Align home hero API and CMS hero editor

controllers/homeController.js

@@ -10,6 +10,7 @@ const AUDIT_ACTIONS = require("../constants/auditAction");
 
 // Các hàm hỗ trợ
 const getHomeDoc = async () => Home.findOne().sort({ updatedAt: -1 });
+const getAllHomeDocs = async () => Home.find().sort({ updatedAt: -1 });
 const getHomeData = async () => (await getHomeDoc())?.toObject() || {};
 const getOrCreateHomeDoc = async () => {
   let doc = await getHomeDoc();
@@ -21,6 +22,77 @@ const getOrCreateHomeDoc = async () => {
   return doc;
 };
 
+const hasMeaningfulValue = (value) =>
+  typeof value === "string" && value.trim().length > 0;
+
+const getMeaningfulHeroSlides = (hero = {}) => {
+  if (!Array.isArray(hero.slides)) return [];
+
+  return hero.slides.filter((slide = {}) => {
+    return (
+      hasMeaningfulValue(slide.title) ||
+      hasMeaningfulValue(slide.subtitle) ||
+      hasMeaningfulValue(slide.description) ||
+      hasMeaningfulValue(slide.heroImage) ||
+      hasMeaningfulValue(slide.videoUrl) ||
+      hasMeaningfulValue(slide.primaryButton?.label) ||
+      hasMeaningfulValue(slide.primaryButton?.href) ||
+      hasMeaningfulValue(slide.secondaryButton?.label) ||
+      hasMeaningfulValue(slide.secondaryButton?.href)
+    );
+  });
+};
+
+const scoreHeroSlides = (slides = []) =>
+  slides.reduce((score, slide = {}) => {
+    return (
+      score +
+      (slide.title || "").trim().length * 3 +
+      (slide.subtitle || "").trim().length +
+      (slide.description || "").trim().length * 2 +
+      (slide.primaryButton?.label || "").trim().length +
+      (slide.primaryButton?.href || "").trim().length +
+      (slide.secondaryButton?.label || "").trim().length +
+      (slide.secondaryButton?.href || "").trim().length +
+      (hasMeaningfulValue(slide.heroImage) ? 20 : 0) +
+      (hasMeaningfulValue(slide.videoUrl) ? 12 : 0)
+    );
+  }, 0);
+
+const scoreHeroData = (hero = {}) => {
+  const slides = getMeaningfulHeroSlides(hero);
+
+  if (slides.length > 0) {
+    return scoreHeroSlides(slides) + slides.length * 30;
+  }
+
+  return (
+    (hero.title || "").trim().length * 3 +
+    (hero.subtitle || "").trim().length +
+    (hero.description || "").trim().length * 2 +
+    (hero.primaryButton?.label || "").trim().length +
+    (hero.primaryButton?.href || "").trim().length +
+    (hero.secondaryButton?.label || "").trim().length +
+    (hero.secondaryButton?.href || "").trim().length +
+    (hasMeaningfulValue(hero.heroImage) ? 20 : 0) +
+    (hasMeaningfulValue(hero.videoUrl) ? 12 : 0)
+  );
+};
+
+const getPreferredHeroData = (docs = []) => {
+  const heroes = docs
+    .map((doc) => doc?.hero)
+    .filter(Boolean);
+
+  if (!heroes.length) return {};
+
+  return heroes.reduce((bestHero, currentHero) => {
+    return scoreHeroData(currentHero) > scoreHeroData(bestHero)
+      ? currentHero
+      : bestHero;
+  }, heroes[0]);
+};
+
 const normalizeStoredImagePath = (imagePath) => {
   if (!imagePath || typeof imagePath !== "string") return "";
 
@@ -373,9 +445,14 @@ exports.apiGetBlogs = async (req, res) => {
 };
 exports.api = async (req, res) => {
   try {
-    let data = await getHomeData();
+    const docs = await getAllHomeDocs();
+    let data = docs[0]?.toObject() || {};
     const baseUrl = `${req.protocol}://${req.get("host")}`;
 
+    if (docs.length > 1) {
+      data.hero = getPreferredHeroData(docs.map((doc) => doc.toObject()));
+    }
+
     // === Xử lý Blog Preview động ===
     const blogPreview = data.blogPreview || {};
     let blogs = [];