1 files changed, 99 insertions, 0 deletions
diff --git a/misc/freeswitch/scripts/common/group.lua b/misc/freeswitch/scripts/common/group.lua
new file mode 100644
index 0000000..b89585a
--- /dev/null
+++ b/misc/freeswitch/scripts/common/group.lua
@@ -0,0 +1,99 @@
+-- Gemeinschaft 5 module: group class
+-- (c) AMOOMA GmbH 2013
+-- 
+
+module(...,package.seeall)
+
+Group = {}
+
+MAX_GROUP_MEMBERSHIPS = 256;
+
+-- create group object
+function Group.new(self, arg)
+  arg = arg or {}
+  object = arg.object or {}
+  setmetatable(object, self);
+  self.__index = self;
+  self.class = 'group';
+  self.log = arg.log;
+  self.database = arg.database;
+  return object;
+end
+
+-- find group by id
+function Group.find_by_id(self, id)
+  local sql_query = 'SELECT * FROM `groups` WHERE `id`= ' .. tonumber(id) .. ' LIMIT 1';
+  local group = nil;
+
+  self.database:query(sql_query, function(account_entry)
+    group = Group:new(self);
+    group.record = account_entry;
+    group.id = tonumber(account_entry.id);
+    group.name = account_entry.name;
+  end);
+
+  return group;
+end
+
+-- list groups by member permissions
+function Group.name_id_by_member_permissions(self, member_id, member_type, permissions, targets)
+  if not tonumber(member_id) then
+    return {};
+  end
+
+  local sql_query = nil;
+
+  if targets then
+    sql_query = 'SELECT DISTINCT `c`.`id`, `c`.`name` \
+      FROM `group_permissions` `a` \
+      JOIN `group_memberships` `b` ON `a`.`target_group_id` = `b`.`group_id` \
+      JOIN `groups` `c` ON `c`.`id` = `b`.`group_id` \
+      WHERE `b`.`item_type` = ' .. self.database:escape(member_type, '"') .. ' \
+      AND `b`.`item_id` = ' .. member_id .. ' \
+      AND `a`.`permission` IN ("' .. table.concat(permissions, ',') .. '") \
+      GROUP BY `b`.`group_id` LIMIT ' .. MAX_GROUP_MEMBERSHIPS;
+  else
+    sql_query = 'SELECT DISTINCT `c`.`id`, `c`.`name` \
+      FROM `group_permissions` `a` \
+      JOIN `group_memberships` `b` ON `a`.`group_id` = `b`.`group_id` \
+      JOIN `groups` `c` ON `c`.`id` = `a`.`group_id` \
+      WHERE `b`.`item_type` = ' .. self.database:escape(member_type, '"') .. ' \
+      AND `b`.`item_id` = ' .. member_id .. ' \
+      AND `a`.`permission` IN ("' .. table.concat(permissions, ',') .. '") \
+      GROUP BY `b`.`group_id` LIMIT ' .. MAX_GROUP_MEMBERSHIPS;
+  end
+
+  local group_names = {};
+  local group_ids = {};
+
+  self.database:query(sql_query, function(account_entry)
+    table.insert(group_names, account_entry.name);
+    table.insert(group_ids, tonumber(account_entry.id));
+  end);
+
+  return group_names, group_ids;
+end
+
+-- list groups by member
+function Group.name_id_by_member(self, member_id, member_type)
+  if not tonumber(member_id) then
+    return {};
+  end
+
+  local sql_query = 'SELECT DISTINCT `c`.`id`, `c`.`name` \
+      FROM `group_memberships` `b` \
+      JOIN `groups` `c` ON `c`.`id` = `b`.`group_id` \
+      WHERE `b`.`item_type` = ' .. self.database:escape(member_type, '"') .. ' \
+      AND `b`.`item_id` = ' .. member_id .. ' \
+      GROUP BY `b`.`group_id` LIMIT ' .. MAX_GROUP_MEMBERSHIPS;
+
+  local group_names = {};
+  local group_ids = {};
+
+  self.database:query(sql_query, function(account_entry)
+    table.insert(group_names, account_entry.name);
+    table.insert(group_ids, tonumber(account_entry.id));
+  end);
+
+  return group_names, group_ids;
+end