Axil_Accountants/src/payload/collections/Posts.ts

import type {
  CollectionConfig,
  CollectionAfterChangeHook,
  CollectionAfterDeleteHook,
} from 'payload';

const calculateReadingTime: CollectionAfterChangeHook = async ({ doc, req: { payload } }) => {
  if (!doc.content) return doc;
  try {
    // Rough estimate: 200 words per minute
    const wordCount = JSON.stringify(doc.content).split(' ').length;
    const minutes = Math.ceil(wordCount / 200);
    await payload.update({ collection: 'posts', id: doc.id, data: { readingTime: minutes } });
  } catch {
    /* skip if update fails during seed */
  }
  return doc;
};

const revalidatePosts: CollectionAfterChangeHook = async ({ doc }) => {
  try {
    const { revalidateTag } = await import('next/cache');
    revalidateTag('posts');
    if (doc?.slug) revalidateTag(`post-${doc.slug}`);
  } catch {
    /* not in Next.js runtime */
  }
  return doc;
};

const revalidatePostsOnDelete: CollectionAfterDeleteHook = async ({ doc }) => {
  try {
    const { revalidateTag } = await import('next/cache');
    revalidateTag('posts');
    if (doc?.slug) revalidateTag(`post-${doc.slug}`);
  } catch {
    /* not in Next.js runtime */
  }
};

export const Posts: CollectionConfig = {
  slug: 'posts',
  admin: {
    useAsTitle: 'title',
    defaultColumns: ['title', 'status', 'publishedAt', 'author'],
  },
  access: {
    read: () => true,
  },
  hooks: {
    afterChange: [calculateReadingTime, revalidatePosts],
    afterDelete: [revalidatePostsOnDelete],
  },
  fields: [
    {
      name: 'title',
      type: 'text',
      required: true,
    },
    {
      name: 'slug',
      type: 'text',
      required: true,
      unique: true,
    },
    {
      name: 'author',
      type: 'relationship',
      relationTo: 'users',
    },
    {
      name: 'category',
      type: 'relationship',
      relationTo: 'categories',
    },
    {
      name: 'coverImage',
      type: 'upload',
      relationTo: 'media',
    },
    {
      name: 'excerpt',
      type: 'textarea',
      admin: {
        description: 'Short summary shown on listing pages (max 150 chars)',
      },
    },
    {
      name: 'content',
      type: 'richText',
    },
    {
      name: 'readingTime',
      type: 'number',
      admin: {
        description: 'Auto-calculated on save (minutes)',
        readOnly: true,
      },
    },
    {
      name: 'publishedAt',
      type: 'date',
    },
    {
      name: 'status',
      type: 'select',
      defaultValue: 'draft',
      options: [
        { label: 'Draft', value: 'draft' },
        { label: 'Published', value: 'published' },
        { label: 'Scheduled', value: 'scheduled' },
      ],
    },
    {
      name: 'tags',
      type: 'array',
      fields: [{ name: 'tag', type: 'text' }],
    },
    {
      name: 'seo',
      type: 'group',
      fields: [
        { name: 'metaTitle', type: 'text' },
        { name: 'metaDescription', type: 'textarea' },
        { name: 'ogImage', type: 'upload', relationTo: 'media' },
      ],
    },
  ],
};