mcchunkie/plugins/ham.go

123 lines
3.1 KiB
Go

package plugins
import (
"fmt"
"math/rand"
"regexp"
"strings"
"time"
"github.com/matrix-org/gomatrix"
)
// LicenseResp represents a response from https://data.fcc.gov/api/license-view/basicSearch/getLicenses
type LicenseResp struct {
Status string `json:"status"`
Licenses Licenses `json:"Licenses"`
}
// License is an individual license
type License struct {
LicName string `json:"licName"`
Frn string `json:"frn"`
Callsign string `json:"callsign"`
CategoryDesc string `json:"categoryDesc"`
ServiceDesc string `json:"serviceDesc"`
StatusDesc string `json:"statusDesc"`
ExpiredDate string `json:"expiredDate"`
LicenseID string `json:"licenseID"`
LicDetailURL string `json:"licDetailURL"`
}
// Licenses is a collection of individual licenses.
type Licenses struct {
Page string `json:"page"`
RowPerPage string `json:"rowPerPage"`
TotalRows string `json:"totalRows"`
LastUpdate string `json:"lastUpdate"`
License []License `json:"License"`
}
// Ham for querying the fcc'd uls
type Ham struct{}
// Descr describes this plugin
func (h *Ham) Descr() string {
return "queries the FCC's [ULS](https://wireless2.fcc.gov/UlsApp/UlsSearch/searchLicense.jsp) for a given callsign."
}
// Re returns the federation check matching string
func (h *Ham) Re() string {
return `(?i)^ham: (\w+)$`
}
func (h *Ham) fix(msg string) string {
re := regexp.MustCompile(h.Re())
return re.ReplaceAllString(msg, "$1")
}
// Match determines if we should call the response for Ham
func (h *Ham) Match(_, msg string) bool {
re := regexp.MustCompile(h.Re())
return re.MatchString(msg)
}
// SetStore we don't need a store here.
func (h *Ham) SetStore(_ PluginStore) {}
func (h *Ham) pretty(resp *LicenseResp) string {
var s []string
idx := 0
if resp.Licenses.TotalRows != "1" {
rand.Seed(time.Now().Unix())
idx = rand.Intn(len(resp.Licenses.License))
s = append(s, fmt.Sprintf("Found %s licenses, here is a random one:", resp.Licenses.TotalRows))
}
s = append(s, fmt.Sprintf("%s: %s (expires: %s) %s\n",
resp.Licenses.License[idx].Callsign,
resp.Licenses.License[idx].LicName,
resp.Licenses.License[idx].ExpiredDate,
resp.Licenses.License[idx].CategoryDesc,
))
return strings.Join(s, " ")
}
// RespondText to looking up of federation check requests
func (h *Ham) RespondText(c *gomatrix.Client, ev *gomatrix.Event, _, post string) error {
call := h.fix(post)
if call != "" {
furl := fmt.Sprintf("%s%s",
"http://data.fcc.gov/api/license-view/basicSearch/getLicenses?format=json&searchValue=",
call,
)
var res = &LicenseResp{}
var req = HTTPRequest{
Timeout: 10 * time.Second,
URL: furl,
Method: "GET",
ResBody: res,
}
err := req.DoJSON()
if err != nil {
return SendText(c, ev.RoomID, fmt.Sprintf("sorry %s, I can't look things up in ULS (%s)", ev.Sender, err))
}
if res.Status == "OK" {
return SendText(c, ev.RoomID, h.pretty(res))
} else {
return SendText(c, ev.RoomID, fmt.Sprintf("sorry %s, I can't look things up in ULS. The response was not OK.", ev.Sender))
}
}
return nil
}
// Name Ham!
func (h *Ham) Name() string {
return "Ham"
}