From 58c00ca515142d27e3fb324539dedd75b8740bcf Mon Sep 17 00:00:00 2001
From: Masaya Tojo <masaya@tojo.tokyo>
Date: Tue, 28 Feb 2023 22:20:25 +0900
Subject: Add function to insert item.

---
 deploy/insert_item.sql | 26 ++++++++++++++++++++++++++
 revert/insert_item.sql |  7 +++++++
 sqitch.plan            |  1 +
 verify/insert_item.sql |  7 +++++++
 4 files changed, 41 insertions(+)
 create mode 100644 deploy/insert_item.sql
 create mode 100644 revert/insert_item.sql
 create mode 100644 verify/insert_item.sql

diff --git a/deploy/insert_item.sql b/deploy/insert_item.sql
new file mode 100644
index 0000000..a0a5b5c
--- /dev/null
+++ b/deploy/insert_item.sql
@@ -0,0 +1,26 @@
+-- Deploy kakeibo:insert_item to pg
+-- requires: appschema
+-- requires: items
+
+BEGIN;
+
+CREATE OR REPLACE FUNCTION kakeibo.insert_transaction(
+  p_transaction_id INTEER,
+  p_category TEXT,
+  p_subcategory TEXT,
+  p_amount INTEGER,
+  p_note TEXT
+) RETURNS INTEGER AS $$
+DECLARE
+  inserted_id INTEGER;
+BEGIN
+  INSERT INTO kakeibo.items (
+    transaction_id, category, subcategory, amount, note
+  ) VALUES (
+    p_transaction_id, p_category, p_subcategory, p_amount, p_note
+  ) RETURNING id INTO inserted_id;
+  RETURN inserted_id;
+END;
+$$ LANGUAGE plpgsql SECURITY DEFINER;
+
+COMMIT;
diff --git a/revert/insert_item.sql b/revert/insert_item.sql
new file mode 100644
index 0000000..40417f0
--- /dev/null
+++ b/revert/insert_item.sql
@@ -0,0 +1,7 @@
+-- Revert kakeibo:insert_item from pg
+
+BEGIN;
+
+DROP FUNCTION kakeibo.insert_item;
+
+COMMIT;
diff --git a/sqitch.plan b/sqitch.plan
index 8bb9a76..ee84944 100644
--- a/sqitch.plan
+++ b/sqitch.plan
@@ -8,3 +8,4 @@ transactions [appschema transaction_type] 2023-02-27T15:53:02Z Masaya Tojo <masa
 insert_transaction [appschema transactions] 2023-02-28T01:06:21Z Masaya Tojo <masaya@tojo.tokyo> # Add function to insert transaction.
 delete_transaction [transactions appschema] 2023-02-28T12:00:07Z Masaya Tojo <masaya@tojo.tokyo> # Create a function to delete a transaction.
 items [appschema transactions] 2023-02-28T12:08:45Z Masaya Tojo <masaya@tojo.tokyo> # Add items table for tracking individual products in transaction.
+insert_item [appschema items] 2023-02-28T13:13:22Z Masaya Tojo <masaya@tojo.tokyo> # Add function to insert item.
diff --git a/verify/insert_item.sql b/verify/insert_item.sql
new file mode 100644
index 0000000..dac4fba
--- /dev/null
+++ b/verify/insert_item.sql
@@ -0,0 +1,7 @@
+-- Verify kakeibo:insert_item on pg
+
+BEGIN;
+
+SELECT has_function_privilege('kakeibo.insert_item(kakeibo.transaction_type, date, text)', 'execute');
+
+ROLLBACK;
-- 
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