92 lines
2.6 KiB
Go
92 lines
2.6 KiB
Go
package main
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import (
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"fmt"
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"net/http"
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"time"
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"greenlight.debuggingjon.dev/internal/data"
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"greenlight.debuggingjon.dev/internal/validator"
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)
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func (app *application) createMovieHandler(w http.ResponseWriter, r *http.Request) {
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var input struct {
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Title string `json:"title"`
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Year int32 `json:"year"`
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Runtime data.Runtime `json:"runtime"`
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Genres []string `json:"genres"`
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}
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err := app.readJSON(w, r, &input)
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if err != nil {
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app.badRequestResponse(w, r, err)
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return
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}
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// Copy the values from the input struct to a new Movie struct.
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movie := &data.Movie{
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Title: input.Title,
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Year: input.Year,
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Runtime: input.Runtime,
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Genres: input.Genres,
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}
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// Initialize a new Validator.
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v := validator.New()
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// Call the ValidateMovie() function and return a response containing the errors if
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// any of the checks fail.
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if data.ValidateMovie(v, movie); !v.Valid() {
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app.failedValidationResponse(w, r, v.Errors)
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return
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}
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// Call the Insert() method on our movies model, passing in a pointer to the
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// validated movie struct. This will create a record in the database and update the
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// movie struct with the system-generated information.”
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err = app.models.Movies.Insert(movie)
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if err != nil {
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app.serverErrorResponse(w, r, err)
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return
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}
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// When sending a HTTP response, we want to include a Location header to let the
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// client know which URL they can find the newly-created resource at. We make an
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// empty http.Header map and then use the Set() method to add a new Location header,
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// interpolating the system-generated ID for our new movie in the URL.
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headers := make(http.Header)
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headers.Set("Location", fmt.Sprintf("/v1/movies/%d", movie.ID))
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// Write a JSON response with a 201 Created status code, the movie data in the
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// response body, and the Location header.
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err = app.writeJSON(w, http.StatusCreated, envelope{"movie": movie}, headers)
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if err != nil {
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app.serverErrorResponse(w, r, err)
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}
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}
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func (app *application) showMovieHandler(w http.ResponseWriter, r *http.Request) {
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id, err := app.readIDParam(r)
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if err != nil {
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// Use the new notFoundResponse() helper.
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app.notFoundResponse(w, r)
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return
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}
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movie := data.Movie{
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ID: id,
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CreatedAt: time.Now(),
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Title: "Casablanca",
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Runtime: 102,
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Genres: []string{"drama", "romance", "war"}, Version: 1,
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}
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// Create an envelope{"movie": movie} instance and pass it to writeJSON(), instead
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// of passing the plain movie struct.
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err = app.writeJSON(w, http.StatusOK, envelope{"movie": movie}, nil)
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if err != nil {
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// Use the new serverErrorResponse() helper.
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app.serverErrorResponse(w, r, err)
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}
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}
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