WIP server side.

server/src/models/Expense.js

@@ -0,0 +1,86 @@
+import { Model } from 'objection';
+import BaseModel from '@/models/Model';
+
+export default class Expense extends BaseModel {
+  /**
+   * Table name
+   */
+  static get tableName() {
+    return 'expenses';
+  }
+
+  static get referenceType() {
+    return 'Expense';
+  }
+
+  /**
+   * Model modifiers.
+   */
+  static get modifiers() {
+    return {
+      filterByDateRange(query, startDate, endDate) {
+        if (startDate) {
+          query.where('date', '>=', startDate);
+        }
+        if (endDate) {
+          query.where('date', '<=', endDate);
+        }
+      },
+      filterByAmountRange(query, from, to) {
+        if (from) {
+          query.where('amount', '>=', from);
+        }
+        if (to) {
+          query.where('amount', '<=', to);
+        }
+      },
+      filterByExpenseAccount(query, accountId) {
+        if (accountId) {
+          query.where('expense_account_id', accountId);
+        }
+      },
+      filterByPaymentAccount(query, accountId) {
+        if (accountId) {
+          query.where('payment_account_id', accountId);
+        }
+      },
+    };
+  }
+
+  /**
+   * Relationship mapping.
+   */
+  static get relationMappings() {
+    const Account = require('@/models/Account');
+    const User = require('@/models/User');
+
+    return {
+      paymentAccount: {
+        relation: Model.BelongsToOneRelation,
+        modelClass: Account.default,
+        join: {
+          from: 'expenses.paymentAccountId',
+          to: 'accounts.id',
+        },
+      },
+
+      expenseAccount: {
+        relation: Model.BelongsToOneRelation,
+        modelClass: Account.default,
+        join: {
+          from: 'expenses.expenseAccountId',
+          to: 'accounts.id',
+        },
+      },
+
+      user: {
+        relation: Model.BelongsToOneRelation,
+        modelClass: User.default,
+        join: {
+          from: 'expenses.userId',
+          to: 'users.id',
+        },
+      },
+    };
+  }
+}