added migration seeders models and test script

app/Models/LoggableTrait.php

@@ -0,0 +1,142 @@
+<?php
+
+namespace App\Models;
+
+trait LoggableTrait
+{
+    /**
+     * Log activity after insert
+     */
+    protected function afterInsert(array $data)
+    {
+        try {
+            $this->logActivity('created', $data);
+        } catch (\Exception $e) {
+            // Silently fail to avoid breaking the main operation
+            log_message('error', 'Failed to log activity: ' . $e->getMessage());
+        }
+        return $data;
+    }
+
+    /**
+     * Log activity after update
+     */
+    protected function afterUpdate(array $data)
+    {
+        try {
+            $this->logActivity('updated', $data);
+        } catch (\Exception $e) {
+            log_message('error', 'Failed to log activity: ' . $e->getMessage());
+        }
+        return $data;
+    }
+
+    /**
+     * Log activity after delete
+     */
+    protected function afterDelete(array $data)
+    {
+        try {
+            $this->logActivity('deleted', $data);
+        } catch (\Exception $e) {
+            log_message('error', 'Failed to log activity: ' . $e->getMessage());
+        }
+        return $data;
+    }
+
+    /**
+     * Log activity to activity_logs table
+     */
+    protected function logActivity($action, $data)
+    {
+        $activityLogModel = new ActivityLogModel();
+
+        $entityType = $this->getEntityType();
+        $entityId = $data['id'] ?? $data[$this->primaryKey] ?? null;
+        $userId = $data['user_id'] ?? null;
+
+        // Try to get user from session if not in data
+        if ($userId === null && function_exists('session')) {
+            $userId = session()->get('user_id');
+        }
+
+        $logData = [
+            'user_id' => $userId,
+            'action' => $this->getActionName($action, $entityType),
+            'entity_type' => $entityType,
+            'entity_id' => $entityId,
+            'details' => json_encode($this->getLogDetails($action, $data)),
+            'ip_address' => $this->getClientIp(),
+            'user_agent' => $this->getUserAgent(),
+        ];
+
+        $activityLogModel->logActivity($logData);
+    }
+
+    /**
+     * Get entity type based on table name
+     */
+    protected function getEntityType(): string
+    {
+        $table = $this->table;
+        // Remove plural 's' if present
+        return rtrim($table, 's');
+    }
+
+    /**
+     * Get formatted action name
+     */
+    protected function getActionName($action, $entityType): string
+    {
+        return "{$entityType}_{$action}";
+    }
+
+    /**
+     * Get log details (can be overridden in models)
+     */
+    protected function getLogDetails($action, $data): array
+    {
+        $details = [
+            'action' => $action,
+        ];
+
+        // Add relevant fields based on entity type
+        if (isset($data['title'])) {
+            $details['title'] = $data['title'];
+        }
+        if (isset($data['name'])) {
+            $details['name'] = $data['name'];
+        }
+        if (isset($data['email'])) {
+            $details['email'] = $data['email'];
+        }
+
+        return $details;
+    }
+
+    /**
+     * Get client IP address
+     */
+    protected function getClientIp(): ?string
+    {
+        try {
+            $request = \Config\Services::request();
+            return $request->getIPAddress();
+        } catch (\Exception $e) {
+            return 'CLI';
+        }
+    }
+
+    /**
+     * Get user agent
+     */
+    protected function getUserAgent(): ?string
+    {
+        try {
+            $request = \Config\Services::request();
+            return $request->getUserAgent()->toString();
+        } catch (\Exception $e) {
+            return 'CLI/Script';
+        }
+    }
+}