--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/LFGFilter.lua	Wed Nov 12 08:48:32 2014 +0300
@@ -0,0 +1,64 @@
+local aName, aEnv = ...
+aEnv.LFGFilter_Allow_Activity = {}
+aEnv.LFGFilter_Allow_Activity.count = 0
+local LFGFilter_Allow_Activity = aEnv.LFGFilter_Allow_Activity
+
+function LFGListUtil_SortSearchResults(results)
+   if LFGFilter_Allow_Activity.count > 0 then
+      local shift_down = 0
+      local original_size = #results
+      for idx = 1, original_size do
+         local result = results[idx]
+         local _, activityID = C_LFGList.GetSearchResultInfo(result)
+         if LFGFilter_Allow_Activity[activityID] then
+            if shift_down > 0 then
+               results[idx - shift_down] = result
+            end
+         else
+            shift_down = shift_down + 1
+         end
+      end
+      for idx = original_size - shift_down + 1, original_size do
+         results[idx] = nil
+      end
+   end
+	table.sort(results, LFGListUtil_SortSearchResultsCB);
+end
+
+function LFGListUtil_SortSearchResultsCB(id1, id2)
+   local id1, activityID1, name1, comment1, voiceChat1, iLvl1, age1, numBNetFriends1, numCharFriends1, numGuildMates1, isDelisted1 = C_LFGList.GetSearchResultInfo(id1);
+   local id2, activityID2, name2, comment2, voiceChat2, iLvl2, age2, numBNetFriends2, numCharFriends2, numGuildMates2, isDelisted2 = C_LFGList.GetSearchResultInfo(id2);
+
+   --If one has more friends, do that one first
+   if ( numBNetFriends1 ~= numBNetFriends2 ) then
+      return numBNetFriends1 > numBNetFriends2;
+   end
+
+   if ( numCharFriends1 ~= numCharFriends2 ) then
+      return numCharFriends1 > numCharFriends2;
+   end
+
+   if ( numGuildMates1 ~= numGuildMates2 ) then
+      return numGuildMates1 > numGuildMates2;
+   end
+
+   if ( activityID1 ~= activityID2 ) then
+      return activityID1 > activityID2;
+   end
+
+   --If we aren't sorting by anything else, just go by ID
+   return id1 < id2;
+end
+
+function LFGPrintRawResults()
+   local totalResults, results = C_LFGList.GetSearchResults()
+   for idx = 1, totalResults do
+      local id1, activityID1, name1, comment1, voiceChat1, iLvl1, age1, numBNetFriends1, numCharFriends1, numGuildMates1, isDelisted1 = C_LFGList.GetSearchResultInfo(results[idx])
+      print(id1, activityID1, C_LFGList.GetActivityInfo(activityID1), '*', name1)
+   end
+end
+
+-- SoO (Normal): 4
+-- SoO (Heroic): 41
+-- SoO (Mythic): 42
+-- /run LFGFilter_Allow_Activity = { [42] = true }
\ No newline at end of file

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/LFGFilter.toc	Wed Nov 12 08:48:32 2014 +0300
@@ -0,0 +1,13 @@
+## Interface: 60000
+
+## Title: LFG Filter for Premade Groups
+## Version: v1
+## Notes: Sorts premade groups found by raid and difficulty, grouping all similar raids together and allows to filter search results to include only specific raids/difficulties.
+## Author: Oleg "Rowaa[SR13]" Volkov
+
+## OptionalDeps: 
+
+## SavedVariables: 
+
+LFGFilter.lua
+Slash.lua
\ No newline at end of file

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Slash.lua	Wed Nov 12 08:48:32 2014 +0300
@@ -0,0 +1,55 @@
+local aName, aEnv = ...
+
+local strchar = string.char
+local strbyte = string.byte
+local random = random
+local strsub = strsub
+local tonumber = tonumber
+
+local function UniqSlashID(base, maxNumber)
+	local clear = true
+	for idx = 1, maxNumber do
+		if _G["SLASH_" .. base .. idx] then clear = false break end
+	end
+	if SlashCmdList[base] then clear = false end
+	if clear then return base end
+	return UniqSlashID(base .. (strchar(random(strbyte('a'), strbyte('z')))), maxNumber)
+end
+
+local slashID
+
+slashID=UniqSlashID("LFGActivityFilter", 1)
+_G["SLASH_" .. slashID .. "1"] = "/lfgaf"
+SlashCmdList[slashID] = function(activities)
+	wipe(aEnv.LFGFilter_Allow_Activity)
+	local count = 0
+	for activity in string.gmatch(activities, "[^ ]+") do
+		local activity_id = tonumber(activity)
+		local activity_name
+		if activity_id then activity_name = C_LFGList.GetActivityInfo(activity_id) end
+		if activity_name then
+			print("Adding wanted activity to filter: ", activity_name)
+			aEnv.LFGFilter_Allow_Activity[activity_id] = true
+			count = count + 1
+		else
+			print("Can't parse activity ID or it doesn't match known activity: ", activity_id)
+		end
+	end
+        aEnv.LFGFilter_Allow_Activity.count = count
+	if count > 0 then
+		print("Activities in filter: ", count)
+	else
+		print("Filters removed.")
+	end
+end
+
+slashID=UniqSlashID("LFGActivityList", 1)
+_G["SLASH_" .. slashID .. "1"] = "/lfgal"
+SlashCmdList[slashID] = function()
+	for activity_id = 1, 10000 do
+		local activity_name = C_LFGList.GetActivityInfo(activity_id)
+		if activity_name then
+			print(activity_id, activity_name)
+		end
+	end
+end
\ No newline at end of file