fix: Incorrect item count added

feat: Add option to change the quantity of items for stated price
feat: Add info about the original quantity of item

Author: Tiamanti

src/model/message/posted-item.js

@@ -26,7 +26,8 @@ export class PostedItemMessageModel extends WarhammerMessageModel {
     return foundry.utils.mergeObject(super.actions, {
       haggle : this._onHaggle,
       rollAvailability : this._onRollAvailability,
-      pay : this._onPay
+      pay : this._onPay,
+      quantity: this._onQuantity
     });
   }
 
@@ -88,7 +89,7 @@ export class PostedItemMessageModel extends WarhammerMessageModel {
       if(hasItem) {
         await actor.updateEmbeddedDocuments("Item", [{
           _id : hasItem.id,
-          "system.quantity.value" : hasItem.system.quantity.value + 1,
+          "system.quantity.value" : hasItem.system.quantity.value + this.itemData.system.quantity.value,
         }], {fromMessage: this.parent.id});
         ui.notifications.notify(game.i18n.format("MARKET.ItemAppended", { item: this.itemData.name, actor : actor.name, quantity: hasItem.system.quantity.value }));
       } else {
@@ -136,6 +137,20 @@ export class PostedItemMessageModel extends WarhammerMessageModel {
     this.parent.update({content, "system.itemData" : itemData});
   }
 
+  /**
+   * Increases or decreases the quantity of the item by 1
+   *
+   * @param {Event} ev Click event
+   * @param {HTMLElement} target Button/element clicked
+   */
+  static async _onQuantity(ev, target)
+  {
+    let itemData = foundry.utils.deepClone(this.itemData);
+    itemData.system.quantity.value += target.dataset.type == "up" ? 1 : -1;
+    let content = await this.constructor._renderHTMLFromItemData(itemData, this.postQuantity, this.retrievedBy);
+    this.parent.update({content, "system.itemData" : itemData});
+  }
+
   /**
    * Creates a PostedItem Message 
    * 
@@ -171,11 +186,13 @@ export class PostedItemMessageModel extends WarhammerMessageModel {
    */
   static async _renderHTMLFromItemData(itemData, postQuantity, retrievedBy=[])
   {
+    const originalItem = await fromUuid(itemData._stats.compendiumSource);
     let messageData = {
       item : itemData,
       img : itemData.img,
       properties : new Item.implementation(itemData).system.chatData(),
       postQuantity,
+      originalItemQuantity: originalItem && originalItem.system.quantity.value !== itemData.system.quantity.value ? originalItem.system.quantity.value : 0,
       retrievedBy : retrievedBy.join(", ")
     };
 

static/lang/en.json

@@ -1134,6 +1134,7 @@
     "MARKET.NotifyUserMustBePlayer": "Must be a player to click on PAY",
     "MARKET.ItemAdded" : "{item} added to {actor}",
     "MARKET.ItemAppended" : "{actor} now has {quantity} {item}s",
+    "MARKET.OriginalQuantity" : "Original item quantity for stated price:",
     "Post Quantity" : "Post Quantity",
 
     "WFRP4E.TrappingType.Weapon" : "Weapons",

static/templates/chat/post-item.hbs

@@ -8,7 +8,13 @@
     <div class="card-content">{{{item.system.description.value}}}</div>
 
     {{#if item.system.quantity}}
-    <span><strong>{{localize "Quantity"}}</strong>: {{item.system.quantity.value}}</span><br>
+    <span><strong>{{localize "Quantity"}}</strong>: {{item.system.quantity.value}}
+        <a data-action="quantity" data-type="up"><i class="fas fa-caret-up"></i></a>
+        <a data-action="quantity" data-type="down"><i class="fas fa-caret-down"></i></a>
+        {{#if  (gt originalItemQuantity 0)}}
+            <a style="opacity: 0.5" data-tooltip="{{localize "MARKET.OriginalQuantity"}} {{originalItemQuantity}}" data-tooltip-direction="UP" ><i class="fa-solid fa-circle-info"></i></a>
+        {{/if}}</span>
+        <br>
     {{/if}}
     {{#each properties as |property p|}}
     <span>{{{property}}}</span><br>