fix

controllers/programmeController.js

@@ -4,6 +4,45 @@ const Programme = require("../models/programme");
 const writeAuditLog = require("../audit/writeAuditLog");
 const diffObject = require("../audit/diffObject");
 const AUDIT_ACTIONS = require("../constants/auditAction");
+const { readJsonFile, writeJsonFile } = require("../utils/jsonHelper");
+const DEFAULT_PROGRAMME_FIELDS = [
+  "Computer Science",
+  "Data Analytics",
+  "Business & Admin",
+  "Healthcare",
+  "Finance & Accounting",
+  "Marketing",
+  "Education",
+  "Engineering",
+  "Psychology",
+  "Cybersecurity",
+];
+const DEFAULT_DURATION_RANGES = [
+  "< 6 months",
+  "6-12 months",
+  "12-24 months",
+  "24-48 months",
+  "48+ months",
+];
+const DEFAULT_DEGREE_LEVELS = ["Bachelor's", "Master's"];
+
+function readProgrammeFiltersConfig() {
+  const saved = readJsonFile("programme-filters");
+  return {
+    levels:
+      saved && Array.isArray(saved.levels) && saved.levels.length > 0
+        ? saved.levels
+        : DEFAULT_DEGREE_LEVELS,
+    fields:
+      saved && Array.isArray(saved.fields) && saved.fields.length > 0
+        ? saved.fields
+        : DEFAULT_PROGRAMME_FIELDS,
+    durations:
+      saved && Array.isArray(saved.durations) && saved.durations.length > 0
+        ? saved.durations
+        : DEFAULT_DURATION_RANGES,
+  };
+}
 
 /**
  * Normalize all icon fields in the payload against the ICON_OPTIONS whitelist.
@@ -69,15 +108,24 @@ exports.edit = async (req, res) => {
   try {
     const { id } = req.params;
     let programme;
+    const filtersConfig = readProgrammeFiltersConfig();
+    const levelOptions = Array.isArray(filtersConfig.levels)
+      ? [...filtersConfig.levels]
+      : [];
+    const durationOptions = Array.isArray(filtersConfig.durations)
+      ? [...filtersConfig.durations]
+      : [];
 
     if (id === "new") {
       programme = {
         _id: null,
         id: "",
         level: "",
+        fieldOfStudy: "",
         title: "",
         description: "",
         duration: "",
+        durationInMonths: 0,
         cost: "",
         selected: false,
         link: "",
@@ -103,11 +151,19 @@ exports.edit = async (req, res) => {
         req.flash("error_msg", "Programme not found");
         return res.redirect("/admin/programme");
       }
+      if (programme.level && !levelOptions.includes(programme.level)) {
+        levelOptions.push(programme.level);
+      }
+      if (programme.duration && !durationOptions.includes(programme.duration)) {
+        durationOptions.push(programme.duration);
+      }
     }
 
     res.render("admin/programme/edit", {
       title: id === "new" ? "Add New Programme" : `Edit: ${programme.title}`,
       programme,
+      levelOptions,
+      durationOptions,
       iconOptions: ICON_OPTIONS,
       frontendUrl: process.env.FRONTEND_URL || "",
       currentPath: req.path,
@@ -145,7 +201,9 @@ exports.update = async (req, res) => {
       title:             (body.title             || "").trim(),
       description:       (body.description       || "").trim(),
       duration:          (body.duration          || "").trim(),
+      durationInMonths:  parseInt(body.durationInMonths, 10) || 0,
       cost:              (body.cost              || "").trim(),
+      fieldOfStudy:      (body.fieldOfStudy      || "").trim(),
       selected:          body.selected === "true" || body.selected === true,
       link:              (body.link              || "").trim(),
       shortName:         (body.shortName         || "").trim(),
@@ -272,6 +330,98 @@ exports.api = async (req, res) => {
   }
 };
 
