sarafu-vise/handlers/application/language.go

75 lines
2.3 KiB
Go

package application
import (
"context"
"fmt"
"strings"
"git.defalsify.org/vise.git/db"
"git.defalsify.org/vise.git/resource"
"git.defalsify.org/vise.git/state"
storedb "git.grassecon.net/grassrootseconomics/sarafu-vise/store/db"
commonlang "git.grassecon.net/grassrootseconomics/common/lang"
)
// SetLanguage sets the language across the menu.
func (h *MenuHandlers) SetLanguage(ctx context.Context, sym string, input []byte) (resource.Result, error) {
var res resource.Result
symbol, _ := h.st.Where()
code := strings.Split(symbol, "_")[1]
// TODO: Use defaultlanguage from config
if !commonlang.IsValidISO639(code) {
//Fallback to english instead?
code = "eng"
}
err := h.persistLanguageCode(ctx, code)
if err != nil {
return res, err
}
res.Content = code
res.FlagSet = append(res.FlagSet, state.FLAG_LANG)
languageSetFlag, err := h.flagManager.GetFlag("flag_language_set")
if err != nil {
logg.ErrorCtxf(ctx, "Error setting the languageSetFlag", "error", err)
return res, err
}
res.FlagSet = append(res.FlagSet, languageSetFlag)
return res, nil
}
// persistLanguageCode persists the selected ISO 639 language code
func (h *MenuHandlers) persistLanguageCode(ctx context.Context, code string) error {
store := h.userdataStore
sessionId, ok := ctx.Value("SessionId").(string)
if !ok {
return fmt.Errorf("missing session")
}
err := store.WriteEntry(ctx, sessionId, storedb.DATA_SELECTED_LANGUAGE_CODE, []byte(code))
if err != nil {
logg.ErrorCtxf(ctx, "failed to persist language code", "key", storedb.DATA_SELECTED_LANGUAGE_CODE, "value", code, "error", err)
return err
}
return h.persistInitialLanguageCode(ctx, sessionId, code)
}
// persistInitialLanguageCode receives an initial language code and persists it to the store
func (h *MenuHandlers) persistInitialLanguageCode(ctx context.Context, sessionId string, code string) error {
store := h.userdataStore
_, err := store.ReadEntry(ctx, sessionId, storedb.DATA_INITIAL_LANGUAGE_CODE)
if err == nil {
return nil
}
if !db.IsNotFound(err) {
return err
}
err = store.WriteEntry(ctx, sessionId, storedb.DATA_INITIAL_LANGUAGE_CODE, []byte(code))
if err != nil {
logg.ErrorCtxf(ctx, "failed to persist initial language code", "key", storedb.DATA_INITIAL_LANGUAGE_CODE, "value", code, "error", err)
return err
}
return nil
}