287 lines
6.9 KiB
Lua
287 lines
6.9 KiB
Lua
---@class FileState
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---@field platform string
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---@field contest_id string
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---@field problem_id? string
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---@field language? string
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---@class ContestData
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---@field problems Problem[]
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---@field index_map table<string, number>
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---@field name string
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---@field display_name string
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---@class ContestSummary
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---@field display_name string
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---@field name string
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---@field id string
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---@class Problem
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---@field id string
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---@field name? string
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---@field interactive? boolean
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---@field memory_mb? number
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---@field timeout_ms? number
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---@field test_cases TestCase[]
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---@class TestCase
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---@field index? number
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---@field expected? string
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---@field input? string
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---@field output? string
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local M = {}
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local logger = require('cp.log')
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local cache_file = vim.fn.stdpath('data') .. '/cp-nvim.json'
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local cache_data = {}
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local loaded = false
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--- Load the cache from disk if not done already
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---@return nil
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function M.load()
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if loaded then
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return
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end
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if vim.fn.filereadable(cache_file) == 0 then
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vim.fn.writefile({}, cache_file)
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loaded = true
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return
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end
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local content = vim.fn.readfile(cache_file)
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if #content == 0 then
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cache_data = {}
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loaded = true
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return
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end
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local ok, decoded = pcall(vim.json.decode, table.concat(content, '\n'))
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if ok then
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cache_data = decoded
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else
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logger.log('Could not decode json in cache file', vim.log.levels.ERROR)
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end
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loaded = true
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end
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--- Save the cache to disk, overwriting existing contents
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---@return nil
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function M.save()
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vim.schedule(function()
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vim.fn.mkdir(vim.fn.fnamemodify(cache_file, ':h'), 'p')
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local encoded = vim.json.encode(cache_data)
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local lines = vim.split(encoded, '\n')
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vim.fn.writefile(lines, cache_file)
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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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---@return ContestData
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function M.get_contest_data(platform, contest_id)
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vim.validate({
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platform = { platform, 'string' },
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contest_id = { contest_id, 'string' },
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})
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return cache_data[platform][contest_id] or {}
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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 Problem[]
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function M.set_contest_data(platform, contest_id, problems)
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vim.validate({
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platform = { platform, 'string' },
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contest_id = { contest_id, 'string' },
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problems = { problems, 'table' },
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})
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cache_data[platform] = cache_data[platform] or {}
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local prev = cache_data[platform][contest_id] or {}
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local out = {
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name = prev.name,
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display_name = prev.display_name,
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problems = vim.deepcopy(problems),
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index_map = {},
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}
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for i, p in ipairs(out.problems) do
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out.index_map[p.id] = i
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end
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cache_data[platform][contest_id] = out
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M.save()
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end
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---@param platform string
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---@param contest_id string
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function M.clear_contest_data(platform, contest_id)
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vim.validate({
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platform = { platform, 'string' },
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contest_id = { contest_id, 'string' },
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})
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if cache_data[platform] and cache_data[platform][contest_id] then
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cache_data[platform][contest_id] = nil
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M.save()
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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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---@return TestCase[]
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function M.get_test_cases(platform, contest_id, problem_id)
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vim.validate({
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platform = { platform, 'string' },
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contest_id = { contest_id, 'string' },
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problem_id = { problem_id, { 'string', 'nil' }, true },
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})
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if
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not cache_data[platform]
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or not cache_data[platform][contest_id]
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or not cache_data[platform][contest_id].problems
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or not cache_data[platform][contest_id].index_map
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then
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return {}
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end
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local index = cache_data[platform][contest_id].index_map[problem_id]
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return cache_data[platform][contest_id].problems[index].test_cases or {}
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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 test_cases TestCase[]
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---@param timeout_ms? number
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---@param memory_mb? number
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---@param interactive? boolean
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function M.set_test_cases(
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platform,
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contest_id,
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problem_id,
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test_cases,
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timeout_ms,
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memory_mb,
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interactive
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)
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vim.validate({
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platform = { platform, 'string' },
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contest_id = { contest_id, 'string' },
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problem_id = { problem_id, { 'string', 'nil' }, true },
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test_cases = { test_cases, 'table' },
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timeout_ms = { timeout_ms, { 'number', 'nil' }, true },
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memory_mb = { memory_mb, { 'number', 'nil' }, true },
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interactive = { interactive, { 'boolean', 'nil' }, true },
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})
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local index = cache_data[platform][contest_id].index_map[problem_id]
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cache_data[platform][contest_id].problems[index].test_cases = test_cases
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cache_data[platform][contest_id].problems[index].timeout_ms = timeout_ms or 0
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cache_data[platform][contest_id].problems[index].memory_mb = memory_mb or 0
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M.save()
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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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---@return number?, number?
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function M.get_constraints(platform, contest_id, problem_id)
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vim.validate({
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platform = { platform, 'string' },
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contest_id = { contest_id, 'string' },
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problem_id = { problem_id, { 'string', 'nil' }, true },
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})
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local index = cache_data[platform][contest_id].index_map[problem_id]
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local problem_data = cache_data[platform][contest_id].problems[index]
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return problem_data.timeout_ms, problem_data.memory_mb
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end
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---@param file_path string
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---@return FileState?
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function M.get_file_state(file_path)
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if not cache_data.file_states then
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return nil
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end
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return cache_data.file_states[file_path]
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end
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---@param file_path string
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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.set_file_state(file_path, platform, contest_id, problem_id, language)
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if not cache_data.file_states then
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cache_data.file_states = {}
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end
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cache_data.file_states[file_path] = {
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platform = platform,
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contest_id = contest_id,
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problem_id = problem_id,
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language = language,
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}
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M.save()
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end
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---@param platform string
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---@return ContestSummary[]
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function M.get_contest_summaries(platform)
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local contest_list = {}
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for contest_id, contest_data in pairs(cache_data[platform] or {}) do
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table.insert(contest_list, {
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id = contest_id,
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name = contest_data.name,
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display_name = contest_data.display_name,
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})
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end
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return contest_list
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end
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---@param platform string
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---@param contests ContestSummary[]
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function M.set_contest_summaries(platform, contests)
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cache_data[platform] = cache_data[platform] or {}
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for _, contest in ipairs(contests) do
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cache_data[platform][contest.id] = cache_data[platform][contest] or {}
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cache_data[platform][contest.id].display_name = contest.display_name
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cache_data[platform][contest.id].name = contest.name
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end
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M.save()
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end
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function M.clear_all()
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cache_data = {}
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M.save()
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end
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---@param platform string
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function M.clear_platform(platform)
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if cache_data[platform] then
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cache_data[platform] = nil
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end
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M.save()
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end
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---@return string
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function M.get_data_pretty()
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M.load()
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return vim.inspect(cache_data)
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end
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return M
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