+/**
+ * GET /api/programmes/filters
+ * Return filter options for FE (field of study + duration ranges + levels).
+ */
+exports.apiFilters = async (req, res) => {
+  try {
+    const data = await Programme.find().lean();
+    const cfg = readProgrammeFiltersConfig();
+
+    const normalize = (value) =>
+      String(value || "")
+        .toLowerCase()
+        .replace(/[^a-z0-9]/g, "");
+    const levels = cfg.levels.map((label) => {
+      const normalizedLabel = normalize(label);
+      const count = data.filter((p) =>
+        normalize(p.level).includes(normalizedLabel)
+      ).length;
+      return { label, count };
+    });
+
+    const fieldsMap = new Map(cfg.fields.map((f) => [f, 0]));
+    data.forEach((p) => {
+      if (p.fieldOfStudy && fieldsMap.has(p.fieldOfStudy)) {
+        fieldsMap.set(p.fieldOfStudy, (fieldsMap.get(p.fieldOfStudy) || 0) + 1);
+      }
+    });
+    const fields = [...fieldsMap.entries()].map(([label, count]) => ({ label, count }));
+
+    res.json({
+      levels,
+      fields,
+      durations: cfg.durations.map((label) => ({ label })),
+    });
+  } catch (err) {
+    console.error("programme.apiFilters:", err);
+    res.status(500).json({ error: "Error loading programme filters" });
+  }
+};
+
+/**
+ * GET /admin/programme/filters
+ * CMS page to manage programme filter options centrally.
+ */
+exports.filtersPage = async (req, res) => {
+  try {
+    const cfg = readProgrammeFiltersConfig();
+    res.render("admin/programme/filters", {
+      title: "Programme Filters",
+      filters: cfg,
+      frontendUrl: process.env.FRONTEND_URL || "",
+      currentPath: req.path,
+      user: req.session.user,
+    });
+  } catch (err) {
+    console.error("programme.filtersPage:", err);
+    req.flash("error_msg", "Error loading programme filters");
+    res.redirect("/admin/programme");
+  }
+};
+
+/**
+ * POST /admin/programme/filters
+ * Save centralized programme filters.
+ */
+exports.updateFilters = async (req, res) => {
+  try {
+    const normalizeLines = (text) =>
+      String(text || "")
+        .split(/\r?\n/)
+        .map((x) => x.trim())
+        .filter(Boolean);
+
+    const levels = normalizeLines(req.body.levels);
+    const fields = normalizeLines(req.body.fields);
+    const durations = normalizeLines(req.body.durations);
+
+    if (!levels.length || !fields.length || !durations.length) {
+      req.flash("error_msg", "Degree levels, fields and duration ranges cannot be empty.");
+      return res.redirect("/admin/programme/filters");
+    }
+
+    writeJsonFile("programme-filters", { levels, fields, durations });
+    req.flash("success_msg", "Programme filters updated successfully.");
+    res.redirect("/admin/programme/filters");
+  } catch (err) {
+    console.error("programme.updateFilters:", err);
+    req.flash("error_msg", "Error updating programme filters.");
+    res.redirect("/admin/programme/filters");
+  }
+};
+
 /**
  * GET /api/programmes/:id
  * Return a single programme matched by the slug `id` field.

data/programme-filters.json

@@ -0,0 +1,22 @@
+{
+  "levels": [
+    "Bachelor's",
+    "Master's",
+    "truong's"
+  ],
+  "fields": [
+    "Computer Science",
+    "Data Analytics",
+    "Business & Admin",
+    "Healthcare",
+    "Finance & Accounting",
+    "Marketing"
+  ],
+  "durations": [
+    "< 6 months",
+    "6-12 months",
+    "12-24 months",
+    "24-48 months",
+    "48+ months"
+  ]
+}

models/programme.js

@@ -34,7 +34,9 @@ const programmeSchema = new mongoose.Schema(
     title: { type: String, default: "" },
     description: { type: String, default: "" },
     duration: { type: String, default: "" },
+    durationInMonths: { type: Number, default: 0 },
     cost: { type: String, default: "" },
+    fieldOfStudy: { type: String, default: "" },
     selected: { type: Boolean, default: false },
     link: { type: String, default: "" },
     shortName: { type: String, default: "" },

routes/admin.js

@@ -289,6 +289,8 @@ router.get("/test-images", ensureAuthenticated, (req, res) => {
 
 // Programme Management
 router.get("/programme", ensureAuthenticated, programmeController.index);
+router.get("/programme/filters", ensureAuthenticated, programmeController.filtersPage);
+router.post("/programme/filters", ensureAuthenticated, programmeController.updateFilters);
 router.get("/programme/edit/:id", ensureAuthenticated, programmeController.edit);
 router.post("/programme/update/:id", ensureAuthenticated, upload.single('heroImage'), programmeController.update);
 router.post("/programme/delete/:id", ensureAuthenticated, programmeController.delete);

routes/index.js

@@ -93,6 +93,7 @@ router.get("/api/blog/:slug", blogController.apiShow);
 
 // Programmes API
 router.get("/api/programmes", programmeController.api);
+router.get("/api/programmes/filters", programmeController.apiFilters);
 router.get("/api/programmes/:id", programmeController.apiDetail);
 
