feat: Add blog category, blog, and tag controllers with CRUD operations

2026-02-02 17:01:42 +07:00
parent d1b931d547
commit f531cc4a92
3 changed files with 1024 additions and 0 deletions
--- a/controllers/blogCategoryController.js
+++ b/controllers/blogCategoryController.js
@@ -0,0 +1,231 @@
+const BlogCategory = require('../models/blogCategory');
+
+// -------------------- Admin Controllers --------------------
+
+// Display category management page
+exports.index = async (req, res) => {
+  try {
+    const categories = await BlogCategory.find()
+      .sort({ name: 1 })
+      .lean();
+    
+    res.render('admin/blog/categories/index', {
+      layout: 'layouts/main',
+      title: 'Blog Categories',
+      categories,
+      currentPath: req.path,
+      user: req.session.user
+    });
+  } catch (err) {
+    console.error('Category index error:', err);
+    req.flash('error_msg', 'Error loading categories');
+    res.redirect('/admin/dashboard');
+  }
+};
+
+// Show create category form
+exports.create = async (req, res) => {
+  try {
+    res.render('admin/blog/categories/create', {
+      layout: 'layouts/main',
+      title: 'Create New Category',
+      currentPath: req.path,
+      user: req.session.user
+    });
+  } catch (err) {
+    console.error('Category create form error:', err);
+    req.flash('error_msg', 'Error loading create form');
+    res.redirect('/admin/blog/categories');
+  }
+};
+
+// Store new category
+exports.store = async (req, res) => {
+  try {
+    const {
+      name,
+      description,
+      isActive
+    } = req.body;
+    
+    // Generate slug
+    const slug = name
+      .toLowerCase()
+      .replace(/[^a-z0-9\s-]/g, '')
+      .replace(/\s+/g, '-')
+      .replace(/-+/g, '-')
+      .trim('-');
+    
+    // Check if slug exists
+    const existingCategory = await BlogCategory.findOne({ slug });
+    if (existingCategory) {
+      req.flash('error_msg', 'A category with this name already exists');
+      return res.redirect('/admin/blog/categories/create');
+    }
+    
+    // Create category data
+    const categoryData = {
+      name,
+      slug,
+      description,
+      isActive: isActive === 'on'
+    };
+    
+    // Create category
+    const category = new BlogCategory(categoryData);
+    await category.save();
+    
+    req.flash('success_msg', 'Category created successfully');
+    res.redirect('/admin/blog/categories');
+  } catch (err) {
+    console.error('Category store error:', err);
+    req.flash('error_msg', 'Error creating category');
+    res.redirect('/admin/blog/categories/create');
+  }
+};
+
+// Show edit category form
+exports.edit = async (req, res) => {
+  try {
+    const category = await BlogCategory.findById(req.params.id);
+    
+    if (!category) {
+      req.flash('error_msg', 'Category not found');
+      return res.redirect('/admin/blog/categories');
+    }
+    
+    res.render('admin/blog/categories/edit', {
+      layout: 'layouts/main',
+      title: 'Edit Category',
+      category,
+      currentPath: req.path,
+      user: req.session.user
+    });
+  } catch (err) {
+    console.error('Category edit form error:', err);
+    req.flash('error_msg', 'Error loading category');
+    res.redirect('/admin/blog/categories');
+  }
+};
+
+// Update category
+exports.update = async (req, res) => {
+  try {
+    const category = await BlogCategory.findById(req.params.id);
+    
+    if (!category) {
+      req.flash('error_msg', 'Category not found');
+      return res.redirect('/admin/blog/categories');
+    }
+    
+    const {
+      name,
+      description,
+      isActive
+    } = req.body;
+    
+    // Update category data
+    category.name = name;
+    category.description = description;
+    category.isActive = isActive === 'on';
+    
+    // Generate new slug if name changed
+    const newSlug = name
+      .toLowerCase()
+      .replace(/[^a-z0-9\s-]/g, '')
+      .replace(/\s+/g, '-')
+      .replace(/-+/g, '-')
+      .trim('-');
+    
+    if (newSlug !== category.slug) {
+      const existingCategory = await BlogCategory.findOne({ 
+        slug: newSlug, 
+        _id: { $ne: category._id } 
+      });
+      if (existingCategory) {
+        req.flash('error_msg', 'A category with this name already exists');
+        return res.redirect(`/admin/blog/categories/${category._id}/edit`);
+      }
+      category.slug = newSlug;
+    }
+    
+    await category.save();
+    
+    req.flash('success_msg', 'Category updated successfully');
+    res.redirect('/admin/blog/categories');
+  } catch (err) {
+    console.error('Category update error:', err);
+    req.flash('error_msg', 'Error updating category');
+    res.redirect(`/admin/blog/categories/${req.params.id}/edit`);
+  }
+};
+
+// Delete category
+exports.destroy = async (req, res) => {
+  try {
+    const category = await BlogCategory.findById(req.params.id);
+    
+    if (!category) {
+      req.flash('error_msg', 'Category not found');
+      return res.redirect('/admin/blog/categories');
+    }
+    
+    // Check if category has posts
+    const Blog = require('../models/blog');
+    const postCount = await Blog.countDocuments({ category: { $in: [category.name] } });
+    
+    if (postCount > 0) {
+      req.flash('error_msg', 'Cannot delete category that has blog posts');
+      return res.redirect('/admin/blog/categories');
+    }
+    
+    await BlogCategory.findByIdAndDelete(req.params.id);
+    
+    req.flash('success_msg', 'Category deleted successfully');
+    res.redirect('/admin/blog/categories');
+  } catch (err) {
+    console.error('Category delete error:', err);
+    req.flash('error_msg', 'Error deleting category');
+    res.redirect('/admin/blog/categories');
+  }
+};
+
+// -------------------- Public API Controllers --------------------
+
+// Get all active categories
+exports.api = async (req, res) => {
+  try {
+    const categories = await BlogCategory.getActive();
+    
+    // Update post counts
+    for (const category of categories) {
+      await category.updatePostCount();
+    }
+    
+    res.json(categories);
+  } catch (err) {
+    console.error('Categories API error:', err);
+    res.status(500).json({ error: 'Error loading categories' });
+  }
+};
+
+// Get category by slug
+exports.apiShow = async (req, res) => {
+  try {
+    const category = await BlogCategory.findOne({ 
+      slug: req.params.slug, 
+      isActive: true 
+    }).lean();
+    
+    if (!category) {
+      return res.status(404).json({ error: 'Category not found' });
+    }
+    
+    res.json(category);
+  } catch (err) {
+    console.error('Category show API error:', err);
+    res.status(500).json({ error: 'Error loading category' });
+  }
+};
+
+module.exports = exports;