parcoursmob/servers/web/api/cache.go

48 lines
1.2 KiB
Go

package api
import (
"net/http"
"git.coopgo.io/coopgo-apps/parcoursmob/core/utils/cache"
"github.com/gorilla/mux"
"github.com/rs/zerolog/log"
)
func (h *Handler) GetCache(w http.ResponseWriter, r *http.Request) {
vars := mux.Vars(r)
cacheID := vars["cacheid"]
// Parse query parameters
limitsMinStr := r.URL.Query().Get("limits.min")
limitsMaxStr := r.URL.Query().Get("limits.max")
limitsMin, limitsMax := cache.ParseLimits(limitsMinStr, limitsMaxStr)
// Use a channel to synchronize the goroutines
ch := make(chan []byte)
// Fetch data from cache asynchronously
go func() {
result, err := h.cacheService.GetCacheData(cacheID, limitsMin, limitsMax)
if err != nil {
log.Error().Err(err).Msg("Failed to get cache data")
w.WriteHeader(http.StatusNotFound)
ch <- nil
return
}
ch <- result.Data // Signal that the data has been fetched successfully
close(ch)
}()
// Wait for the JSON marshaling goroutine to finish
data := <-ch
if data == nil {
return // Stop processing if an error occurred
}
// Send the JSON response to the client
w.Header().Set("Content-Type", "application/json")
w.WriteHeader(http.StatusOK)
w.Write(data)
<-ch
}