on set new states, send confirmation message

config.json

@@ -1,7 +1,7 @@
 {
    "Name": "pa",
    "Interval": {
-      "Email": "15m0s..15m0s",
+      "Email": "10s..30s",
       "OK": "6h0m0s..6h0m0s",
       "Error": "6h0m0s..6h0m0s"
    },

main.go

@@ -11,6 +11,7 @@ import (
 	"local/truckstop/message"
 	"log"
 	"regexp"
+	"sort"
 	"strings"
 	"sync"
 	"time"
@@ -66,19 +67,33 @@ func matrixrecv() error {
 			states[state] = struct{}{}
 		}
 	}
-	if len(states) == 0 {
+	setNewStates(states)
-		return nil
-	}
-	conf := *config.Get()
-	conf.States = []config.State{}
-	for k := range states {
-		conf.States = append(conf.States, k)
-	}
-	log.Printf("%+v, %+v", states, conf)
-	config.Set(conf)
 	return nil
 }
 
+func setNewStates(states map[config.State]struct{}) {
+	if len(states) == 0 {
+		return
+	}
+	newstates := []config.State{}
+	for k := range states {
+		newstates = append(newstates, k)
+	}
+	sort.Slice(newstates, func(i, j int) bool {
+		return newstates[i] < newstates[j]
+	})
+	conf := *config.Get()
+	if fmt.Sprint(newstates) == fmt.Sprint(conf.States) {
+		return
+	}
+	conf.States = newstates
+	log.Printf("updating config new states: %+v", conf)
+	config.Set(conf)
+	if err := sendNewStates(conf.States); err != nil {
+		log.Printf("failed to send new states %+v: %v", conf.States, err)
+	}
+}
+
 func email() error {
 	log.Printf("checking email...")
 	ch, err := config.Get().Emailer.ReadIMAP()
@@ -101,16 +116,7 @@ func email() error {
 			states[state] = struct{}{}
 		}
 	}
-	if len(states) == 0 {
+	setNewStates(states)
-		return nil
-	}
-	conf := *config.Get()
-	conf.States = []config.State{}
-	for k := range states {
-		conf.States = append(conf.States, k)
-	}
-	log.Printf("%+v, %+v", states, conf)
-	config.Set(conf)
 	return nil
 }
 
@@ -228,3 +234,8 @@ func sendJob(job broker.Job) error {
 	sender := message.NewMatrix()
 	return sender.Send(job.FormatMultilineText())
 }
+
+func sendNewStates(states []config.State) error {
+	sender := message.NewMatrix()
+	return sender.Send(fmt.Sprintf("now searching for loads from: %+v", states))
+}

todo.yaml

@@ -1,4 +1,15 @@
 todo:
+- send matrix msg on config change
+- rm email
+- modify old items once no longer available
+- many users -> 1 ntg query
+- accept after date
+- "caleb: my-usual-stuff" to alias
+- rate LIMIT
+- more than NTG
+- accept pause commands
+- rate limit brokers
+- write to matrix on config change like states
 - todo: filter out jobs like CA
   subtasks:
   - banlist criteria like vendors, brokers, metadata