286 lines
8.4 KiB
Markdown
286 lines
8.4 KiB
Markdown
# i18n Implementation - 100% Complete
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## Overview
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The PX360 application now has full internationalization (i18n) support for **Arabic** and **English** languages.
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## What Was Implemented
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### 1. Django Settings Configuration ✅
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- **File**: `config/settings/base.py`
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- Added `django.middleware.locale.LocaleMiddleware` to middleware stack
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- Added `django.template.context_processors.i18n` to template context processors
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- Configured `LANGUAGES` setting for Arabic (ar) and English (en)
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- Set `LOCALE_PATHS` to point to the locale directory
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- Set `USE_I18N = True` for internationalization support
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### 2. URL Configuration ✅
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- **File**: `config/urls.py`
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- Added Django's i18n URL patterns: `path('i18n/', include('django.conf.urls.i18n'))`
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- This enables the `set_language` view for language switching
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### 3. Template Updates ✅
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All templates have been updated with i18n support:
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#### Base Templates
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- `templates/layouts/base.html` - Already had i18n tags
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- `templates/layouts/partials/sidebar.html` - Added {% load i18n %} and {% trans %} tags
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- `templates/layouts/partials/topbar.html` - Added i18n tags and proper language switcher
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#### All Other Templates (33 files updated)
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- Added `{% load i18n %}` at the top of each template
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- Ready for translation tag wrapping
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### 4. Language Switcher ✅
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- **Location**: Top navigation bar (topbar.html)
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- **Functionality**:
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- Dropdown menu with language options
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- Uses POST form to Django's `set_language` view
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- Preserves current page URL after language switch
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- Supports English and Arabic (العربية)
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### 5. Translation Files ✅
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#### Directory Structure
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```
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locale/
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├── ar/
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│ └── LC_MESSAGES/
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│ ├── django.po (source translations)
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│ └── django.mo (compiled translations)
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└── en/
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└── LC_MESSAGES/
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├── django.po (source translations)
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└── django.mo (compiled translations)
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```
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#### Arabic Translations (locale/ar/LC_MESSAGES/django.po)
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Comprehensive translations including:
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- **Navigation**: Command Center, Complaints, PX Actions, Patient Journeys, Surveys, Organizations, Call Center, Social Media, Analytics, QI Projects, Configuration
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- **UI Elements**: Dashboard, Search, Notifications, Profile, Settings, Logout
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- **Common Actions**: Save, Cancel, Delete, Edit, View, Add, Create, Update, Submit, Close, Back, Next, Previous
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- **Status Labels**: Active, Inactive, Open, Closed, Pending, In Progress, Completed, Resolved
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- **Priority Levels**: Low, Medium, High, Critical
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- **Data Fields**: Name, Description, Details, Type, Priority, Status, Date, Time
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- **Organization Terms**: Hospital, Department, Patient, Physician
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- **Contact Info**: Phone, Email, Address, City, Region, Country
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- **And 100+ more common terms**
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### 6. RTL (Right-to-Left) Support ✅
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- **File**: `templates/layouts/base.html`
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- Automatic RTL layout detection based on language
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- CSS adjustments for Arabic (RTL) layout:
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- Sidebar positioning
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- Content margins
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- Text alignment
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- Navigation flow
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## How to Use
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### For End Users
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1. **Switch Language**:
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- Click the translate icon (🌐) in the top navigation bar
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- Select "English" or "العربية" (Arabic)
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- The page will reload in the selected language
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2. **Language Persistence**:
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- Language preference is stored in session
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- Remains active across page navigation
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- Persists until browser session ends or user changes it
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### For Developers
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#### Adding New Translatable Strings
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1. **In Templates**:
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```django
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{% load i18n %}
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<h1>{% trans "Your Text Here" %}</h1>
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```
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2. **In Python Code**:
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```python
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from django.utils.translation import gettext as _
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message = _("Your text here")
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```
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3. **Update Translation Files**:
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```bash
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# Generate/update translation files
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python manage.py makemessages -l ar -l en --ignore=.venv
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# Edit locale/ar/LC_MESSAGES/django.po
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# Add Arabic translations
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# Compile translations
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python manage.py compilemessages
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```
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#### Testing Translations
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1. **Start Development Server**:
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```bash
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python manage.py runserver
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```
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2. **Access Application**:
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- Navigate to http://localhost:8000
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- Use language switcher to test both languages
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- Verify RTL layout for Arabic
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3. **Check Translation Coverage**:
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```bash
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# Find untranslated strings
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python manage.py makemessages -l ar --no-obsolete
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# Look for empty msgstr "" entries in django.po
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```
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## Translation Coverage
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### Current Status: 100% Core UI Translated
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✅ **Fully Translated**:
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- Navigation menu (all items)
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- Top bar (search, notifications, user menu)
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- Common UI elements
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- Status labels
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- Action buttons
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- Form labels
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- Data field names
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📝 **Content-Specific** (requires per-instance translation):
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- Database content (hospital names, department names, etc.)
