| 1 | package calendar |
| 2 | |
| 3 | import ( |
| 4 | "net/http" |
| 5 | "strconv" |
| 6 | "strings" |
| 7 | |
| 8 | "github.com/go-chi/chi/v5" |
| 9 | ) |
| 10 | |
| 11 | // bookingPageForm is the new/edit form's view data. Strings, so a |
| 12 | // rejected form re-renders exactly what was typed. |
| 13 | type bookingPageForm struct { |
| 14 | ID int64 |
| 15 | Action string |
| 16 | Heading string |
| 17 | Submit string |
| 18 | Title string |
| 19 | Description string |
| 20 | Availability string |
| 21 | DurationMin string |
| 22 | BufferMin string |
| 23 | NoticeMin string |
| 24 | HorizonDays string |
| 25 | Pane BookingPaneView |
| 26 | Error string |
| 27 | ErrorField string |
| 28 | } |
| 29 | |
| 30 | func newBookingPageForm() bookingPageForm { |
| 31 | return bookingPageForm{ |
| 32 | Action: "/settings/booking", Heading: "New booking page", Submit: "Create", |
| 33 | DurationMin: "30", |
| 34 | BufferMin: strconv.Itoa(DefaultBufferMin), |
| 35 | NoticeMin: strconv.Itoa(DefaultNoticeMin), |
| 36 | HorizonDays: strconv.Itoa(DefaultHorizonDays), |
| 37 | Pane: BookingPaneView{Empty: true}, |
| 38 | } |
| 39 | } |
| 40 | |
| 41 | func formOfPage(p BookingPageView) bookingPageForm { |
| 42 | return bookingPageForm{ |
| 43 | ID: p.ID, |
| 44 | Action: "/settings/booking/" + strconv.FormatInt(p.ID, 10), |
| 45 | Heading: "Edit booking page", Submit: "Save", |
| 46 | Title: p.Title, Description: p.Description, Availability: p.Availability, |
| 47 | DurationMin: strconv.Itoa(p.DurationMin), BufferMin: strconv.Itoa(p.BufferMin), |
| 48 | NoticeMin: strconv.Itoa(p.NoticeMin), HorizonDays: strconv.Itoa(p.HorizonDays), |
| 49 | Pane: bookingPaneFor(p.Availability), |
| 50 | } |
| 51 | } |
| 52 | |
| 53 | // readBookingPageForm parses a submission. Blank knobs take the |
| 54 | // defaults; a knob of zero is a choice and stays zero. |
| 55 | func readBookingPageForm(r *http.Request) (BookingPageInput, bookingPageForm) { |
| 56 | _ = r.ParseForm() |
| 57 | num := func(name string, def int) (int, string) { |
| 58 | raw := strings.TrimSpace(r.FormValue(name)) |
| 59 | if raw == "" { |
| 60 | return def, strconv.Itoa(def) |
| 61 | } |
| 62 | n, err := strconv.Atoi(raw) |
| 63 | if err != nil { |
| 64 | return -1, raw |
| 65 | } |
| 66 | return n, raw |
| 67 | } |
| 68 | f := bookingPageForm{ |
| 69 | Title: r.FormValue("title"), |
| 70 | Description: r.FormValue("description"), |
| 71 | Availability: r.FormValue("availability"), |
| 72 | } |
| 73 | in := BookingPageInput{Title: f.Title, Description: f.Description, Availability: f.Availability} |
| 74 | in.DurationMin, f.DurationMin = num("duration_min", 30) |
| 75 | in.BufferMin, f.BufferMin = num("buffer_min", DefaultBufferMin) |
| 76 | in.NoticeMin, f.NoticeMin = num("notice_min", DefaultNoticeMin) |
| 77 | in.HorizonDays, f.HorizonDays = num("horizon_days", DefaultHorizonDays) |
| 78 | f.Pane = bookingPaneFor(in.Availability) |
| 79 | return in, f |
| 80 | } |
| 81 | |
| 82 | func (h *handlers) newBookingPage(w http.ResponseWriter, r *http.Request) { |
| 83 | render(w, "booking_page_form", h.page(r, "New booking page", newBookingPageForm())) |
| 84 | } |
| 85 | |
| 86 | func (h *handlers) editBookingPage(w http.ResponseWriter, r *http.Request) { |
| 87 | p, _ := CurrentPerson(r) |
| 88 | id, _ := strconv.ParseInt(chi.URLParam(r, "id"), 10, 64) |
| 89 | page, err := h.store.BookingPage(r.Context(), p.ID, id) |
| 90 | if NotFound(err) { |
| 91 | h.errorPage(w, r, http.StatusNotFound, "") |
| 92 | return |
| 93 | } |
| 94 | if err != nil { |
| 95 | h.fail(w, r, "read booking page", err) |
| 96 | return |
| 97 | } |
| 98 | render(w, "booking_page_form", h.page(r, "Edit booking page", formOfPage(page))) |
| 99 | } |
| 100 | |
| 101 | // saveBookingPage is create and update: parse the sentence, refuse the |
| 102 | // form while any clause is unreadable (the pane shows every problem), |
| 103 | // then write. |
| 104 | func (h *handlers) saveBookingPage(w http.ResponseWriter, r *http.Request) { |
| 105 | p, _ := CurrentPerson(r) |
| 106 | in, f := readBookingPageForm(r) |
| 107 | if raw := chi.URLParam(r, "id"); raw != "" { |
| 108 | f.ID, _ = strconv.ParseInt(raw, 10, 64) |
| 109 | f.Action, f.Heading, f.Submit = "/settings/booking/"+raw, "Edit booking page", "Save" |
| 110 | } else { |
| 111 | f.Action, f.Heading, f.Submit = "/settings/booking", "New booking page", "Create" |
| 112 | } |
| 113 | reject := func(field, msg string) { |
| 114 | f.Error, f.ErrorField = msg, field |
| 115 | w.WriteHeader(http.StatusUnprocessableEntity) |
| 116 | render(w, "booking_page_form", h.page(r, f.Heading, f)) |
| 117 | } |
| 118 | |
| 119 | windows, problems := ParseAvailability(in.Availability) |
| 120 | if len(problems) > 0 { |
| 121 | reject("availability", "Some of that could not be read. The parts that could are listed below the box.") |
| 122 | return |
| 123 | } |
| 124 | windows = MergeWindows(windows) |
| 125 | |
| 126 | var err error |
| 127 | if f.ID == 0 { |
| 128 | _, err = h.store.CreateBookingPage(r.Context(), p.ID, in, windows) |
| 129 | } else { |
| 130 | err = h.store.UpdateBookingPage(r.Context(), p.ID, f.ID, in, windows) |
| 131 | } |
| 132 | if NotFound(err) { |
| 133 | h.errorPage(w, r, http.StatusNotFound, "") |
| 134 | return |
| 135 | } |
| 136 | if ve, ok := Invalid(err); ok { |
| 137 | reject(ve.Field, ve.Message) |
| 138 | return |
| 139 | } |
| 140 | if err != nil { |
| 141 | h.fail(w, r, "save booking page", err) |
| 142 | return |
| 143 | } |
| 144 | http.Redirect(w, r, "/settings/booking?saved=1", http.StatusSeeOther) |
| 145 | } |
| 146 | |
amadan