camper/pkg/services/admin.go

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/*
* SPDX-FileCopyrightText: 2023 jordi fita mas <jfita@peritasoft.com>
* SPDX-License-Identifier: AGPL-3.0-only
*/
package services
import (
"context"
"net/http"
"strconv"
"github.com/jackc/pgx/v4"
"dev.tandem.ws/tandem/camper/pkg/auth"
"dev.tandem.ws/tandem/camper/pkg/carousel"
"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"
)
const carouselName = "services"
type AdminHandler struct {
locales locale.Locales
carousel *carousel.AdminHandler
}
func NewAdminHandler(locales locale.Locales) *AdminHandler {
return &AdminHandler{
locales: locales,
carousel: carousel.NewAdminHandler(carouselName, locales),
}
}
func (h *AdminHandler) Handler(user *auth.User, company *auth.Company, conn *database.Conn) http.Handler {
return http.HandlerFunc(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:
serveHomeIndex(w, r, user, company, conn)
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case http.MethodPost:
addService(w, r, user, company, conn)
default:
httplib.MethodNotAllowed(w, r, http.MethodGet, http.MethodPost)
}
case "new":
switch r.Method {
case http.MethodGet:
f := newServiceForm(r.Context(), conn)
f.MustRender(w, r, user, company)
default:
httplib.MethodNotAllowed(w, r, http.MethodGet)
}
case "slides":
h.carousel.Handler(user, company, conn).ServeHTTP(w, r)
default:
id, err := strconv.Atoi(head)
if err != nil {
http.NotFound(w, r)
return
}
f := newServiceForm(r.Context(), conn)
if err := f.FillFromDatabase(r.Context(), conn, id); err != nil {
if database.ErrorIsNotFound(err) {
http.NotFound(w, r)
return
}
panic(err)
}
var langTag string
langTag, r.URL.Path = httplib.ShiftPath(r.URL.Path)
switch langTag {
case "":
switch r.Method {
case http.MethodGet:
f.MustRender(w, r, user, company)
case http.MethodPut:
editService(w, r, user, company, conn, f)
case http.MethodDelete:
deleteService(w, r, user, conn, id)
default:
httplib.MethodNotAllowed(w, r, http.MethodGet, http.MethodPut, http.MethodDelete)
}
default:
loc, ok := h.locales.Get(langTag)
if !ok {
http.NotFound(w, r)
return
}
l10n := newServiceL10nForm(f, loc)
if err := l10n.FillFromDatabase(r.Context(), conn); err != nil {
panic(err)
}
switch r.Method {
case http.MethodGet:
l10n.MustRender(w, r, user, company)
case http.MethodPut:
editServiceL10n(w, r, user, company, conn, l10n)
default:
httplib.MethodNotAllowed(w, r, http.MethodGet, http.MethodPut)
}
}
}
})
}
func serveHomeIndex(w http.ResponseWriter, r *http.Request, user *auth.User, company *auth.Company, conn *database.Conn) {
slides, err := carousel.CollectSlideEntries(r.Context(), company, conn, carouselName)
if err != nil {
panic(err)
}
services, err := collectServiceEntries(r.Context(), company, conn)
page := &servicesIndex{
Services: services,
Slides: slides,
}
page.MustRender(w, r, user, company)
}
type servicesIndex struct {
Services []*serviceEntry
Slides []*carousel.SlideEntry
}
func (page *servicesIndex) MustRender(w http.ResponseWriter, r *http.Request, user *auth.User, company *auth.Company) {
template.MustRenderAdmin(w, r, user, company, "services/index.gohtml", page)
}
type serviceEntry struct {
URL string
Icon string
Name string
Translations []*locale.Translation
}
func collectServiceEntries(ctx context.Context, company *auth.Company, conn *database.Conn) ([]*serviceEntry, error) {
rows, err := conn.Query(ctx, `
select '/admin/services/' || service_id
, icon_name
, service.name
