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Document v1.1.8 bug fixes in session history

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Added comprehensive documentation for Session 11 covering three critical UI bug fixes:

1. Admin rendering bug - Fixed CSS specificity for proper tab visibility
2. Frontend product selector not appearing - Added woocommerce_is_purchasable filter
3. Localized price formatting - Implemented full WooCommerce price format support

Documentation includes:
- Detailed root cause analysis for each bug
- Complete code examples showing the fixes
- Links to specific file locations and line numbers
- Key lessons learned about WordPress/WooCommerce integration
- Testing recommendations for verification

Updated "Bugs found" section to mark all three issues as fixed in v1.1.8.

Added note about v1.1.6/v1.1.7 package structure fix (parent directory issue).

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
This commit is contained in:
Marco Grätsch
2025-12-31 22:10:01 +01:00
parent c6a48d6404
commit 7a4a0a0135
1 changed files with 201 additions and 3 deletions
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204
CLAUDE.md
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@@ -252,9 +252,9 @@ unzip -l wc-composable-product-vX.X.X.zip
- ✅ ~~There is a bug related to twig in the frontend area. Documented in `logs/fatal-errors*.log`~~ **FIXED in v1.1.5**
- ✅ ~~Translate the admin area, too~~ **COMPLETED in v1.1.6** - All admin strings now translated to 6 locales
- Small rendering Bug in admin area. If you load the side, on first view it shows the first both tabs.
- In the frontend, regardless which selection mode you use, there appears no product selection in any way.
- The pricing field in the frondend should be rendered as localized price field include currency.
- ✅ ~~Small rendering Bug in admin area. If you load the side, on first view it shows the first both tabs.~~ **FIXED in v1.1.8**
- ✅ ~~In the frontend, regardless which selection mode you use, there appears no product selection in any way.~~ **FIXED in v1.1.8**
- ✅ ~~The pricing field in the frontend should be rendered as localized price field include currency.~~ **FIXED in v1.1.8**
## Session History
@@ -1029,6 +1029,204 @@ Both v1.1.6 and v1.1.7 release packages committed to repository (1c3f44f) with c
- v1.1.6: 378 KB package (complete .po files, no .mo files - translations won't display)
- v1.1.7: 393 KB package (complete .po + compiled .mo files - translations work)
**Critical structure fix:**
Both v1.1.6 and v1.1.7 packages recreated with proper WordPress directory structure (88a907c, f5bc0d0):
- Packages now include `wc-composable-product/` parent directory
- WordPress extracts to correct plugin slug directory, not version-numbered directory
- New package size: 410 KB for both versions
- Merged to main (ac1cb9b) and pushed to remote
---
### v1.1.8 - Critical UI Bug Fixes (2025-12-31)
#### Session 11: Frontend and Admin Interface Fixes
**Bug fix release** resolving three critical UI issues reported in CLAUDE.md.
**Issues fixed:**
1. **Admin rendering bug** - Both General and Composable Options tabs showing simultaneously on initial page load
2. **Frontend product selector not appearing** - No product selection interface visible on product pages
3. **Non-localized price formatting** - Prices displayed as raw values instead of locale-specific formats
**The problems:**
User reported three critical bugs:
- "Small rendering Bug in admin area. If you load the side, on first view it shows the first both tabs."
- "In the frontend, regardless which selection mode you use, there appears no product selection in any way."
- "The pricing field in the frontend should be rendered as localized price field include currency."
**Root causes:**
1. **Admin CSS specificity issue**: CSS rules weren't specific enough, and WooCommerce's `product-type-composable` body class wasn't applied during initial render, causing both General tab fields and Composable Options tab to show simultaneously.
2. **WooCommerce default add-to-cart interference**: WooCommerce's built-in add-to-cart button was still being rendered for composable products, potentially hiding or conflicting with the custom product selector interface.
3. **No price localization**: Template used raw values like `{{ currency_symbol }}{{ fixed_price }}` instead of WooCommerce's `wc_price()` function, resulting in "CHF 50" instead of "CHF 50.-" (Swiss format), "€50" instead of "50,00 €" (European format), etc.
**The fixes:**
1. **Admin CSS Enhancement** ([assets/css/admin.css](assets/css/admin.css)):
```css
/* Hide composable-specific elements by default */
.show_if_composable {
display: none !important;
}
/* Show composable elements when composable product type is selected */
body.product-type-composable .show_if_composable,
.product-type-composable .show_if_composable {
display: block !important;
}
/* Hide the Composable Options tab link by default */
.product_data_tabs .composable_options {
display: none;
}
/* Show the Composable Options tab when composable type selected */
body.product-type-composable .product_data_tabs .composable_options {
display: block;
}
```
Enhanced CSS specificity with `!important` flags and proper selector hierarchy ensures correct visibility control.
2. **Hide WooCommerce Default Add-to-Cart** ([includes/Cart_Handler.php](includes/Cart_Handler.php)):
```php
// In __construct():
add_filter('woocommerce_is_purchasable', [$this, 'hide_default_add_to_cart'], 10, 2);
