[gsoc-admin] EmailTemplate: Add date

[Lasse Schuirmann <lschuirma src gnome org>]

commit d060441485a8de0949a811a193bcc845b822954e
Author: Lasse Schuirmann <lasse schuirmann gmail com>
Date:   Thu Aug 13 12:25:02 2015 +0200

    EmailTemplate: Add date

 data/config.cfg   |    3 ++-
 maillib/config.py |    7 ++++++-
 maillib/email.py  |    5 ++++-
 3 files changed, 12 insertions(+), 3 deletions(-)
---
diff --git a/data/config.cfg b/data/config.cfg
index 44f4e3a..f4e8f72 100644
--- a/data/config.cfg
+++ b/data/config.cfg
@@ -15,7 +15,8 @@ description_regex = .*[fF]inal evaluation deadline.*
 [FOO]
 type = mail_template
 path = data/templates/foo
-when = FINAL_EVALS - 3d
+related_to = FINAL_EVALS
+days_before = 3
 sender = lasse schuirmann gmail com
 recipients = GSoC_Students
 recipients_mail_column = mail
diff --git a/maillib/config.py b/maillib/config.py
index 2d156db..e6e5eb2 100644
--- a/maillib/config.py
+++ b/maillib/config.py
@@ -6,6 +6,7 @@ import csv
 import re
 from ics import Calendar
 from urllib import request
+from datetime import timedelta
 
 from maillib.email import Contact, EmailTemplate
 
@@ -89,8 +90,12 @@ class EventConfig:
             name = row.get(recipients_name_column, None)
             recipients.append(Contact(mail, name))
 
+        days_before = int(section.get('days_before', '0'))
+        related_to = self.dates[section['related_to']].begin
+        related_to -= timedelta(days=days_before)
+
         self.mail_templates.append(
-            EmailTemplate(text, sender, recipients, cc, bcc))
+            EmailTemplate(text, sender, recipients, cc, bcc, related_to))
 
     def append_ics_from_section(self, section):
         ics_data = get_main_data_from_section(section)
diff --git a/maillib/email.py b/maillib/email.py
index e836c8b..c3b421b 100755
--- a/maillib/email.py
+++ b/maillib/email.py
@@ -31,7 +31,7 @@ class Contact:
 
 
 class EmailTemplate:
-    def __init__(self, text, sender, recipients, cc="", bcc=""):
+    def __init__(self, text, sender, recipients, cc="", bcc="", date=None):
         """
         Creates a new mail template.
 
@@ -40,12 +40,15 @@ class EmailTemplate:
         :param recipients: A list of Contact objects.
         :param cc:         The mail adress(es) to CC (string).
         :param bcc:        The mail adress(es) to BCC (string).
+        :param date:       An Arrow object indicating when this template is to
+                           be sent.
         """
         self.text = text
         self.sender = sender
         self.recipients = recipients
         self.cc = cc
         self.bcc = bcc
+        self.date = date
 
     def get_specific(self, data_dict):
         """