camper/pkg/season/admin.go

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/*
* SPDX-FileCopyrightText: 2023 jordi fita mas <jfita@peritasoft.com>
* SPDX-License-Identifier: AGPL-3.0-only
*/
package season
import (
"context"
"fmt"
"net/http"
"net/url"
"strconv"
"strings"
"time"
"github.com/jackc/pgtype"
"github.com/jackc/pgx/v4"
"dev.tandem.ws/tandem/camper/pkg/auth"
"dev.tandem.ws/tandem/camper/pkg/database"
"dev.tandem.ws/tandem/camper/pkg/form"
httplib "dev.tandem.ws/tandem/camper/pkg/http"
"dev.tandem.ws/tandem/camper/pkg/locale"
"dev.tandem.ws/tandem/camper/pkg/template"
"dev.tandem.ws/tandem/camper/pkg/uuid"
)
const UnsetColor = 0xd1d0df
type AdminHandler struct {
}
func NewAdminHandler() *AdminHandler {
return &AdminHandler{}
}
func (h *AdminHandler) Handler(user *auth.User, company *auth.Company, conn *database.Conn) http.HandlerFunc {
return func(w http.ResponseWriter, r *http.Request) {
var head string
head, r.URL.Path = httplib.ShiftPath(r.URL.Path)
switch head {
case "":
switch r.Method {
case http.MethodGet:
serveSeasonIndex(w, r, user, company, conn)
case http.MethodPost:
addSeason(w, r, user, company, conn)
default:
httplib.MethodNotAllowed(w, r, http.MethodGet, http.MethodPost)
}
case "new":
switch r.Method {
case http.MethodGet:
f := newSeasonForm(company)
f.MustRender(w, r, user, company)
default:
httplib.MethodNotAllowed(w, r, http.MethodGet)
}
case "order":
switch r.Method {
case http.MethodPost:
orderSeasons(w, r, user, company, conn)
default:
httplib.MethodNotAllowed(w, r, http.MethodPost)
}
case "range":
switch r.Method {
case http.MethodGet:
serveSeasonCalendar(w, r, user, company, conn)
case http.MethodPut:
updateSeasonCalendar(w, r, user, company, conn)
default:
httplib.MethodNotAllowed(w, r, http.MethodGet, http.MethodPut)
}
default:
if !uuid.Valid(head) {
http.NotFound(w, r)
return
}
f := newSeasonForm(company)
if err := f.FillFromDatabase(r.Context(), conn, head); err != nil {
if database.ErrorIsNotFound(err) {
http.NotFound(w, r)
return
}
panic(err)
}
head, r.URL.Path = httplib.ShiftPath(r.URL.Path)
switch head {
case "":
switch r.Method {
case http.MethodGet:
f.MustRender(w, r, user, company)
case http.MethodPut:
editSeason(w, r, user, company, conn, f)
default:
httplib.MethodNotAllowed(w, r, http.MethodGet, http.MethodPut)
}
default:
http.NotFound(w, r)
}
}
}
}
func serveSeasonIndex(w http.ResponseWriter, r *http.Request, user *auth.User, company *auth.Company, conn *database.Conn) {
seasons, err := collectSeasonEntries(r.Context(), company, conn)
if err != nil {
panic(err)
}
calendar, err := CollectSeasonCalendar(r.Context(), company, conn, GetCalendarYear(r.URL.Query()), time.January, 12)
if err != nil {
panic(err)
}
calendar.Form = newCalendarForm(r.Context(), company, conn)
page := &seasonIndex{
Seasons: seasons,
Calendar: calendar,
}
page.MustRender(w, r, user, company)
}
func GetCalendarYear(query url.Values) int {
yearStr := strings.TrimSpace(query.Get("year"))
if yearStr != "" {
if year, err := strconv.Atoi(yearStr); err == nil {
return year
}
}
return time.Now().Year()
}
func GetCalendarMonth(query url.Values) time.Month {
monthStr := strings.TrimSpace(query.Get("month"))
if monthStr != "" {
if month, err := strconv.Atoi(monthStr); err == nil {
return time.Month(month)
}
}
return time.Now().Month()
}
func collectSeasonEntries(ctx context.Context, company *auth.Company, conn *database.Conn) ([]*seasonEntry, error) {
