support !help, find clints change to end of string

config.json

@@ -1,6 +1,6 @@
 {
    "Interval": {
-      "Input": "10s..30s",
+      "Input": "15s..20s",
       "OK": "6h0m0s..6h0m0s",
       "Error": "6h0m0s..6h0m0s"
    },
@@ -17,16 +17,18 @@
    },
    "Maps": {
       "URIFormat": "https://maps.googleapis.com/maps/api/staticmap?center=%s\u0026markers=label=A|%s\u0026zoom=5\u0026size=250x250\u0026scale=1\u0026format=jpeg\u0026maptype=roadmap\u0026key=AIzaSyBkACm-LQkoSfsTO5_XAzBVZE9-JQzcNkg",
-      "Pickup": true,
+      "Pickup": false,
-      "Dropoff": true
+      "Dropoff": false
    },
    "Clients": {
       "bel": {
-         "States": [],
+         "States": [
+            "GA"
+         ],
          "IDs": {
             "Matrix": "@breellocaldev:matrix.org"
          },
-         "Available": 5642452800
+         "Available": 1641013200
       },
       "broc": {
          "States": [
@@ -49,7 +51,7 @@
       },
       "pa": {
          "States": [
-            "OH"
+            "OK"
          ],
          "IDs": {
             "Matrix": "@belandbroc:matrix.org"
@@ -58,20 +60,21 @@
       }
    },
    "Storage": [
-      "map"
+      "files",
+      "/tmp/play"
    ],
    "Message": {
       "Matrix": {
          "ReceiveEnabled": true,
-         "Mock": true,
+         "Mock": false,
          "Homeserver": "https://matrix-client.matrix.org",
          "Username": "@breellocaldev:matrix.org",
          "Token": "syt_YnJlZWxsb2NhbGRldg_HTewKMMePdEcLvceAKEz_2fHsHa",
          "Device": "TGNIOGKATZ",
-         "Room": "!ySKxwGHQPzPfVAldfJ:matrix.org"
+         "Room": "!hmZLTAfvaizaGquCGM:matrix.org"
       }
    },
-   "Once": true,
+   "Once": false,
    "Brokers": {
       "NTG": {
          "Mock": true,

main.go

@@ -56,6 +56,31 @@ func matrixrecv() error {
 	if err != nil {
 		return err
 	}
+	func() {
+		log.Printf("looking for help")
+		printed := false
+		for _, msg := range messages {
+			if !strings.HasPrefix(msg.Content, "!help") {
+				continue
+			}
+			if !printed {
+				key := fmt.Sprintf("help_%d", msg.Timestamp.Unix())
+				db := config.Get().DB()
+				if _, err := db.Get(key); err == storage.ErrNotFound {
+					log.Printf("sending help")
+					help := fmt.Sprintf("commands:\n\t!help\tprint this help\n\t!state nc NC nC Nc\tset states for self\n\t!available 2022-12-31\tset date self is available for work\n\nrun a command for someone else: `!state ga @caleb`")
+					if err := sender.Send(help); err != nil {
+						log.Printf("failed to send help: %v", err)
+					} else {
+						printed = true
+						if err := db.Set(key, []byte{'k'}); err != nil {
+							log.Printf("failed to mark help given @%s: %v", key, err)
+						}
+					}
+				}
+			}
+		}
+	}()
 	func() {
 		log.Printf("looking for states")
 		states := map[string]map[config.State]struct{}{}
@@ -98,10 +123,10 @@ func matrixrecv() error {
 }
 
 func setNewPauses(pauses map[string]time.Time) {
-	log.Printf("set new pauses: %+v", pauses)
 	if len(pauses) == 0 {
 		return
 	}
+	log.Printf("set new pauses: %+v", pauses)
 	conf := *config.Get()
 	changed := map[string]time.Time{}
 	for client, pause := range pauses {

message/matrix.go

@@ -41,7 +41,10 @@ func (m Matrix) Receive() ([]Message, error) {
 		log.Printf("matrix.Receive()")
 		messages := make([]Message, 0)
 		for k := range config.Get().Clients {
-			messages = append(messages, Message{Timestamp: time.Now(), Sender: k, Content: "OH"})
+			messages = append(messages, Message{Timestamp: time.Now(), Sender: k, Content: "!state OH"})
+			if k == "bel" {
+				messages = append(messages, Message{Timestamp: time.Now(), Sender: k, Content: "!help"})
+			}
 			if k == "broc" {
 				messages = append(messages, Message{Timestamp: time.Now(), Sender: k, Content: "!available 2148-10-" + fmt.Sprint(time.Now().Unix()%28)})
 			}
@@ -62,6 +65,9 @@ func (m Matrix) Receive() ([]Message, error) {
 	}
 	messages := make([]Message, 0)
 	result, err := c.Messages(m.room, "", "", 'b', 50)
+	if err != nil {
+		return nil, err
+	}
 	for _, event := range result.Chunk {
 		if _, ok := matrixIDs[event.Sender]; !ok {
 			continue
@@ -74,10 +80,7 @@ func (m Matrix) Receive() ([]Message, error) {
 			}
 		}
 	}
-	if err != nil {
+	clientChange := regexp.MustCompile("@[a-z]+$")
-		return nil, err
-	}
-	clientChange := regexp.MustCompile("^@[a-z]+")
 	for i := range messages {
 		if found := clientChange.FindString(messages[i].Content); found != "" {
 			messages[i].Content = strings.TrimSpace(strings.ReplaceAll(messages[i].Content, found, ""))
@@ -89,6 +92,7 @@ func (m Matrix) Receive() ([]Message, error) {
 				}
 			}
 		}
+		messages[i].Content = strings.TrimSpace(messages[i].Content)
 	}
 	return messages, nil
 }