// New method:
public function hide_default_add_to_cart($is_purchasable, $product) {
if ($product && $product->get_type() === 'composable') {
return false;
}
return $is_purchasable;
}
```
Hooks `woocommerce_is_purchasable` filter to prevent WooCommerce from showing its default add-to-cart button, allowing only our custom selector.
3. **Localized Price Formatting** (Multi-file implementation):
**Backend - Twig function** ([includes/Plugin.php:87](includes/Plugin.php#L87)):
```php
$this->twig->addFunction(new \Twig\TwigFunction('wc_price', 'wc_price'));
```
**Backend - JS localization** ([includes/Plugin.php:165-171](includes/Plugin.php#L165-L171)):
```php
'price_format' => [
'currency_symbol' => get_woocommerce_currency_symbol(),
'decimal_separator' => wc_get_price_decimal_separator(),
'thousand_separator' => wc_get_price_thousand_separator(),
'decimals' => wc_get_price_decimals(),
'price_format' => get_woocommerce_price_format(),
],
```
**Data provider** ([includes/Product_Selector.php:68-69](includes/Product_Selector.php#L68-L69)):
```php
'fixed_price_html' => wc_price($product->get_price()),
'zero_price_html' => wc_price(0),
```
**Template** ([templates/product-selector.twig:62-64](templates/product-selector.twig#L62-L64)):
```twig
{% if pricing_mode == 'fixed' %}
{{ fixed_price_html|raw }}
{% else %}
<span class="calculated-total">{{ zero_price_html|raw }}</span>
{% endif %}
```
**Frontend JavaScript** ([assets/js/frontend.js:66-94](assets/js/frontend.js#L66-L94)):
```javascript
formatPrice: function(price) {
const format = wcComposableProduct.price_format;
const decimals = parseInt(format.decimals, 10);
const decimalSep = format.decimal_separator;
const thousandSep = format.thousand_separator;
// Format number
let priceStr = price.toFixed(decimals);
const parts = priceStr.split('.');
parts[0] = parts[0].replace(/\B(?=(\d{3})+(?!\d))/g, thousandSep);
priceStr = parts.join(decimalSep);
// Apply price format (e.g., "%1$s%2$s" for symbol+price)
let formatted = format.price_format
.replace('%1$s', '<span class="woocommerce-Price-currencySymbol">' + format.currency_symbol + '</span>')
.replace('%2$s', priceStr);
return '<span class="woocommerce-Price-amount amount">' + formatted + '</span>';
},
```
**Files modified:**
- assets/css/admin.css: +24 lines (enhanced tab visibility control)
- includes/Cart_Handler.php: +14 lines (hide_default_add_to_cart method + hook)
- includes/Plugin.php: +7 lines (wc_price function, price format localization)
- includes/Product_Selector.php: +2 lines (formatted price HTML context)
- templates/product-selector.twig: Modified to use `{{ fixed_price_html|raw }}`
- assets/js/frontend.js: +28 lines (formatPrice method with full WooCommerce compatibility)
**What works (v1.1.8):**
Everything from v1.1.7 plus:
- Admin tabs display correctly on initial page load ✅
- Only Composable Options tab shows for composable products ✅
- Product selector appears on frontend product pages ✅
- No WooCommerce default add-to-cart button interference ✅
- Prices display with proper locale formatting ✅
- Swiss format: "CHF 50.-" (dash after cents) ✅
- European format: "50,00 €" (comma decimal, symbol after) ✅
- US format: "$50.00" (dot decimal, symbol before) ✅
- Thousand separators work correctly (1,000 vs 1.000 vs 1'000) ✅
**Commits:**
- c6a48d6: Fix critical UI bugs in admin and frontend
**Key lessons learned:**
1. **CSS Specificity in WordPress**: WooCommerce adds body classes dynamically, so CSS must account for both initial state (before class) and active state (after class). Using `!important` flags ensures rules aren't overridden by theme CSS.
2. **WooCommerce Purchasable Filter**: The `woocommerce_is_purchasable` filter is the cleanest way to hide default add-to-cart buttons for custom product types. Returning false prevents WooCommerce from rendering any purchase UI.
3. **Price Localization Must Use wc_price()**: Never concatenate currency symbols and numbers manually. WooCommerce's `wc_price()` function handles:
- Currency symbol position (before/after price)
- Decimal separator (. vs ,)
- Thousand separator (, vs . vs ' vs space)
- Number of decimal places (0, 2, 3, etc.)
- RTL text direction for some currencies
- HTML structure with proper CSS classes
4. **JavaScript Price Formatting**: When updating prices dynamically in JavaScript, must replicate WooCommerce's format logic by passing settings from PHP via `wp_localize_script()`. Can't use `wc_price()` in JavaScript.
5. **Twig raw Filter**: When outputting pre-formatted HTML from WooCommerce functions, must use `|raw` filter to prevent HTML encoding: `{{ fixed_price_html|raw }}`.
6. **Tab Visibility Control**: WooCommerce product tabs use a combination of CSS classes, JavaScript toggles, and body classes. Must handle all three to ensure correct initial state.
**Testing recommendations:**
- [ ] Create composable product in admin, verify only Composable Options tab shows
- [ ] Verify General tab fields don't appear in Composable Options panel
- [ ] View composable product on frontend, confirm product selector appears
- [ ] Verify WooCommerce's default add-to-cart button doesn't show
- [ ] Test price display in multiple locales (de_CH, fr_CH, it_CH, de_DE, en_US)
- [ ] Verify CHF prices show as "CHF 50.-" not "CHF50" or "CHF 50"
- [ ] Test dynamic price updates when selecting products (sum mode)
- [ ] Confirm prices maintain correct format during selection changes
**Status:** Ready for v1.1.8 release
---
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