Merge pull request #2 from bagashiz/feat/setup-database-migrations

feat: setup database migrations

Taskfile.yml

@@ -4,6 +4,7 @@ version: "3"
 
 vars:
   DBML_FILE: "./schema.dbml"
+  DSN: "{{.DB_CONNECTION}}://{{.DB_USERNAME}}:{{.DB_PASSWORD}}@{{.DB_HOST}}:{{.DB_PORT}}/{{.DB_DATABASE}}?sslmode=disable"
 
 dotenv:
   - ".env"
@@ -13,7 +14,9 @@ tasks:
     desc: "Gettings started"
     cmds:
       - task: install
-      - task: db:start
+      - task: db:up
+      - task: db:create
+      - task: migrate:up
       - task: dev
 
   db:docs:
@@ -23,25 +26,65 @@ tasks:
       vars:
         - DBML_FILE
 
-  db:start:
+  db:up:
     desc: "Start database container"
     cmd: podman-compose up -d
 
-  db:stop:
+  db:create:
+    desc: "Create database schema"
+    cmd: podman exec -it postgres_gopos sh -c "psql -U {{.DB_USERNAME}} -c 'CREATE DATABASE {{.DB_DATABASE}};'"
+    requires:
+      vars:
+        - DB_USERNAME
+        - DB_DATABASE
+
+  migrate:up:
+    desc: "Run database migrations"
+    cmd: migrate -path ./db/migrations -database {{.DSN}} -verbose up {{.CLI_ARGS}}
+    requires:
+      vars:
+        - DSN
+
+  migrate:down:
+    desc: "Rollback database migrations"
+    cmd: migrate -path ./db/migrations -database {{.DSN}} -verbose down {{.CLI_ARGS}}
+    requires:
+      vars:
+        - DSN
+
+  db:drop:
+    desc: "Drop database schema"
+    cmd: podman exec -it postgres_gopos sh -c "psql -U {{.DB_USERNAME}} -c 'DROP DATABASE {{.DB_DATABASE}};'"
+    requires:
+      vars:
+        - DB_USERNAME
+        - DB_DATABASE
+
+  db:down:
     desc: "Stop database container"
     cmd: podman-compose down
 
+  sqlc:
+    desc: "Generate SQL code"
+    cmd: sqlc generate
+
   dev:
     desc: "Start development server"
     cmd: air
 
   build:
     desc: "Build binary"
     cmd: go build -o ./bin/{{.APP_NAME}} ./cmd/http/main.go
+    requires:
+      vars:
+        - APP_NAME
 
   start:
     desc: "Start binary"
     cmd: ./bin/{{.APP_NAME}}
+    requires:
+      vars:
+        - APP_NAME
 
   # docs:
   #   desc: "Generate swagger documentation"
@@ -58,3 +101,5 @@ tasks:
     cmds:
       - go install github.com/go-task/task/v3/cmd/task@latest
       - go install github.com/cosmtrek/air@latest
+      - go install github.com/sqlc-dev/sqlc/cmd/sqlc@latest
+      - go install -tags 'postgres' github.com/golang-migrate/migrate/v4/cmd/migrate@latest

db/migrations/000001_create_users_table.down.sql

@@ -0,0 +1,3 @@
+DROP TABLE IF EXISTS "users";
+
+DROP TYPE IF EXISTS "users_role_enum";

db/migrations/000001_create_users_table.up.sql

@@ -0,0 +1,13 @@
+CREATE TYPE "users_role_enum" AS ENUM ('admin', 'cashier');
+
+CREATE TABLE "users" (
+    "id" BIGSERIAL PRIMARY KEY,
+    "name" varchar NOT NULL,
+    "email" varchar NOT NULL,
+    "password" varchar NOT NULL,
+    "role" users_role_enum DEFAULT 'cashier',
+    "created_at" timestamptz NOT NULL DEFAULT (now()),
+    "updated_at" timestamptz NOT NULL DEFAULT (now())
+);
+
+CREATE UNIQUE INDEX "email" ON "users" ("email");

db/migrations/000002_create_payments_table.down.sql

@@ -0,0 +1 @@
+DROP TABLE IF EXISTS "payments";

db/migrations/000002_create_payments_table.up.sql

@@ -0,0 +1,10 @@
+CREATE TABLE "payments" (
+    "id" BIGSERIAL PRIMARY KEY,
+    "name" varchar NOT NULL,
+    "type" varchar NOT NULL,
+    "logo" varchar,
+    "created_at" timestamptz NOT NULL DEFAULT (now()),
+    "updated_at" timestamptz NOT NULL DEFAULT (now())
+);
+
+CREATE UNIQUE INDEX "payment_name" ON "payments" ("name");

db/migrations/000003_create_orders_table.down.sql

@@ -0,0 +1,7 @@
+ALTER TABLE
+    IF EXISTS "orders" DROP CONSTRAINT "fk_users_orders";
+
+ALTER TABLE
+    IF EXISTS "orders" DROP CONSTRAINT "fk_payments_orders";
+
+DROP TABLE IF EXISTS "orders";

