WIP server side.

server/src/models/Budget.js

@@ -0,0 +1,60 @@
+import BaseModel from '@/models/Model';
+
+export default class Budget extends BaseModel {
+  /**
+   * Table name
+   */
+  static get tableName() {
+    return 'budgets';
+  }
+
+  static get virtualAttributes() {
+    return ['rangeBy', 'rangeIncrement'];
+  }
+
+  /**
+   * Model modifiers.
+   */
+  static get modifiers() {
+    return {
+      filterByYear(query, year) {
+        query.where('year', year);
+      },
+      filterByIncomeStatement(query) {
+        query.where('account_types', 'income_statement');
+      },
+      filterByProfitLoss(query) {
+        query.where('accounts_types', 'profit_loss');
+      },
+    };
+  }
+
+  get rangeBy() {
+    switch (this.period) {
+      case 'half-year':
+      case 'quarter':
+        return 'month';
+      default:
+        return this.period;
+    }
+  }
+
+  get rangeIncrement() {
+    switch (this.period) {
+      case 'half-year':
+        return 6;
+      case 'quarter':
+        return 3;
+      default:
+        return 1;
+    }
+  }
+
+  get rangeOffset() {
+    switch (this.period) {
+      case 'half-year': return 5;
+      case 'quarter': return 2;
+      default: return 0;
+    }
+  }
+}