add searching for posts by date

fet2020/posts/managers.py

@@ -25,6 +25,38 @@ class PostManager(models.Manager):
 
         return posts
 
+    def get_date_filtered_list(self, year=None, month=None, fet_meeting_only=None):
+        post_list = []
+
+        if not fet_meeting_only:
+            posts = self.get_visible_articles().filter(~Q(post_type="N"))
+        else:
+            posts = self.get_visible_articles().filter(post_type="F")
+
+        if year:
+            posts = posts.filter(event_start__year=year)
+            if month:
+                posts = posts.filter(event_start__month=month)
+
+        for post in posts:
+            post_list.append((post, post.event_start.date()))
+
+        if not fet_meeting_only:
+            posts = self.get_visible_articles().filter(post_type="N")
+            
+            if year:
+                posts = posts.filter(public_date__year=year)
+                if month:
+                    posts = posts.filter(public_date__month=month)
+
+            for post in posts:
+                post_list.append((post, post.public_date))
+
+        result = sorted(post_list, key=lambda x: x[1], reverse=True)
+        posts = [x[0] for x in result]
+
+        return posts
+
     def get_last_months_posts(self):
         date_today = timezone.now().date()
         return self.get_visible_articles().filter(