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Multi-Currency

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Currency settings and formatting for global users in LivestockAI

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Multi-Currency

LivestockAI supports multiple currencies with user-configurable settings.

Supported Currencies

CurrencySymbolCodeRegions
Nigerian Naira₦NGNNigeria
US Dollar$USDGlobal
Euro€EUREurope
British Pound£GBPUK
Indian Rupee₹INRIndia
Kenyan ShillingKShKESKenya

User Settings

Currency preference is stored in user_settings:

interface UserSettings {
  currency: 'NGN' | 'USD' | 'EUR' | 'GBP' | 'INR' | 'KES'
  dateFormat: 'DD/MM/YYYY' | 'MM/DD/YYYY' | 'YYYY-MM-DD'
  weightUnit: 'kg' | 'lb'
  language: 'en' | 'fr' | 'es' | 'pt' | 'sw' | 'ha'
}

Using Currency in Components

import { useFormatCurrency } from '~/features/settings'

function PriceDisplay({ amount }: { amount: number }) {
  const { format, formatCompact, symbol } = useFormatCurrency()

  return (
    <div>
      <span>{format(amount)}</span>      {/* ₦1,234.56 */}
      <span>{formatCompact(amount)}</span> {/* ₦1.2K */}
      <span>{symbol}</span>               {/* ₦ */}
    </div>
  )
}

Currency Presets

// app/features/settings/currency-presets.ts
export const CURRENCY_PRESETS = {
  NGN: {
    code: 'NGN',
    symbol: '₦',
    name: 'Nigerian Naira',
    locale: 'en-NG',
    decimals: 2,
  },
  USD: {
    code: 'USD',
    symbol: '
#x27;,
    name: 'US Dollar',
    locale: 'en-US',
    decimals: 2,
  },
  // ...
}

Formatting Functions

// Format with user's currency setting
const { format } = useFormatCurrency()
format(1234.56) // "₦1,234.56"

// Compact format for large numbers
const { formatCompact } = useFormatCurrency()
formatCompact(1500000) // "₦1.5M"

// Get just the symbol
const { symbol } = useFormatCurrency()
// "₦"

Database Storage

All monetary values are stored as DECIMAL(19,2) without currency symbol:

// Store
await db.insertInto('sales').values({
  totalAmount: toDbString(1234.56), // "1234.56"
})

// Display
const amount = toNumber(sale.totalAmount)
format(amount) // "₦1,234.56" (based on user settings)

Related Skills

  • financial-calculations - Decimal arithmetic
  • i18n-patterns - Locale-aware formatting