I have a Post entity that has a files attribute :
@Entity
public class Post extends Model {
@Id
private long id;
@ManyToOne
private PostType postType;
@ManyToOne
private User user;
@ManyToOne
private Category category;
@OneToMany (cascade = CascadeType.PERSIST)
private List<ImageLink> files;
private String description;
private int likes;
private int messages;
private boolean liked;
private boolean saved;
private Date timesTamp;
//getters and setters
}
I try to get the attribute files after passing a RawSql (in which I also get other attributes) :
public Result test(){
long user_id = 1;
String sql =
"SELECT p.id, p.description, p.likes, p.times_tamp, u.id, " +
"u.name, u.phone, u.profile_url, u.rate, u.rate_count, c.id, " +
"EXISTS ( " +
"SELECT * " +
"FROM likes " +
"WHERE p.id = likes.post_id " +
"AND likes.user_id = "+user_id +
") AS liked "+
"FROM post p " +
"JOIN user_ u ON u.id = p.user_id "+
"JOIN category c ON c.id = p.category_id";
RawSql rawSql = RawSqlBuilder
.parse(sql)
.tableAliasMapping("u", "user")
.columnMapping("c.id", "category.id")
.create();
List<TestEntity> data = TestEntity.finder
.query()
.setRawSql(rawSql)
.fetch("files.image", "url")
.findList();
return ok(Ebean.json().toJson(data));
}
The problem is that when I return the query result using Ebean.json().tojson(data), the files attribute is not returned. This is the result returned :
{
"id": 1,
"user": {
"id": 18,
"name": "smozi_shop",
"phone": "+22969298229",
"profileUrl": null,
"rate": 0.0,
"rateCount": 0
},
"category": {
"id": 1
},
"description": "smozi",
"likes": 1,
"liked": false,
"timesTamp": 1575956493968
}
Noted that when I use json.toJson(data) to return the result, it returns all the attributes of the Post entity I could use the json.toJson(data) but it will be heavy to load data on the network.
I want to retrieve (select) only needed attributes (including the files attribute).
Thank you
Finaly i fix it using Ebean.PathProperties
PathProperties fetchPath = new PathProperties();
fetchPath.addToPath("imagesLinks", "image");
fetchPath.addToPath("imagesLinks.image", "url");
return ok(Ebean.json().toJson(data, fetchPath));
I hope it will help those who have the same probleme. If there is another way to do it, i would be delighted to read you ;)