fix(ci): unused variables

lua/cp/cache.lua

@@ -7,6 +7,12 @@
 ---@class CacheData
 ---@field [string] table<string, ContestData>
 ---@field file_states? table<string, FileState>
+---@field contest_lists? table<string, ContestListData>
+
+---@class ContestListData
+---@field contests table[]
+---@field cached_at number
+---@field expires_at number
 
 ---@class ContestData
 ---@field problems Problem[]
@@ -33,6 +39,12 @@ local cache_file = vim.fn.stdpath('data') .. '/cp-nvim.json'
 local cache_data = {}
 local loaded = false
 
+local CONTEST_LIST_TTL = {
+  cses = 7 * 24 * 60 * 60, -- 1 week
+  codeforces = 24 * 60 * 60, -- 1 day
+  atcoder = 24 * 60 * 60, -- 1 day
+}
+
 ---@param platform string
 ---@return number?
 local function get_expiry_date(platform)
@@ -277,4 +289,57 @@ function M.set_file_state(file_path, platform, contest_id, problem_id, language)
   M.save()
 end
 
+---@param platform string
+---@return table[]?
+function M.get_contest_list(platform)
+  vim.validate({
+    platform = { platform, 'string' },
+  })
+
+  if not cache_data.contest_lists or not cache_data.contest_lists[platform] then
+    return nil
+  end
+
+  local contest_list_data = cache_data.contest_lists[platform]
+  if os.time() >= contest_list_data.expires_at then
+    return nil
+  end
+
+  return contest_list_data.contests
+end
+
+---@param platform string
+---@param contests table[]
+function M.set_contest_list(platform, contests)
+  vim.validate({
+    platform = { platform, 'string' },
+    contests = { contests, 'table' },
+  })
+
+  if not cache_data.contest_lists then
+    cache_data.contest_lists = {}
+  end
+
+  local ttl = CONTEST_LIST_TTL[platform] or (24 * 60 * 60) -- Default 1 day
+  cache_data.contest_lists[platform] = {
+    contests = contests,
+    cached_at = os.time(),
+    expires_at = os.time() + ttl,
+  }
+
+  M.save()
+end
+
+---@param platform string
+function M.clear_contest_list(platform)
+  vim.validate({
+    platform = { platform, 'string' },
+  })
+
+  if cache_data.contest_lists and cache_data.contest_lists[platform] then
+    cache_data.contest_lists[platform] = nil
+    M.save()
+  end
+end
+
 return M

lua/cp/init.lua

@@ -708,7 +708,7 @@ local function handle_pick_action()
   end
 
   if config.picker == 'telescope' then
-    local ok, telescope = pcall(require, 'telescope')
+    local ok = pcall(require, 'telescope')
     if not ok then
       logger.log(
         'Telescope not available. Install telescope.nvim or change picker config',

lua/cp/pickers/init.lua

@@ -37,6 +37,12 @@ end
 local function get_contests_for_platform(platform)
   local contests = {}
 
+  cache.load()
+  local cached_contests = cache.get_contest_list(platform)
+  if cached_contests then
+    return cached_contests
+  end
+
   if not utils.setup_python_env() then
     return contests
   end
@@ -81,6 +87,7 @@ local function get_contests_for_platform(platform)
     })
   end
 
+  cache.set_contest_list(platform, contests)
   return contests
 end
 

lua/cp/pickers/telescope.lua

@@ -1,22 +1,29 @@
 local finders = require('telescope.finders')
 local pickers = require('telescope.pickers')
-local telescope = require('telescope')
 local conf = require('telescope.config').values
 local action_state = require('telescope.actions.state')
 local actions = require('telescope.actions')
 
 local picker_utils = require('cp.pickers')
 
-local function platform_picker(opts)
-  opts = opts or {}
+local function problem_picker(opts, platform, contest_id)
+  local constants = require('cp.constants')
+  local platform_display_name = constants.PLATFORM_DISPLAY_NAMES[platform] or platform
+  local problems = picker_utils.get_problems_for_contest(platform, contest_id)
 
-  local platforms = picker_utils.get_platforms()
+  if #problems == 0 then
+    vim.notify(
+      ('No problems found for contest: %s %s'):format(platform_display_name, contest_id),
+      vim.log.levels.WARN
+    )
+    return
+  end
 
   pickers
     .new(opts, {
-      prompt_title = 'Select Platform',
+      prompt_title = ('Select Problem (%s %s)'):format(platform_display_name, contest_id),
       finder = finders.new_table({
-        results = platforms,
+        results = problems,
         entry_maker = function(entry)
           return {
             value = entry,
@@ -26,13 +33,13 @@ local function platform_picker(opts)
         end,
       }),
       sorter = conf.generic_sorter(opts),
-      attach_mappings = function(prompt_bufnr, map)
+      attach_mappings = function(prompt_bufnr)
         actions.select_default:replace(function()
           local selection = action_state.get_selected_entry()
           actions.close(prompt_bufnr)
 
           if selection then
-            contest_picker(opts, selection.value.id)
+            picker_utils.setup_problem(platform, contest_id, selection.value.id)
           end
         end)
         return true
@@ -68,7 +75,7 @@ local function contest_picker(opts, platform)
         end,
       }),
       sorter = conf.generic_sorter(opts),
-      attach_mappings = function(prompt_bufnr, map)
+      attach_mappings = function(prompt_bufnr)
         actions.select_default:replace(function()
           local selection = action_state.get_selected_entry()
           actions.close(prompt_bufnr)
@@ -83,24 +90,16 @@ local function contest_picker(opts, platform)
     :find()
 end
 
-local function problem_picker(opts, platform, contest_id)
-  local constants = require('cp.constants')
-  local platform_display_name = constants.PLATFORM_DISPLAY_NAMES[platform] or platform
-  local problems = picker_utils.get_problems_for_contest(platform, contest_id)
+local function platform_picker(opts)
+  opts = opts or {}
 
-  if #problems == 0 then
-    vim.notify(
-      ('No problems found for contest: %s %s'):format(platform_display_name, contest_id),
-      vim.log.levels.WARN
-    )
-    return
-  end
+  local platforms = picker_utils.get_platforms()
 
   pickers
     .new(opts, {
-      prompt_title = ('Select Problem (%s %s)'):format(platform_display_name, contest_id),
+      prompt_title = 'Select Platform',
       finder = finders.new_table({
-        results = problems,
+        results = platforms,
         entry_maker = function(entry)
           return {
             value = entry,
@@ -110,13 +109,13 @@ local function problem_picker(opts, platform, contest_id)
         end,
       }),
       sorter = conf.generic_sorter(opts),
-      attach_mappings = function(prompt_bufnr, map)
+      attach_mappings = function(prompt_bufnr)
         actions.select_default:replace(function()
           local selection = action_state.get_selected_entry()
           actions.close(prompt_bufnr)
 
           if selection then
-            picker_utils.setup_problem(platform, contest_id, selection.value.id)
+            contest_picker(opts, selection.value.id)
           end
         end)
         return true

lua/cp/scrape.lua

@@ -13,7 +13,6 @@
 
 local M = {}
 local cache = require('cp.cache')
-local logger = require('cp.log')
 local problem = require('cp.problem')
 local utils = require('cp.utils')