Custom Post Types and Capabilities.pptx
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This document outlines the development of a custom plugin for managing stories at lorem ipsum llc, specifying access restrictions for writers and administrators. It covers the mapping of meta capabilities to primitive capabilities and discusses the use of the map_meta_cap() function for capability management. Additionally, it provides guidelines for assigning and updating roles and capabilities related to custom post types.
Custom Post Types and Capabilities.pptx
- 1. Confidential Customized for Lorem Ipsum LLC Version 1.0 Jonathan Bossenger Custom Post Types and Capabilities Learn.WordPress.org
- 2. Confidential Customized for Lorem Ipsum LLC Version 1.0 Learn.WordPress.org What you will learn 1. How to restrict access to custom post types via capabilities? 2. How are capabilities assigned to a custom post type and how to manage them? 3. How to assign custom post type capabilities to existing or new roles?
- 3. Confidential Customized for Lorem Ipsum LLC Version 1.0 Learn.WordPress.org Project requirements - develop a custom plugin ● Create a custom post type to manage stories. ● Writers can only create, edit, and delete unpublished stories. ● Writers can publish their stories, but not edit or delete stories once published. ● Site administrators can create, edit, and delete any and all stories.
- 4. Confidential Customized for Lorem Ipsum LLC Version 1.0 Learn.WordPress.org Meta Capabilities and Primitive Capabilities 1. Meta capabilities are mapped to primitive capabilities 2. Meta capabilities: edit_post, read_post, delete_post 3. Mapped to primitive capabilities like edit_posts and edit_others posts 4. Meta capabilities are not generally added to roles
- 5. Confidential Customized for Lorem Ipsum LLC Version 1.0 Learn.WordPress.org Meta Capabilities and Primitive Capabilities 1. Two types of primitive capabilities a. Primitive capabilities that are automatically mapped b. Primitive capabilities that are NOT automatically mapped
- 6. Confidential Customized for Lorem Ipsum LLC Version 1.0 Learn.WordPress.org The map_meta_cap() function 1. It’s used whenever the current_user_can() function is called. 2. It maps a capability to the primitive capabilities required of the given user to satisfy the capability being checked, based on the context of the check. 3. It does not check whether the user has the required capabilities, it just returns what the required capabilities are.
- 7. Confidential Customized for Lorem Ipsum LLC Version 1.0 Learn.WordPress.org Writer role capabilities 1. Automatically mapped primitive capabilities a. edit_stories, delete_stories, publish_stories, read_private_stories 2. Primitive capabilities mapped inside map_meta_cap: a. read, delete_private_stories, edit_private_stories,
- 8. Confidential Customized for Lorem Ipsum LLC Version 1.0 Learn.WordPress.org Developing custom post type capabilities 1. Set the correct capability_type(s) 2. Use either the capabilities argument or the map_meta_cap argument 3. Either update an existing role, or create a new custom role, and assign the relevant capabilities needed 4. Always to set up and remove roles and or capabilities inside activation hook and deactivation hook callbacks
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