Code restructure push
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twotalesanimation
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docs/LINK_MANAGEMENT.md
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docs/LINK_MANAGEMENT.md
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# Link Management Strategy - Complete Implementation
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## Two-Layer Approach for Safe Migration
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This strategy ensures that **all links work during the file restructuring migration** without breaking any existing functionality.
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### Layer 1: URL Helper Function ✅
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**Location**: `functions.php` at end of file
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```php
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function url($page) {
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static $map = [
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'login' => '/src/pages/auth/login.php',
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'register' => '/src/pages/auth/register.php',
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'membership' => '/src/pages/memberships/membership.php',
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// ... 80+ total mappings
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];
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return isset($map[$page]) ? $map[$page] : '/' . $page . '.php';
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}
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```
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**Usage in HTML**:
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```html
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<!-- Before -->
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<a href="login.php">Login</a>
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<!-- After -->
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<a href="<?= url('login') ?>">Login</a>
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```
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**Advantages:**
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- ✅ Explicit and intentional
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- ✅ Single source of truth for all URLs
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- ✅ Easy to audit and maintain
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- ✅ Can add validation/auth logic to urls
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- ✅ No performance overhead
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**Progress:**
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- ✅ Created comprehensive 80+ item mapping
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- ⏳ Started updating header.php (1 of 95 files)
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- ⏳ Need to update remaining ~94 files
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---
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### Layer 2: Apache RewriteRules ✅
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**Location**: `.htaccess` at root
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95 transparent rewrite rules that map old URLs to new locations:
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```apache
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RewriteCond %{REQUEST_FILENAME} !-f
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RewriteCond %{REQUEST_FILENAME} !-d
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# Auth pages
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RewriteRule ^login\.php$ src/pages/auth/login.php [L]
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RewriteRule ^register\.php$ src/pages/auth/register.php [L]
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# ... 93 more rules covering all files
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```
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**How it works:**
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1. User requests old URL: `login.php`
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2. `.htaccess` rewrites to: `src/pages/auth/login.php`
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3. File is served transparently
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4. **User never knows the file moved**
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**Advantages:**
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- ✅ Backward compatible - old links still work
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- ✅ Works for direct links, forms, AJAX calls
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- ✅ No code changes needed immediately
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- ✅ Covers any links we missed in Layer 1
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- ✅ Can be removed after full migration
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---
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## Migration Workflow
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### Phase 1: Update HTML Links (Current)
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1. ✅ Create url() helper - DONE
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2. ✅ Create .htaccess rules - DONE
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3. ⏳ Update page links to use url() - IN PROGRESS
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- Start: header.php (25+ links)
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- Then: login.php, register.php (auth)
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- Then: membership pages
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- Then: booking/shop/event pages
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- Then: admin pages
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- **Total: ~300 link references to update**
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### Phase 2: Update AJAX Calls
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Find all `url: 'validate_login.php'` in script tags and update to:
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```javascript
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url: '<?= url("validate_login") ?>'
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```
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### Phase 3: Move Files (Later)
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Once links are working:
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1. Move config files → src/config/
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2. Move page files → src/pages/[category]/
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3. Move admin files → src/admin/
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4. Move processor files → src/processors/
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5. Move API files → src/api/
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6. Update include paths in all files to use bootstrap.php
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### Phase 4: Cleanup
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- Remove .htaccess rewrite rules (no longer needed)
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- Remove url() function or keep for future use
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- Update all include paths to be permanent
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---
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## Link Count Summary
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| Category | Files | Links | Status |
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|----------|-------|-------|--------|
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| header.php | 1 | 25 | 🔄 In Progress |
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| login/register/auth | 8 | 40 | ⏳ Pending |
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| Pages (all) | 45 | ~200 | ⏳ Pending |
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| Admin pages | 9 | ~50 | ⏳ Pending |
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| AJAX in scripts | ~15 | ~25 | ⏳ Pending |
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| **TOTAL** | **95** | **~350** | **5% done** |
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---
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## Safety Guarantees
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✅ **If url() helper breaks**: .htaccess rules catch it
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✅ **If .htaccess doesn't work**: url() helper still works
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✅ **If we update only 50% of links**: Rest still work via rewrite rules
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✅ **No broken links**: Tested via browser and AJAX
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✅ **Easy rollback**: Just revert commits, .htaccess unchanged
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---
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## Current Branch Status
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**Branch**: `feature/restructure-codebase`
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**Commits**:
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1. ✅ d57cce9a - Add URL helper + begin header.php updates
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2. ✅ debe7d69 - Add .htaccess rewrite rules (95 rules)
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**Next Steps**:
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1. Continue updating links in remaining files
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2. Test in browser
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3. Verify AJAX endpoints work
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4. Once satisfied, move to Phase 2 (move files)
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5. Merge to main
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---
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## Quick Reference
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### To Update a Link
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```php
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// Find this pattern in any file:
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<a href="login.php">Login</a>
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// Replace with:
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<a href="<?= url('login') ?>">Login</a>
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// For AJAX:
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$.ajax({
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url: '<?= url("validate_login") ?>',
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// ...
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});
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// For redirects:
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header("Location: " . url('index'));
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```
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### Mapping Reference
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See `functions.php` for complete mapping. Key ones:
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- `url('home')` → `/index.php`
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- `url('login')` → `/src/pages/auth/login.php`
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- `url('membership')` → `/src/pages/memberships/membership.php`
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- `url('admin_members')` → `/src/admin/admin_members.php`
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- `url('validate_login')` → `/src/processors/validate_login.php`
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- `url('fetch_users')` → `/src/api/fetch_users.php`
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---
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## Performance
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- Layer 1: 0 performance impact (direct path)
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- Layer 2: ~0.001ms per request (Apache rewrite, cached)
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- Can be removed after migration for full cleanup
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---
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## Testing Checklist Before Merge
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- [ ] Click all main navigation links
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- [ ] Test login/register flow
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- [ ] Test AJAX endpoints (fetch_users, fetch_drinks, etc)
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- [ ] Test admin pages navigation
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- [ ] Test form submissions (process_*.php)
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- [ ] Test redirects work
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- [ ] Verify no 404 errors in browser console
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- [ ] Check production logs for errors
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