db/migrations/000003_create_orders_table.up.sql

@@ -0,0 +1,30 @@
+CREATE TABLE "orders" (
+    "id" BIGSERIAL PRIMARY KEY,
+    "user_id" bigint NOT NULL,
+    "payment_id" bigint NOT NULL,
+    "customer_name" varchar NOT NULL,
+    "total_price" decimal(18, 2) NOT NULL,
+    "total_paid" decimal(18, 2) NOT NULL,
+    "total_return" decimal(18, 2) NOT NULL,
+    "receipt_code" uuid NOT NULL DEFAULT (gen_random_uuid()),
+    "created_at" timestamptz NOT NULL DEFAULT (now()),
+    "updated_at" timestamptz NOT NULL DEFAULT (now())
+);
+
+CREATE INDEX "orders_customer_name" ON "orders" ("customer_name");
+
+CREATE INDEX "orders_payment_id" ON "orders" ("payment_id");
+
+CREATE INDEX "orders_user_id" ON "orders" ("user_id");
+
+CREATE UNIQUE INDEX "receipt_code" ON "orders" ("receipt_code");
+
+ALTER TABLE
+    "orders"
+ADD
+    CONSTRAINT "fk_payments_orders" FOREIGN KEY ("payment_id") REFERENCES "payments" ("id") ON DELETE NO ACTION ON UPDATE NO ACTION;
+
+ALTER TABLE
+    "orders"
+ADD
+    CONSTRAINT "fk_users_orders" FOREIGN KEY ("user_id") REFERENCES "users" ("id") ON DELETE NO ACTION ON UPDATE NO ACTION;

db/migrations/000004_create_categories_table.down.sql

@@ -0,0 +1 @@
+DROP TABLE IF EXISTS "categories";

db/migrations/000004_create_categories_table.up.sql

@@ -0,0 +1,8 @@
+CREATE TABLE "categories" (
+    "id" BIGSERIAL PRIMARY KEY,
+    "name" varchar NOT NULL,
+    "created_at" timestamptz NOT NULL DEFAULT (now()),
+    "updated_at" timestamptz NOT NULL DEFAULT (now())
+);
+
+CREATE UNIQUE INDEX "category_name" ON "categories" ("name");

db/migrations/000005_create_products_table.down.sql

@@ -0,0 +1,4 @@
+ALTER TABLE
+    "products" DROP CONSTRAINT "fk_categories_products";
+
+DROP TABLE IF EXISTS "products";

db/migrations/000005_create_products_table.up.sql

@@ -0,0 +1,22 @@
+CREATE TABLE "products" (
+    "id" BIGSERIAL PRIMARY KEY,
+    "category_id" bigint NOT NULL,
+    "sku" varchar NOT NULL,
+    "name" varchar NOT NULL,
+    "stock" bigint NOT NULL,
+    "price" decimal(18, 2) NOT NULL,
+    "image" varchar,
+    "created_at" timestamptz NOT NULL DEFAULT (now()),
+    "updated_at" timestamptz NOT NULL DEFAULT (now())
+);
+
+CREATE INDEX "products_category_id" ON "products" ("category_id");
+
+CREATE INDEX "products_name" ON "products" ("name");
+
+CREATE UNIQUE INDEX "sku" ON "products" ("sku");
+
+ALTER TABLE
+    "products"
+ADD
+    CONSTRAINT "fk_categories_products" FOREIGN KEY ("category_id") REFERENCES "categories" ("id") ON DELETE NO ACTION ON UPDATE NO ACTION;

db/migrations/000006_create_order_products_table.down.sql

@@ -0,0 +1,7 @@
+ALTER TABLE
+    IF EXISTS "order_products" DROP CONSTRAINT "fk_products_order_products";
+
+ALTER TABLE
+    IF EXISTS "order_products" DROP CONSTRAINT "fk_orders_order_products";
+
+DROP TABLE IF EXISTS "order_products";

db/migrations/000006_create_order_products_table.up.sql

@@ -0,0 +1,23 @@
+CREATE TABLE "order_products" (
+    "id" BIGSERIAL PRIMARY KEY,
+    "order_id" bigint NOT NULL,
+    "product_id" bigint NOT NULL,
+    "quantity" bigint NOT NULL,
+    "total_price" decimal(18, 2) NOT NULL,
+    "created_at" timestamptz NOT NULL DEFAULT (now()),
+    "updated_at" timestamptz NOT NULL DEFAULT (now())
+);
+
+CREATE INDEX "order_product_order_id" ON "order_products" ("order_id");
+
+CREATE INDEX "order_product_product_id" ON "order_products" ("product_id");
+
+ALTER TABLE
+    "order_products"
+ADD
+    CONSTRAINT "fk_orders_order_products" FOREIGN KEY ("order_id") REFERENCES "orders" ("id") ON DELETE NO ACTION ON UPDATE NO ACTION;
+
+ALTER TABLE
+    "order_products"
+ADD
+    CONSTRAINT "fk_products_order_products" FOREIGN KEY ("product_id") REFERENCES "products" ("id") ON DELETE NO ACTION ON UPDATE NO ACTION;

docker-compose.yml

@@ -1,4 +1,4 @@
-version: '3.8'
+version: "3.8"
 
 services:
   postgres_gopos:
@@ -13,7 +13,6 @@ services:
     environment:
       POSTGRES_USER: ${DB_USERNAME}
       POSTGRES_PASSWORD: ${DB_PASSWORD}
-      POSTGRES_DB: ${DB_DATABASE}
 
 volumes:
   data:

schema.dbml

@@ -59,9 +59,9 @@ Indexes {
 
 Table "categories" {
   "id" bigserial [pk, increment]
-  "updated_at" timestamptz [not null, default: `now()`]
-  "created_at" timestamptz [not null, default: `now()`]
   "name" varchar [not null]
+  "created_at" timestamptz [not null, default: `now()`]
+  "updated_at" timestamptz [not null, default: `now()`]
 
 Indexes {
   name [unique, name: "category_name"]

sqlc.yaml

@@ -0,0 +1,13 @@
+version: "2"
+sql:
+    - engine: "postgresql"
+      schema: "./db/migrations"
+      queries: "./db/queries"
+      gen:
+          go:
+              package: "repository"
+              out: "./internal/adapter/repository"
+              sql_package: "pgx/v5"
+              emit_json_tags: true
+              emit_interface: true
+              emit_empty_slices: true