feat: Implement admin management for FAQ, Testimonial, and Video Gallery sections with new controllers, views, and routing.

controllers/testimonialController.js

@@ -0,0 +1,103 @@
+const { addBaseUrlToImages } = require("../utils/imageHelper");
+const Home = require("../models/home");
+
+// Get testimonial data from Home model
+const getTestimonialData = async () => {
+    const home = await Home.findOne().sort({ updatedAt: -1 });
+    if (!home || !home.testimonials) {
+        return null;
+    }
+    return home.testimonials.toObject ? home.testimonials.toObject() : home.testimonials;
+};
+
+// API to get testimonial data
+exports.api = async (req, res) => {
+    try {
+        const testimonial = await getTestimonialData();
+        if (!testimonial) {
+            return res.status(404).json({ error: "Testimonial data not found" });
+        }
+        const baseUrl =
+            process.env.BACKEND_URL || `${req.protocol}://${req.get("host")}`;
+        const processedData = addBaseUrlToImages(testimonial, baseUrl);
+        res.json(processedData);
+    } catch (err) {
+        console.error("API Error:", err);
+        res.status(500).json({ error: "Error loading testimonial data" });
+    }
+};
+
+// Render admin view
+exports.index = async (req, res) => {
+    try {
+        const data = (await getTestimonialData()) || {
+            heading: "Student Reviews & Testimonials",
+            subheading: "What Our Students Say",
+            videoUrl: "",
+            videoThumbnail: "",
+            items: [],
+        };
+
+        const frontendUrl = process.env.FRONTEND_URL;
+
+        res.render("admin/home/testimonial/index", {
+            title: "Testimonials Management",
+            layout: "layouts/main",
+            data,
+            frontendUrl,
+            currentPath: req.path,
+            user: req.session.user,
+        });
+    } catch (error) {
+        console.error("Error in testimonial index:", error);
+        req.flash("error_msg", "An error occurred while loading the page");
+        res.redirect("/admin/dashboard");
+    }
+};
+
+// Cập nhật dữ liệu testimonial (chỉ update phần testimonials của Home)
+exports.update = async (req, res) => {
+    try {
+        const { heading, subheading, videoUrl, videoThumbnail, items } = req.body;
+
+        // Parse JSON strings nếu cần
+        const parseJson = (data) => {
+            if (!data) return null;
+            if (typeof data === "string") {
+                try {
+                    return JSON.parse(data);
+                } catch (e) {
+                    return null;
+                }
+            }
+            return data;
+        };
+
+        const itemsData = parseJson(items);
+
+        // Tìm hoặc tạo Home document
+        let home = await Home.findOne().sort({ updatedAt: -1 });
+
+        if (!home) {
+            home = new Home({});
+        }
+
+        // Cập nhật chỉ phần testimonials
+        home.testimonials = {
+            heading: heading || "Student Reviews & Testimonials",
+            subheading: subheading || "What Our Students Say",
+            videoUrl: videoUrl || "",
+            videoThumbnail: videoThumbnail || "",
+            items: itemsData || [],
+        };
+
+        await home.save();
+
+        req.flash("success_msg", "Testimonials updated successfully");
+        res.redirect("/admin/home/testimonials");
+    } catch (err) {
+        console.error("Error updating testimonials:", err);
+        req.flash("error_msg", err.message || "Error updating testimonials");
+        res.redirect("/admin/home/testimonials");
+    }
+};