WIP: Allocate landed cost.

server/src/models/Expense.js

@@ -1,27 +1,27 @@
-import { Model } from "objection";
-import TenantModel from "models/TenantModel";
-import { viewRolesBuilder } from "lib/ViewRolesBuilder";
+import { Model } from 'objection';
+import TenantModel from 'models/TenantModel';
+import { viewRolesBuilder } from 'lib/ViewRolesBuilder';
 
 export default class Expense extends TenantModel {
   /**
    * Table name
    */
   static get tableName() {
-    return "expenses_transactions";
+    return 'expenses_transactions';
   }
 
   /**
    * Account transaction reference type.
    */
   static get referenceType() {
-    return "Expense";
+    return 'Expense';
   }
 
   /**
    * Model timestamps.
    */
   get timestamps() {
-    return ["createdAt", "updatedAt"];
+    return ['createdAt', 'updatedAt'];
   }
 
   /**
@@ -37,14 +37,19 @@ export default class Expense extends TenantModel {
   static get media() {
     return true;
   }
-  
+
   static get virtualAttributes() {
-    return ["isPublished"];
+    return ['isPublished', 'unallocatedLandedCost'];
   }
+
   isPublished() {
     return Boolean(this.publishedAt);
   }
 
+  unallocatedLandedCost() {
+    return Math.max(this.amount - this.allocatedCostAmount, 0);
+  }
+
   /**
    * Model modifiers.
    */
@@ -52,28 +57,28 @@ export default class Expense extends TenantModel {
     return {
       filterByDateRange(query, startDate, endDate) {
         if (startDate) {
-          query.where("date", ">=", startDate);
+          query.where('date', '>=', startDate);
         }
         if (endDate) {
-          query.where("date", "<=", endDate);
+          query.where('date', '<=', endDate);
         }
       },
       filterByAmountRange(query, from, to) {
         if (from) {
-          query.where("amount", ">=", from);
+          query.where('amount', '>=', from);
         }
         if (to) {
-          query.where("amount", "<=", to);
+          query.where('amount', '<=', to);
         }
       },
       filterByExpenseAccount(query, accountId) {
         if (accountId) {
-          query.where("expense_account_id", accountId);
+          query.where('expense_account_id', accountId);
         }
       },
       filterByPaymentAccount(query, accountId) {
         if (accountId) {
-          query.where("payment_account_id", accountId);
+          query.where('payment_account_id', accountId);
         }
       },
       viewRolesBuilder(query, conditionals, expression) {
@@ -94,40 +99,40 @@ export default class Expense extends TenantModel {
    * Relationship mapping.
    */
   static get relationMappings() {
-    const Account = require("models/Account");
-    const ExpenseCategory = require("models/ExpenseCategory");
-    const Media = require("models/Media");
+    const Account = require('models/Account');
+    const ExpenseCategory = require('models/ExpenseCategory');
+    const Media = require('models/Media');
 
     return {
       paymentAccount: {
         relation: Model.BelongsToOneRelation,
         modelClass: Account.default,
         join: {
-          from: "expenses_transactions.paymentAccountId",
-          to: "accounts.id",
+          from: 'expenses_transactions.paymentAccountId',
+          to: 'accounts.id',
         },
       },
       categories: {
         relation: Model.HasManyRelation,
         modelClass: ExpenseCategory.default,
         join: {
-          from: "expenses_transactions.id",
-          to: "expense_transaction_categories.expenseId",
+          from: 'expenses_transactions.id',
+          to: 'expense_transaction_categories.expenseId',
         },
       },
       media: {
         relation: Model.ManyToManyRelation,
         modelClass: Media.default,
         join: {
-          from: "expenses_transactions.id",
+          from: 'expenses_transactions.id',
           through: {
-            from: "media_links.model_id",
-            to: "media_links.media_id",
+            from: 'media_links.model_id',
+            to: 'media_links.media_id',
           },
-          to: "media.id",
+          to: 'media.id',
         },
         filter(query) {
-          query.where("model_name", "Expense");
+          query.where('model_name', 'Expense');
         },
       },
     };
@@ -139,39 +144,39 @@ export default class Expense extends TenantModel {
   static get fields() {
     return {
       payment_date: {
-        label: "Payment date",
-        column: "payment_date",
-        columnType: "date",
+        label: 'Payment date',
+        column: 'payment_date',
+        columnType: 'date',
       },
       payment_account: {
-        label: "Payment account",
-        column: "payment_account_id",
-        relation: "accounts.id",
-        optionsResource: "account",
+        label: 'Payment account',
+        column: 'payment_account_id',
+        relation: 'accounts.id',
+        optionsResource: 'account',
       },
       amount: {
-        label: "Amount",
-        column: "total_amount",
-        columnType: "number",
+        label: 'Amount',
+        column: 'total_amount',
+        columnType: 'number',
       },
       currency_code: {
-        label: "Currency",
-        column: "currency_code",
-        optionsResource: "currency",
+        label: 'Currency',
+        column: 'currency_code',
+        optionsResource: 'currency',
       },
       reference_no: {
-        label: "Reference No.",
-        column: "reference_no",
-        columnType: "string",
+        label: 'Reference No.',
+        column: 'reference_no',
+        columnType: 'string',
       },
       description: {
-        label: "Description",
-        column: "description",
-        columnType: "string",
+        label: 'Description',
+        column: 'description',
+        columnType: 'string',
       },
       published: {
-        label: "Published",
-        column: "published_at",
+        label: 'Published',
+        column: 'published_at',
       },
       status: {
         label: 'Status',
@@ -194,9 +199,9 @@ export default class Expense extends TenantModel {
         },
       },
       created_at: {
-        label: "Created at",
-        column: "created_at",
-        columnType: "date",
+        label: 'Created at',
+        column: 'created_at',
+        columnType: 'date',
       },
     };
   }