42 lines
1.2 KiB
Go
42 lines
1.2 KiB
Go
package responses
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import (
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"fmt"
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"net/http"
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"github.com/kirsle/blog/internal/sessions"
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)
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// Error handlers to be filled in by the blog app.
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var (
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NotFound func(http.ResponseWriter, *http.Request, string)
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Forbidden func(http.ResponseWriter, *http.Request, string)
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BadRequest func(http.ResponseWriter, *http.Request, string)
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Error func(http.ResponseWriter, *http.Request, string)
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)
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// Flash adds a flash message to the user's session.
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func Flash(w http.ResponseWriter, r *http.Request, message string, args ...interface{}) {
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session := sessions.Get(r)
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session.AddFlash(fmt.Sprintf(message, args...))
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session.Save(r, w)
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}
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// FlashAndRedirect flashes and redirects in one go.
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func FlashAndRedirect(w http.ResponseWriter, r *http.Request, location, message string, args ...interface{}) {
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Flash(w, r, message, args...)
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Redirect(w, location)
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}
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// FlashAndReload flashes and sends a redirect to the same path.
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func FlashAndReload(w http.ResponseWriter, r *http.Request, message string, args ...interface{}) {
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Flash(w, r, message, args...)
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Redirect(w, r.URL.Path)
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}
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// Redirect sends an HTTP redirect response.
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func Redirect(w http.ResponseWriter, location string) {
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w.Header().Set("Location", location)
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w.WriteHeader(http.StatusFound)
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}
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