graphql-example-part-1

README

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GraphQL-based Service with Go-Chi

Global Template Repository for Development and Operations Of Your Projects.

Key	Values
Author	Muhammad Febrian Ardiansyah
Email	mfardiansyah.id@gmail.com
LinkedIn	Muhammad Febrian Ardiansyah
Personal Homepage	https://mfardiansyah.id

Table of Contents

• Dependencies
• Prerequisites
• Installation
• Development
• Usage
• Generate private and public key
• Using graphQL generator
• Contributing
• License

Getting Started

These instructions will get you a copy of the project up and running on your local machine for development and testing purposes. See deployment for notes on how to deploy the project on a live system.

Prerequisites

What things you need to install the software and how to install them

apt-get -y install git

Or

yum -y install git

Installation

A step by step series of examples that tell you how to get a development env running

Say what the step will be clone this repository.

git clone git@github.com:ardihikaru/graphql-example-part-1.git

• Golang linter
• golang-ci is one of the IMPORTANT packages. Any developer who will maintain this project should install it. The installation command is as follows:

  go install github.com/golangci/golangci-lint/cmd/golangci-lint@v1.46.2
  

• Everytime the code is updated, please run following command:

  golangci-lint run ./...
  
  # or this command:
  golangci-lint run ./... --fast -v
  

Development

• N/A

Usage

Reference and programming instructional materials.

Generate private and public key

• referenced article

  # generate a private key with the correct length
  openssl genrsa -out private-key.pem 3072
  
  # generate corresponding public key
  openssl rsa -in private-key.pem -pubout -out public-key.pem
  
  # optional: create a self-signed certificate
  openssl req -new -x509 -key private-key.pem -out cert.pem -days 360
  
  # optional: convert pem to pfx
  openssl pkcs12 -export -inkey private-key.pem -in cert.pem -out cert.pfx
  

Using GraphQL Generator

• Cli command to use (one by one)

go get github.com/99designs/gqlgen@v0.17.45

go run github.com/99designs/gqlgen generate

• Cli command to use (at once)

go get github.com/99designs/gqlgen@v0.17.45 && go run github.com/99designs/gqlgen generate

Contributing

Pull requests are welcome. For major changes, please open an issue first to discuss what you would like to change.

Please make sure to update tests as appropriate.

Looking to contribute to our code but need some help? There's a few ways to get information:

• Connect with me on Twitter
• Connect with me on Facebook
• Connect with me on LinkedIn
• Log an issue here on github

Versioning

We use SemVer for versioning. For the versions available, see the tags on this repository.

Authors

• Muhammad Febrian Ardiansyah - Initial work

License

This project is licensed under the MIT License - see the LICENSE file for details

Copyright © 2024 Public Use. All Rights Reserved.

Acknowledgments

• Hat tip to anyone whose code was used
• Inspiration
• etc

MISC

• Validates CORS

curl -v --request OPTIONS 'http://localhost:8080/public/service-id' -H 'Origin: http://other-domain.com' -H 'Access-Control-Request-Method: GET'

curl -v --request OPTIONS 'http://localhost:8080/auth/login' -H 'Origin: http://other-domain.com' -H 'Access-Control-Request-Method: POST'

curl -v -X OPTIONS \
  http://localhost:8080/public/service-id \
  -H 'cache-control: no-cache' \
  -F Origin=http://www.google.com

• Allowed CORS result (please set cors.Debug: true)

  [cors] 2024/06/16 23:53:13 Handler: Preflight request
  [cors] 2024/06/16 23:53:13 Preflight response headers: map[Access-Control-Allow-Methods:[GET] Access-Control-Allow-Origin:[http://other-domain.com] Access-Control-Max-Age:[6000] Vary:[Origin Access-Control-Request-Method Access-Control-Request-Headers]]
  

• NOT Allowed CORS result (please set cors.Debug: true)

  [cors] 2024/06/16 23:52:13 Handler: Preflight request
  [cors] 2024/06/16 23:52:13 Preflight aborted: origin 'http://other-domain.com' not allowed
  

Create new module:

kalau ada yg kurang

    go get github.com/99designs/gqlgen@v0.17.45

1. Create graphqls file for the module: edit graph/graphqls/{module_name}.graphqls

2. Generate model & resolvers:

   go run github.com/99designs/gqlgen generate
   

3. Resolvers implementation: edit graph/resolvers/{module_name}.resolvers.go

4. Run:

   go run server.go 8080
   

Penambahan db Sequence connector

• config.yaml :

  dbsequser: root
  dbseqpass: 
  dbseqhost: localhost
  dbseqport: 3306
  dbseqname: his_seq
  

• pemakaian

  db.Handle.Query(q) 
  di ganti menjadi
  db.HandleSeq.Query(q)
  
  db.HandleSeq.Exec(q)
  diganti menjadi 
  db.HandleSeq.Exed(q)