From 42c5f39700c6ba95a6b924be807e8cddd69c3bdd Mon Sep 17 00:00:00 2001
From: Runxi Yu <me@runxiyu.org>
Date: Mon, 13 Jan 2025 12:02:49 +0800
Subject: Add PostgreSQL mail store support

---
 deliver_local.go | 27 +++++++++++++++++++++++++++
 1 file changed, 27 insertions(+)
 create mode 100644 deliver_local.go

(limited to 'deliver_local.go')

diff --git a/deliver_local.go b/deliver_local.go
new file mode 100644
index 0000000..9a29459
--- /dev/null
+++ b/deliver_local.go
@@ -0,0 +1,27 @@
+package main
+
+import (
+	"fmt"
+	"context"
+	"github.com/jackc/pgx/v5/pgxpool"
+)
+
+func deliver_local(ctx context.Context, db *pgxpool.Pool, envelope_from string, envelope_recipients []string, data []byte, addresses []string) error {
+	tx, err := db.Begin(ctx)
+	if err != nil {
+		return err
+	}
+	defer tx.Rollback(ctx) // BUG: Potential missed error here, but this will always fail if commit succeeded
+	for _, address := range addresses {
+		_, err = tx.Exec(ctx, "INSERT INTO mail (mailbox_id, data) SELECT a.mailbox_id, $2::bytea FROM addresses a JOIN mailboxes m ON a.mailbox_id = m.id WHERE a.address = $1;", address, data)
+		if err != nil {
+			fmt.Printf("%#v\n", err)
+			return err
+		}
+	}
+	err = tx.Commit(ctx)
+	if err != nil {
+		return err
+	}
+	return nil
+}
-- 
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