From 11ba82ebf05ebf5d556dd466028a3f718ef921dc Mon Sep 17 00:00:00 2001
From: SEK1RO <vlad@sek1.ro>
Date: Wed, 1 Apr 2026 10:58:05 +0300
Subject: [PATCH] 4 studio usage

---
 4/data.js    |  8 ++++----
 4/schema.sql | 20 +++++++++++---------
 2 files changed, 15 insertions(+), 13 deletions(-)

diff --git a/4/data.js b/4/data.js
index 770a405..98499d4 100644
--- a/4/data.js
+++ b/4/data.js
@@ -148,7 +148,7 @@ function GenPrice(max = 1000) {
 
 const ClassTypes = ['Theory', 'Practice']
 const RegistrationStatuses = ['NotPaid', 'Paid']
-const EquipmentUsageTypes = ['PayOnce', 'PayMonthly']
+const UsageTypes = ['PayOnce', 'PayMonthly']
 
 const COUNT = 10
 
@@ -196,8 +196,8 @@ script += 'INSERT INTO "Client" ("Person_id", phone, email, billing_account) ' +
 })
 
 // Studio
-script += 'INSERT INTO "Studio" (address, capacity, begin_date, duration) ' + Values(() => {
-  return `(${GenAddress()}, ${GenInt(10, 80)}, ${GenTimestamp()}, ${GenIntervalHours(12)})`
+script += 'INSERT INTO "Studio" (address, capacity, begin_date, duration, usage_price, usage_type) ' + Values(() => {
+  return `(${GenAddress()}, ${GenInt(10, 80)}, ${GenTimestamp()}, ${GenIntervalHours(12)}, ${GenPrice(300)}, '${UsageTypes[GenMaxUInt(UsageTypes.length)]}')`
 })
 
 // Course
@@ -232,7 +232,7 @@ script += Many(`INSERT INTO "FoodProduct" ("FoodProductEnum_id", "Class_begin_da
 
 // Equipment
 script += 'INSERT INTO "Equipment" ("Studio_id", name, usage_price, usage_type, delivery_price, delivery_date) ' + Values(() => {
-  return `(${GenInt(1, COUNT + 1)}, 'оборудование ${GenMaxUInt(100)}', ${GenPrice(300)}, '${EquipmentUsageTypes[GenMaxUInt(EquipmentUsageTypes.length)]}', ${GenPrice(200)}, ${GenTimestamp()})`
+  return `(${GenInt(1, COUNT + 1)}, 'оборудование ${GenMaxUInt(100)}', ${GenPrice(300)}, '${UsageTypes[GenMaxUInt(UsageTypes.length)]}', ${GenPrice(200)}, ${GenTimestamp()})`
 })
 
 // Class_Equipment
diff --git a/4/schema.sql b/4/schema.sql
index 117be5a..954217e 100644
--- a/4/schema.sql
+++ b/4/schema.sql
@@ -1,6 +1,12 @@
 DROP TABLE IF EXISTS "Person", "Client", "Master", "Studio", "Course", "Class", "Class_Master", "Registration", "FoodProductEnum", "FoodProduct", "Equipment", "Class_Equipment", "DrugEnum", "Drug", "DrugIntolerance", "ActivityLog";
 
-DROP TYPE IF EXISTS "ClassType", "RegistrationStatus", "EquipmentUsageType";
+DROP TYPE IF EXISTS "ClassType", "RegistrationStatus", "UsageType";
+
+
+CREATE TYPE "UsageType" AS ENUM (
+  'PayOnce',
+  'PayMonthly'
+);
 
 
 CREATE TABLE "Person" (
@@ -40,7 +46,9 @@ CREATE TABLE "Studio" (
   address text UNIQUE NOT NULL,
   capacity int NOT NULL CHECK (capacity > 0),
   begin_date timestamptz NOT NULL,
-  duration interval NOT NULL
+  duration interval NOT NULL,
+  usage_price real NOT NULL,
+  usage_type "UsageType" NOT NULL
 );
 
 
@@ -154,18 +162,12 @@ CREATE TABLE "FoodProduct" (
 );
 
 
-CREATE TYPE "EquipmentUsageType" AS ENUM (
-  'PayOnce',
-  'PayMonthly'
-);
-
-
 CREATE TABLE "Equipment" (
   id int GENERATED ALWAYS AS IDENTITY PRIMARY KEY,
   "Studio_id" int,
   name text NOT NULL,
   usage_price real NOT NULL,
-  usage_type "EquipmentUsageType" NOT NULL,
+  usage_type "UsageType" NOT NULL,
   delivery_price real NOT NULL,
   delivery_date timestamptz NOT NULL,