WowAce

local eval;
do
    local function dumb() return end
    
    local mem = setmetatable({}, {__mode = "v"});
    
    eval = function(s)
        if mem[s] then
            return mem[s];
        else
            local f = loadstring("return " .. (string.gsub(s, "%[lvl%]", UnitLevel("player"))));            
            if f then
                mem[s] = f;
                return f;
            else
                print("Unexpected value for required level: " .. s);
                mem[s] = dumb;
                return dumb;
            end
        end
    end
end

famBags.Classification[FAMBAGSCRITERIA_REQUIREDLEVEL] = function(catindex, critindex)
    local req = CURRENT_INFO.minLvl;
    if not req then return false end
    
    local crit = db[catindex].criterias[critindex];
    local value, operator = crit.value, crit.comparer;
    
    if not (value and operator) then return false end
    
    local min, max = eval(value)();
    
    if not min then return false end
    
    if operator == 1 then        -- Equal
        return req == min;
    elseif operator == 2 then    -- Greater or equal
        return req >= min;
    elseif operator == 3 then    -- Less or equal
        return req <= min;
    else                         -- Between
        return max and (min <= req and req <= max);
    end
end