# Pool Management System - Updates & Changes (2026-01-14)

## 📋 Summary of Changes

### 1. **Portal Task Details Page Enhancement** (portal/task-details.php)
- ✅ Added "Περιγραφή Εργασίας" section below Task Type
- ✅ Fixed whitespace handling with `white-space: normal;` and `trim()`
- ✅ Section titled "Σημειώσεις από τον Συντηρητή" displays CustomerNotes
- ✅ Fixed duplicate section display issue

### 2. **Request Visit Processing** (portal/request-visit.php)
- ✅ Changed to store customer visit requests in `TaskDescription` (was storing in Notes)
- ✅ This separates customer requests from admin maintenance notes

### 3. **Admin Dashboard** (admin/dashboard.php)
- ✅ Removed Notes display from all three modal sections (Today, Tomorrow, Overdue)
- ✅ Now displays only `TaskDescription` in modals

### 4. **Form Labels Standardization** (admin/get-task-form.php)
- ✅ Changed "Περιγραφή" label to "Περιγραφή Αιτήματος"
- ✅ Removed display of "📝 Σημειώσεις Αιτήματος" (read-only section)
- ✅ Removed display of "💬 Σημειώσεις Πελάτη" (read-only section)

### 5. **Emergency Requests Photo Management**
- ✅ Added `UploadedBy` column to `tblemergency_photos` table
- ✅ portal/emergency.php - Added photo upload with preview functionality
- ✅ admin/emergency-details.php - Separated photos into two sections:
  - "Φωτογραφίες από Πελάτη" (customer uploaded)
  - "Φωτογραφίες Τεχνικού" (admin uploaded)
- ✅ portal/emergency-details.php - Mirror display of two photo sections
- ✅ Fixed photo storage path: `../admin/uploads/emergency_photos/`

### 6. **Customer Account Billing**
- ✅ Added `PoolID` column to `tblcustomer_payments` table
- ✅ admin/customer-account-details.php - Pool-wise billing summary
  - Shows breakdown of charges per pool (tasks, materials, emergencies)
  - Displays payments per pool
  - Shows balance per pool with color coding (red=owes, green=paid)
- ✅ Payment form now includes dropdown to select which pool the payment is for
- ✅ Calculates pool-specific balances correctly

### 7. **Portal Billing Page** (portal/billing.php)
- ✅ Fixed to show only charges and payments for selected pool
- ✅ When pool is selected, displays pool-specific balance
- ✅ Payment history filtered by selected pool

### 8. **Portal Dashboard** (portal/dashboard.php)
- ✅ Removed stat cards display:
  - ❌ 🔧 Εργασίες
  - ❌ ✅ Ολοκληρωμένες
  - ❌ ⏳ Σε εξέλιξη
  - ❌ 💰 Σύνολο Δαπάνης

### 9. **Bug Fixes**
- ✅ Fixed deprecated warning in portal/visit-list.php (line 72)
  - Added null check before strtotime() on StartedAt field

## 📊 Database Schema Changes

### New Columns Added:
1. **tblemergency_photos.UploadedBy** (VARCHAR(20), DEFAULT 'customer')
   - Values: 'customer' or 'admin'
   - Used to separate customer and technician photos

2. **tblcustomer_payments.PoolID** (INT, NULL)
   - Foreign key to tblpools
   - Allows tracking payments per pool
   - NULL means payment applies to entire account

## 🔄 Data Flow Clarification

### Note Types System (Updated):
| UI Label | Database Column | Storage Source | Display In Portal | Display In Admin |
|----------|-----------------|-----------------|-------------------|------------------|
| Περιγραφή Αιτήματος | TaskDescription | request-visit.php / add-maintenance-task.php | task-details.php | get-task-form.php |
| Σημειώσεις από Συντηρητή | CustomerNotes | update-list.php / manage-maintenance-tasks.php | task-details.php | get-task-form.php |
| Notes (Admin Internal) | Notes | add-maintenance-task.php | ❌ | update-list.php (Yellow) |

## 📁 Modified Files

### Portal Files:
- portal/task-details.php
- portal/request-visit.php
- portal/emergency.php
- portal/emergency-details.php
- portal/billing.php
- portal/dashboard.php
- portal/visit-list.php

### Admin Files:
- admin/get-task-form.php
- admin/dashboard.php
- admin/emergency-details.php
- admin/customer-account-details.php
- admin/update-list.php

### Configuration Files:
- check_emergency_photos.php (migration script)
- check_payment_pool.php (migration script)

## ✅ Testing Recommendations

1. **Pool Billing**: Test customer-account-details.php?customer_id=1 with multiple pools
2. **Emergency Photos**: Upload photos and verify separation by uploader
3. **Portal Billing**: Test billing.php?pool=1 for pool-specific display
4. **Payment Tracking**: Add payment and verify it's deducted from correct pool
5. **Visit List**: Verify no deprecated warnings appear

## 🔐 Security Notes

- All database queries use proper escaping
- File upload validation for emergency photos
- PoolID filtering ensures customers only see their own pool billing

## 📝 Notes for Future Development

- Consider adding invoice generation per pool
- Emergency photo organization could include date-based folders
- Payment refund mechanism might be needed in future