camper/pkg/surroundings/admin.go

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/*
* SPDX-FileCopyrightText: 2023 jordi fita mas <jfita@peritasoft.com>
* SPDX-License-Identifier: AGPL-3.0-only
*/
package surroundings
import (
"context"
"net/http"
"strconv"
"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"
)
type AdminHandler struct {
}
func NewAdminHandler() *AdminHandler {
return &AdminHandler{}
}
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:
serveHighlightsIndex(w, r, user, company, conn)
case http.MethodPost:
addHighlight(w, r, user, company, conn)
default:
httplib.MethodNotAllowed(w, r, http.MethodGet, http.MethodPost)
}
case "new":
switch r.Method {
case http.MethodGet:
f := newHighlightForm(company)
f.MustRender(w, r, user, company)
default:
httplib.MethodNotAllowed(w, r, http.MethodGet)
}
case "order":
switch r.Method {
case http.MethodPost:
orderHighlights(w, r, user, company, conn)
default:
httplib.MethodNotAllowed(w, r, http.MethodPost)
}
default:
id, err := strconv.Atoi(head)
if err != nil {
http.NotFound(w, r)
return
}
f := newHighlightForm(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:
editHighlight(w, r, user, company, conn, f)
case http.MethodDelete:
deleteHighlight(w, r, user, conn, id)
default:
httplib.MethodNotAllowed(w, r, http.MethodGet, http.MethodPut, http.MethodDelete)
}
default:
http.NotFound(w, r)
}
}
})
}
func orderHighlights(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["highlight_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.OrderSurroundingsHighlights(r.Context(), ids); err != nil {
panic(err)
}
}
serveHighlightsIndex(w, r, user, company, conn)
}
func serveHighlightsIndex(w http.ResponseWriter, r *http.Request, user *auth.User, company *auth.Company, conn *database.Conn) {
highlights, err := collectHighlightEntries(r.Context(), company, conn)
if err != nil {
panic(err)
}
page := &highlightIndex{
Highlights: highlights,
}
page.MustRender(w, r, user, company)
}
type highlightIndex struct {
Highlights []*highlightEntry
}
func (page *highlightIndex) MustRender(w http.ResponseWriter, r *http.Request, user *auth.User, company *auth.Company) {
template.MustRenderAdmin(w, r, user, company, "surroundings/index.gohtml", page)
}
type highlightEntry struct {
ID int
URL string
Media string
Name string
}
func collectHighlightEntries(ctx context.Context, company *auth.Company, conn *database.Conn) ([]*highlightEntry, error) {
rows, err := conn.Query(ctx, `
select surroundings_highlight_id
, '/admin/surroundings/' || surroundings_highlight_id
, media.path
, name
from surroundings_highlight as highlight
join media using (media_id)
where highlight.company_id = $1
order by position
, name
`, company.ID)
if err != nil {
return nil, err
}
defer rows.Close()
var highlights []*highlightEntry
for rows.Next() {
entry := &highlightEntry{}
if err = rows.Scan(&entry.ID, &entry.URL, &entry.Media, &entry.Name); err != nil {
return nil, err
}
highlights = append(highlights, entry)
}
return highlights, nil
}
func addHighlight(w http.ResponseWriter, r *http.Request, user *auth.User, company *auth.Company, conn *database.Conn) {
f := newHighlightForm(company)
processHighlightForm(w, r, user, company, conn, f, func(ctx context.Context, tx *database.Tx) error {
var err error
if f.ID, err = tx.AddSurroundingsHighlight(ctx, company.ID, f.Media.Int(), f.Name[f.DefaultLang].Val, f.Description[f.DefaultLang].Val); err != nil {
return err
}
return translateHighlight(ctx, tx, company, f)
})
}
func processHighlightForm(w http.ResponseWriter, r *http.Request, user *auth.User, company *auth.Company, conn *database.Conn, f *highlightForm, 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/surroundings", http.StatusSeeOther)
}
func translateHighlight(ctx context.Context, tx *database.Tx, company *auth.Company, f *highlightForm) error {
for lang := range company.Locales {
l := lang.String()
if l == f.DefaultLang {
continue
}
if err := tx.TranslateSurroundingsHighlight(ctx, f.ID, lang, f.Name[l].Val, f.Description[l].Val); err != nil {
return err
}
}
return nil
}
func editHighlight(w http.ResponseWriter, r *http.Request, user *auth.User, company *auth.Company, conn *database.Conn, f *highlightForm) {
processHighlightForm(w, r, user, company, conn, f, func(ctx context.Context, tx *database.Tx) error {
if err := tx.EditSurroundingsHighlight(ctx, f.ID, f.Media.Int(), f.Name[f.DefaultLang].Val, f.Description[f.DefaultLang].Val); err != nil {
return err
}
return translateHighlight(ctx, tx, company, f)
})
httplib.Redirect(w, r, "/admin/surroundings", http.StatusSeeOther)
}
func deleteHighlight(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
}
if err := conn.RemoveSurroundingsHighlight(r.Context(), id); err != nil {
panic(err)
}
httplib.Redirect(w, r, "/admin/surroundings", http.StatusSeeOther)
}
type highlightForm struct {
DefaultLang string
ID int
Media *form.Media
Name form.I18nInput
Description form.I18nInput
}
func newHighlightForm(company *auth.Company) *highlightForm {
return &highlightForm{
DefaultLang: company.DefaultLanguage.String(),
Media: &form.Media{
Input: &form.Input{
Name: "media",
},
Label: locale.PgettextNoop("Highlight image", "input"),
Prompt: locale.PgettextNoop("Set highlight image", "action"),
},
Name: form.NewI18nInput(company.Locales, "name"),
Description: form.NewI18nInput(company.Locales, "description"),
}
}
func (f *highlightForm) 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 media_id::text
, highlight.name
, highlight.description::text
, array_agg((lang_tag, i18n.name))
, array_agg((lang_tag, i18n.description::text))
from surroundings_highlight as highlight
left join surroundings_highlight_i18n as i18n using (surroundings_highlight_id)
where surroundings_highlight_id = $1
group by media_id::text
, highlight.name
, highlight.description::text
`, pgx.QueryResultFormats{pgx.BinaryFormatCode}, id)
if err := row.Scan(&f.Media.Val, &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 *highlightForm) Parse(r *http.Request) error {
if err := r.ParseForm(); err != nil {
return err
}
f.Media.FillValue(r)
f.Name.FillValue(r)
f.Description.FillValue(r)
return nil
}
func (f *highlightForm) Valid(ctx context.Context, conn *database.Conn, l *locale.Locale) (bool, error) {
v := form.NewValidator(l)
if v.CheckRequired(f.Media.Input, l.GettextNoop("Slide image can not be empty.")) {
if _, err := v.CheckImageMedia(ctx, conn, f.Media.Input, l.GettextNoop("Slide image must be an image media type.")); err != nil {
return false, err
}
}
v.CheckRequired(f.Name[f.DefaultLang], l.GettextNoop("Name can not be empty."))
return v.AllOK, nil
}
func (f *highlightForm) MustRender(w http.ResponseWriter, r *http.Request, user *auth.User, company *auth.Company) {
template.MustRenderAdmin(w, r, user, company, "surroundings/form.gohtml", f)
}