 

views/admin/programme/edit.ejs

@@ -78,12 +78,33 @@
               </div>
               <div class="col-md-4">
                 <label class="form-label fw-medium" for="fieldLevel">Level</label>
-                <input type="text" class="form-control" id="fieldLevel" name="level" value="<%= programme.level || '' %>" placeholder="Bachelor's Degree, Master's…">
+                <select class="form-select" id="fieldLevel" name="level">
+                  <option value="">-- Select level --</option>
+                  <% (levelOptions || []).forEach(function(level) { %>
+                    <option value="<%= level %>" <%= programme.level === level ? 'selected' : '' %>><%= level %></option>
+                  <% }) %>
+                </select>
               </div>
               <div class="col-md-4">
                 <label class="form-label fw-medium" for="fieldShortName">Short Name</label>
                 <input type="text" class="form-control" id="fieldShortName" name="shortName" value="<%= programme.shortName || '' %>" placeholder="MBA, B.S., Cert…">
               </div>
+              <div class="col-md-4">
+                <label class="form-label fw-medium" for="fieldFieldOfStudy">Field of Study</label>
+                <select class="form-select" id="fieldFieldOfStudy" name="fieldOfStudy">
+                  <option value="">-- Select field --</option>
+                  <option value="Computer Science" <%= programme.fieldOfStudy === 'Computer Science' ? 'selected' : '' %>>Computer Science</option>
+                  <option value="Data Analytics" <%= programme.fieldOfStudy === 'Data Analytics' ? 'selected' : '' %>>Data Analytics</option>
+                  <option value="Business & Admin" <%= programme.fieldOfStudy === 'Business & Admin' ? 'selected' : '' %>>Business & Admin</option>
+                  <option value="Healthcare" <%= programme.fieldOfStudy === 'Healthcare' ? 'selected' : '' %>>Healthcare</option>
+                  <option value="Finance & Accounting" <%= programme.fieldOfStudy === 'Finance & Accounting' ? 'selected' : '' %>>Finance & Accounting</option>
+                  <option value="Marketing" <%= programme.fieldOfStudy === 'Marketing' ? 'selected' : '' %>>Marketing</option>
+                  <option value="Education" <%= programme.fieldOfStudy === 'Education' ? 'selected' : '' %>>Education</option>
+                  <option value="Engineering" <%= programme.fieldOfStudy === 'Engineering' ? 'selected' : '' %>>Engineering</option>
+                  <option value="Psychology" <%= programme.fieldOfStudy === 'Psychology' ? 'selected' : '' %>>Psychology</option>
+                  <option value="Cybersecurity" <%= programme.fieldOfStudy === 'Cybersecurity' ? 'selected' : '' %>>Cybersecurity</option>
+                </select>
+              </div>
               <div class="col-md-12">
                 <label class="form-label fw-medium" for="fieldTitle">Title <span class="text-danger">*</span></label>
                 <input type="text" class="form-control" id="fieldTitle" name="title" value="<%= programme.title || '' %>" required>
@@ -93,8 +114,27 @@
                 <textarea class="form-control" id="fieldDescription" name="description" rows="3"><%= programme.description || '' %></textarea>
               </div>
               <div class="col-md-4">
-                <label class="form-label fw-medium" for="fieldDuration">Duration</label>
+                <label class="form-label fw-medium" for="fieldDuration">Duration (Display)</label>
-                <input type="text" class="form-control" id="fieldDuration" name="duration" value="<%= programme.duration || '' %>" placeholder="4 Years (Flexible)">
+                <input
+                  type="text"
+                  class="form-control"
+                  id="fieldDuration"
+                  name="duration"
+                  value="<%= programme.duration || '' %>"
+                  placeholder="4 Years (Flexible)"
+                  list="durationSuggestions"
+                >
+                <datalist id="durationSuggestions">
+                  <% (durationOptions || []).forEach(function(duration) { %>
+                    <option value="<%= duration %>"></option>
+                  <% }) %>
+                </datalist>
+                <div class="form-text">Text hiển thị trên chương trình.</div>
+              </div>
+              <div class="col-md-4">
+                <label class="form-label fw-medium" for="fieldDurationInMonths">Duration (months)</label>
+                <input type="number" class="form-control" id="fieldDurationInMonths" name="durationInMonths" value="<%= programme.durationInMonths || 0 %>" min="0" placeholder="48">
+                <div class="form-text">Dùng để match vào Duration filter.</div>
               </div>
               <div class="col-md-4">
                 <label class="form-label fw-medium" for="fieldFormat">Format</label>

