module/achat-vente/chat-vente.js

@@ -38,10 +38,22 @@ export class ChatVente {
     return foundry.utils.mergeObject(detail, { acheteur })
   }
 
+  static async diminuerQuantiteAchatVente(chatMessageId, quantite) {
+    const chatMessage = game.messages.get(chatMessageId)
+    const vente = ChatVente.getDetailVente(chatMessageId)
+    vente.nbLots = Math.max(0, vente.nbLots - quantite)
+    await chatMessage.setFlag(SYSTEM_RDD, NB_LOTS, vente.nbLots)
 
-  static async setDetailAchatVente(chatMessage, vente) {
+    const html = await renderTemplate('systems/foundryvtt-reve-de-dragon/templates/chat-vente-item.html', vente);
-    await chatMessage?.setFlag(SYSTEM_RDD, NB_LOTS, vente.nbLots)
+    chatMessage.update({ content: html });
-    await chatMessage?.setFlag(SYSTEM_RDD, DETAIL_VENTE, {
+    chatMessage.render(true);
+  }
+
+  static async displayAchatVente(vente) {
+    const html = await renderTemplate('systems/foundryvtt-reve-de-dragon/templates/chat-vente-item.html', vente);
+    const chatMessage = await ChatMessage.create(RdDUtility.chatDataSetup(html))
+    await chatMessage.setFlag(SYSTEM_RDD, NB_LOTS, vente.nbLots)
+    await chatMessage.setFlag(SYSTEM_RDD, DETAIL_VENTE, {
       item: vente.item,
       properties: vente.item.getProprietes(),
       vendeurId: vente.vendeurId,
@@ -50,21 +62,4 @@ export class ChatVente {
       prixLot: vente.prixLot
     })
   }
-
-  static async diminuerQuantite(chatMessageId, quantite) {
-    const chatMessage = game.messages.get(chatMessageId)
-    const vente = ChatVente.getDetailVente(chatMessageId)
-    vente.nbLots = Math.max(0, vente.nbLots - quantite)
-    await chatMessage?.setFlag(SYSTEM_RDD, NB_LOTS, vente.nbLots)
-
-    const html = await renderTemplate('systems/foundryvtt-reve-de-dragon/templates/chat-vente-item.html', vente);
-    chatMessage.update({ content: html });
-    chatMessage.render(true);
-  }
-
-  static async displayAchatVente(venteData) {
-    const html = await renderTemplate('systems/foundryvtt-reve-de-dragon/templates/chat-vente-item.html', venteData);
-    const chatMessage = await ChatMessage.create(RdDUtility.chatDataSetup(html))
-    await ChatVente.setDetailAchatVente(chatMessage, venteData)
-  }
 }

module/actor.js

@@ -2626,13 +2626,13 @@ export class RdDActor extends RdDBaseActorSang {
 
   /* -------------------------------------------- */
   async resetItemUse() {
-    await this.unsetFlag(SYSTEM_RDD, 'itemUse');
     await this.setFlag(SYSTEM_RDD, 'itemUse', {});
   }
 
   /* -------------------------------------------- */
   async incDecItemUse(itemId, inc = 1) {
-    let itemUse = foundry.utils.duplicate(this.getFlag(SYSTEM_RDD, 'itemUse') ?? {});
+    const currentItemUse = this.getFlag(SYSTEM_RDD, 'itemUse');
+    let itemUse = currentItemUse ? foundry.utils.duplicate(currentItemUse) : {};
     itemUse[itemId] = (itemUse[itemId] ?? 0) + inc;
     await this.setFlag(SYSTEM_RDD, 'itemUse', itemUse);
     console.log("ITEM USE INC", inc, itemUse);

module/actor/base-actor.js

@@ -32,10 +32,10 @@ export class RdDBaseActor extends Actor {
   }
 
   static init() {
-    Hooks.on("preUpdateItem", (item, change, options, id) => RdDBaseActor.getParentActor(item)?.onPreUpdateItem(item, change, options, id));
+    Hooks.on("preUpdateItem", (item, change, options, id) => Misc.documentIfResponsible(item.parent)?.onPreUpdateItem(item, change, options, id))
-    Hooks.on("createItem", (item, options, id) => RdDBaseActor.getParentActor(item)?.onCreateItem(item, options, id));
+    Hooks.on("createItem", (item, options, id) => Misc.documentIfResponsible(item.parent)?.onCreateItem(item, options, id))
-    Hooks.on("deleteItem", (item, options, id) => RdDBaseActor.getParentActor(item)?.onDeleteItem(item, options, id));
+    Hooks.on("deleteItem", (item, options, id) => Misc.documentIfResponsible(item.parent)?.onDeleteItem(item, options, id))
-    Hooks.on("updateActor", (actor, change, options, actorId) => actor.onUpdateActor(change, options, actorId));
+    Hooks.on("updateActor", (actor, change, options, actorId) => Misc.documentIfResponsible(actor)?.onUpdateActor(change, options, actorId))
   }
 
