java/com/keylesspalace/tusky/db/TootEntity.java

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+package com.keylesspalace.tusky.db;
+
+import android.arch.persistence.room.ColumnInfo;
+import android.arch.persistence.room.Entity;
+import android.arch.persistence.room.PrimaryKey;
+
+/**
+ * Created by cto3543 on 28/06/2017.
+ */
+
+@Entity
+public class TootEntity {
+    @PrimaryKey(autoGenerate = true)
+    private int uid;
+
+    @ColumnInfo(name = "text")
+    private String text;
+
+    // set get
+    public String getText() {
+        return text;
+    }
+
+    public void setText(String text) {
+        this.text = text;
+    }
+
+    public int getUid() {
+        return uid;
+    }
+
+    public void setUid(int uid) {
+        this.uid = uid;
+    }
+}