77 lines
2.6 KiB
Org Mode
77 lines
2.6 KiB
Org Mode
#+TITLE: CLIP Template Refactoring - Complete
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#+AUTHOR: Asteroid Radio Development Team
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#+DATE: 2025-10-04
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* Overview
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Complete refactoring of template rendering system to use CLIP (Common Lisp HTML Processor) machinery properly, eliminating code duplication and establishing a centralized template management system.
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* What Was Completed
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** Centralized Template Utilities
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- Created =template-utils.lisp= with core rendering functions
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- Implemented =render-template-with-plist= for consistent template rendering
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- Added template caching for improved performance
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- Defined CLIP attribute processors (=data-text=) in centralized location
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** Template Refactoring
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All pages now use the centralized rendering system:
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- Front page (=/=)
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- Admin dashboard (=/admin=)
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- User management (=/admin/users=)
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- Web player (=/player=)
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** Files Modified
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- =asteroid.asd= - Added template-utils.lisp to system definition
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- =asteroid.lisp= - Refactored all define-page forms to use new system
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- =template-utils.lisp= - New file with centralized utilities
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- All =.chtml= template files - Updated to use CLIP processors
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* Technical Implementation
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** Template Caching
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#+BEGIN_SRC lisp
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(defvar *template-cache* (make-hash-table :test 'equal)
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"Cache for compiled templates")
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(defun get-cached-template (template-name)
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"Get template from cache or load and cache it"
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(or (gethash template-name *template-cache*)
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(setf (gethash template-name *template-cache*)
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(load-template template-name))))
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#+END_SRC
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** Rendering Function
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#+BEGIN_SRC lisp
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(defun render-template-with-plist (template-name &rest plist)
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"Render a template with a property list of values"
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(let ((template (get-cached-template template-name)))
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(clip:process-to-string template plist)))
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#+END_SRC
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** CLIP Attribute Processors
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#+BEGIN_SRC lisp
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(clip:define-attribute-processor data-text (node value)
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"Process data-text attributes for dynamic content"
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(plump:clear node)
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(plump:make-text-node node (clip:clipboard value)))
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#+END_SRC
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* Benefits
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1. *Code Reduction* - Eliminated duplicate template loading code across all routes
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2. *Performance* - Template caching reduces file I/O
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3. *Maintainability* - Single source of truth for template rendering
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4. *Consistency* - All pages use the same rendering mechanism
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5. *Type Safety* - Centralized error handling for template operations
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* Documentation
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Complete documentation available in:
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- =docs/CLIP-REFACTORING.org= - Detailed technical documentation
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- =template-utils.lisp= - Inline code documentation
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* Status: ✅ COMPLETE
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All template refactoring tasks completed successfully. System is production-ready.
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