WIP: Allocate landed cost.

server/src/models/BillLandedCost.js

@@ -1,4 +1,5 @@
 import { Model } from 'objection';
+import { lowerCase } from 'lodash';
 import TenantModel from 'models/TenantModel';
 
 export default class BillLandedCost extends TenantModel {
@@ -16,6 +17,25 @@ export default class BillLandedCost extends TenantModel {
     return ['createdAt', 'updatedAt'];
   }
 
+  /**
+   * Virtual attributes.
+   */
+  static get virtualAttributes() {
+    return ['allocationMethodFormatted'];
+  }
+
+  /**
+   * Allocation method formatted.
+   */
+  get allocationMethodFormatted() {
+    const allocationMethod = lowerCase(this.allocationMethod);
+    const keyLabelsPairs = {
+      value: 'Value',
+      quantity: 'Quantity',
+    };
+    return keyLabelsPairs[allocationMethod] || '';
+  }
+
   /**
    * Relationship mapping.
    */

server/src/models/BillLandedCostEntry.js

@@ -1,3 +1,4 @@
+import { Model } from 'objection';
 import TenantModel from 'models/TenantModel';
 
 export default class BillLandedCostEntry extends TenantModel {
@@ -7,4 +8,25 @@ export default class BillLandedCostEntry extends TenantModel {
   static get tableName() {
     return 'bill_located_cost_entries';
   }
+
+  /**
+   * Relationship mapping.
+   */
+  static get relationMappings() {
+    const ItemEntry = require('models/ItemEntry');
+
+    return {
+      itemEntry: {
+        relation: Model.BelongsToOneRelation,
+        modelClass: ItemEntry.default,
+        join: {
+          from: 'bill_located_cost_entries.entryId',
+          to: 'items_entries.referenceId',
+        },
+        filter(builder) {
+          builder.where('reference_type', 'Bill');
+        },
+      },
+    };
+  }
 }

server/src/models/Expense.js

@@ -39,14 +39,18 @@ export default class Expense extends TenantModel {
   }
 
   static get virtualAttributes() {
-    return ['isPublished', 'unallocatedLandedCost'];
+    return ['isPublished', 'unallocatedCostAmount'];
   }
 
   isPublished() {
     return Boolean(this.publishedAt);
   }
 
-  unallocatedLandedCost() {
+  /**
+   * Retrieve the unallocated cost amount.
+   * @return {number}
+   */
+  get unallocatedCostAmount() {
     return Math.max(this.amount - this.allocatedCostAmount, 0);
   }
 

server/src/models/ExpenseCategory.js

@@ -13,14 +13,14 @@ export default class ExpenseCategory extends TenantModel {
    * Virtual attributes.
    */
   static get virtualAttributes() {
-    return ['unallocatedLandedCost'];
+    return ['unallocatedCostAmount'];
   }
 
   /**
    * Remain unallocated landed cost.
    * @return {number}
    */
-  get unallocatedLandedCost() {
+  get unallocatedCostAmount() {
     return Math.max(this.amount - this.allocatedCostAmount, 0);
   }
 

server/src/models/ItemEntry.js

@@ -21,8 +21,8 @@ export default class ItemEntry extends TenantModel {
     return ['amount'];
   }
 
-  static amount() {
-    return this.calcAmount(this);
+  get amount() {
+    return ItemEntry.calcAmount(this);
   }
 
   static calcAmount(itemEntry) {
@@ -34,6 +34,7 @@ export default class ItemEntry extends TenantModel {
 
   static get relationMappings() {
     const Item = require('models/Item');
+    const BillLandedCostEntry = require('models/BillLandedCostEntry');
 
     return {
       item: {
@@ -44,6 +45,14 @@ export default class ItemEntry extends TenantModel {
           to: 'items.id',
         },
       },
+      allocatedCostEntries: {
+        relation: Model.HasManyRelation,
+        modelClass: BillLandedCostEntry.default,
+        join: {
+          from: 'items_entries.referenceId',
+          to: 'bill_located_cost_entries.entryId',
+        },
+      },
     };
   }
 }