Refactor local group loading

sources/Users/Users_Feature.uc

@@ -32,6 +32,8 @@ var private array<Text> loadedUserGroups;
 //  a set data structure (has user id as keys and always `none` as a value).
 var private HashTable loadedGroupToUsersMap;
 
+var private LoggerAPI.Definition warnNoLocalGroup;
+
 protected function OnEnabled()
 {
     _.users._reloadFeature();
@@ -57,12 +59,6 @@ protected function SwapConfig(FeatureConfig config)
 }
 
 private final function LoadLocalData()
-{
-    LoadLocalGroupNames();
-    LoadLocalGroupToUserMap();
-}
-
-private final function LoadLocalGroupNames()
 {
     local int   i, j;
     local bool  isDuplicate;
@@ -89,43 +85,59 @@ private final function LoadLocalGroupNames()
         }
         nextUserGroup.FreeSelf();
     }
+    LoadLocalGroupToUserMap();
 }
 
 private final function LoadLocalGroupToUserMap()
 {
-    local int           i, j;
-    local Text          newSteamID;
-    local HashTable     newPlayerSet;
-    local UserGroup     nextGroupConfig;
-    local array<string> nextGroupUserArray;
+    local int i;
 
     _.memory.Free(loadedGroupToUsersMap);
     loadedGroupToUsersMap = _.collections.EmptyHashTable();
     class'UserGroup'.static.Initialize();
     //  Go over every group
-    for (i = 0; i < loadedUserGroups.length; i += 1)
+    for (i = 0; i < loadedUserGroups.length; i += 1) {
+        LoadLocalGroup(loadedUserGroups[i], true);
+    }
+}
+
+private final function LoadLocalGroup(
+    BaseText        groupName,
+    optional bool   localGroupIsExpected)
 {
-        nextGroupConfig = UserGroup(
+    local int           i;
+    local Text          newSteamID, lowerCaseGroupName;
+    local HashTable     newPlayerSet;
+    local UserGroup     groupConfig;
+    local array<string> groupUserArray;
+
+    if (groupName == none) {
+        return;
+    }
+    groupConfig = UserGroup(
         class'UserGroup'.static.GetConfigInstance(loadedUserGroups[i]));
-        if (nextGroupConfig == none)
+    if (groupConfig == none)
     {
-            //  !!! Log missing group
-            continue;
+        if (localGroupIsExpected) {
+            _.logger.Auto(warnNoLocalGroup).Arg(groupName.Copy());
+        }
+        return;
     }
     //  Copy player IDs from `string` array into `HashTable`
     //  that is serving as a set data structure
     newPlayerSet    = _.collections.EmptyHashTable();
-        nextGroupUserArray  = nextGroupConfig.user;
-        for (j = 0; j < nextGroupUserArray.length; j += 1)
+    groupUserArray  = groupConfig.user;
+    for (i = 0; i < groupUserArray.length; i += 1)
     {
-            newSteamID = _.text.FromString(nextGroupUserArray[j]);
+        newSteamID = _.text.FromString(groupUserArray[i]);
         newPlayerSet.SetItem(newSteamID, none);
         newSteamID.FreeSelf();
     }
-        loadedGroupToUsersMap.SetItem(loadedUserGroups[i], newPlayerSet);
+    lowerCaseGroupName = groupName.LowerCopy();
+    loadedGroupToUsersMap.SetItem(lowerCaseGroupName, newPlayerSet);
+    lowerCaseGroupName.FreeSelf();
     newPlayerSet.FreeSelf();
-        nextGroupConfig.FreeSelf();
-    }
+    groupConfig.FreeSelf();
 }
 
 private final function SaveLocalData()
@@ -211,23 +223,20 @@ public final function bool AddGroup(BaseText groupName)
 {
     local bool  groupExists;
     local Text  lowerCaseGroupName;
-    local HashTable newUserSet;
 
     if (groupName == none) {
         return false;
     }
     lowerCaseGroupName = groupName.LowerCopy();
     groupExists = loadedGroupToUsersMap.HasKey(lowerCaseGroupName);
-    if (!groupExists)
+    if (groupExists)
     {
         lowerCaseGroupName.FreeSelf();
         return false;
     }
     loadedUserGroups[loadedUserGroups.length] = lowerCaseGroupName;
     //  Try loading local `UserGroup`?
-    newUserSet = _.collections.EmptyHashTable();
-    loadedGroupToUsersMap.SetItem(lowerCaseGroupName, newUserSet);
-    newUserSet.FreeSelf();
+    LoadLocalGroup(lowerCaseGroupName);
     return true;
 }
 
@@ -834,4 +843,5 @@ public final function bool IsUserGroupDataLoaded()
 defaultproperties
 {
     configClass = class'Users'
+    warnNoLocalGroup = (l=LOG_Warning,m="Expected config to contain `UserGroup` named \"%1\", but it is missing. \"AcediaUsers.ini\" might be misconfigured.")
 }