add cron_reminders.py (admin-only for now)

modules/cron_reminders.py

@@ -0,0 +1,59 @@
+from src import ModuleManager, utils
+
+SETTING = "cron-reminders"
+
+class Module(ModuleManager.BaseModule):
+    _name = "cron"
+
+    @utils.hook("cron")
+    def cron(self, event):
+        try:
+            self._catch_cron(event["schedule"])
+        except Exception as e:
+            self.log.error("Failed to call cron reminders: %s", [str(e)],
+                exc_info=True)
+    def _catch_cron(self, schedule_check):
+        all = []
+        for server in self.bot.servers.values():
+            channel_reminders = server.find_all_user_channel_settings(SETTING)
+            for channel_name, nickname, value in channel_reminders:
+                if channel_name in server.channels:
+                    channel = server.channels.get(channel_name)
+                    for schedule, text in value:
+                        if schedule_check(schedule):
+                            all.append([channel, nickname, text])
+
+            user_reminders = server.get_all_user_settings(SETTING)
+            for nickname, value in user_reminders:
+                if server.has_user(nickname):
+                    user = server.get_user(nickname)
+                    for schedule, text in value:
+                        if schedule_check(schedule):
+                            all.append([user, user.nickname, text])
+
+        for target, nickname, text in all:
+            target.send_message("%s, reminder: %s" % (nickname, text))
+
+
+    @utils.hook("received.command.cron")
+    @utils.kwarg("permission", "cron")
+    @utils.spec("!'add !<schedule>word !<reminder>string")
+    @utils.spec("!'remove !<index>int")
+    def command(self, event):
+        user_id = event["user"].get_id()
+        r = event["target"].get_user_setting(user_id, SETTING, [])
+
+        if event["spec"][0] == "add":
+            r.append([event["spec"][1].replace("+", " "), event["spec"][2]])
+            event["stdout"].write("%s: added reminder"
+                % event["user"].nickname)
+
+        elif event["spec"][0] == "remove":
+            if len(r) <= event["spec"][1]:
+                raise utils.EventError("%s: invalid index (max %d)"
+                    % (event["user"].nickname, len(r)-1))
+            schedule, text = r.pop(event["spec"][1])
+            event["stdout"].write("%s: removed reminder %d: %s (%s)"
+                % (event["user"].nickname, event["spec"][1], schedule, text))
+
+        event["target"].set_user_setting(user_id, SETTING, r)