Add folder db model

app/src/main/java/com/readrops/app/database/Database.java

@@ -8,12 +8,14 @@ import android.content.Context;
 import android.support.annotation.NonNull;
 
 import com.readrops.app.database.dao.FeedDao;
+import com.readrops.app.database.dao.FolderDao;
 import com.readrops.app.database.dao.ItemDao;
 import com.readrops.app.database.entities.Feed;
+import com.readrops.app.database.entities.Folder;
 import com.readrops.app.database.entities.Item;
 
 
-@android.arch.persistence.room.Database(entities = {Feed.class, Item.class}, version = 1, exportSchema = false)
+@android.arch.persistence.room.Database(entities = {Feed.class, Item.class, Folder.class}, version = 1, exportSchema = false)
 @TypeConverters({Converters.class})
 public abstract class Database extends RoomDatabase {
 
@@ -21,6 +23,8 @@ public abstract class Database extends RoomDatabase {
 
     public abstract ItemDao itemDao();
 
+    public abstract FolderDao folderDao();
+
     private static Database database;
 
     public static Database getInstance(Context context) {
@@ -35,9 +39,8 @@ public abstract class Database extends RoomDatabase {
         public void onCreate(@NonNull SupportSQLiteDatabase db) {
             super.onCreate(db);
 
-            /*Feed feed1 = new Feed("Le Media", "this is a description", "https://lemediapresse.fr/feed/");
-
-            new Thread(() -> database.feedDao().insert(feed1)).start();*/
+            Folder folder = new Folder("reserved");
+            new Thread(() -> database.folderDao().insert(folder)).start();
         }
 
         @Override

app/src/main/java/com/readrops/app/database/ItemWithFeed.java

@@ -4,6 +4,7 @@ import android.arch.persistence.room.ColumnInfo;
 import android.arch.persistence.room.Embedded;
 import android.support.annotation.ColorInt;
 
+import com.readrops.app.database.entities.Folder;
 import com.readrops.app.database.entities.Item;
 
 public class ItemWithFeed {
@@ -26,6 +27,9 @@ public class ItemWithFeed {
     @ColumnInfo(name = "siteUrl")
     private String websiteUrl;
 
+    @Embedded(prefix = "folder_")
+    private Folder folder;
+
     public Item getItem() {
         return item;
     }
@@ -66,6 +70,14 @@ public class ItemWithFeed {
         this.bgColor = bgColor;
     }
 
+    public Folder getFolder() {
+        return folder;
+    }
+
+    public void setFolder(Folder folder) {
+        this.folder = folder;
+    }
+
     public String getWebsiteUrl() {
         return websiteUrl;
     }

app/src/main/java/com/readrops/app/database/dao/FeedDao.java

@@ -25,10 +25,10 @@ public interface FeedDao {
     @Query("Select * from Feed Where url = :feedUrl")
     Feed getFeedByUrl(String feedUrl);
 
-    @Query("Select id from Feed Where url = :feedUrl")
-    int getFeedIdByUrl(String feedUrl);
-
     @Query("Update Feed set etag = :etag, last_modified = :lastModified Where id = :feedId")
     void updateHeaders(String etag, String lastModified, int feedId);
 
+    @Query("Update Feed set folder_id = :folderId Where id = :feedId")
+    void updateFeedFolder(int feedId, int folderId);
+
 }

app/src/main/java/com/readrops/app/database/dao/FolderDao.java

@@ -0,0 +1,20 @@
+package com.readrops.app.database.dao;
+
+import android.arch.lifecycle.LiveData;
+import android.arch.persistence.room.Dao;
+import android.arch.persistence.room.Insert;
+import android.arch.persistence.room.Query;
+
+import com.readrops.app.database.entities.Folder;
+
+import java.util.List;
+
+@Dao
+public interface FolderDao {
+
+    @Query("Select * from Folder")
+    List<Folder> getAllFolders();
+
+    @Insert
+    long insert(Folder folder);
+}

app/src/main/java/com/readrops/app/database/dao/ItemDao.java

@@ -20,7 +20,7 @@ public interface ItemDao {
     @Query("Select * from Item Order By pub_date DESC")
     LiveData<List<Item>> getAll();
 
