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package cmsapi
import (
"context"
"encoding/json"
"net/url"
"regexp"
"strconv"
"time"
)
const (
PathMPSAdd = "/mps/add"
PathMPSDelete = "/mps/delete"
PathMPSGet = "/mps/get"
PathMPSList = "/mps/list"
)
// MessagePickupStationRecord represents an MPS record
type MessagePickupStationRecord struct {
Callsign string `json:"callsign"`
MpsCallsign string `json:"mpsCallsign"`
Timestamp DotNetTime `json:"timestamp"`
}
// DotNetTime handles .NET-style JSON date serialization
type DotNetTime struct{ time.Time }
// UnmarshalJSON implements custom JSON unmarshaling for .NET date format
func (t *DotNetTime) UnmarshalJSON(b []byte) error {
var str string
if err := json.Unmarshal(b, &str); err != nil {
return err
}
// Handle .NET date format: \/Date(milliseconds)\/
re := regexp.MustCompile(`\/Date\((-?\d+)\)\/`)
matches := re.FindStringSubmatch(str)
if len(matches) == 2 {
millis, err := strconv.ParseInt(matches[1], 10, 64)
if err != nil {
return err
}
t.Time = time.Unix(millis/1000, (millis%1000)*1000000)
return nil
}
// Fall back to RFC3339 format
parsedTime, err := time.Parse(time.RFC3339, str)
if err == nil {
t.Time = parsedTime
return nil
}
// Fall back to RFC1123 format
parsedTime, err = time.Parse(time.RFC1123, str)
if err == nil {
t.Time = parsedTime
return nil
}
return err
}
// MPSAdd adds an entry to the MPS table
func MPSAdd(ctx context.Context, requester, callsign, password, mpsCallsign string) error {
params := url.Values{
"requester": []string{requester},
"callsign": []string{callsign},
"password": []string{password},
"mpsCallsign": []string{mpsCallsign},
}
var resp struct{ ResponseStatus responseStatus }
if err := getJSON(ctx, PathMPSAdd, params, &resp); err != nil {
return err
}
return resp.ResponseStatus.errorOrNil()
}
// MPSDelete deletes all MPS records for the specified callsign
func MPSDelete(ctx context.Context, requester, callsign, password string) error {
params := url.Values{
"requester": []string{requester},
"callsign": []string{callsign},
"password": []string{password},
}
var resp struct{ ResponseStatus responseStatus }
if err := getJSON(ctx, PathMPSDelete, params, &resp); err != nil {
return err
}
return resp.ResponseStatus.errorOrNil()
}
// MPSGet returns all MPS records for the specified callsign
func MPSGet(ctx context.Context, requester, callsign string) ([]MessagePickupStationRecord, error) {
params := url.Values{
"requester": []string{requester},
"callsign": []string{callsign},
}
var resp struct {
MpsList []MessagePickupStationRecord `json:"mpsList"`
ResponseStatus responseStatus
}
if err := getJSON(ctx, PathMPSGet, params, &resp); err != nil {
return nil, err
}
return resp.MpsList, resp.ResponseStatus.errorOrNil()
}
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