示例#1
0
// UnusedSalvage returns a web handler function that identifies a user's salvage
// drops that are unused by any blueprint they own.
func UnusedSalvage(localdb db.LocalDB, sde evego.Database, sess server.Sessionizer) web.HandlerFunc {
	return func(c web.C, w http.ResponseWriter, r *http.Request) {
		s := sess.GetSession(&c, w, r)
		myUserID := s.User
		charID, err := strconv.Atoi(c.URLParams["charID"])
		if err != nil {
			http.Error(w, `{"status": "Error", "error": "Invalid character ID supplied."}`,
				http.StatusBadRequest)
			return
		}
		salvage, err := localdb.UnusedSalvage(myUserID, charID)
		if err != nil {
			http.Error(w, `{"status": "Error", "error": "Unable to access database."}`,
				http.StatusInternalServerError)
			log.Printf("Error accessing database with user %v, character %v: %v", myUserID, charID, err)
			return
		}
		stations := make(map[string]*evego.Station)
		itemInfo := make(map[string]*evego.Item)
		for i := range salvage {
			item := &salvage[i]
			if _, found := stations[strconv.Itoa(item.StationID)]; !found {
				stn, err := localdb.StationForID(item.StationID)
				if err == nil {
					stations[strconv.Itoa(item.StationID)] = stn
				} else {
					// This should really not friggin' happen.
					http.Error(w, `{"status": "Error", "error": "Unable to look up station/outpost."}`,
						http.StatusInternalServerError)
					log.Printf("Unable to look up station/outpost ID %v: %v", item.StationID, err)
					return
				}
			}
			typeIDStr := strconv.Itoa(item.TypeID)
			if _, found := itemInfo[typeIDStr]; !found {
				thisItem, err := sde.ItemForID(item.TypeID)
				if err == nil {
					itemInfo[typeIDStr] = thisItem
				}
			}
		}
		response := struct {
			Items    []evego.InventoryItem     `json:"items"`
			Stations map[string]*evego.Station `json:"stations"`
			ItemInfo map[string]*evego.Item    `json:"itemInfo"`
		}{salvage, stations, itemInfo}
		salvageJSON, err := json.Marshal(&response)
		if err != nil {
			http.Error(w, `{"status": "Error", "error": "Unable to marshal JSON."}`,
				http.StatusInternalServerError)
			log.Printf("Error marshalling JSON unused salvage with user %v, character %v: %v", myUserID, charID, err)
			return
		}
		w.Write(salvageJSON)
		return

	}
}