From 057a034780bf8b0436bacbe66caac41468022a8e Mon Sep 17 00:00:00 2001
From: STG-LV-Havana <stg-emit-havana@livenexx.net>
Date: Wed, 19 May 2021 10:16:23 +0300
Subject: [PATCH] delete comments

---
 .../fr/lirmm/aren/service/CommentService.java | 52 +++++++++++++++++--
 .../lirmm/aren/ws/rest/CommentRESTFacade.java | 16 ++++--
 2 files changed, 59 insertions(+), 9 deletions(-)

diff --git a/src/main/java/fr/lirmm/aren/service/CommentService.java b/src/main/java/fr/lirmm/aren/service/CommentService.java
index 84b14b3..ed8f508 100644
--- a/src/main/java/fr/lirmm/aren/service/CommentService.java
+++ b/src/main/java/fr/lirmm/aren/service/CommentService.java
@@ -1,14 +1,12 @@
 package fr.lirmm.aren.service;
 
-import java.util.List;
+import java.util.*;
 
 import javax.ws.rs.NotFoundException;
 
 import fr.lirmm.aren.model.Comment;
 import fr.lirmm.aren.model.TagSet;
-import java.util.Set;
-import java.util.HashSet;
-import java.util.Iterator;
+
 import java.util.function.BiConsumer;
 import javax.enterprise.context.ApplicationScoped;
 import javax.inject.Inject;
@@ -90,6 +88,51 @@ public class CommentService extends AbstractService<Comment> {
                 .getResultList());
     }
 
+    /**
+     *
+     * @param commentId
+     * @return
+     */
+    public void clear(Long commentId) {
+        Comment comment=this.find(commentId) ;
+        super.remove(comment);
+        this.afterRemove(comment) ;
+    }
+
+    public void removeTreeComment(Long id){
+        System.out.println("id : "+id);
+        List<Comment> comments = getEntityManager().createNativeQuery("WITH RECURSIVE _comments AS ( "
+                + "SELECT id, created,argumentation,end_container,end_offset,hypostases,moderated,opinion,proposed_tags,reformulation,selection,signaled,start_container,start_offset,tags,owner_id,debate_id,parent_id "
+                +"FROM comments "
+                + "WHERE id=?1 "
+                +"UNION SELECT c.id, c.created,c.argumentation,c.end_container,c.end_offset,c.hypostases,c.moderated,c.opinion,c.proposed_tags,c.reformulation,c.selection,c.signaled,c.start_container,c.start_offset,c.tags,c.owner_id,c.debate_id,c.parent_id "
+                +"FROM comments c "
+                +"INNER JOIN _comments _coms ON _coms.id=c.parent_id"
+                +") SELECT * FROM _comments "
+                +"ORDER BY id DESC", Comment.class)
+                .setParameter(1,id)
+                .getResultList();
+
+
+        if (!comments.isEmpty()) {
+            //Collections.sort(comments, (c1, c2) -> (c1.getParent()!=null && c2.getParent()!=null)?c1.getParent().getId().compareTo(c1.getParent().getId()):-1);
+
+            for(Comment comment : comments){
+                this.deleteNotification(comment.getId()) ;
+                this.remove(comment);
+            }
+        }
+    }
+
+    private void deleteNotification(Long idComment){
+        this.transactionBegin();
+        getEntityManager().createQuery("DELETE FROM Notification notif "
+                + "WHERE notif.comment.id = :idComment")
+                .setParameter("idComment", idComment)
+                .executeUpdate();
+        this.commit();
+    }
+
     /**
      *
      * @param comment
@@ -181,4 +224,5 @@ public class CommentService extends AbstractService<Comment> {
     public void updateAllTags() {
         this.updateAllTags(null);
     }
+
 }
diff --git a/src/main/java/fr/lirmm/aren/ws/rest/CommentRESTFacade.java b/src/main/java/fr/lirmm/aren/ws/rest/CommentRESTFacade.java
index bffdcdc..2b4dc12 100644
--- a/src/main/java/fr/lirmm/aren/ws/rest/CommentRESTFacade.java
+++ b/src/main/java/fr/lirmm/aren/ws/rest/CommentRESTFacade.java
@@ -1,23 +1,22 @@
 package fr.lirmm.aren.ws.rest;
 
+import javax.annotation.security.PermitAll;
 import javax.annotation.security.RolesAllowed;
 import javax.enterprise.context.RequestScoped;
 import javax.inject.Inject;
-import javax.ws.rs.POST;
-import javax.ws.rs.Path;
+import javax.ws.rs.*;
 
 import fr.lirmm.aren.service.CommentService;
 import fr.lirmm.aren.model.Comment;
 import fr.lirmm.aren.model.TagSet;
 import fr.lirmm.aren.service.BroadcasterService;
 import fr.lirmm.aren.service.HttpRequestService;
-import javax.ws.rs.PUT;
-import javax.ws.rs.PathParam;
-import javax.ws.rs.Produces;
+
 import javax.ws.rs.core.Context;
 import javax.ws.rs.core.MediaType;
 import javax.ws.rs.sse.Sse;
 import javax.ws.rs.sse.SseEventSink;
+import java.util.Set;
 
 /**
  * JAX-RS resource class for Comments managment
@@ -127,4 +126,11 @@ public class CommentRESTFacade extends AbstractRESTFacade<Comment> {
         broadcasterService.broadcastComment(comment);
         return comment.getTags();
     }
+
+    @DELETE
+    @Path("/delete/{id}")
+    @PermitAll
+    public void findTreeById(@PathParam("id") Long id){
+        commentService.removeTreeComment(id) ;
+    }
 }