rows, err := conn.Query(ctx, `
select season.slug
, '/admin/seasons/' || season.slug
, season.name
, to_color(color)::text
, active
from season
where season.company_id = $1
order by position, name`, company.ID)
if err != nil {
return nil, err
}
defer rows.Close()
var seasons []*seasonEntry
for rows.Next() {
entry := &seasonEntry{}
if err = rows.Scan(&entry.Slug, &entry.URL, &entry.Name, &entry.Color, &entry.Active); err != nil {
return nil, err
}
seasons = append(seasons, entry)
}
return seasons, nil
}
type seasonEntry struct {
ID int
Slug string
URL string
Name string
Color string
Active bool
}
var LongMonthNames = []string{
locale.PgettextNoop("January", "month"),
locale.PgettextNoop("February", "month"),
locale.PgettextNoop("March", "month"),
locale.PgettextNoop("April", "month"),
locale.PgettextNoop("May", "month"),
locale.PgettextNoop("June", "month"),
locale.PgettextNoop("July", "month"),
locale.PgettextNoop("August", "month"),
locale.PgettextNoop("September", "month"),
locale.PgettextNoop("October", "month"),
locale.PgettextNoop("November", "month"),
locale.PgettextNoop("December", "month"),
}
func CollectSeasonCalendar(ctx context.Context, company *auth.Company, conn *database.Conn, year int, firstMonth time.Month, monthCount int) (*Calendar, error) {
firstDay := time.Date(year, firstMonth, 1, 0, 0, 0, 0, time.UTC)
lastDay := firstDay.AddDate(0, monthCount, 0).Add(-1 * time.Second)
rows, err := conn.Query(ctx, `
select t.day::date
, to_color(coalesce(color, $1)) as color
from generate_series($2, $3, interval '1 day') as t(day)
left join season_calendar on season_range @> t.day::date
left join season on season.season_id = season_calendar.season_id and company_id = $4
`, UnsetColor, firstDay.Format(database.ISODateTimeFormat), lastDay.Format(database.ISODateTimeFormat), company.ID)
if err != nil {
return nil, err
}
var month *Month
var week Week
calendar := &Calendar{
Year: year,
}
weekday := int(time.Monday)
for rows.Next() {
day := &Day{}
if err = rows.Scan(&day.Date, &day.Color); err != nil {
return nil, err
}
dayMonth := day.Date.Month()
if month == nil || month.Month != dayMonth {
if month != nil {
for ; weekday != int(time.Sunday); weekday = (weekday + 1) % 7 {
week = append(week, &Day{})
}
month.Weeks = append(month.Weeks, week)
calendar.Months = append(calendar.Months, month)
}
month = &Month{
Year: day.Date.Year(),
Month: dayMonth,
Name: LongMonthNames[dayMonth-1],
}
week = Week{}
weekday = int(time.Monday)
dayWeekday := int(day.Date.Weekday())
for ; weekday != dayWeekday; weekday = (weekday + 1) % 7 {
week = append(week, &Day{})
}
}
week = append(week, day)
weekday = (weekday + 1) % 7
if weekday == int(time.Monday) {
month.Weeks = append(month.Weeks, week)
week = Week{}
}
}
if month != nil {
for ; weekday != int(time.Sunday); weekday = (weekday + 1) % 7 {
week = append(week, &Day{})
}
month.Weeks = append(month.Weeks, week)
calendar.Months = append(calendar.Months, month)
}
return calendar, nil
}
type Calendar struct {
Year int
Months []*Month
Form *calendarForm
}
type Month struct {
Year int
Month time.Month
Name string
Weeks []Week
}
type Week []*Day
type Day struct {
Date time.Time
Color string
}
type seasonIndex struct {
Seasons []*seasonEntry
Calendar *Calendar
}
func (page *seasonIndex) MustRender(w http.ResponseWriter, r *http.Request, user *auth.User, company *auth.Company) {
template.MustRenderAdminFiles(w, r, user, company, page, "season/index.gohtml", "season/calendar.gohtml")
