# HG changeset patch
# User Paul Boddie <paul@boddie.org.uk>
# Date 1507842846 -7200
# Node ID a2708b0945c855f0fd8695b4e97157b41bcbe0d7
# Parent  b139a6f7662b95a7388a7df5d07d53cf8085c961
Added methods to obtain recurrence counter-proposal identifiers.

diff -r b139a6f7662b -r a2708b0945c8 imiptools/stores/common.py
--- a/imiptools/stores/common.py	Sat Oct 07 22:08:13 2017 +0200
+++ b/imiptools/stores/common.py	Thu Oct 12 23:14:06 2017 +0200
@@ -3,7 +3,7 @@
 """
 General support for calendar data storage.
 
-Copyright (C) 2014, 2015, 2016 Paul Boddie <paul@boddie.org.uk>
+Copyright (C) 2014, 2015, 2016, 2017 Paul Boddie <paul@boddie.org.uk>
 
 This program is free software; you can redistribute it and/or modify it under
 the terms of the GNU General Public License as published by the Free Software
@@ -484,6 +484,15 @@
 
         pass
 
+    def get_counter_recurrences(self, user, uid):
+
+        """
+        For the given 'user', return a list of recurrence identifiers describing
+        counter-proposals for the parent event with the given 'uid'.
+        """
+
+        pass
+
     def get_counter(self, user, other, uid, recurrenceid=None):
 
         """
diff -r b139a6f7662b -r a2708b0945c8 imiptools/stores/database/common.py
--- a/imiptools/stores/database/common.py	Sat Oct 07 22:08:13 2017 +0200
+++ b/imiptools/stores/database/common.py	Thu Oct 12 23:14:06 2017 +0200
@@ -662,6 +662,27 @@
         self.cursor.execute(query, values)
         return self.get_single_values()
 
+    def get_counter_recurrences(self, user, uid):
+
+        """
+        For the given 'user', return a list of recurrence identifiers describing
+        counter-proposals for the parent event with the given 'uid'.
+        """
+
+        table = self.get_recurrence_table("counters")
+
+        columns = ["store_user", "object_uid"]
+        values = [user, uid]
+
+        query, values = self.get_query(
+            "select object_recurrenceid from %(table)s :condition" % {
+                "table" : table
+                },
+            columns, values)
+
+        self.cursor.execute(query, values)
+        return self.get_single_values()
+
     def get_counter(self, user, other, uid, recurrenceid=None):
 
         """
diff -r b139a6f7662b -r a2708b0945c8 imiptools/stores/file.py
--- a/imiptools/stores/file.py	Sat Oct 07 22:08:13 2017 +0200
+++ b/imiptools/stores/file.py	Thu Oct 12 23:14:06 2017 +0200
@@ -568,6 +568,19 @@
 
         return [name for name in listdir(filename) if isfile(join(filename, name))]
 
+    def get_counter_recurrences(self, user, uid):
+
+        """
+        For the given 'user', return a list of recurrence identifiers describing
+        counter-proposals for the parent event with the given 'uid'.
+        """
+
+        filename = self.get_object_in_store(user, "counters", "recurrences", uid)
+        if not filename or not isdir(filename):
+            return []
+
+        return listdir(filename)
+
     def get_counter(self, user, other, uid, recurrenceid=None):
 
         """