function modpol.orgs:call_module(module_name, initiator, config, result) if not modpol.modules[module_name] then modpol.ocutil.log('Error in ' .. self.name .. ':call_module -> module "' .. module_name .. '" not found') return end local empty_index = nil -- linear search for empty process slots (lazy deletion) for k, v in ipairs(self.processes) do if v == 'deleted' then empty_index = k break end end local index -- attempts to fill empty spots in list, otherwise appends to end if empty_index then index = empty_index else index = #self.processes + 1 end local module = modpol.modules[module_name] -- sets default values for undeclared config variables if module.config then for k, v in pairs(module.config) do if config[k] == nil then config[k] = v end end end -- setting default params local new_process = { metatable = {__index = module}, initiator = initiator, org = self, id = index, config = config } -- copying default fields from setup for k, v in pairs(module.setup) do new_process[k] = v end setmetatable(new_process, new_process.metatable) self.processes[index] = new_process self.processes[index]:initiate(result) return index end function modpol.orgs:delete_process(id) self.processes[id] = 'deleted' end function modpol.orgs:add_pending_action(process_id, user, callback) self.pending[user] = self.pending[user] or {} self.pending[user][process_id] = callback end function modpol.orgs:remove_pending_action(process_id, user) if self.pending[user] then self.pending[user][process_id] = nil end end function modpol.orgs:wipe_pending_actions(process_id) for user in pairs(self.pending) do self.pending[user][process_id] = nil end end function modpol.orgs:has_pending_actions() -- next() will return the next pair in a table -- if next() returns nil, the table is empty if not self.pending[user] then return false else if not next(self.pending[user]) then return false else return true end end end function modpol.orgs:interact(process_id, user) local process = self.processes[process_id] if self.pending[user] then local callback = self.pending[user][process_id] if callback then process[callback](process, user) end end end