-    @Query("Select Item.id, title, clean_description, image_link, pub_date, name, text_color, background_color, icon_url, read_time from Item Inner Join Feed on Item.feed_id = Feed.id Order By Item.id DESC")
+    @Query("Select Item.id, title, clean_description, image_link, pub_date, Feed.name, text_color, background_color, icon_url, read_time, Folder.id as folder_id, Folder.name as folder_name from Item Inner Join Feed, Folder on Item.feed_id = Feed.id And Folder.id = Feed.folder_id Order By Item.id DESC")
     LiveData<List<ItemWithFeed>> getAllItemWithFeeds();
 
     @Query("Select case When :guid In (Select guid from Item) Then 'true' else 'false' end")
@@ -32,6 +32,6 @@ public interface ItemDao {
     @Insert
     void insertAll(List<Item> items);
 
-    @Query("Select title, Item.description, content, link, pub_date, image_link, author, text_color, background_color, read_time, name, siteUrl from Item Inner Join Feed on Item.feed_id = Feed.id And Item.id = :id")
+    @Query("Select title, Item.description, content, link, pub_date, image_link, author, text_color, background_color, read_time, Feed.name, siteUrl, Folder.id as folder_id, Folder.name as folder_name from Item Inner Join Feed, Folder on Item.feed_id = Feed.id And Item.id = :id And Folder.id = Feed.folder_id")
     LiveData<ItemWithFeed> getItemById(int id);
 }

app/src/main/java/com/readrops/app/database/entities/Feed.java

@@ -3,13 +3,14 @@ package com.readrops.app.database.entities;
 
 import android.arch.persistence.room.*;
 import android.support.annotation.ColorInt;
+import android.support.annotation.Nullable;
 
 import com.readrops.readropslibrary.localfeed.atom.ATOMFeed;
 import com.readrops.readropslibrary.localfeed.json.JSONFeed;
 import com.readrops.readropslibrary.localfeed.rss.RSSChannel;
 import com.readrops.readropslibrary.localfeed.rss.RSSFeed;
 
-@Entity
+@Entity(foreignKeys = @ForeignKey(entity = Folder.class, parentColumns = "id", childColumns = "folder_id"))
 public class Feed {
 
     @PrimaryKey(autoGenerate = true)
@@ -39,6 +40,9 @@ public class Feed {
     @ColumnInfo(name = "last_modified")
     private String lastModified;
 
+    @ColumnInfo(name = "folder_id", index = true)
+    private int folderId;
+
     public Feed() {
 
     }
@@ -138,6 +142,14 @@ public class Feed {
         this.lastModified = lastModified;
     }
 
+    public int getFolderId() {
+        return folderId;
+    }
+
+    public void setFolderId(int folderId) {
+        this.folderId = folderId;
+    }
+
     public static Feed feedFromRSS(RSSFeed rssFeed) {
         Feed feed = new Feed();
         RSSChannel channel = rssFeed.getChannel();
@@ -151,6 +163,10 @@ public class Feed {
         feed.setEtag(rssFeed.getEtag());
         feed.setLastModified(rssFeed.getLastModified());
 
+        // as sqlite doesn't support null foreign keys, a default folder is linked to the feed
+        // This default folder was inserted at room db creation (see Database.java)
+        feed.setFolderId(1);
+
         return feed;
     }
 
@@ -167,6 +183,8 @@ public class Feed {
         feed.setEtag(atomFeed.getEtag());
         feed.setLastModified(atomFeed.getLastModified());
 
+        feed.setFolderId(1);
+
         return feed;
     }
 
@@ -181,6 +199,8 @@ public class Feed {
         feed.setEtag(jsonFeed.getEtag());
         feed.setLastModified(jsonFeed.getLastModified());
 
+        feed.setFolderId(1);
+
         return feed;
     }
 }

app/src/main/java/com/readrops/app/database/entities/Folder.java

@@ -0,0 +1,39 @@
+package com.readrops.app.database.entities;
+
+import android.arch.persistence.room.Entity;
+import android.arch.persistence.room.Ignore;
+import android.arch.persistence.room.PrimaryKey;
+
+@Entity
+public class Folder {
+
+    @PrimaryKey(autoGenerate = true)
+    private int id;
+
+    private String name;
+
+    public Folder() {
+
+    }
+
+    @Ignore
+    public Folder(String name) {
+        this.name = name;
+    }
+
+    public int getId() {
+        return id;
+    }
+
+    public void setId(int id) {
+        this.id = id;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+}