, array_agg((lang_tag, endonym, not exists (select 1 from service_i18n as i18n where i18n.service_id = service.service_id and i18n.lang_tag = language.lang_tag))::translation order by endonym)
from service
join company using (company_id)
, language
where lang_tag <> default_lang_tag
and language.selectable
and service.company_id = $1
group by service_id
, icon_name
, service.name
order by service.name
`, pgx.QueryResultFormats{pgx.BinaryFormatCode}, company.ID)
if err != nil {
return nil, err
}
defer rows.Close()
var services []*serviceEntry
for rows.Next() {
entry := &serviceEntry{}
var translations database.RecordArray
if err = rows.Scan(&entry.URL, &entry.Icon, &entry.Name, &translations); err != nil {
return nil, err
}
for _, el := range translations.Elements {
entry.Translations = append(entry.Translations, &locale.Translation{
URL: entry.URL + "/" + el.Fields[0].Get().(string),
Endonym: el.Fields[1].Get().(string),
Missing: el.Fields[2].Get().(bool),
})
}
services = append(services, entry)
}
return services, nil
}
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func addService(w http.ResponseWriter, r *http.Request, user *auth.User, company *auth.Company, conn *database.Conn) {
f := newServiceForm(r.Context(), conn)
if ok, err := form.Handle(f, w, r, user); err != nil {
return
} else if !ok {
f.MustRender(w, r, user, company)
return
}
conn.MustExec(r.Context(), "select add_service($1, $2, $3, $4)", company.ID, f.Icon, f.Name, f.Description)
httplib.Redirect(w, r, "/admin/services", http.StatusSeeOther)
}
func editService(w http.ResponseWriter, r *http.Request, user *auth.User, company *auth.Company, conn *database.Conn, f *serviceForm) {
if ok, err := form.Handle(f, w, r, user); err != nil {
return
} else if !ok {
f.MustRender(w, r, user, company)
return
}
conn.MustExec(r.Context(), "select edit_service($1, $2, $3, $4)", f.ID, f.Icon, f.Name, f.Description)
httplib.Redirect(w, r, "/admin/services", http.StatusSeeOther)
}
func deleteService(w http.ResponseWriter, r *http.Request, user *auth.User, conn *database.Conn, id int) {
if err := user.VerifyCSRFToken(r); err != nil {
http.Error(w, err.Error(), http.StatusForbidden)
return
}
conn.MustExec(r.Context(), "select remove_service($1)", id)
httplib.Redirect(w, r, "/admin/services", http.StatusSeeOther)
}
type serviceForm struct {
ID int
Icon *form.Select
Name *form.Input
Description *form.Input
}
func newServiceForm(ctx context.Context, conn *database.Conn) *serviceForm {
return &serviceForm{
Icon: &form.Select{
Name: "icon",
Options: form.MustGetOptions(ctx, conn, "select icon_name, icon_name from icon order by 1"),
},
Name: &form.Input{
Name: "name",
},
Description: &form.Input{
Name: "description",
},
}
}
func (f *serviceForm) FillFromDatabase(ctx context.Context, conn *database.Conn, id int) error {
f.ID = id
row := conn.QueryRow(ctx, `
select array[icon_name]
, name
, description
from service
where service_id = $1
`, id)
return row.Scan(&f.Icon.Selected, &f.Name.Val, &f.Description.Val)
}
func (f *serviceForm) Parse(r *http.Request) error {
if err := r.ParseForm(); err != nil {
return err
}
f.Icon.FillValue(r)
f.Name.FillValue(r)
f.Description.FillValue(r)
return nil
}
func (f *serviceForm) Valid(l *locale.Locale) bool {
v := form.NewValidator(l)
v.CheckSelectedOptions(f.Icon, l.GettextNoop("Selected icon is not valid."))
v.CheckRequired(f.Name, l.GettextNoop("Name can not be empty."))
return v.AllOK
}
func (f *serviceForm) MustRender(w http.ResponseWriter, r *http.Request, user *auth.User, company *auth.Company) {
template.MustRenderAdmin(w, r, user, company, "services/form.gohtml", f)
}