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zooqueenandHanzo Dev
cb3a32adc1
Every sale through subscribe/card, card or prepaid, coupon or not, sends a
plain-text notice to the addresses in BILLING_SALE_NOTIFY_TO: org, customer
email, plan, interval, amount charged, list price, promo and coupon
("50OFF — 50% off first month"), time, subscription, invoice and mode. It
is sent after the sale is sealed, on its own goroutine with a 30s bound,
never for a replay, and a failure is logged, never the sale's.
Mail goes through the host: EmbedConfig.Mail installs a mail.Sender (the
cloud binary passes its notify rail, credentials in KMS). Unset, nothing is
sent and mail.ErrNoSender says why.
Co-authored-by: Hanzo Dev <[email protected]>
52 lines
1.4 KiB
Go
52 lines
1.4 KiB
Go
// Copyright (c) 2014-present Hanzo AI, Inc.
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// Licensed under MIT OR Apache-2.0. See LICENSE-MIT and LICENSE-APACHE.
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// Package mail is commerce's outbound plain-text mail, delivered by the HOST.
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//
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// One Sender, installed once at embed time (EmbedConfig.Mail), the same way the
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// credit ledger and the secret reader are: commerce asks its host rather than
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// holding a mail provider credential of its own. In the cloud binary the host's
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// sender is its notify rail, whose provider credentials live in KMS.
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//
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// nil is a supported state: a standalone commerce with no host sends nothing,
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// and Send says so with ErrNoSender instead of pretending.
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package mail
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import (
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"context"
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"errors"
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"sync"
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)
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// Sender delivers one plain-text message to every address in to.
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type Sender interface {
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Send(ctx context.Context, to []string, subject, body string) error
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}
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// ErrNoSender is Send without a host sender installed.
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var ErrNoSender = errors.New("mail: the host installed no sender")
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var (
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mu sync.RWMutex
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s Sender
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)
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// Set installs the host's sender; nil removes it. Called once, before routes
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// register.
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func Set(x Sender) {
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mu.Lock()
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defer mu.Unlock()
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s = x
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}
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// Send delivers through the installed sender.
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func Send(ctx context.Context, to []string, subject, body string) error {
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mu.RLock()
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x := s
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mu.RUnlock()
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if x == nil {
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return ErrNoSender
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}
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return x.Send(ctx, to, subject, body)
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}
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