}
func processSeasonForm(w http.ResponseWriter, r *http.Request, user *auth.User, company *auth.Company, conn *database.Conn, f *seasonForm, act func(context.Context, *database.Tx) error) {
if err := f.Parse(r); err != nil {
http.Error(w, err.Error(), http.StatusBadRequest)
return
}
if err := user.VerifyCSRFToken(r); err != nil {
http.Error(w, err.Error(), http.StatusForbidden)
return
}
if ok, err := f.Valid(r.Context(), conn, user.Locale); err != nil {
panic(err)
} else if !ok {
if !httplib.IsHTMxRequest(r) {
w.WriteHeader(http.StatusUnprocessableEntity)
}
f.MustRender(w, r, user, company)
return
}
tx := conn.MustBegin(r.Context())
if err := act(r.Context(), tx); err == nil {
tx.MustCommit(r.Context())
} else {
if rErr := tx.Rollback(r.Context()); rErr != nil {
err = rErr
}
panic(err)
}
httplib.Redirect(w, r, "/admin/seasons", http.StatusSeeOther)
}
func addSeason(w http.ResponseWriter, r *http.Request, user *auth.User, company *auth.Company, conn *database.Conn) {
f := newSeasonForm(company)
processSeasonForm(w, r, user, company, conn, f, func(ctx context.Context, tx *database.Tx) error {
var err error
if f.Slug, err = tx.AddSeason(ctx, company.ID, f.Name[f.DefaultLang].Val, f.Color.Val); err != nil {
return err
}
return translateSeason(ctx, tx, company, f)
})
}
func translateSeason(ctx context.Context, tx *database.Tx, company *auth.Company, f *seasonForm) error {
for lang := range company.Locales {
l := lang.String()
if l == f.DefaultLang {
continue
}
if err := tx.TranslateSeason(ctx, f.Slug, lang, f.Name[l].Val); err != nil {
return err
}
}
return nil
}
func editSeason(w http.ResponseWriter, r *http.Request, user *auth.User, company *auth.Company, conn *database.Conn, f *seasonForm) {
processSeasonForm(w, r, user, company, conn, f, func(ctx context.Context, tx *database.Tx) error {
if err := tx.EditSeason(ctx, f.Slug, f.Name[f.DefaultLang].Val, f.Color.Val, f.Active.Checked); err != nil {
return err
}
return translateSeason(ctx, tx, company, f)
})
}
type seasonForm struct {
DefaultLang string
Slug string
Active *form.Checkbox
Name form.I18nInput
Color *form.Input
}
func newSeasonForm(company *auth.Company) *seasonForm {
return &seasonForm{
DefaultLang: company.DefaultLanguage.String(),
Active: &form.Checkbox{
Name: "active",
Checked: true,
},
Name: form.NewI18nInput(company.Locales, "label"),
Color: &form.Input{
Name: "season",
},
}
}
func (f *seasonForm) FillFromDatabase(ctx context.Context, conn *database.Conn, slug string) error {
f.Slug = slug
var name database.RecordArray
row := conn.QueryRow(ctx, `
select season.name
, to_color(color)::text
, active
, array_agg((lang_tag, i18n.name))
from season
left join season_i18n as i18n using (season_id)
where slug = $1
group by season.name
, to_color(color)::text
, active
`, pgx.QueryResultFormats{pgx.BinaryFormatCode}, slug)
if err := row.Scan(&f.Name[f.DefaultLang].Val, &f.Color.Val, &f.Active.Checked, &name); err != nil {
return err
}
if err := f.Name.FillArray(name); err != nil {
return err
}
return nil
}
func (f *seasonForm) Parse(r *http.Request) error {
if err := r.ParseForm(); err != nil {
return err
}
f.Active.FillValue(r)
f.Name.FillValue(r)
f.Color.FillValue(r)
return nil
}
func (f *seasonForm) Valid(ctx context.Context, conn *database.Conn, l *locale.Locale) (bool, error) {
v := form.NewValidator(l)
v.CheckRequired(f.Name[f.DefaultLang], l.GettextNoop("Name can not be empty."))
