From fced2b7d751e64a1dedc1acf212a4f5b903a8b11 Mon Sep 17 00:00:00 2001
From: Mark Veidemanis <m@zm.is>
Date: Sat, 13 Aug 2022 21:54:14 +0100
Subject: [PATCH] Use ChanKeep system for joining channels with joinSingle

---
 modules/chankeep.py | 55 +++++++++++++++++++++++++++------------------
 1 file changed, 33 insertions(+), 22 deletions(-)

diff --git a/modules/chankeep.py b/modules/chankeep.py
index 263c3b5..0ac9bf8 100644
--- a/modules/chankeep.py
+++ b/modules/chankeep.py
@@ -138,8 +138,9 @@ def emptyChanAllocate(net, flist):
     allocated = {}
 
     newlist = list(flist)
-    sum_free = sum(chanfree.values())  # 250
-    trunc_list = newlist[:sum_free]
+    chan_slots_used = getTotalChans(net)
+    max_chans = getSumChanlimit(net) - chan_slots_used
+    trunc_list = newlist[:max_chans]
     debug(f"emptyChanAllocate() {net}: newlist:{len(newlist)} trunc_list:{len(trunc_list)}")
 
     for i in chanfree.keys():
@@ -162,6 +163,7 @@ def populateChans(net, clist):
     :param new: list of newly provisioned relays to account for"""
     # divided = array_split(clist, relay)
     allocated = emptyChanAllocate(net, clist)
+    trace(f"populateChans() allocated:{allocated}")
     if not allocated:
         return
     for i in allocated.keys():
@@ -169,6 +171,7 @@ def populateChans(net, clist):
             main.TempChan[net][i] = allocated[i]
         else:
             main.TempChan[net] = {i: allocated[i]}
+        trace(f"populateChans() TempChan {net}{i}: {allocated[i]}")
 
 
 def notifyJoin(net):
@@ -180,10 +183,11 @@ def notifyJoin(net):
     for i in getActiveRelays(net):
         name = net + str(i)
         if name in main.IRCPool.keys():
+            trace(f"notifyJoin() {name}")
             main.IRCPool[name].checkChannels()
 
 
-def minifyChans(net, listinfo):
+def minifyChans(net, listinfo, as_list=False):
     """
     Remove channels from listinfo that are already covered by a relay.
     :param net: network
@@ -192,19 +196,32 @@ def minifyChans(net, listinfo):
     :return: list of channels with joined channels removed
     :rtype: list of [channel, num_users]
     """
+    # We want to make this reusable for joining a bunch of channels.
+    if as_list:
+        channel_list = listinfo
+
     if not allRelaysActive(net):
         error("All relays for %s are not active, cannot minify list" % net)
         return False
     for i in getActiveRelays(net):
         name = net + str(i)
         for x in main.IRCPool[name].channels:
-            for y in listinfo:
-                if y[0] == x:
-                    listinfo.remove(y)
-    if not listinfo:
-        log("We're on all the channels we want to be on, dropping LIST")
-        return False
-    return listinfo
+            if as_list:
+                for y in channel_list:
+                    if y == x:
+                        channel_list.remove(y)
+            else:
+                for y in listinfo:
+                    if y[0] == x:
+                        listinfo.remove(y)
+    if not as_list:
+        if not listinfo:
+            log("We're on all the channels we want to be on, dropping LIST")
+            return False
+    if as_list:
+        return channel_list
+    else:
+        return listinfo
 
 
 def keepChannels(net, listinfo, mean, sigrelay, relay):
@@ -278,19 +295,13 @@ def joinSingle(net, channel):
     """
     if "," in channel:
         channels = channel.split(",")
-        eca = emptyChanAllocate(net, channels)
+        channels = minifyChans(net, channels, as_list=True)
+
     else:
-        eca = emptyChanAllocate(net, [channel])
-    if not eca:
-        return False
-    if not len(eca.keys()) == 1:
-        return False
-    num = list(eca.keys())[0]
-    name = f"{net}{num}"
-    if name not in main.IRCPool:
-        return False
-    main.IRCPool[name].join(channel)
-    return num
+        channels = [channel]
+    populateChans(net, channels)
+    notifyJoin(net)
+    return True
 
 
 def partSingle(net, channel):