feat: Financial statements dependency graph calculate.

server/src/models/Account.js

@@ -9,7 +9,8 @@ import {
 import CachableQueryBuilder from '@/lib/Cachable/CachableQueryBuilder';
 import CachableModel from '@/lib/Cachable/CachableModel';
 import DateSession from '@/models/DateSession';
-
+import { flatToNestedArray } from '@/utils';
+import DependencyGraph from '@/lib/DependencyGraph';
 
 export default class Account extends mixin(TenantModel, [CachableModel, DateSession]) {
   /**
@@ -26,6 +27,25 @@ export default class Account extends mixin(TenantModel, [CachableModel, DateSess
     return CachableQueryBuilder;
   }
 
+  static query(...args) {
+    return super.query(...args).runAfter((result) => {
+      if (Array.isArray(result)) {
+        return this.isDepGraph ?
+          Account.toDependencyGraph(result) :
+          this.collection.from(result);
+      }
+      return result;
+    });
+  }
+
+  /**
+   * Convert the array result to dependency graph.
+   */
+  static depGraph() {
+    this.isDepGraph = true;
+    return this;
+  }
+
   /**
    * Model modifiers.
    */
@@ -106,4 +126,19 @@ export default class Account extends mixin(TenantModel, [CachableModel, DateSess
       accountNormal: account.type.normal,
     }))));
   }
+
+  /**
+   * Converts flatten accounts list to nested array. 
+   * @param {Array} accounts 
+   * @param {Object} options 
+   */
+  static toNestedArray(accounts, options = { children: 'children' }) {
+    return flatToNestedArray(accounts, { id: 'id', parentId: 'parentAccountId' })
+  }
+
+  static toDependencyGraph(accounts) {
+    return DependencyGraph.fromArray(
+      accounts, { itemId: 'id', parentItemId: 'parentAccountId' }
+    );
+  }
 }

server/src/models/AccountTransaction.js

@@ -1,10 +1,12 @@
-import { Model } from 'objection';
+import { Model, mixin } from 'objection';
 import moment from 'moment';
 import TenantModel from '@/models/TenantModel';
 import CachableQueryBuilder from '@/lib/Cachable/CachableQueryBuilder';
+import CachableModel from '@/lib/Cachable/CachableModel';
+import DateSession from '@/models/DateSession';
 
 
-export default class AccountTransaction extends TenantModel {
+export default class AccountTransaction extends mixin(TenantModel, [CachableModel, DateSession]) {
   /**
    * Table name
    */

server/src/models/Option.js

@@ -32,6 +32,11 @@ export default class Option extends TenantModel {
     return MetableCollection;
   }
 
+  /**
+   * Validates the given options is defined or either not.
+   * @param {Array} options 
+   * @return {Boolean}
+   */
   static validateDefined(options) {
     const notDefined = [];