k3forx / booking-app

booking-app

Requirements

❯ go version
go version go1.16 darwin/amd64

How to run?

❯ go run ./cmd/web/*.go
Starting application on port :8080

Unit test

There are several ways to execute unit test.

❯ go test

❯ go test -v ./...  # Execute all tests

❯ go test -v  # Show each test cases

❯ go test -cover  # Show coverage rate

❯ go test -coverprofile=coverage.out && go tool cover -html=coverage.out  # Show covered lines with html file on browser

Install pop package

https://gobuffalo.io/en/docs/db/getting-started/

Pop makes it easy to do CRUD operations with basic ORM functionality, run migrations, and build/execute queries.

❯ go get github.com/gobuffalo/pop/...

Migrations

❯ soda generate fizz CreateUsersTable

Write migration in ...up.fizz file.

❯ soda migrate

See https://gobuffalo.io/en/docs/db/migrations/ for more details.

After all migrations are completed

There are several tables in booking database.

❯ docker exec -it postgres bash
root@b983aecf24c2:/# psql -U root
psql (13.3 (Debian 13.3-1.pgdg100+1))
Type "help" for help.

root=# \c booking;
You are now connected to database "booking" as user "root".
booking=# \d+;
                                       List of relations
 Schema |           Name           |   Type   | Owner | Persistence |    Size    | Description
--------+--------------------------+----------+-------+-------------+------------+-------------
 public | reservations             | table    | root  | permanent   | 8192 bytes |
 public | reservations_id_seq      | sequence | root  | permanent   | 8192 bytes |
 public | restrictions             | table    | root  | permanent   | 0 bytes    |
 public | restrictions_id_seq      | sequence | root  | permanent   | 8192 bytes |
 public | room_restrictions        | table    | root  | permanent   | 0 bytes    |
 public | room_restrictions_id_seq | sequence | root  | permanent   | 8192 bytes |
 public | rooms                    | table    | root  | permanent   | 0 bytes    |
 public | rooms_id_seq             | sequence | root  | permanent   | 8192 bytes |
 public | schema_migration         | table    | root  | permanent   | 8192 bytes |
 public | users                    | table    | root  | permanent   | 8192 bytes |
 public | users_id_seq             | sequence | root  | permanent   | 8192 bytes |
(11 rows)

booking=# exit
root@b983aecf24c2:/# exit
exit

Re-create all tables

❯ soda reset

Questions

• What is repository pattern in Golang?
• All handlers (business logic) are depends on interface in repository.go?
  • logic in main.go is not depended on interface?