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stores.go
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stores.go
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package http
import (
"net/http"
"strconv"
"github.com/gorilla/mux"
"github.com/lugondev/wallet-signer-manager/pkg/errors"
http2 "github.com/lugondev/wallet-signer-manager/src/infra/http"
"github.com/lugondev/wallet-signer-manager/src/stores"
)
type StoresHandler struct {
wallets *WalletsHandler
}
// NewStoresHandler creates a http.Handler to be served on /stores
func NewStoresHandler(s stores.Stores) *StoresHandler {
return &StoresHandler{
wallets: NewWalletsHandler(s),
}
}
func (h *StoresHandler) Register(router *mux.Router) {
// Create sub router for /stores
storesSubRouter := router.PathPrefix("/stores").Subrouter()
// Create sub router for /stores/{storeName}
storeSubRouter := storesSubRouter.PathPrefix("/{storeName}").Subrouter()
storeSubRouter.Use(storeSelector)
// Register secrets handler on /stores/{storeName}/wallets
walletsSubRouter := storeSubRouter.PathPrefix("/wallets").Subrouter()
h.wallets.Register(walletsSubRouter)
}
func storeSelector(h http.Handler) http.Handler {
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
h.ServeHTTP(w, r.WithContext(WithStoreName(r.Context(), mux.Vars(r)["storeName"])))
})
}
func getLimitOffset(request *http.Request) (rLimit, rOffset uint64, err error) {
limit := request.URL.Query().Get("limit")
page := request.URL.Query().Get("page")
if limit == "" {
limit = http2.DefaultPageSize
}
rLimit, err = strconv.ParseUint(limit, 10, 64)
if err != nil {
return 0, 0, errors.InvalidFormatError("invalid limit value")
}
iPage := uint64(0)
rOffset = 0
if page != "" {
iPage, err = strconv.ParseUint(page, 10, 64)
if err != nil {
return 0, 0, errors.InvalidFormatError("invalid page value")
}
rOffset = iPage * rLimit
}
return rLimit, rOffset, nil
}