diff --git a/backend/web/server/plugins/aftral-lms/block.js b/backend/web/server/plugins/aftral-lms/block.js
index 3759323d77..470489c7b4 100644
--- a/backend/web/server/plugins/aftral-lms/block.js
+++ b/backend/web/server/plugins/aftral-lms/block.js
@@ -4,8 +4,9 @@ const mongoose=require('mongoose')
 const Progress = require("../../models/Progress")
 const { BLOCK_STATUS_CURRENT, BLOCK_STATUS_FINISHED, BLOCK_STATUS_TO_COME, BLOCK_STATUS_UNAVAILABLE, ACHIEVEMENT_RULE_CHECK, ROLE_CONCEPTEUR } = require("./consts");
 const { getBlockResources } = require("./resources");
-const { idEqual, loadFromDb } = require("../../utils/database");
+const { idEqual, loadFromDb, getModel } = require("../../utils/database");
 const Block = require("../../models/Block");
+const User = require("../../models/User");
 
 const NAMES_CACHE=new NodeCache()
 
@@ -305,21 +306,65 @@ getSession = async (userId, params, data) => {
   }
 }
 
-const isBlockLiked = async (userId, params, data) => {
-  const likes = data.likes.map(l=> l._id)
-  return likes.includes(userId)
+const getBlockLiked = async (userId, params, data) => {
+  const user = await User.findById(userId, {role:1})
+  if(user.role == ROLE_CONCEPTEUR) {
+    return data.likes.length > 0
+  }
+  return data.likes.some(like => idEqual(like._id, userId))
+}
+
+const getBlockDisliked = async (userId, params, data) => {
+  const user = await User.findById(userId, {role:1})
+  if(user.role == ROLE_CONCEPTEUR) {
+    return data.dislikes.length > 0
+  }
+  return data.dislikes.some(dislike => idEqual(dislike._id, userId))
+}
+
+const setBlockLiked = ({ id, attribute, value, user }) => {
+  if(value) {
+    return mongoose.models['resource'].findByIdAndUpdate(id,
+      {
+        $pull: {
+          dislikes: user._id
+        }, 
+        $addToSet: {
+          likes: user._id
+        }
+      }
+    )
+  }
+  else{
+    return mongoose.models['resource'].findByIdAndUpdate(id,
+      {$pull: {likes: user._id}})
+  }
 }
 
-const isBlockDisliked = async (userId, params, data) => {
-  const dislikes = data.dislikes.map(l=> l._id)
-  return dislikes.includes(userId)
+const setBlockDisliked = ({ id, attribute, value, user }) => { 
+  if(value) {
+    return mongoose.models['block'].findByIdAndUpdate(id,
+      {
+        $pull: {
+          likes: user._id
+        }, 
+        $addToSet: {
+          dislikes: user._id
+        }
+      }
+    )
+  }
+  else{
+    return mongoose.models['block'].findByIdAndUpdate(id,
+      {$pull: {dislikes: user._id}})
+  }
 }
 
 module.exports={
   getBlockStatus, getBlockName, getSessionBlocks, setParentSession, 
   cloneTree, getAttribute, LINKED_ATTRIBUTES, onBlockFinished, onBlockCurrent, onBlockAction,
   getNextResource, getPreviousResource, getParentBlocks,LINKED_ATTRIBUTES_CONVERSION,
-  ChainCache, ATTRIBUTES_CACHE,getSession, isBlockDisliked, isBlockLiked
+  ChainCache, ATTRIBUTES_CACHE,getSession, getBlockLiked, getBlockDisliked, setBlockLiked, setBlockDisliked
 }
 