   static onSocketMessage(sockmsg) {
@@ -82,10 +82,6 @@ export class RdDBaseActor extends Actor {
 
   static extractActorMin = (actor) => { return { id: actor?.id, type: actor?.type, name: actor?.name, img: actor?.img }; };
 
-  static getParentActor(document) {
-    return document?.parent instanceof Actor ? document.parent : undefined
-  }
-
   /**
    * Cette methode surcharge Actor.create() pour ajouter si besoin des Items par défaut:
    * compétences et monnaies.
@@ -381,7 +377,7 @@ export class RdDBaseActor extends Actor {
         ChatUtility.removeChatMessageId(achat.chatMessageIdVente);
       }
       else if (achat.chatMessageIdVente) {
-        await ChatVente.diminuerQuantite(achat.chatMessageIdVente, achat.choix.nombreLots)
+        await ChatVente.diminuerQuantiteAchatVente(achat.chatMessageIdVente, achat.choix.nombreLots)
       }
     }
   }

module/chat-utility.js

@@ -149,14 +149,13 @@ export class ChatUtility {
   }
 
   static async setMessageData(chatMessage, key, flag) {
-    if (flag) {
+    if (flag && chatMessage.isAuthor) {
-      await chatMessage.setFlag(SYSTEM_RDD, key, JSON.stringify(flag));
+      await chatMessage.setFlag(SYSTEM_RDD, key, flag)
     }
   }
 
   static getMessageData(chatMessage, key) {
-    const json = chatMessage.getFlag(SYSTEM_RDD, key);
+    return chatMessage.getFlag(SYSTEM_RDD, key);
-    return json ? JSON.parse(json) : undefined;
   }
 
   static getChatMessage(event) {
@@ -175,6 +174,8 @@ export class ChatUtility {
   }
 
   static async onCreateChatMessage(chatMessage, options, id) {
+    if (chatMessage.isAuthor) {
       await chatMessage.setFlag(SYSTEM_RDD, 'rdd-timestamp', game.system.rdd.calendrier.getTimestamp());
     }
+  }
 }

module/misc.js

@@ -166,15 +166,39 @@ export class Misc {
   }
 
   static firstConnectedGM() {
-    return game.users.filter(u => u.isGM && u.active).sort(Misc.ascending(u => u.id)).find(u => u.isGM && u.active);
+    return game.users.sort(Misc.ascending(u => u.id)).find(u => u.isGM && u.active);
+  }
+  static connectedGMs() {
+    return game.users.filter(u => u.isGM && u.active);
   }
 
-  static isOwnerPlayer(actor, user = undefined) {
+  /**
-    return actor.testUserPermission(user ?? game.user, CONST.DOCUMENT_PERMISSION_LEVELS.OWNER)
+   * This helper method allows to get the docuument, for a single user (either first connected GM, or the owner
+   * if there is no connected GMs), or else return undefined.
+   * 
+   * This allows for example update hooks that should apply modifications to actors to be called only for one
+   * user (preventing the "User ... lacks permission to update Item" that was occuring on hooks when Item updates
+   * were triggering other changes)
+   * 
+   * @param {*} document the Document with is potentially an Actor
+   * @returns the actor if either the game.user is the first connected GM, or if the game.user is the owner
+   *  and there is no connected GM
+   */
+  static documentIfResponsible(document) {
+    if (document instanceof Document) {
+      if (Misc.isUniqueConnectedGM() || (Misc.connectedGMs().length == 0 && Misc.isOwnerPlayer(document))) {
+        return document
+      }
+    }
+    return undefined
   }
 
-  static isOwnerPlayerOrUniqueConnectedGM(actor, user = undefined) {
+  static isOwnerPlayer(actor) {
-    return Misc.isOwnerPlayer(actor, user) ?? Misc.isUniqueConnectedGM();
+    return actor.testUserPermission(game.user, CONST.DOCUMENT_PERMISSION_LEVELS.OWNER)
+  }
+
+  static isOwnerPlayerOrUniqueConnectedGM(actor) {
+    return Misc.isOwnerPlayer(actor) ?? Misc.isUniqueConnectedGM();
   }
 
   /**