lot of new functionalities

servers/web/api/export.go

@@ -0,0 +1,31 @@
+package api
+
+import (
+	"encoding/csv"
+	"fmt"
+	"net/http"
+
+	"github.com/gorilla/mux"
+	"github.com/rs/zerolog/log"
+)
+
+func (h *Handler) CacheExport(w http.ResponseWriter, r *http.Request) {
+	vars := mux.Vars(r)
+	cacheID := vars["cacheid"]
+
+	result, err := h.applicationHandler.ExportCacheAsCSV(cacheID)
+	if err != nil {
+		log.Error().Err(err).Msg("Error exporting cache")
+		w.WriteHeader(http.StatusNotFound)
+		return
+	}
+
+	w.Header().Set("Content-Type", "text/csv")
+	w.Header().Set("Content-Disposition", fmt.Sprintf("attachment; filename=export-%s.csv", cacheID))
+
+	csvWriter := csv.NewWriter(w)
+	defer csvWriter.Flush()
+
+	csvWriter.Write(result.Headers)
+	csvWriter.WriteAll(result.Values)
+}