delete themes

README.md

@@ -57,7 +57,7 @@ Uncomment the two following lines to allow the application to build the whole da
 
     <!--property name="hibernate.hbm2ddl.auto" value="drop-and-create"/-->
     <!--property name="hibernate.hbm2ddl.import_files" value="META-INF/init.sql"/-->
-Restart your webserver.
+####Restart your webserver.
 
 Uncomment the line
     `<property name="hibernate.hbm2ddl.auto" value="update"/>`

src/main/java/fr/lirmm/aren/service/framadate/FDChoiceService.java

@@ -55,6 +55,4 @@ public class FDChoiceService extends AbstractService<FDChoice> {
         }
         return results.get(0);
     }
-
-
 }

src/main/java/fr/lirmm/aren/service/framadate/FDThemeService.java

@@ -1,4 +1,6 @@
 package fr.lirmm.aren.service.framadate;
+import fr.lirmm.aren.model.Comment;
+import fr.lirmm.aren.model.framadate.FDChoice;
 import fr.lirmm.aren.model.framadate.FDTheme;
 import fr.lirmm.aren.service.AbstractService;
 
@@ -45,4 +47,50 @@ public class FDThemeService extends AbstractService<FDTheme> {
         }
         return results.get(0);
     }
+
+    /**
+     *
+     * @param fdThemeId
+     */
+    public void clear(Long fdThemeId) {
+        this.transactionBegin();
+        List<FDChoice> choices = getEntityManager().createQuery("SELECT c "
+                + "FROM FDChoice c "
+                + "WHERE c.themeId.id = :fdThemeId ", FDChoice.class)
+                .setParameter("fdThemeId", fdThemeId)
+                .getResultList();
+        if (!choices.isEmpty()) {
+            for(FDChoice choice : choices){
+                this.clearVotes(choice.getId());
+            }
+        }
+        try{
+            getEntityManager().createQuery("DELETE FROM FDChoice fdChoice "
+                    + "WHERE fdChoice.themeId.id = :fdThemeId")
+                    .setParameter("fdThemeId", fdThemeId)
+                    .executeUpdate();
+
+            getEntityManager().createQuery("DELETE FROM FDTheme fdTheme "
+                    + "WHERE fdTheme.id = :fdThemeId")
+                    .setParameter("fdThemeId", fdThemeId)
+                    .executeUpdate();
+        }catch(Exception ex){
+            System.err.println("Erreur : "+ex.getMessage());
+        }
+
+        this.commit();
+    }
+
+    /**
+     *
+     * @param fdChoiceId
+     */
+    public void clearVotes(Long fdChoiceId) {
+        this.transactionBegin();
+        getEntityManager().createQuery("DELETE FROM FDVote fdVote "
+                + "WHERE fdVote.subThemeId.id = :fdChoiceId")
+                .setParameter("fdChoiceId", fdChoiceId)
+                .executeUpdate();
+        this.commit();
+    }
 }

src/main/java/fr/lirmm/aren/ws/rest/FDThemeRESTFacade.java

@@ -9,7 +9,9 @@ import javax.annotation.security.PermitAll;
 import javax.annotation.security.RolesAllowed;
 import javax.enterprise.context.RequestScoped;
 import javax.inject.Inject;
+import javax.ws.rs.DELETE;
 import javax.ws.rs.Path;
+import javax.ws.rs.PathParam;
 import java.util.Set;
 
 @RequestScoped
@@ -51,10 +53,16 @@ public class FDThemeRESTFacade extends AbstractRESTFacade<FDTheme>{
         return fdThemeService.findAll(withChoices, true);
     }
 
-    @Override
+    /**
+     * Remove all the choices and votes of a theme
+     *
+     * @param id
+     */
+    @DELETE
+    @Path("delete/{id}")
     @RolesAllowed({"ADMIN"})
-    public void remove(Long id) {
-        super.remove(id);
+    public void clear(@PathParam("id") Long id) {
+        fdThemeService.clear(id);
     }
 
     @Override