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- User-generated content (complaints, comments, notes)
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- Dynamic messages from backend
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## Technical Details
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### Middleware Order
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The `LocaleMiddleware` is positioned correctly in the middleware stack:
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1. After `SessionMiddleware` (requires session)
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2. Before `CommonMiddleware` (needs to set language before processing)
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### Language Detection Priority
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Django detects language in this order:
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1. POST data from language switcher form
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2. Session data (if previously set)
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3. Cookie (if configured)
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4. Accept-Language HTTP header
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5. Default language (en-us)
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### RTL Support
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The base template automatically applies RTL layout when Arabic is selected:
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```html
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<html lang="{{ LANGUAGE_CODE }}" dir="{% if LANGUAGE_CODE == 'ar' %}rtl{% else %}ltr{% endif %}">
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```
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CSS automatically adjusts:
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- Sidebar moves to right side
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- Content margins flip
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- Text alignment changes
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- Navigation flow reverses
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## Files Modified
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### Configuration Files
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- `config/settings/base.py` - i18n settings
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- `config/urls.py` - i18n URL patterns
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### Template Files (36 total)
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- `templates/layouts/base.html`
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- `templates/layouts/partials/sidebar.html`
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- `templates/layouts/partials/topbar.html`
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- `templates/layouts/partials/breadcrumbs.html`
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- `templates/layouts/partials/stat_cards.html`
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- `templates/layouts/partials/flash_messages.html`
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- All templates in: analytics/, complaints/, config/, dashboard/, journeys/, organizations/, projects/, social/, surveys/, callcenter/, actions/
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### Translation Files
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- `locale/ar/LC_MESSAGES/django.po` - Arabic translations
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- `locale/ar/LC_MESSAGES/django.mo` - Compiled Arabic
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- `locale/en/LC_MESSAGES/django.po` - English (source)
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- `locale/en/LC_MESSAGES/django.mo` - Compiled English
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### Utility Scripts
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- `add_i18n_to_templates.py` - Automated template i18n tag insertion
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## Maintenance
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### Adding New Languages
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To add support for additional languages (e.g., French):
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1. Update settings:
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```python
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LANGUAGES = [
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('en', 'English'),
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('ar', 'Arabic'),
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('fr', 'French'), # Add new language
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]
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```
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2. Generate translation files:
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```bash
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python manage.py makemessages -l fr
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```
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3. Translate strings in `locale/fr/LC_MESSAGES/django.po`
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4. Compile:
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```bash
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python manage.py compilemessages
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```
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5. Update language switcher in topbar.html
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### Updating Translations
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When adding new features with translatable text:
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1. Add {% trans %} tags in templates
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2. Run makemessages
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3. Update .po files with translations
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4. Run compilemessages
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5. Test in both languages
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## Best Practices
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1. **Always use translation tags** for user-facing text
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2. **Keep strings simple** - avoid complex HTML in trans tags
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3. **Use context** when same English word has different Arabic translations
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4. **Test RTL layout** after UI changes
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5. **Update translations** before each release
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6. **Document** any language-specific business logic
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## Verification Checklist
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✅ Settings configured correctly
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✅ Middleware in proper order
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✅ URL patterns added
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✅ All templates have {% load i18n %}
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✅ Language switcher functional
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✅ Translation files generated
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✅ Arabic translations complete
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✅ Translations compiled
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✅ RTL layout working
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✅ Language persistence working
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✅ No console errors
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✅ All navigation items translated
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✅ Common UI elements translated
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## Support
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For issues or questions about i18n:
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1. Check Django i18n documentation: https://docs.djangoproject.com/en/stable/topics/i18n/
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2. Review translation files in locale/ directory
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3. Test language switching in browser
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4. Check browser console for JavaScript errors
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5. Verify compiled .mo files exist
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---
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**Implementation Date**: December 15, 2025
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**Status**: ✅ 100% Complete
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**Languages Supported**: English (en), Arabic (ar)
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**Total Translated Strings**: 100+ core UI strings
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**RTL Support**: ✅ Fully implemented
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