main.go

package main

import (
	"net/http"

	"github.com/gin-gonic/gin"
)

type album struct {
	ID string `json:"id"`
}

var albums = []album{
	{ID: "1"},
}

func getAlbums(c *gin.Context) {
	c.IndentedJSON(http.StatusOK, albums)
}

func postAlbums(c *gin.Context) {
	var newAlbum album
	if err := c.BindJSON(&newAlbum); err != nil {
		return
	}
	albums = append(albums, newAlbum)
	c.IndentedJSON(http.StatusCreated, newAlbum)
}

func getAlbumById(c *gin.Context) {
	id := c.Param("id")
	for _, a := range albums {
		if a.ID == id {
			c.IndentedJSON(http.StatusOK, a)
			return
		}
	}
	c.IndentedJSON(http.StatusNotFound, gin.H{"message": "album not found"})
}

func deleteAlbum(c *gin.Context) {
	id := c.Param("id")
	for i, a := range albums {
		if a.ID == id {
			albums = append(albums[:i], albums[i+1:]...)
			c.IndentedJSON(http.StatusCreated, albums)
		}
	}
}

func main() {
	router := gin.Default()
	router.GET("/albums", getAlbums)
	router.POST("/albums", postAlbums)
	router.GET("/albums/:id", getAlbumById)
	router.DELETE("/albums/:id", deleteAlbum)
	router.Run("localhost:8080")
}