activate and deactivate a chat

src/remember_remember_bot/commands.py

@@ -19,3 +19,53 @@ def remind_user(user: deltachat.Contact):
         file_path = get_file_path(messages)
         lines = get_lines_from_file(file_path)
         print(lines)
+
+
+def activate_chat(msg: deltachat.Message):
+    """Activate a Chat after the user sent /start"""
+    messages = [message.text for message in msg.chat.get_messages()]
+    file_path = get_file_path(messages)
+    if not file_path:
+        reply(
+            msg.chat,
+            "You first need to send me a file path with the /file command.",
+            quote=msg,
+        )
+        msg.mark_seen()
+        return
+    reply(msg.chat, f"I will send you daily reminders from the file {file_path}.")
+    msg.chat.set_ephemeral_timer(60 * 60 * 24)
+    remind_user(msg.get_sender_contact())
+
+
+def handle_incoming_message(msg: deltachat.Message):
+    print(str(msg.chat.id), msg.text)
+    if "/start" in msg.text:
+        activate_chat(msg)
+    elif "/stop" in msg.text:
+        msg.chat.set_ephemeral_timer(0)
+        reply(msg.chat, "I will stop sending you messages now.", quote=msg)
+    msg.mark_seen()
+
+
+def reply(
+    chat: deltachat.Chat,
+    text: str,
+    quote: deltachat.Message = None,
+    attachment: str = None,
+):
+    """Reply to a message from a user.
+
+    :param chat: the chat where the user's message appeared
+    :param text: the text of the reply
+    :param quote: (optional) if you want it as a reply to a specific message
+    :param attachment: the file path of an attachment
+    """
+    print(str(chat.id), text)
+    our_reply = deltachat.message.Message.new_empty(chat.account, "text")
+    our_reply.set_text(text)
+    if quote:
+        our_reply.quote = quote
+    if attachment:
+        our_reply.set_file(attachment)
+    chat.send_msg(our_reply)

src/remember_remember_bot/loop.py

@@ -2,7 +2,7 @@ import time
 
 import deltachat
 
-from remember_remember_bot.commands import remind_user
+from remember_remember_bot.commands import remind_user, handle_incoming_message
 from remember_remember_bot.util import check_new_day, update_day
 
 
@@ -15,6 +15,7 @@ def loop(ac: deltachat.Account):
                     user.get_chat()
                 ):  # does this return None if there is no existing chat?
                     remind_user(user)
-        print(current_day)
         current_day = update_day()
+        for msg in ac.get_fresh_messages():
+            handle_incoming_message(msg)
         time.sleep(1)

src/remember_remember_bot/util.py

@@ -23,6 +23,13 @@ def chat_is_active(messages: [str]) -> bool:
             active = True
         if "/stop" in message_text:
             active = False
+        if "I will stop sending you messages now." in message_text:
+            active = False
+        if (
+            "You first need to send me a file path with the /file command."
+            in message_text
+        ):
+            active = False
     return active
 
 
@@ -36,7 +43,8 @@ def get_file_path(messages: [str]) -> str:
     for message_text in messages:
         if "file" in message_text:
             file_path = message_text.split("file ", 1)[1]
-    return file_path
+    if not get_lines_from_file(file_path) == [f"File not found: {file_path}"]:
+        return file_path
 
 
 def get_lines_from_file(file_path: str) -> [str]:
@@ -45,6 +53,9 @@ def get_lines_from_file(file_path: str) -> [str]:
     :param file_path: the path to the file with the user's reminders
     :return: a list with all the user's reminders
     """
-    with open(file_path, "r", encoding="utf-8") as f:
-        lines = f.readlines()
+    try:
+        with open(file_path, "r", encoding="utf-8") as f:
+            lines = f.readlines()
+    except (FileNotFoundError, TypeError):
+        return [f"File not found: {file_path}"]
     return [line.strip("\n") for line in lines]

tests/conftest.py

@@ -0,0 +1,10 @@
+import pytest
+
+
+@pytest.fixture
+def tmp_file_path(request, tmpdir):
+    if request.param:
+        path = str(tmpdir) + "/" + str(request.param)
+        with open(path, "w+", encoding="utf-8") as f:
+            f.write("test")
+        return path

tests/test_util.py

@@ -20,6 +20,15 @@ def test_update_day():
         (["/start"], True),
         (["/start", "/stop"], False),
         (["/start", "/stop", "Let's get this party started"], False),
+        (
+            [
+                "/start",
+                "Message deletion timer is set to 1 day by",
+                "Message deletion timer is disabled by",
+                "I will stop sending you messages now.",
+            ],
+            False,
+        ),
         (["/start", "/stop", "/start"], True),
     ],
 )
@@ -28,13 +37,19 @@ def test_chat_is_active(messages, active):
 
 
 @pytest.mark.parametrize(
-    ("messages", "file_path"),
+    "messages, tmp_file_path",
     [
-        (["/file /home/user/test"], "/home/user/test"),
-        (["/file /home/user/test", "/stop"], "/home/user/test"),
-        (["I stored your reminders at the file /home/user/test"], "/home/user/test"),
+        (["/file %file_path%"], "test1"),
+        (["/file %file_path%", "/stop"], "test2"),
+        (["I stored your reminders at the file %file_path%"], "test3"),
         (["/start", "/stop", "/start"], None),
     ],
+    indirect=["tmp_file_path"],
 )
-def test_get_file_path(messages: [], file_path: str):
-    assert get_file_path(messages) == file_path
+def test_get_file_path(messages: [], tmp_file_path: str):
+    if tmp_file_path:
+        for listitem in range(len(messages)):
+            messages[listitem] = messages[listitem].replace(
+                "%file_path%", tmp_file_path
+            )
+    assert get_file_path(messages) == tmp_file_path