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73 lines
3.3 KiB
TypeScript
73 lines
3.3 KiB
TypeScript
import { formatINR } from '@sims/domain'
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/** Templated reminder emails — one place so WhatsApp can reuse them later (spec §7). */
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export type ReminderRuleKind =
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| 'invoice_overdue' | 'renewal_due' | 'amc_expiring'
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| 'follow_up' | 'recurring_generated' | 'email_bounced'
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export interface ReminderContext {
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clientName: string; companyName: string
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docNo?: string; amountPaise?: number; dueDate?: string
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daysOverdue?: number; coverage?: string; period?: string
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}
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export interface ReminderMail { subject: string; bodyText: string }
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const signOff = (ctx: ReminderContext): string => `Warm regards,\n${ctx.companyName}`
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export function reminderEmail(kind: ReminderRuleKind, ctx: ReminderContext): ReminderMail {
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switch (kind) {
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case 'invoice_overdue': {
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const amt = ctx.amountPaise !== undefined ? formatINR(ctx.amountPaise) : ''
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return {
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subject: `Payment reminder — Invoice ${ctx.docNo} (${ctx.companyName})`,
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bodyText:
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`Dear ${ctx.clientName},\n\n`
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+ `This is a gentle reminder that Invoice ${ctx.docNo}${amt !== '' ? ` for ${amt}` : ''} is outstanding`
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+ (ctx.daysOverdue !== undefined ? ` and is now ${ctx.daysOverdue} day(s) past due` : '')
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+ `. We would be grateful if you could arrange payment at your earliest convenience.\n\n`
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+ `If payment has already been made, kindly ignore this message.\n\n`
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+ signOff(ctx),
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}
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}
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case 'recurring_generated': {
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const amt = ctx.amountPaise !== undefined ? formatINR(ctx.amountPaise) : ''
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const forPeriod = ctx.period !== undefined ? ` for ${ctx.period}` : ''
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return {
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subject: `Invoice ${ctx.docNo}${forPeriod} (${ctx.companyName})`,
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bodyText:
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`Dear ${ctx.clientName},\n\n`
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+ `Please find attached Invoice ${ctx.docNo}${forPeriod}${amt !== '' ? `, amounting to ${amt}` : ''}.\n\n`
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+ `Kindly arrange payment as per the agreed terms. Thank you for your continued association.\n\n`
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+ signOff(ctx),
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}
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}
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case 'renewal_due':
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return {
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subject: `Subscription renewal reminder (${ctx.companyName})`,
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bodyText:
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`Dear ${ctx.clientName},\n\n`
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+ `Your subscription is due for renewal${ctx.dueDate !== undefined ? ` on ${ctx.dueDate}` : ' shortly'}. `
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+ `Please let us know if you would like us to raise the renewal invoice.\n\n`
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+ `We value your continued association and look forward to serving you.\n\n`
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+ signOff(ctx),
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}
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case 'amc_expiring':
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return {
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subject: `AMC renewal reminder${ctx.coverage !== undefined && ctx.coverage !== '' ? ` — ${ctx.coverage}` : ''} (${ctx.companyName})`,
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bodyText:
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`Dear ${ctx.clientName},\n\n`
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+ `Your Annual Maintenance Contract${ctx.coverage !== undefined && ctx.coverage !== '' ? ` (${ctx.coverage})` : ''} `
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+ `is due to expire${ctx.dueDate !== undefined ? ` on ${ctx.dueDate}` : ' soon'}. `
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+ `To ensure uninterrupted support, please confirm the renewal at your convenience.\n\n`
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+ signOff(ctx),
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}
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case 'follow_up':
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case 'email_bounced':
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// Internal dashboard items — never emailed to the client. A neutral value
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// exists so callers can't crash; repos-reminders refuses to send these kinds.
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return { subject: '(internal reminder)', bodyText: '' }
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}
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}
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