views/admin/programme/filters.ejs

@@ -0,0 +1,65 @@
+<div class="container">
+  <div class="d-flex justify-content-between align-items-center mt-4 mb-4 flex-wrap gap-2">
+    <div>
+      <h1 class="h3 mb-0" style="color: var(--primary-dark);">Programme Filters</h1>
+      <p class="text-muted mb-0">Manage centralized filter options used by frontend programme page.</p>
+    </div>
+    <div class="d-flex gap-2">
+      <% if (frontendUrl) { %>
+        <a href="<%= frontendUrl %>/programmes" class="btn btn-outline-primary" target="_blank" rel="noopener">
+          <i class="fas fa-external-link-alt me-2"></i>View Programmes Page
+        </a>
+      <% } %>
+      <a href="/admin/programme" class="btn btn-outline-secondary">
+        <i class="fas fa-arrow-left me-2"></i>Back to programmes
+      </a>
+    </div>
+  </div>
+
+  <form action="/admin/programme/filters" method="POST" class="card shadow-sm border-0">
+    <div class="card-body">
+      <div class="row g-4">
+        <div class="col-md-4">
+          <label class="form-label fw-medium" for="levelsInput">Degree level options</label>
+          <textarea
+            id="levelsInput"
+            name="levels"
+            class="form-control"
+            rows="14"
+            placeholder="One option per line"
+          ><%= (filters.levels || []).join('\n') %></textarea>
+          <div class="form-text">Use one line per option. Example: Bachelor's, Master's.</div>
+        </div>
+        <div class="col-md-4">
+          <label class="form-label fw-medium" for="fieldsInput">Field of Study options</label>
+          <textarea
+            id="fieldsInput"
+            name="fields"
+            class="form-control"
+            rows="14"
+            placeholder="One option per line"
+          ><%= (filters.fields || []).join('\n') %></textarea>
+          <div class="form-text">Use one line per option. These appear as checkboxes in frontend filters.</div>
+        </div>
+        <div class="col-md-4">
+          <label class="form-label fw-medium" for="durationsInput">Duration range options</label>
+          <textarea
+            id="durationsInput"
+            name="durations"
+            class="form-control"
+            rows="14"
+            placeholder="One option per line"
+          ><%= (filters.durations || []).join('\n') %></textarea>
+          <div class="form-text">Use one line per option. Example: &lt; 6 months, 12-24 months, 48+ months.</div>
+        </div>
+      </div>
+    </div>
+    <div class="card-footer bg-white border-top d-flex justify-content-end gap-2">
+      <a href="/admin/programme" class="btn btn-secondary">Cancel</a>
+      <button type="submit" class="btn btn-primary">
+        <i class="fas fa-save me-2"></i>Save Filters
+      </button>
+    </div>
+  </form>
+</div>
+

views/admin/programme/index.ejs

@@ -10,6 +10,9 @@
           <i class="fas fa-external-link-alt me-2"></i>View Programmes Page
         </a>
       <% } %>
+      <a href="/admin/programme/filters" class="btn btn-outline-secondary">
+        <i class="fas fa-filter me-2"></i>Manage Filters
+      </a>
       <a href="/admin/programme/edit/new" class="btn btn-primary shadow-sm">
         <i class="fas fa-plus me-2"></i>Add New Programme
       </a>
@@ -25,6 +28,8 @@
               <th class="ps-4" style="width:110px;">ID / Code</th>
               <th>Title</th>
               <th>Level</th>
+              <th>Field</th>
+              <th class="text-center" style="width:90px;">Months</th>
               <th>Format</th>
               <th>Cost</th>
               <th class="text-center" style="width:80px;">Courses</th>
@@ -48,6 +53,8 @@
                   <td>
                     <span class="badge bg-light text-dark border"><%= item.level || '—' %></span>
                   </td>
+                  <td class="text-muted small"><%= item.fieldOfStudy || '—' %></td>
+                  <td class="text-center text-muted small"><%= item.durationInMonths || '—' %></td>
                   <td class="text-muted small"><%= item.format || '—' %></td>
                   <td class="text-muted small"><%= item.monthlyCost || item.cost || '—' %></td>
                   <td class="text-center">
@@ -75,7 +82,7 @@
               <% }); %>
             <% } else { %>
               <tr>
-                <td colspan="8" class="text-center text-muted py-5">
+                <td colspan="10" class="text-center text-muted py-5">
                   <i class="fas fa-graduation-cap fa-2x mb-3 d-block opacity-25"></i>
                   No programmes found.
                   <a href="/admin/programme/edit/new" class="d-block mt-2">Add your first programme &rarr;</a>