evcc-io/server/http_config_metadata_handler.go

105 lines
2.2 KiB
Go

package server
import (
"net/http"
"slices"
"strings"
"github.com/evcc-io/evcc/util/templates"
"github.com/gorilla/mux"
)
var supportedLanguages = []string{"en", "de"}
func getLang(r *http.Request) string {
lang := r.URL.Query().Get("lang")
if !slices.Contains(supportedLanguages, lang) {
lang = supportedLanguages[0]
}
return lang
}
// templatesHandler returns the list of templates by class
func templatesHandler(w http.ResponseWriter, r *http.Request) {
vars := mux.Vars(r)
class, err := templates.ClassString(vars["class"])
if err != nil {
jsonError(w, http.StatusBadRequest, err)
return
}
lang := getLang(r)
templates.EncoderLanguage(lang)
if name := r.URL.Query().Get("name"); name != "" {
res, err := templates.ByName(class, name)
if err != nil {
jsonError(w, http.StatusBadRequest, err)
return
}
jsonWrite(w, res)
return
}
// filter deprecated properties
res := make([]templates.Template, 0)
for _, t := range templates.ByClass(class) {
params := make([]templates.Param, 0, len(t.Params))
for _, p := range t.Params {
if p.Deprecated == nil || !*p.Deprecated {
params = append(params, p)
}
}
t.Params = params
res = append(res, t)
}
jsonWrite(w, res)
}
// productsHandler returns the list of products by class
func productsHandler(w http.ResponseWriter, r *http.Request) {
vars := mux.Vars(r)
class, err := templates.ClassString(vars["class"])
if err != nil {
jsonError(w, http.StatusBadRequest, err)
return
}
tmpl := templates.ByClass(class)
lang := getLang(r)
usage := r.URL.Query().Get("usage")
res := make(products, 0)
for _, t := range tmpl {
// if usage filter is specified, only include templates with matching usage
includeUsage := usage == ""
if !includeUsage {
for _, u := range t.Usages() {
if u == usage {
includeUsage = true
break
}
}
}
if includeUsage {
for _, p := range t.Products {
res = append(res, product{
Name: p.Title(lang),
Template: t.TemplateDefinition.Template,
Group: t.Group,
})
}
}
}
slices.SortFunc(res, func(a, b product) int {
return strings.Compare(strings.ToLower(a.Name), strings.ToLower(b.Name))
})
jsonWrite(w, res)
}