jordi fita mas
e128680e9a
I need to check that the user is an employee (or admin) in administration handlers, but i do not want to do it for each handler, because i am bound to forget it. Thus, i added the /admin sub-path for these resources. The public-facing web is the rest of the resources outside /admin, but for now there is only home, to test whether it works as expected or not. The public-facing web can not relay on the user’s language settings, as the guest user has no way to set that. I would be happy to just use the Accept-Language header for that, but apparently Google does not use that header[0], and they give four alternatives: a country-specific domain, a subdomain with a generic top-level domain (gTLD), subdirectories with a gTLD, or URL parameters (e.g., site.com?loc=de). Of the four, Google does not recommend URL parameters, and the customer is already using subdirectories with the current site, therefor that’s what i have chosen. Google also tells me that it is a very good idea to have links between localized version of the same resources, either with <link> elements, Link HTTP response headers, or a sitemap file[1]; they are all equivalent in the eyes of Google. I have choosen the Link response headers way, because for that i can simply “augment” ResponseHeader to automatically add these headers when the response status is 2xx, otherwise i would need to pass down the original URL path until it reaches the template. Even though Camper is supposed to be a “generic”, multi-company application, i think i will stick to the easiest route and write the templates for just the “first” customer. [0]: https://developers.google.com/search/docs/specialty/international/managing-multi-regional-sites [1]: https://developers.google.com/search/docs/specialty/international/localized-versions
119 lines
2.9 KiB
Go
119 lines
2.9 KiB
Go
/*
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* SPDX-FileCopyrightText: 2023 jordi fita mas <jfita@peritasoft.com>
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* SPDX-License-Identifier: AGPL-3.0-only
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*/
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package app
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import (
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"net/http"
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"golang.org/x/text/language"
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"dev.tandem.ws/tandem/camper/pkg/auth"
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"dev.tandem.ws/tandem/camper/pkg/database"
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httplib "dev.tandem.ws/tandem/camper/pkg/http"
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"dev.tandem.ws/tandem/camper/pkg/locale"
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)
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type App struct {
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db *database.DB
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fileHandler http.Handler
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profile *profileHandler
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admin *adminHandler
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public *publicHandler
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locales locale.Locales
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defaultLocale *locale.Locale
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languageMatcher language.Matcher
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}
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func New(db *database.DB, avatarsDir string) (http.Handler, error) {
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locales := locale.MustGetAll(db)
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static := http.FileServer(http.Dir("web/static"))
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profile, err := newProfileHandler(static, avatarsDir)
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if err != nil {
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return nil, err
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}
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app := &App{
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db: db,
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fileHandler: static,
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profile: profile,
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admin: newAdminHandler(),
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public: newPublicHandler(),
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locales: locales,
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defaultLocale: locales[language.Catalan],
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languageMatcher: language.NewMatcher(locales.Tags()),
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}
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var handler http.Handler = app
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handler = httplib.RecoverPanic(handler)
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handler = httplib.LogRequest(handler)
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return handler, nil
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}
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func (h *App) ServeHTTP(w http.ResponseWriter, r *http.Request) {
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requestPath := r.URL.Path
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var head string
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head, r.URL.Path = httplib.ShiftPath(r.URL.Path)
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switch head {
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case "static":
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h.fileHandler.ServeHTTP(w, r)
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case "favicon.ico":
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r.URL.Path = requestPath
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h.fileHandler.ServeHTTP(w, r)
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default:
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conn, err := h.db.Acquire(r.Context())
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if err != nil {
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panic(err)
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}
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defer conn.Release()
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user, err := h.getUser(r, conn)
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if err != nil {
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panic(err)
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}
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company, err := auth.CompanyByHost(r.Context(), conn, r.Host)
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if database.ErrorIsNotFound(err) {
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http.NotFound(w, r)
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return
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} else if err != nil {
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panic(err)
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}
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switch head {
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case "":
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http.Redirect(w, r, "/"+user.Locale.Language.String()+"/", http.StatusFound)
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case "admin":
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h.admin.Handle(user, company, conn, requestPath).ServeHTTP(w, r)
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case "login":
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switch r.Method {
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case http.MethodGet:
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serveLoginForm(w, r, user, company, "/admin")
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case http.MethodPost:
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handleLogin(w, r, user, company, conn)
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default:
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httplib.MethodNotAllowed(w, r, http.MethodPost, http.MethodGet)
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}
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case "me":
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h.profile.Handler(user, company, conn, requestPath).ServeHTTP(w, r)
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default:
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langTag, err := language.Parse(head)
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if err != nil {
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http.NotFound(w, r)
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return
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}
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urlLocale := h.locales[langTag]
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if urlLocale == nil {
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http.NotFound(w, r)
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return
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}
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user.Locale = urlLocale
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if r.Method == http.MethodGet || r.Method == http.MethodHead {
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w = httplib.LanguageLinks(w, false, r.Host, r.URL.Path, h.locales)
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}
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h.public.Handler(user, company, conn).ServeHTTP(w, r)
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}
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}
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}
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