if v.CheckRequired(f.Color, l.GettextNoop("Color can not be empty.")) {
if _, err := v.CheckValidColor(ctx, conn, f.Color, l.Gettext("This color is not valid. It must be like #123abc.")); err != nil {
return false, err
}
}
return v.AllOK, nil
}
func (f *seasonForm) MustRender(w http.ResponseWriter, r *http.Request, user *auth.User, company *auth.Company) {
template.MustRenderAdmin(w, r, user, company, "season/form.gohtml", f)
}
func orderSeasons(w http.ResponseWriter, r *http.Request, user *auth.User, company *auth.Company, conn *database.Conn) {
if err := r.ParseForm(); err != nil {
http.Error(w, err.Error(), http.StatusBadRequest)
return
}
if err := user.VerifyCSRFToken(r); err != nil {
http.Error(w, err.Error(), http.StatusForbidden)
return
}
slugs := r.PostForm["slug"]
if len(slugs) > 0 {
for _, slug := range slugs {
if !uuid.Valid(slug) {
w.WriteHeader(http.StatusUnprocessableEntity)
return
}
}
if err := conn.OrderSeasons(r.Context(), slugs); err != nil {
panic(err)
}
}
serveSeasonIndex(w, r, user, company, conn)
}
func serveSeasonCalendar(w http.ResponseWriter, r *http.Request, user *auth.User, company *auth.Company, conn *database.Conn) {
f := newCalendarForm(r.Context(), company, conn)
f.MustRender(w, r, user, company, conn, GetCalendarYear(r.URL.Query()))
}
func updateSeasonCalendar(w http.ResponseWriter, r *http.Request, user *auth.User, company *auth.Company, conn *database.Conn) {
f := newCalendarForm(r.Context(), company, conn)
if ok, err := form.Handle(f, w, r, user); err != nil {
return
} else if ok {
var seasonRange pgtype.Daterange
if err = seasonRange.Set(fmt.Sprintf("[%s,%s]", f.StartDate.Val, f.EndDate.Val)); err != nil {
panic(err)
}
if f.SeasonID.Val == "" {
// Nothing to do
} else if f.SeasonID.Val == "0" {
conn.MustExec(r.Context(), "select unset_season_range($1)", seasonRange)
} else {
conn.MustExec(r.Context(), "select set_season_range($1, $2)", f.SeasonID, seasonRange)
}
f.StartDate.Val = ""
f.EndDate.Val = ""
}
f.MustRender(w, r, user, company, conn, GetCalendarYear(r.Form))
}
type calendarForm struct {
Seasons []*seasonEntry
StartDate *form.Input
EndDate *form.Input
SeasonID *form.Input
}
func newCalendarForm(ctx context.Context, company *auth.Company, conn *database.Conn) *calendarForm {
return &calendarForm{
Seasons: mustCollectCalendarSeasons(ctx, company, conn),
StartDate: &form.Input{
Name: "start_date",
},
EndDate: &form.Input{
Name: "end_date",
},
SeasonID: &form.Input{
Name: "season_id",
},
}
}
func mustCollectCalendarSeasons(ctx context.Context, company *auth.Company, conn *database.Conn) []*seasonEntry {
rows, err := conn.Query(ctx, `
select 0 as season_id
, $1 as name
, to_color($2)::text
, true
, 0 as position
union all
select season_id
, name
, to_color(color)::text
, active
, position
from season
where company_id = $3
and active
order by position, name`, locale.PgettextNoop("Unset", "action"), UnsetColor, company.ID)
if err != nil {
panic(err)
}
defer rows.Close()
var seasons []*seasonEntry
for rows.Next() {
entry := &seasonEntry{}
var sort int
if err = rows.Scan(&entry.ID, &entry.Name, &entry.Color, &entry.Active, &sort); err != nil {
panic(err)
}
seasons = append(seasons, entry)
}
return seasons
}
func (f *calendarForm) Parse(r *http.Request) error {
if err := r.ParseForm(); err != nil {
return err
}
f.StartDate.FillValue(r)
f.EndDate.FillValue(r)
f.SeasonID.FillValue(r)
return nil
}
func (f *calendarForm) Valid(l *locale.Locale) bool {
v := form.NewValidator(l)
if v.CheckRequired(f.StartDate, l.GettextNoop("Start date can not be empty.")) {
v.CheckValidDate(f.StartDate, l.GettextNoop("Start date must be a valid date."))
}
if v.CheckRequired(f.EndDate, l.GettextNoop("End date can not be empty.")) {
v.CheckValidDate(f.EndDate, l.GettextNoop("End date must be a valid date."))
}
return v.AllOK
}
func (f *calendarForm) MustRender(w http.ResponseWriter, r *http.Request, user *auth.User, company *auth.Company, conn *database.Conn, year int) {
calendar, err := CollectSeasonCalendar(r.Context(), company, conn, year, time.January, 12)
if err != nil {
panic(err)
}
calendar.Form = f
template.MustRenderAdminNoLayout(w, r, user, company, "season/calendar.gohtml", calendar)
}