From 29c35be8a5a77fd0040fa6e4ebcf68c1a03747d9 Mon Sep 17 00:00:00 2001
From: b3yond <b3yond@riseup.net>
Date: Thu, 29 Mar 2018 01:50:05 +0200
Subject: [PATCH] reworked mailbot to implement bot.py

---
 active_bots/mailbot.py | 81 +++++++++++-------------------------------
 1 file changed, 20 insertions(+), 61 deletions(-)

diff --git a/active_bots/mailbot.py b/active_bots/mailbot.py
index b5a57ed..995b390 100644
--- a/active_bots/mailbot.py
+++ b/active_bots/mailbot.py
@@ -8,7 +8,6 @@ import datetime
 import email
 import imaplib
 import report
-from user import User
 from bot import Bot
 
 
@@ -21,25 +20,17 @@ class Mailbot(Bot):
     other bots that it received mails.
     """
 
-    def __init__(self, uid):
-        """
-        Creates a Bot who listens to mails and forwards them to other
-        bots.
-
-        """
-        try:
-            self.mailinglist = self.user.get_mailinglist()
-        except TypeError:
-            self.mailinglist = None
-
-        self.mailbox = imaplib.IMAP4_SSL(config["mail"]["imapserver"])
+    def login(self, user):
+        # change to use mailbox of local system
+        mailinglist = user.get_mailinglist()
+        mailbox = imaplib.IMAP4_SSL(mailinglist)
         context = ssl.create_default_context()
         try:
-            self.mailbox.starttls(ssl_context=context)
+            mailbox.starttls(ssl_context=context)
         except:
             logger.error('StartTLS failed', exc_info=True)
         try:
-            self.mailbox.login(config["mail"]["user"],
+            mailbox.login(config["mail"]["user"],
                                config["mail"]["passphrase"])
         except imaplib.IMAP4.error:
             logger.error("Login to mail server failed", exc_info=True)
@@ -51,41 +42,32 @@ class Mailbot(Bot):
             except:
                 logger.error('Mail sending failed', exc_info=True)
 
-    def repost(self, status):
-        """
-        E-Mails don't have to be reposted - they already reached everyone on the mailing list.
-        The function still needs to be here because backend.py assumes it, and take the
-        report object they want to give us.
-
-        :param status: (report.Report object)
-        """
-        pass
-
     def crawl(self, user):
         """
         crawl for new mails.
         :return: msgs: (list of report.Report objects)
         """
-        mailinglist = user.get_mailinglist()
+        mailbox = self.login(user)
         try:
-            rv, data = self.mailbox.select("Inbox")
+            rv, data = mailbox.select("Inbox")
         except imaplib.IMAP4.abort:
             logger.error("Crawling Mail failed", exc_info=True)
             rv = False
         msgs = []
         if rv == 'OK':
-            rv, data = self.mailbox.search(None, "ALL")
+            rv, data = mailbox.search(None, "ALL")
             if rv != 'OK':
                 return msgs
 
             for num in data[0].split():
-                rv, data = self.mailbox.fetch(num, '(RFC822)')
+                rv, data = mailbox.fetch(num, '(RFC822)')
                 if rv != 'OK':
                     logger.error("Couldn't fetch mail %s %s" % (rv, str(data)))
                     return msgs
                 msg = email.message_from_bytes(data[0][1])
 
-                if not self.user.get_mailinglist() in msg['From']:
+                # check if email was sent by the bot itself. Different solution?
+                if not user.get_mailinglist() in msg['From']:
                     # get a comparable date out of the email
                     date_tuple = email.utils.parsedate_tz(msg['Date'])
                     date_tuple = datetime.datetime.fromtimestamp(
@@ -93,25 +75,21 @@ class Mailbot(Bot):
                         )
                     date = int((date_tuple -
                                 datetime.datetime(1970, 1, 1)).total_seconds())
-                    if date > self.user.get_seen_mail():
-                        self.last_mail = date
-                        self.save_last()
+                    if date > user.get_seen_mail():
                         msgs.append(self.make_report(msg))
         return msgs
 
-    def save_last(self):
-        """ Saves the last retweeted tweet in the db. """
-        self.user.save_seen_mail(self.last_mail)
-
-    def post(self, status):
+    def post(self, user, report):
         """
         sends reports by other sources to a mailing list.
 
-        :param status: (report.Report object)
+        :param report: (report.Report object)
         """
-        mailer = sendmail.Mailer()
-        mailer.send(status.format(), self.mailinglist,
-                    "Warnung: Kontrolleure gesehen")
+        mailinglist = self.login(user)
+        if report.source is not self:
+            mailer = sendmail.Mailer()
+            mailer.send(report.text, mailinglist,
+                        "Warnung: Kontrolleure gesehen")
 
     def make_report(self, msg):
         """
@@ -133,23 +111,4 @@ class Mailbot(Bot):
         text = msg.get_payload()
         post = report.Report(author, "mail", text, None, date)
         self.last_mail = date
-        self.save_last()
         return post
-
-    def flow(self, trigger, statuses):
-        """
-        to be iterated. uses trigger to separate the sheep from the goats
-
-        :param statuses: (list of report.Report objects)
-        :return: statuses: (list of report.Report objects)
-        """
-        for status in statuses:
-            self.post(status)
-
-        msgs = self.crawl()
-
-        statuses = []
-        for msg in msgs:
-            if trigger.is_ok(msg.get_payload()):
-                statuses.append(msg)
-        return statuses