职位权限：帮派职位的权限矩阵

-- 错误：按钮显隐与权限判定两套账
if role == "vice" then
    kickBtn:setVisible(true)
end
function doKick(p)
    if role == "leader" then
        kick(p)
    end
end

local MATRIX = {
    leader = {kick = true, edit = true, invite = true},
    vice   = {kick = true, edit = true, invite = true},
    member = {invite = true},
}
local function hasPerm(role, action)
    local row = MATRIX[role]
    return row ~= nil and row[action] == true
end
local function refreshButtons(p)
    local role = getVar(p, "role")
    kickBtn:setVisible(hasPerm(role, "kick"))
    editBtn:setVisible(hasPerm(role, "edit"))
end