 
diff --git a/backend/web/server/plugins/aftral-lms/functions.js b/backend/web/server/plugins/aftral-lms/functions.js
index fd96f9cb69..a03e72c3dd 100644
--- a/backend/web/server/plugins/aftral-lms/functions.js
+++ b/backend/web/server/plugins/aftral-lms/functions.js
@@ -18,7 +18,7 @@ require('../../models/Chapter') //Added chapter, it was removed somehow
 const { computeStatistics } = require('./statistics')
 const { searchUsers, searchBlocks } = require('./search')
 const { getUserHomeworks, getResourceType, getAchievementRules, getBlockSpentTime, getBlockSpentTimeStr, getResourcesCount, getFinishedResourcesCount, getRessourceSession } = require('./resources')
-const { getBlockStatus, setParentSession, getAttribute, LINKED_ATTRIBUTES, onBlockAction, LINKED_ATTRIBUTES_CONVERSION, getSession, isBlockLiked, isBlockDisliked} = require('./block')
+const { getBlockStatus, setParentSession, getAttribute, LINKED_ATTRIBUTES, onBlockAction, LINKED_ATTRIBUTES_CONVERSION, getSession} = require('./block')
 const { getResourcesProgress } = require('./resources')
 const { getResourceAnnotation } = require('./resources')
 const { setResourceAnnotation } = require('./resources')
@@ -35,6 +35,10 @@ const { getTraineeResources } = require('./user')
 const { isMine } = require('./message')
 const { DURATION_UNIT } = require('./consts')
 const { isLiked } = require('./post')
+const { getBlockLiked } = require('./block')
+const { getBlockDisliked } = require('./block')
+const { setBlockLiked } = require('./block')
+const { setBlockDisliked } = require('./block')
 
 const GENERAL_FEED_ID='FFFFFFFFFFFFFFFFFFFFFFFF'
 
@@ -77,8 +81,8 @@ BLOCK_MODELS.forEach(model => {
   declareVirtualField({model, field: 'likes_count', instance: 'Number', requires:'likes'})
   declareVirtualField({model, field: 'dislikes_count', instance: 'Number', requires:'dislikes'})
 
-  declareComputedField({model, field: 'liked', getterFn: isBlockLiked, requires:'likes'})
-  declareComputedField({model, field: 'disliked', getterFn: isBlockDisliked, requires:'dislikes'})
+  declareComputedField({model, field: 'liked', getterFn: getBlockLiked, setterFn: setBlockLiked, requires:'likes'})
+  declareComputedField({model, field: 'disliked', getterFn: getBlockDisliked, setterFn: setBlockDisliked, requires:'dislikes'})
 })
 
 declareEnumField({model: 'homework', field: 'scale', enumValues: SCALE})
@@ -123,13 +127,6 @@ declareVirtualField({model:'post', field: 'comments_count', instance: 'Number',
 declareVirtualField({model:'post', field: 'likes_count', instance: 'Number', requires:'likes'})
 declareComputedField({model: 'post', field: 'liked', getterFn: isLiked, requires:'likes'})
 
-//Resources 
-declareVirtualField({model: 'resource', field: 'likes_count', instance: 'Number', requires:'likes'})
-declareVirtualField({model: 'resource', field: 'dislikes_count', instance: 'Number', requires:'dislikes'})
-
-declareComputedField({model: 'resource', field: 'liked', getterFn: isBlockLiked, requires:'likes'})
-declareComputedField({model: 'resource', field: 'disliked', getterFn: isBlockDisliked, requires:'dislikes'})
-//Resources end
 const preCreate = async ({model, params, user}) => {
   params.creator=params.creator || user._id
   params.last_updater=user._id
@@ -202,7 +199,7 @@ const prePut = async ({model, id, params, user, skip_validation}) => {
         throw new Error(`Le type de ressource ne peut changer`)
       }
       params.achievement_rule=DEFAULT_ACHIEVEMENT_RULE[params.resource_type]
-      params.achievement_status = block.achievement_status
+      // params.achievement_status = block.achievement_status
     }
   }
   if (model=='post'){
@@ -217,23 +214,6 @@ const prePut = async ({model, id, params, user, skip_validation}) => {
       )}
   }
 
-  if (['block', 'resource'].includes(model)){
-    if(params.liked == true) {
-      await Resource.updateOne({_id:id},{$pull: {dislikes: user._id}, $addToSet: {likes: user._id}})
-      params.disliked = false
-    }
-    if(params.liked == false){
-      await Resource.updateOne({_id: id}, {$pull: {likes: user._id}})
-    }
-    if(params.disliked == true) {
-      await Resource.updateOne({_id:id},{$pull: {likes: user._id}, $addToSet: {dislikes: user._id}})
-      params.liked = false
-    }
-    if(params.disliked == false){
-      await Resource.updateOne({_id: id}, {$pull: {dislikes: user._id}})
-    }
-  }
-
   if(model == `program`) {
     const program = await Program.findById(id)
     params.codes = program.codes
diff --git a/backend/web/server/plugins/aftral-lms/schemas/ResourceSchema.js b/backend/web/server/plugins/aftral-lms/schemas/ResourceSchema.js
index 9124e5b456..86d29a63c2 100644
--- a/backend/web/server/plugins/aftral-lms/schemas/ResourceSchema.js
+++ b/backend/web/server/plugins/aftral-lms/schemas/ResourceSchema.js
@@ -22,40 +22,6 @@ const ResourceSchema = new Schema({
   mine: {
     type: Boolean,
   },
-  liked: {
-    type: Boolean,
-    required: true,
-    default: false,
-  },
-  disliked: {
-    type: Boolean,
-    default: false,
-    required: true,
-  },
-  likes:{ 
-    type: [{
-      type: Schema.Types.ObjectId,
-      ref: 'user',
-    }],
-    required: true,
-    default: []
-  },
-  dislikes:{ 
-    type: [{
-      type: Schema.Types.ObjectId,
-      ref: 'user',
-    }],
-    required: true,
-    default: []
-  },
 }, {...schemaOptions, ...BLOCK_DISCRIMINATOR})
 
