feat: implement comprehensive audit logging system

controllers/serviceController.js

@@ -1,6 +1,10 @@
 const { getServiceData } = require("../services/service.service");
 const Service = require("../models/service");
 const { addBaseUrlToImages, getFullImageUrl } = require("../utils/imageHelper");
+const writeAuditLog = require("../audit/writeAuditLog");
+const diffObject = require("../audit/diffObject");
+const AUDIT_ACTIONS = require("../constants/auditAction");
+
 const slugify = require("slugify");
 
 // Admin page - Service list
@@ -60,6 +64,10 @@ exports.updateService = async (req, res) => {
       return res.redirect("/admin/service");
     }
 
+    const oldItem = JSON.parse(
+      JSON.stringify(currentData.services.items[serviceIndex]),
+    );
+
     // Update service data
     const updatedData = { ...currentData.toObject?.() };
     updatedData.services.items[serviceIndex] = {
@@ -76,7 +84,20 @@ exports.updateService = async (req, res) => {
     } else {
       await Service.create(updatedData);
     }
+    const newItem = updatedData.services.items[serviceIndex];
 
+    const changes = diffObject(oldItem, newItem);
+    console.log("USER:", req.session?.user || req.user || "No user found");
+
+    await writeAuditLog({
+      model: "Service",
+      documentId: currentData._id,
+      action: AUDIT_ACTIONS.UPDATE_SERVICE,
+      before: oldItem,
+      after: newItem,
+      changes,
+      req,
+    });
     req.flash("success_msg", "Service updated successfully");
     res.redirect("/admin/service");
   } catch (err) {
@@ -169,14 +190,16 @@ exports.updateDetails = async (req, res) => {
       req.flash("error_msg", "Service not found");
       return res.redirect("/admin/service");
     }
-
+    const beforeDetails = JSON.parse(
+      JSON.stringify(currentData.services.items[serviceIndex].details || {}),
+    );
     // Parse features and FAQ from JSON strings
     const features = req.body.features ? JSON.parse(req.body.features) : [];
     const faq = req.body.faq ? JSON.parse(req.body.faq) : [];
 
     // Update service details
     const updatedData = { ...currentData.toObject?.() };
-    updatedData.services.items[serviceIndex].details = {
+    const updatedDetails = {
       title: req.body.title,
       description: req.body.description,
       mainImage: req.body.mainImage,
@@ -185,17 +208,30 @@ exports.updateDetails = async (req, res) => {
       additionalDescription: req.body.additionalDescription,
       keyFeaturesTitle: req.body.keyFeaturesTitle,
       keyFeaturesImage: req.body.keyFeaturesImage,
-      features: features,
+      features,
       faqTitle: req.body.faqTitle,
       faqImage: req.body.faqImage,
-      faq: faq,
+      faq,
     };
 
+    updatedData.services.items[serviceIndex].details = updatedDetails;
     if (currentData._id) {
       await Service.findByIdAndUpdate(currentData._id, updatedData);
     } else {
       await Service.create(updatedData);
     }
+    const changes = diffObject(beforeDetails, updatedDetails);
+    if (changes.length > 0) {
+      await writeAuditLog({
+        model: "Service",
+        documentId: currentData._id,
+        action: AUDIT_ACTIONS.UPDATE_SERVICE_DETAILS,
+        before: beforeDetails,
+        after: updatedDetails,
+        changes,
+        req,
+      });
+    }
 
     req.flash("success_msg", "Service details updated successfully");
     res.redirect(`/admin/service/${slug}/details`);