Initial commit

internal/bot/commandParser.go

@@ -0,0 +1,59 @@
+/*
+ * Copyright © 2022 Kevin Kandlbinder.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
+
+package bot
+
+import (
+	"log"
+	"maunium.net/go/mautrix"
+	"maunium.net/go/mautrix/id"
+	"strings"
+)
+
+// handleCommand takes a command, parses it and executes any actions it implies
+func handleCommand(command string, sender id.UserID, id id.RoomID, client *mautrix.Client) {
+	myUsername, _, err := client.UserID.Parse()
+	if err != nil {
+		log.Panicln("Invalid user id in client")
+	}
+
+	command = strings.TrimPrefix(command, "!")        // Remove !
+	command = strings.TrimPrefix(command, "@")        // Remove @
+	command = strings.TrimPrefix(command, myUsername) // Remove our own username
+	command = strings.TrimPrefix(command, ":")        // Remove : (as in "@soccerbot:")
+	command = strings.TrimSpace(command)
+
+	// TODO: Remove this, it is debug!
+	log.Println(command)
+
+	// Is this a help command?
+	if strings.HasPrefix(command, "help") {
+		commandHelp(sender, id, client)
+		return
+	}
+
+	// No match :( - display help
+	commandHelp(sender, id, client)
+	return
+}
+
+func commandHelp(_ id.UserID, id id.RoomID, client *mautrix.Client) {
+	// TODO: Improve help message
+
+	// Ignore errors as we can't do anything about them, the user will probably retry
+	_, _ = client.SendNotice(id, "matrix-veles help\n\n!veles-bot help - shows this help")
+}