accept !radius for miles radius search

config.json

@@ -77,11 +77,11 @@
    "Once": false,
    "Brokers": {
       "UseZips": true,
-      "RadiusMiles": 300,
+      "RadiusMiles": 200,
       "NTG": {
-         "Enabled": true,
+         "Enabled": false,
          "JobInfo": true,
-         "Mock": false,
+         "Mock": true,
          "LoadPageURIFormat": "https://ntgvision.com/LoadDetails?loadId=%d",
          "LoadPageAPIURIFormat": "https://ntgvision.com/api/v1/load/LoadDetails?loadId=%d",
          "Username": "noeasyrunstrucking@gmail.com",
@@ -89,7 +89,7 @@
       },
       "FastExact": {
          "Enabled": true,
-         "Mock": false,
+         "Mock": true,
          "Username": "birdman",
          "Password": "166647"
       }

main.go

@@ -13,6 +13,7 @@ import (
 	"net/url"
 	"regexp"
 	"sort"
+	"strconv"
 	"strings"
 	"sync"
 	"time"
@@ -84,9 +85,9 @@ func matrixrecv() error {
 					logtr.Debugf("sending help")
 					locationHelp := "`!state nc NC nC Nc`   set states for self"
 					if config.Get().Brokers.UseZips {
-						locationHelp = "`!zip 27006 84058` to set zip codes for self"
+						locationHelp = "...`!zip 27006 84058` to set zip codes for self\n...`!radius 100` to set miles radius to 100, 200, or 300"
 					}
-					help := fmt.Sprintf("commands:\n...`!help`   print this help\n...%s\n\nrun a command for someone else: `!zip 2022-12-31 @caleb`", locationHelp)
+					help := fmt.Sprintf("commands:\n...`!help`   print this help\n%s\n\nrun a command for someone else: `!zip 2022-12-31 @caleb`", locationHelp)
 					if err := sender.Send(help); err != nil {
 						logtr.Errorf("failed to send help: %v", err)
 					} else {
@@ -151,6 +152,31 @@ func matrixrecv() error {
 		}
 		setNewStates(states)
 	}()
+	func() {
+		logtr.Verbosef("looking for radius")
+		db := config.Get().DB()
+		var radius *int
+		for _, msg := range messages {
+			key := fmt.Sprintf("radius_%d", msg.Timestamp.Unix())
+			if !strings.HasPrefix(msg.Content, "!radius ") {
+				continue
+			}
+			if _, err := db.Get(key); err == storage.ErrNotFound {
+				cmd := msg.Content
+				for strings.HasPrefix(cmd, "!radius ") {
+					cmd = strings.TrimPrefix(cmd, "!radius ")
+				}
+				n, err := strconv.Atoi(strings.TrimSpace(cmd))
+				if err == nil {
+					radius = &n
+				}
+			}
+			if err := db.Set(key, []byte{'k'}); err != nil {
+				logtr.Errorf("failed to mark radius gathered @%s: %v", key, err)
+			}
+		}
+		setNewRadius(radius)
+	}()
 	func() {
 		logtr.Verbosef("looking for pauses")
 		db := config.Get().DB()
@@ -183,6 +209,33 @@ func matrixrecv() error {
 	return nil
 }
 
+func setNewRadius(radius *int) {
+	if radius == nil {
+		return
+	}
+	sender := message.NewMatrix()
+	logtr.Debugf("set new radius: %d", *radius)
+	acceptable := map[int]struct{}{
+		100: struct{}{},
+		200: struct{}{},
+		300: struct{}{},
+	}
+	if _, ok := acceptable[*radius]; !ok {
+		sender.Send(fmt.Sprintf("radius of %v is not among acceptable %+v", *radius, acceptable))
+		logtr.Debugf("bad radius, not setting: %d", *radius)
+		return
+	}
+	conf := *config.Get()
+	if conf.Brokers.RadiusMiles == *radius {
+		logtr.Debugf("noop radius, not setting: %d", *radius)
+		return
+	}
+	conf.Brokers.RadiusMiles = *radius
+	logtr.Infof("updating config new pauses: %+v", conf)
+	config.Set(conf)
+	sender.Send(fmt.Sprintf("now using radius of %d mi for zip code search", *radius))
+}
+
 func setNewPauses(pauses map[string]time.Time) {
 	if len(pauses) == 0 {
 		return