package main // https://go.dev/doc/tutorial/web-service-gin import ( "net/http" "github.com/gin-gonic/gin" ) type album struct { ID string `json:"id"` Title string `json:"title"` Artist string `json:"artist"` Price float64 `json:"price"` } var albums = []album{ {ID: "1", Title: "Blue Train", Artist: "John Coltrane", Price: 56.99}, {ID: "2", Title: "Jeru", Artist: "Gerry Mulligan", Price: 17.99}, {ID: "3", Title: "Sarah Vaughan and Clifford Brown", Artist: "Sarah Vaughan", Price: 39.99}, } func getAlbums(c *gin.Context) { c.IndentedJSON(http.StatusOK, albums) } 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 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 main() { router := gin.Default() router.GET("/albums", getAlbums) router.GET("/albums/:id", getAlbumByID) router.POST("/albums", postAlbums) router.Run("localhost:8123") }