GORM and GIN Examples

package main

import (
	"github.com/gin-gonic/gin"
	"github.com/jinzhu/gorm"
	_ "github.com/jinzhu/gorm/dialects/mysql"
	"fmt"
)

type Person struct {
	ID uint `json:"id""`
	FirstName string `json:"firstname"`
	LastName string `json:"lastname"`
}

var db *gorm.DB
var err error

func main() {
	db, err = gorm.Open("mysql", "root:pass@/test?charset=utf8&parseTime=True&loc=Local")
	if err != nil {
		fmt.Println(err)
	}
	defer db.Close()
	db.AutoMigrate(&Person{})

	r := gin.Default()
	r.GET("/", func(c *gin.Context) {
		c.JSON(200, gin.H{
			"message": "Hello World",
		})
	})
	r.GET("/people/", GetPeople)
	r.GET("/people/:id", GetPerson)
	r.POST("/people", CreatePerson)
	r.PUT("/people/:id", UpdatePerson)
	r.DELETE("/people/:id", DeletePerson)

	r.Run(":8080")
}

func DeletePerson(c *gin.Context) {
	id := c.Params.ByName("id")
	var person Person
	d := db.Where("id = ?", id).Delete(&person)
	fmt.Println(d)
	c.JSON(200, gin.H{"id #" + id: "deleted"})
}

func UpdatePerson(c *gin.Context) {
	var person Person
	id := c.Params.ByName("id")
	if err := db.Where("id = ?", id).First(&person).Error; err != nil {
		c.AbortWithStatus(404)
		fmt.Println(err)
	}
	c.BindJSON(&person)
	db.Save(&person)
	c.JSON(200, person)
}

func CreatePerson(c *gin.Context) {
	var person Person
	c.BindJSON(&person)
	db.Create(&person)
	c.JSON(200, person)
}

func GetPeople(c *gin.Context) {
	var people []Person
	if err := db.Find(&people).Error; err != nil {
		c.AbortWithStatus(404)
		fmt.Println(err)
	} else {
		c.JSON(200, people)
	}
}

func GetPerson(c *gin.Context) {
	id := c.Params.ByName("id")
	var person Person
	if err := db.Where("id = ?", id).First(&person).Error; err != nil {
		c.AbortWithStatus(404)
		fmt.Println(err)
	} else {
		c.JSON(200, person)
	}
}