269 lines
7.7 KiB
Lua
269 lines
7.7 KiB
Lua
local M = {}
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local cache = require('cp.cache')
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local config_module = require('cp.config')
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local constants = require('cp.constants')
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local logger = require('cp.log')
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local scraper = require('cp.scraper')
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local state = require('cp.state')
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---@class TestCaseLite
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---@field input string
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---@field expected string
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---@class ScrapeEvent
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---@field problem_id string
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---@field tests TestCaseLite[]|nil
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---@field timeout_ms integer|nil
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---@field memory_mb integer|nil
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---@field interactive boolean|nil
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---@field error string|nil
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---@field done boolean|nil
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---@field succeeded integer|nil
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---@field failed integer|nil
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---@param cd table|nil
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---@return boolean
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local function is_metadata_ready(cd)
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return cd
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and type(cd.problems) == 'table'
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and #cd.problems > 0
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and type(cd.index_map) == 'table'
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and next(cd.index_map) ~= nil
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or false
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end
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---@param platform string
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---@param contest_id string
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---@param problems table
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local function start_tests(platform, contest_id, problems)
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local cached_len = #vim.tbl_filter(function(p)
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return not vim.tbl_isempty(cache.get_test_cases(platform, contest_id, p.id))
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end, problems)
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if cached_len ~= #problems then
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logger.log(('Fetching test cases... (%d/%d)'):format(cached_len, #problems))
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scraper.scrape_all_tests(platform, contest_id, function(ev)
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local cached_tests = {}
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if not ev.interactive and vim.tbl_isempty(ev.tests) then
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logger.log(("No tests found for problem '%s'."):format(ev.problem_id), vim.log.levels.WARN)
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end
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for i, t in ipairs(ev.tests) do
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cached_tests[i] = { index = i, input = t.input, expected = t.expected }
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end
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cache.set_test_cases(
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platform,
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contest_id,
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ev.problem_id,
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cached_tests,
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ev.timeout_ms or 0,
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ev.memory_mb or 0,
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ev.interactive
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)
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end)
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end
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end
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---@param platform string
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---@param contest_id string
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---@param problem_id? string
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---@param language? string
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function M.setup_contest(platform, contest_id, problem_id, language)
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state.set_platform(platform)
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state.set_contest_id(contest_id)
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cache.load()
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local function proceed(contest_data)
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local problems = contest_data.problems
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local pid = problem_id and problem_id or problems[1].id
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M.setup_problem(pid, language)
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start_tests(platform, contest_id, problems)
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end
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local contest_data = cache.get_contest_data(platform, contest_id)
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if not is_metadata_ready(contest_data) then
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local cfg = config_module.get_config()
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local lang = language or (cfg.platforms[platform] and cfg.platforms[platform].default_language)
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vim.cmd.only({ mods = { silent = true } })
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local bufnr = vim.api.nvim_create_buf(true, false)
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vim.api.nvim_win_set_buf(0, bufnr)
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if lang then
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vim.bo[bufnr].filetype = lang
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end
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vim.bo[bufnr].buftype = ''
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local ext = cfg.runtime
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and cfg.runtime.effective[platform]
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and cfg.runtime.effective[platform][lang]
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and cfg.runtime.effective[platform][lang].extension
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local provisional_name = nil
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if ext then
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provisional_name = (config_module.default_filename(contest_id) .. '.' .. ext)
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vim.api.nvim_buf_set_name(bufnr, provisional_name)
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end
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if cfg.hooks and cfg.hooks.setup_code and not vim.b[bufnr].cp_setup_done then
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local ok = pcall(cfg.hooks.setup_code, state)
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if ok then
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vim.b[bufnr].cp_setup_done = true
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end
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end
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if provisional_name then
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cache.set_file_state(
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vim.fn.fnamemodify(provisional_name, ':p'),
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platform,
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contest_id,
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'',
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lang
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)
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end
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state.set_provisional({
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bufnr = bufnr,
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platform = platform,
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contest_id = contest_id,
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language = lang,
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requested_problem_id = problem_id,
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token = vim.loop.hrtime(),
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})
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logger.log('Fetching contests problems...', vim.log.levels.INFO, true)
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scraper.scrape_contest_metadata(
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platform,
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contest_id,
