84 lines
1.8 KiB
Go
84 lines
1.8 KiB
Go
package main
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import (
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"bytes"
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"errors"
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"fmt"
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"log/slog"
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"net/http"
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"runtime/debug"
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"time"
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"github.com/go-playground/form/v4"
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)
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// newTemplateData ...
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func (app *application )newTemplateData(r *http.Request) templateData {
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return templateData{
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CurrentYear: time.Now().Year(),
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Flash: app.sessionManager.PopString(r.Context(), "flash"),
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}
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}
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// render ...
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func (app *application) render(w http.ResponseWriter, r *http.Request, status int, page string, data templateData) {
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ts, ok := app.templateCache[page]
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if !ok {
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err := fmt.Errorf("the template %s does not exist", page)
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app.serverError(w, r, err)
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return
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}
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buf := new(bytes.Buffer)
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err := ts.ExecuteTemplate(buf, "base", data)
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if err != nil {
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app.serverError(w, r, err)
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return
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}
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w.WriteHeader(status)
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buf.WriteTo(w)
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}
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func (app *application) serverError(w http.ResponseWriter, r *http.Request, err error) {
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var (
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method = r.Method
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trace = string(debug.Stack())
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uri = r.URL.RequestURI()
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)
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app.logger.Error(err.Error(), slog.String("method", method), slog.String("trace", trace), slog.String("uri", uri))
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http.Error(w, http.StatusText(http.StatusInternalServerError), http.StatusInternalServerError)
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}
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func (app *application) clientError(w http.ResponseWriter, status int) {
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http.Error(w, http.StatusText(status), status)
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}
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func (app *application) notFound(w http.ResponseWriter) {
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app.clientError(w, http.StatusNotFound)
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}
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// (app *application) ...
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func (app *application) decodePostForm(r *http.Request, dst any) error {
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err := r.ParseForm()
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if err != nil {
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return err
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}
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err = app.formDecoder.Decode(dst, r.PostForm)
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if err != nil {
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var invalidDecoderError *form.InvalidDecoderError
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if errors.As(err, &invalidDecoderError) {
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panic(err)
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}
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return err
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}
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return nil
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}
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