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// file: web/controllers/movie_controller.go
package controllers
import (
"errors"
"github.com/kataras/iris/_examples/mvc/overview/datamodels"
"github.com/kataras/iris/_examples/mvc/overview/services"
"github.com/kataras/iris"
)
// MovieController is our /movies controller.
type MovieController struct {
// Our MovieService, it's an interface which
// is binded from the main application.
Service services.MovieService
}
// Get returns list of the movies.
// Demo:
// curl -i http://localhost:8080/movies
//
// The correct way if you have sensitive data:
// func (c *MovieController) Get() (results []viewmodels.Movie) {
// data := c.Service.GetAll()
//
// for _, movie := range data {
// results = append(results, viewmodels.Movie{movie})
// }
// return
// }
// otherwise just return the datamodels.
func (c *MovieController) Get() (results []datamodels.Movie) {
return c.Service.GetAll()
}
// GetBy returns a movie.
// Demo:
// curl -i http://localhost:8080/movies/1
func (c *MovieController) GetBy(id int64) (movie datamodels.Movie, found bool) {
return c.Service.GetByID(id) // it will throw 404 if not found.
}
// PutBy updates a movie.
// Demo:
// curl -i -X PUT -F "genre=Thriller" -F "poster=@/Users/kataras/Downloads/out.gif" http://localhost:8080/movies/1
func (c *MovieController) PutBy(ctx iris.Context, id int64) (datamodels.Movie, error) {
// get the request data for poster and genre
file, info, err := ctx.FormFile("poster")
if err != nil {
return datamodels.Movie{}, errors.New("failed due form file 'poster' missing")
}
// we don't need the file so close it now.
file.Close()
// imagine that is the url of the uploaded file...
poster := info.Filename
genre := ctx.FormValue("genre")
return c.Service.UpdatePosterAndGenreByID(id, poster, genre)
}
// DeleteBy deletes a movie.
// Demo:
// curl -i -X DELETE -u admin:password http://localhost:8080/movies/1
func (c *MovieController) DeleteBy(id int64) interface{} {
wasDel := c.Service.DeleteByID(id)
if wasDel {
// return the deleted movie's ID
return iris.Map{"deleted": id}
}
// right here we can see that a method function can return any of those two types(map or int),
// we don't have to specify the return type to a specific type.
return iris.StatusBadRequest
}
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