-ResourceSchema.virtual('likes_count', DUMMY_REF).get(function(){
-  return this.likes.length || 0
-})
-
-ResourceSchema.virtual('dislikes_count', DUMMY_REF).get(function(){
-  return this.dislikes.length || 0
-})
-
 module.exports = ResourceSchema
diff --git a/backend/web/tests/aftral-lms/resource.test.js b/backend/web/tests/aftral-lms/resource.test.js
index b2b16dd1ab..c22ee9f27d 100644
--- a/backend/web/tests/aftral-lms/resource.test.js
+++ b/backend/web/tests/aftral-lms/resource.test.js
@@ -15,7 +15,6 @@ const { updateAllDurations, updateDuration, lockSession } = require('../../serve
 require('../../server/plugins/aftral-lms/actions')
 const Block = require('../../server/models/Block')
 const { ACTIONS } = require('../../server/utils/studio/actions')
-const Duration = require('../../server/models/Duration')
 const { SseKmsEncryptedObjectsStatus } = require('@aws-sdk/client-s3')
 
 
@@ -49,4 +48,9 @@ describe('Test models computations', () => {
     expect(trainer_load.find(r => /desig/i.test(r.name)).mine).toBe(false)
   })
 
+  it.only('must tell if i liked resource or not', async () => {
+    const user = await User.findOne({role:ROLE_APPRENANT})
+    const [resource] = await loadFromDb({model:'resource',id:'66b60f473f1ec37a3a4cd961', user, fields:['liked','disliked','_locked']})
+    console.log(resource)
+  })
 })
diff --git a/studio-test/package.json b/studio-test/package.json
index ee2f397a83..80611126a7 100644
--- a/studio-test/package.json
+++ b/studio-test/package.json
@@ -42,6 +42,7 @@
     "next": "^12.3.1",
     "next-routes": "^1.4.2",
     "pdf-lib": "^1.17.1",
+    "process": "^0.11.10",
     "react": "^18.2.0",
     "react-chartjs-2": "^5.2.0",
     "react-dom": "^18.2.0",
diff --git a/studio-test/yarn.lock b/studio-test/yarn.lock
index c25046bc05..885aade0e5 100644
--- a/studio-test/yarn.lock
+++ b/studio-test/yarn.lock
@@ -4401,6 +4401,11 @@ process-nextick-args@~2.0.0:
   resolved "https://registry.yarnpkg.com/process-nextick-args/-/process-nextick-args-2.0.1.tgz#7820d9b16120cc55ca9ae7792680ae7dba6d7fe2"
   integrity sha512-3ouUOpQhtgrbOa17J7+uxOTpITYWaGP7/AhoR3+A+/1e9skrzelGi/dXzEYyvbxubEF6Wn2ypscTKiKJFFn1ag==
 
+process@^0.11.10:
+  version "0.11.10"
+  resolved "https://registry.yarnpkg.com/process/-/process-0.11.10.tgz#7332300e840161bda3e69a1d1d91a7d4bc16f182"
+  integrity sha512-cdGef/drWFoydD1JsMzuFf8100nZl+GT+yacc2bEced5f9Rjk4z+WtFUTBu9PhOi9j/jfmBPu0mMEY4wIdAF8A==
+
 prop-types@^15.6.0, prop-types@^15.6.2, prop-types@^15.8.1:
   version "15.8.1"
   resolved "https://registry.yarnpkg.com/prop-types/-/prop-types-15.8.1.tgz#67d87bf1a694f48435cf332c24af10214a3140b5"