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vim.schedule_wrap(function(result)
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local problems = result.problems or {}
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cache.set_contest_data(platform, contest_id, problems)
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local prov = state.get_provisional()
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if not prov or prov.platform ~= platform or prov.contest_id ~= contest_id then
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return
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end
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local cd = cache.get_contest_data(platform, contest_id)
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if not is_metadata_ready(cd) then
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return
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end
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local pid = prov.requested_problem_id
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if not pid or not cd.index_map or not cd.index_map[pid] then
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pid = cd.problems[1] and cd.problems[1].id or nil
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end
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if not pid then
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return
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end
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M.setup_problem(pid, prov.language)
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start_tests(platform, contest_id, cd.problems)
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end)
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)
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return
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end
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proceed(contest_data)
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end
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---@param problem_id string
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---@param language? string
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function M.setup_problem(problem_id, language)
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local platform = state.get_platform()
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if not platform then
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return
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end
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state.set_problem_id(problem_id)
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local config = config_module.get_config()
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local lang = language
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or (config.platforms[platform] and config.platforms[platform].default_language)
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local source_file = state.get_source_file(lang)
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if not source_file then
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return
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end
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local prov = state.get_provisional()
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if prov and prov.platform == platform and prov.contest_id == (state.get_contest_id() or '') then
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if vim.api.nvim_buf_is_valid(prov.bufnr) then
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local old = vim.api.nvim_buf_get_name(prov.bufnr)
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local new = source_file
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if old ~= '' and old ~= new then
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local st = vim.loop.fs_stat(old)
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if st and st.type == 'file' then
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pcall(vim.loop.fs_rename, old, new)
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end
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end
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vim.api.nvim_buf_set_name(prov.bufnr, new)
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if config.hooks and config.hooks.setup_code and not vim.b[prov.bufnr].cp_setup_done then
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local ok = pcall(config.hooks.setup_code, state)
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if ok then
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vim.b[prov.bufnr].cp_setup_done = true
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end
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end
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cache.set_file_state(
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vim.fn.fnamemodify(new, ':p'),
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platform,
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state.get_contest_id() or '',
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state.get_problem_id() or '',
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lang
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)
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end
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state.set_provisional(nil)
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return
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end
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vim.schedule(function()
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vim.cmd.only({ mods = { silent = true } })
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vim.cmd.e(source_file)
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local bufnr = vim.api.nvim_get_current_buf()
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if config.hooks and config.hooks.setup_code and not vim.b[bufnr].cp_setup_done then
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local ok = pcall(config.hooks.setup_code, state)
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if ok then
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vim.b[bufnr].cp_setup_done = true
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end
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end
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cache.set_file_state(
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vim.fn.expand('%:p'),
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platform,
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state.get_contest_id() or '',
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state.get_problem_id() or '',
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lang
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)
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end)
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end
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---@param direction integer
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function M.navigate_problem(direction)
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if direction == 0 then
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return
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end
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direction = direction > 0 and 1 or -1
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local platform = state.get_platform()
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local contest_id = state.get_contest_id()
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local current_problem_id = state.get_problem_id()
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if not platform or not contest_id or not current_problem_id then
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logger.log('No platform configured.', vim.log.levels.ERROR)
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return
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end
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cache.load()
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local contest_data = cache.get_contest_data(platform, contest_id)
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if not is_metadata_ready(contest_data) then
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logger.log(
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('No data available for %s contest %s.'):format(
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constants.PLATFORM_DISPLAY_NAMES[platform],
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contest_id
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),
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vim.log.levels.ERROR
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)
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return
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end
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local problems = contest_data.problems
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local index = contest_data.index_map[current_problem_id]
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local new_index = index + direction
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if new_index < 1 or new_index > #problems then
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return
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end
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require('cp.ui.panel').disable()
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M.setup_contest(platform, contest_id, problems[new_index].id)
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end
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return M
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