activate group join codes (text only so far)

src/verificationbot/cli.py

@@ -4,6 +4,7 @@ import time
 import click
 import deltachat
 from deltachat.capi import lib as dclib
+from deltachat.cutil import as_dc_charpointer
 
 
 def get_control_group(ac: deltachat.account.Account) -> deltachat.chat.Chat | None:
@@ -70,14 +71,32 @@ def init(ctx, db_path, from_backup) -> None:
         click.secho("    verificationbot run\n")
 
 
-def process_command(ac: deltachat.Account, command: deltachat.Message) -> deltachat.Message:
+def process_command(
+    ac: deltachat.Account, command: deltachat.Message
+) -> deltachat.Message:
     """Handle incoming commands, increment the last_command_id.
 
     :param ac: deltachat account object of the bot
     :param command: the deltachat message to be handled
     :returns the reply to the command
     """
-    replytext = "reply to " + command.text
+    if "/help" in command.text:
+        replytext = (
+            "Just send me screenshots of QR codes; "
+            "I will scan them so others can join in on them."
+        )
+    if command.text.startswith("OPENPGP4FPR:"):
+        try:
+            qr = ac.check_qr(command.text)
+            if qr._dc_lot.state() == 512:
+                dclib.dc_set_config_from_qr(ac._dc_context, as_dc_charpointer(command.text))
+            replytext = str(qr._dc_lot.state()) + ". scanned " + command.text
+        except ValueError:
+            replytext = "Not a valid OPENPGP4FPR code"
+    if command.filename:
+        with open(command.filename, "r") as f:
+            ac.qr_join_chat(f)
+        replytext = "scanning QR codes is not supported right now."
     reply = deltachat.Message.new_empty(ac, "text")
     reply.set_text(replytext)
     reply.quote = command
@@ -86,7 +105,9 @@ def process_command(ac: deltachat.Account, command: deltachat.Message) -> deltac
     assert reply
 
 
-def get_next_message_from_group(group: deltachat.Chat, last_message_id: int) -> deltachat.Message:
+def get_next_message_from_group(
+    group: deltachat.Chat, last_message_id: int
+) -> deltachat.Message:
     """Get next message from a Delta Chat group from the ID of the last message.
 
     :param group: the specific Delta Chat group