feat: Re-compute the given items cost job.

feat: Optimize the architecture.

server/src/models/InventoryCostLotTracker.js

@@ -0,0 +1,36 @@
+import { Model } from 'objection';
+import TenantModel from '@/models/TenantModel';
+
+export default class InventoryCostLotTracker extends TenantModel {
+  /**
+   * Table name
+   */
+  static get tableName() {
+    return 'inventory_cost_lot_tracker';
+  }
+
+  /**
+   * Model timestamps.
+   */
+  static get timestamps() {
+    return [];
+  }
+
+  /**
+   * Relationship mapping.
+   */
+  static get relationMappings() {
+    const Item = require('@/models/Item');
+
+    return {
+      item: {
+        relation: Model.BelongsToOneRelation,
+        modelClass: this.relationBindKnex(Item.default),
+        join: {
+          from: 'inventory_cost_lot_tracker.itemId',
+          to: 'items.id',
+        },
+      },
+    };
+  }
+}

server/src/models/InventoryLotCostTracker.js

@@ -1,18 +0,0 @@
-import { Model } from 'objection';
-import TenantModel from '@/models/TenantModel';
-
-export default class InventoryLotCostTracker extends TenantModel {
-  /**
-   * Table name
-   */
-  static get tableName() {
-    return 'inventory_cost_lot_tracker';
-  }
-
-  /**
-   * Model timestamps.
-   */
-  static get timestamps() {
-    return [];
-  }
-}

server/src/models/InventoryTransaction.js

@@ -15,4 +15,22 @@ export default class InventoryTransaction extends TenantModel {
   static get timestamps() {
     return ['createdAt', 'updatedAt'];
   }
+
+  /**
+   * Relationship mapping.
+   */
+  static get relationMappings() {
+    const Item = require('@/models/Item');
+
+    return {
+      item: {
+        relation: Model.BelongsToOneRelation,
+        modelClass: this.relationBindKnex(Item.default),
+        join: {
+          from: 'inventory_transactions.itemId',
+          to: 'items.id',
+        },
+      },
+    };
+  }
 }

server/src/models/View.js

@@ -37,6 +37,8 @@ export default class View extends mixin(TenantModel, [CachableModel]) {
       specificOrFavourite(query, viewId) {
         if (viewId) {
           query.where('id', viewId)
+        } else {
+          query.where('favourite', true);
         }
         return query;
       }

server/src/models/index.js

@@ -19,6 +19,7 @@ import View from './View';
 import ItemEntry from './ItemEntry';
 import InventoryTransaction from './InventoryTransaction';
 import AccountType from './AccountType';
+import InventoryLotCostTracker from './InventoryCostLotTracker';
 
 export {
   Customer,
@@ -41,5 +42,6 @@ export {
   View,
   ItemEntry,
   InventoryTransaction,
+  InventoryLotCostTracker,
   AccountType,
 };