81 lines
2.1 KiB
Go
81 lines
2.1 KiB
Go
package webserver
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import (
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"fmt"
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"net/http"
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"runtime/debug"
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)
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func panic_if(err error) {
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if err != nil {
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panic(err)
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}
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}
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func (app *Application) error_400_with_message(w http.ResponseWriter, r *http.Request, msg string) {
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if is_htmx(r) {
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app.toast(w, r, 400, Toast{Title: "Bad Request", Message: msg, Type: "error"})
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} else {
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http.Error(w, fmt.Sprintf("Bad Request\n\n%s", msg), 400)
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}
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}
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func (app *Application) error_401(w http.ResponseWriter, r *http.Request) {
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msg := "Please log in or set an active session."
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if app.ActiveUser.ID != 0 {
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msg += " (There is currently an active user, but scraping is disabled.)"
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}
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if is_htmx(r) {
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app.toast(w, r, 401, Toast{Title: "Login required", Message: msg, Type: "error"})
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} else {
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http.Error(w, msg, 401)
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}
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}
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func (app *Application) error_404(w http.ResponseWriter, r *http.Request) {
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if is_htmx(r) {
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app.toast(w, r, 404, Toast{Title: "Not found", Type: "error"})
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} else {
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http.Error(w, "Not Found", 404)
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}
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}
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func (app *Application) error_500(w http.ResponseWriter, r *http.Request, err error) {
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trace := fmt.Sprintf("%s\n%s", err.Error(), debug.Stack())
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err2 := app.ErrorLog.Output(2, trace) // Magic
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if err2 != nil {
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panic(err2)
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}
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if is_htmx(r) {
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app.toast(w, r, 500, Toast{Title: "Server error", Message: err.Error(), Type: "error"})
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} else {
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http.Error(w, err.Error(), 500)
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}
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}
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// The toast is the primary payload (i.e., not OOB)
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func (app *Application) toast(w http.ResponseWriter, r *http.Request, status_code int, t Toast) {
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// Reset the HTMX response to return an error toast and append it to the Toasts container
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w.Header().Set("HX-Reswap", "beforeend")
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w.Header().Set("HX-Retarget", "#toasts")
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w.Header().Set("HX-Push-Url", "false")
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w.WriteHeader(status_code) // Must be called after all `Header.Set(...)`
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app.buffered_render_htmx(w, "toast", PageGlobalData{}, t)
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}
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// `Type` can be:
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// - "success" (default)
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// - "warning"
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// - "error"
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//
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// If "AutoCloseDelay" is not 0, the toast will auto-disappear after that many milliseconds.
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type Toast struct {
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Title string
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Message string
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Type string
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AutoCloseDelay int64
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}
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