add Leet open command to open current question in browser

Author: Rustem Galiullin

lua/leetcode-ui/layout/console.lua

@@ -73,6 +73,28 @@ function ConsoleLayout:set_keymaps(keymaps)
     end
 end
 
+function ConsoleLayout:open_url()
+    local command
+    local p = io.popen("uname")
+    local os_name
+
+    if p then
+        os_name = p:read("*l")
+        p:close()
+    end
+
+    if os_name == "Linux" then
+        command = string.format("xdg-open '%s'", self.question.cache.link)
+    elseif os_name == "Darwin" then
+        command = string.format("open '%s'", self.question.cache.link)
+    else
+        -- Fallback to Windows if uname is not available or does not match Linux/Darwin.
+        command = string.format("start \"\" \"%s\"", self.question.cache.link)
+    end
+
+    os.execute(command)
+end
+
 ---@param parent lc.ui.Question
 function ConsoleLayout:init(parent)
     self.question = parent

lua/leetcode/command/init.lua

@@ -246,6 +246,13 @@ function cmd.ui_languages()
     languages:show()
 end
 
+function cmd.open()
+    local utils = require("leetcode.utils")
+    utils.auth_guard()
+    local q = utils.curr_question()
+    if q then q.console:open_url() end
+end
+
 function cmd.fix()
     require("leetcode.cache.cookie").delete()
     require("leetcode.cache.problemlist").delete()
@@ -373,6 +380,7 @@ cmd.commands = {
     daily = { cmd.qot },
     fix = { cmd.fix },
     yank = { cmd.yank },
+    open = { cmd.open },
 
     list = {
         cmd.problems,