Merge pull request #95 from espoem/fix/disc-bef-date

Fix `Discussions_by_author_before_date` in `get_discussions`

beem/discussions.py

@@ -26,6 +26,8 @@ class Query(dict):
         :param str parent_author:
         :param str parent_permlink:
         :param str start_parent_author:
+        :param str before_date:
+        :param str author: Author (see Discussions_by_author_before_date)
 
         .. testcode::
 
@@ -37,7 +39,8 @@ class Query(dict):
                  filter_tags=[], select_authors=[], select_tags=[],
                  start_author=None, start_permlink=None,
                  start_tag=None, parent_author=None,
-                 parent_permlink=None, start_parent_author=None):
+                 parent_permlink=None, start_parent_author=None,
+                 before_date=None, author=None):
         self["limit"] = limit
         self["truncate_body"] = truncate_body
         self["tag"] = tag
@@ -50,6 +53,8 @@ class Query(dict):
         self["parent_author"] = parent_author
         self["parent_permlink"] = parent_permlink
         self["start_parent_author"] = start_parent_author
+        self["before_date"] = before_date
+        self["author"] = author
 
 
 class Discussions(object):
@@ -101,6 +106,8 @@ class Discussions(object):
             start_parent_author = discussion_query["start_parent_author"]
         else:
             start_parent_author = None
+        if not discussion_query["before_date"]:
+            discussion_query["before_date"] = "1970-01-01T00:00:00"
         while (query_count < limit and found_more_than_start_entry):
             rpc_query_count = 0
             discussion_query["start_author"] = start_author
@@ -110,7 +117,11 @@ class Discussions(object):
             if discussion_type == "trending":
                 dd = Discussions_by_trending(discussion_query, steem_instance=self.steem, lazy=self.lazy)
             elif discussion_type == "author_before_date":
-                dd = Discussions_by_author_before_date(discussion_query, steem_instance=self.steem, lazy=self.lazy)
+                dd = Discussions_by_author_before_date(author=discussion_query["author"],
+                                                       start_permlink=discussion_query["start_permlink"],
+                                                       before_date=discussion_query["before_date"],
+                                                       limit=discussion_query["limit"],
+                                                       steem_instance=self.steem, lazy=self.lazy)
             elif discussion_type == "payout":
                 dd = Comment_discussions_by_payout(discussion_query, steem_instance=self.steem, lazy=self.lazy)
             elif discussion_type == "post_payout":
@@ -202,8 +213,14 @@ class Discussions_by_trending(list):
 class Discussions_by_author_before_date(list):
     """ Get Discussions by author before date
 
-        :param beem.discussions.Query discussion_query: Defines the parameter for
-            searching posts
+        .. note:: To retrieve discussions before date, the time of creation
+                  of the discussion @author/start_permlink must be older than
+                  the specified before_date parameter.
+
+        :param str author: Defines the author *(required)*
+        :param str start_permlink: Defines the permlink of a starting discussion
+        :param str before_date: Defines the before date for query
+        :param int limit: Defines the limit of discussions
         :param beem.steem.Steem steem_instance: Steem instance
 
         .. testcode::