From c492400cea65f3e939166ced8a19d5a90990e372 Mon Sep 17 00:00:00 2001
From: Fredrik Ringqvist <35255659+fredrikphotowall@users.noreply.github.com>
Date: Mon, 17 Oct 2022 12:07:13 +0200
Subject: [PATCH] Create delayed_order_emails table (#296)

---
 migrations/000.392.sql | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)
 create mode 100644 migrations/000.392.sql

diff --git a/migrations/000.392.sql b/migrations/000.392.sql
new file mode 100644
index 0000000..527dc3b
--- /dev/null
+++ b/migrations/000.392.sql
@@ -0,0 +1,17 @@
+-- Delayed order emails table
+
+CREATE TYPE delayed_orders_email_type AS ENUM ('automatic', 'manual');
+CREATE TYPE delayed_orders_email_status as ENUM ('created', 'sent', 'error', 'blocked');
+
+CREATE TABLE delayed_orders_email (
+    id SERIAL PRIMARY KEY,
+    order_id int REFERENCES orders (id) NOT NULL,
+    type delayed_orders_email_type NOT NULL,
+    status delayed_orders_email_status NOT NULL,
+    date timestamp with time zone DEFAULT now()
+);
+
+-- This creates a partial unique constraint.
+-- It enforces max one automatic email; allows multiple manual emails; enables blocking automatic email.
+CREATE UNIQUE INDEX unique_automatic_delayed_orders_emails ON delayed_orders_email (order_id) WHERE (type = 'automatic');
+