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CEMAC’s sales tracking system streamlines the checkout process with product search, customer management, payment processing, and detailed sales history.

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Process a sale

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Create a new transaction

The sales interface is designed for speed and efficiency:
1

Select customer

Search for existing customers or enter a new customer name. Customer selection is optional - sales can be made to “General Customer”.
2

Choose vendor

Select the employee processing the sale. Defaults to the currently logged-in user.
3

Add products

Use the product search bar to find and add items:
  • Type product name, barcode, or code
  • Results appear in real-time dropdown
  • Click to add product to cart
  • Adjust quantities with +/- buttons
4

Apply discounts and taxes

Optionally add:
  • Percentage discount (0-100%)
  • IVA/tax percentage (0-100%)
  • Quick preset buttons for common values
5

Select payment method

Choose from:
  • Cash (efectivo)
  • Card (tarjeta)
  • Transfer (transferencia)
  • Check (cheque)
  • Digital wallet (digital)
6

Add notes

Include optional transaction notes or special instructions
7

Process payment

Click Cobrar (Charge) to complete the sale
The system automatically calculates subtotals, discounts, taxes, and final totals in real-time as you build the sale.
The sales product search is optimized for speed:

Instant search

Results appear as you type with 300ms debouncing

Multiple match fields

Searches product names, categories, barcodes, and supplier codes

Stock visibility

Each result shows current stock availability

Pricing display

Shows both regular and promotional prices

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Quantity management

For each product in the cart:
  • Click + to increase quantity
  • Click - to decrease quantity
  • Click trash icon to remove from cart
  • Quantities are validated against available stock
The system prevents selling more units than available in stock for limited-inventory products. Unlimited products have no quantity restrictions.

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Discounts and taxes

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Apply discounts

Offer discounts in multiple ways:
Type any discount percentage from 0-100% in the discount field
Quick buttons for common discounts:
  • 5%
  • 10%
  • 15%
  • 20%
Discounts are calculated on the subtotal before taxes are applied.

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Apply taxes

Add IVA or sales tax:
Type any tax percentage from 0-100% in the tax field
Quick buttons for common tax rates:
  • 8%
  • 16%
  • Other configurable rates

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Total calculation

The system automatically calculates: 
Subtotal = Sum of (product price × quantity)
Discount Amount = Subtotal × (discount % ÷ 100)
Subtotal After Discount = Subtotal - Discount Amount
Tax Amount = Subtotal After Discount × (tax % ÷ 100)
Final Total = Subtotal After Discount + Tax Amount
All calculations update in real-time as you modify quantities, discounts, or taxes.

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Payment methods

Select the payment method that matches how the customer paid:
MethodIconUse Case
Cash💵Physical currency
Card💳Credit/debit card
Transfer🏦Bank transfer
Check📝Paper check
Digital📱Digital wallets (PayPal, Venmo, etc.)
The selected payment method is saved with the transaction for reporting and reconciliation purposes.

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Sales history

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View past transactions

The sales history panel displays all recent transactions with:
  • Customer name
  • Date and time
  • Number of products
  • Total amount
  • Payment method

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Filter sales

Refine the sales list by time period:

Today

View only today’s transactions

This week

Last 7 days of sales

This month

Last 30 days of sales

All time

Complete sales history

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Search transactions

Use the search bar to find sales by customer name. The search is case-insensitive and matches partial names.

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Sales statistics

The history panel shows real-time statistics:
  • Total sales amount: Sum of all visible transactions
  • Transaction count: Number of sales in the current view
Statistics update automatically as you apply filters or search terms.

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Transaction details

Click any sale in the history to view the complete receipt:
1

Transaction header

  • Ticket number (unique ID)
  • Date and time
  • Customer and vendor names
2

Product list

Each product shows:
  • Product name
  • Quantity and unit price
  • Line total
3

Financial summary

  • Subtotal
  • Discount amount (if applied)
  • Tax amount (if applied)
  • Final total
4

Payment information

  • Payment method
  • Transaction notes (if any)
Generate printer-friendly receipts:
  • Click Print button in transaction details
  • Opens print dialog with formatted receipt
  • Optimized for thermal receipt printers
  • Includes all transaction details

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Customer management

Integrated customer tracking:
  1. Search for existing customers by name, email, or phone
  2. Select from dropdown results
  3. Customer details auto-populate
  4. Sale is linked to customer record

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Create new customers

Add customers on-the-fly during sales:
  • Enter customer name in the search field
  • If not found, create a new customer record
  • Add contact details and preferences
  • Complete the sale with linked customer
Customer data syncs with the customer management module for loyalty tracking and purchase history.

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Vendor tracking

Every sale records the employee who processed it:

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Automatic vendor selection

The system automatically selects the logged-in user as the vendor:
  • User’s full name appears in the vendor field
  • Selection persists across multiple sales
  • Speeds up checkout process

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Manual vendor selection

  • Admin processing sale on behalf of employee
  • Shift changes
  • Training scenarios
Click the vendor selector dropdown and choose a different active employee from the list.

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Export sales data

Export transaction data for external analysis:
  1. Click Export button in sales view
  2. System generates CSV file with all visible sales
  3. Includes all transaction details
  4. Downloads automatically to your device

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CSV format

Exported files include columns:
  • Transaction ID
  • Date
  • Customer name
  • Vendor name
  • Subtotal
  • Discount amount
  • Tax amount
  • Total
  • Payment method
  • Status
Apply filters before exporting to generate custom reports for specific time periods, customers, or vendors.

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Real-time updates

The sales system updates instantly:
  • Daily counters: Sales count and revenue update after each transaction
  • Inventory sync: Stock levels decrease automatically
  • Customer stats: Purchase history updates immediately
  • History refresh: New sales appear in the history panel

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Permissions

Sales tracking respects user roles:
ActionAdminEmployee
Process sales✓✓
View sales history✓✓
View transaction details✓✓
Print receipts✓✓
Export sales data✓✓
Modify past sales✓✗
Delete transactions✓✗
All users can process sales and view history. Only admins can modify or delete past transactions.

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