From 99f1a61cd08fbf39005b9c3346e1550ab0dafda0 Mon Sep 17 00:00:00 2001
From: Ben Thomson <git@alfreido.com>
Date: Fri, 23 Oct 2020 17:30:42 +0800
Subject: [PATCH] Create example of data table with computed column

---
 controllers/Countries.php  | 40 ++++++++++++++++++++++++++++++++++++++
 models/country/fields.yaml |  6 ++++++
 2 files changed, 46 insertions(+)

diff --git a/controllers/Countries.php b/controllers/Countries.php
index 084e2fb..16f9525 100644
--- a/controllers/Countries.php
+++ b/controllers/Countries.php
@@ -1,5 +1,6 @@
 <?php namespace October\Test\Controllers;
 
+use Input;
 use BackendMenu;
 use Backend\Classes\Controller;
 
@@ -24,4 +25,43 @@ public function __construct()
 
         BackendMenu::setContext('October.Test', 'test', 'countries');
     }
+
+    public function onGetDangerComputedValue()
+    {
+        $rowData = Input::get('rowData');
+        $dangerScore = 0;
+
+        switch ($rowData['type']) {
+            default:
+                $dangerScore += 1;
+                break;
+            case 'Minor':
+                $dangerScore += 5;
+                break;
+            case 'Major':
+                $dangerScore += 10;
+                break;
+            case 'Capital':
+                $dangerScore += 20;
+                break;
+        }
+
+        if (is_numeric($rowData['rating'])) {
+            $dangerScore += (int) $rowData['rating'];
+        }
+
+        if ($dangerScore >= 30) {
+            return 'Extremely Dangerous';
+        } else if ($dangerScore >= 20) {
+            return 'Dangerous';
+        } else if ($dangerScore >= 15) {
+            return 'Maintain Caution';
+        } else if ($dangerScore >= 10) {
+            return 'Keep Alert';
+        } else if ($dangerScore >= 5) {
+            return 'Low Risk';
+        } else {
+            return 'No Risk';
+        }
+    }
 }
diff --git a/models/country/fields.yaml b/models/country/fields.yaml
index 5c554f4..21c6687 100644
--- a/models/country/fields.yaml
+++ b/models/country/fields.yaml
@@ -124,12 +124,18 @@ tabs:
                                             validation:
                                                 required:
                                                     message: Please select a type
+                                        danger:
+                                            title: Danger Index
+                                            type: computed
+                                            dependsOn: [rating, type]
+                                            callback: onGetDangerComputedValue
         locations:
             tab: Related
             label: Locations
             prompt: Add new location
             span: full
             type: repeater
+            minItems: 1
             form:
                 fields:
                     country: