camper/pkg/services/admin.go

326 lines
9.1 KiB
Go

/*
* 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, serveServicesIndex, 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:
serveServicesIndex(w, r, user, company, conn)
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, company)
f.MustRender(w, r, user, company)
default:
httplib.MethodNotAllowed(w, r, http.MethodGet)
}
case "order":
switch r.Method {
case http.MethodPost:
orderServices(w, r, user, company, conn)
default:
httplib.MethodNotAllowed(w, r, http.MethodPost)
}
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, company)
if err := f.FillFromDatabase(r.Context(), conn, id); 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:
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:
http.NotFound(w, r)
}
}
})
}
func orderServices(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
}
input := r.PostForm["service_id"]
if len(input) > 0 {
var ids []int
for _, s := range input {
if id, err := strconv.Atoi(s); err == nil {
ids = append(ids, id)
} else {
http.Error(w, err.Error(), http.StatusUnprocessableEntity)
return
}
}
if err := conn.OrderServices(r.Context(), ids); err != nil {
panic(err)
}
}
serveServicesIndex(w, r, user, company, conn)
}
func serveServicesIndex(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 {
ID int
URL string
Icon string
Name string
}
func collectServiceEntries(ctx context.Context, company *auth.Company, conn *database.Conn) ([]*serviceEntry, error) {
rows, err := conn.Query(ctx, `
select service_id
, '/admin/services/' || service_id
, icon_name
, name
from service
where company_id = $1
order by position
, name
`, company.ID)
if err != nil {
return nil, err
}
defer rows.Close()
var services []*serviceEntry
for rows.Next() {
entry := &serviceEntry{}
if err = rows.Scan(&entry.ID, &entry.URL, &entry.Icon, &entry.Name); err != nil {
return nil, err
}
services = append(services, entry)
}
return services, nil
}
func addService(w http.ResponseWriter, r *http.Request, user *auth.User, company *auth.Company, conn *database.Conn) {
f := newServiceForm(r.Context(), conn, company)
processServiceForm(w, r, user, company, conn, f, func(ctx context.Context, tx *database.Tx) error {
var err error
if f.ID, err = tx.AddService(ctx, company.ID, f.Icon.String(), f.Name[f.DefaultLang].Val, f.Description[f.DefaultLang].Val); err != nil {
return err
}
return translateService(ctx, tx, company, f)
})
}
func processServiceForm(w http.ResponseWriter, r *http.Request, user *auth.User, company *auth.Company, conn *database.Conn, f *serviceForm, act func(context.Context, *database.Tx) error) {
if ok, err := form.Handle(f, w, r, user); err != nil {
return
} else if !ok {
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/services", http.StatusSeeOther)
}
func translateService(ctx context.Context, tx *database.Tx, company *auth.Company, f *serviceForm) error {
for lang := range company.Locales {
l := lang.String()
if l == f.DefaultLang {
continue
}
if err := tx.TranslateService(ctx, f.ID, lang, f.Name[l].Val, f.Description[l].Val); err != nil {
return err
}
}
return nil
}
func editService(w http.ResponseWriter, r *http.Request, user *auth.User, company *auth.Company, conn *database.Conn, f *serviceForm) {
processServiceForm(w, r, user, company, conn, f, func(ctx context.Context, tx *database.Tx) error {
if err := tx.EditService(ctx, f.ID, f.Icon.String(), f.Name[f.DefaultLang].Val, f.Description[f.DefaultLang].Val); err != nil {
return err
}
return translateService(ctx, tx, company, f)
})
if ok, err := form.Handle(f, w, r, user); err != nil {
return
} else if !ok {
f.MustRender(w, r, user, company)
return
}
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 {
DefaultLang string
ID int
Icon *form.Select
Name form.I18nInput
Description form.I18nInput
}
func newServiceForm(ctx context.Context, conn *database.Conn, company *auth.Company) *serviceForm {
return &serviceForm{
DefaultLang: company.DefaultLanguage.String(),
Icon: &form.Select{
Name: "icon",
Options: form.MustGetOptions(ctx, conn, "select icon_name, icon_name from icon order by 1"),
},
Name: form.NewI18nInput(company.Locales, "name"),
Description: form.NewI18nInput(company.Locales, "description"),
}
}
func (f *serviceForm) FillFromDatabase(ctx context.Context, conn *database.Conn, id int) error {
f.ID = id
var name database.RecordArray
var description database.RecordArray
row := conn.QueryRow(ctx, `
select array[icon_name]
, service.name
, service.description::text
, array_agg((lang_tag, i18n.name))
, array_agg((lang_tag, i18n.description::text))
from service
left join service_i18n as i18n using (service_id)
where service_id = $1
group by icon_name
, service.name
, service.description::text
`, pgx.QueryResultFormats{pgx.BinaryFormatCode}, id)
if err := row.Scan(&f.Icon.Selected, &f.Name[f.DefaultLang].Val, &f.Description[f.DefaultLang].Val, &name, &description); err != nil {
return err
}
if err := f.Name.FillArray(name); err != nil {
return err
}
if err := f.Description.FillArray(description); err != nil {
return err
}
return nil
}
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[f.DefaultLang], 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)
}