|
| 1 | +package handlers |
| 2 | + |
| 3 | +import ( |
| 4 | + "log/slog" |
| 5 | + "net/http" |
| 6 | + "strings" |
| 7 | + |
| 8 | + "github.com/nicolashery/simply-shared-notes/app/rctx" |
| 9 | + "github.com/nicolashery/simply-shared-notes/app/session" |
| 10 | + "github.com/nicolashery/simply-shared-notes/app/views/pages" |
| 11 | +) |
| 12 | + |
| 13 | +func handleThemeSelect(logger *slog.Logger) http.HandlerFunc { |
| 14 | + return func(w http.ResponseWriter, r *http.Request) { |
| 15 | + err := pages.ThemeSelect().Render(r.Context(), w) |
| 16 | + if err != nil { |
| 17 | + logger.Error( |
| 18 | + "failed to render template", |
| 19 | + slog.Any("error", err), |
| 20 | + slog.String("template", "ThemeSelect"), |
| 21 | + ) |
| 22 | + http.Error(w, "internal server error", http.StatusInternalServerError) |
| 23 | + } |
| 24 | + } |
| 25 | +} |
| 26 | + |
| 27 | +type SelectThemeForm struct { |
| 28 | + Theme string |
| 29 | +} |
| 30 | + |
| 31 | +func parseSelectThemeForm(r *http.Request, f *SelectThemeForm) error { |
| 32 | + err := r.ParseForm() |
| 33 | + if err != nil { |
| 34 | + return err |
| 35 | + } |
| 36 | + |
| 37 | + f.Theme = strings.Trim(r.Form.Get("theme"), " ") |
| 38 | + |
| 39 | + return nil |
| 40 | +} |
| 41 | + |
| 42 | +func handleThemeSet(logger *slog.Logger) http.HandlerFunc { |
| 43 | + return func(w http.ResponseWriter, r *http.Request) { |
| 44 | + var form SelectThemeForm |
| 45 | + err := parseSelectThemeForm(r, &form) |
| 46 | + if err != nil { |
| 47 | + http.Error(w, "failed to parse form", http.StatusBadRequest) |
| 48 | + return |
| 49 | + } |
| 50 | + |
| 51 | + validThemes := map[string]bool{ |
| 52 | + "light": true, |
| 53 | + "dark": true, |
| 54 | + "": true, // system default |
| 55 | + } |
| 56 | + |
| 57 | + if !validThemes[form.Theme] { |
| 58 | + http.Error(w, "invalid theme", http.StatusBadRequest) |
| 59 | + return |
| 60 | + } |
| 61 | + |
| 62 | + sess := rctx.GetSession(r.Context()) |
| 63 | + |
| 64 | + if form.Theme == "" { |
| 65 | + delete(sess.Values, session.ThemeKey) |
| 66 | + } else { |
| 67 | + sess.Values[session.ThemeKey] = form.Theme |
| 68 | + } |
| 69 | + |
| 70 | + err = sess.Save(r, w) |
| 71 | + if err != nil { |
| 72 | + logger.Error("failed to save session", slog.Any("error", err)) |
| 73 | + http.Error(w, "internal server error", http.StatusInternalServerError) |
| 74 | + return |
| 75 | + } |
| 76 | + |
| 77 | + // Redirect back to referring page or home |
| 78 | + referer := r.Header.Get("Referer") |
| 79 | + if referer != "" { |
| 80 | + http.Redirect(w, r, referer, http.StatusSeeOther) |
| 81 | + } else { |
| 82 | + http.Redirect(w, r, "/", http.StatusSeeOther) |
| 83 | + } |
| 84 | + } |
| 85 | +} |
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