X-Git-Url: https://git.r.bdr.sh/rbdr/nota.nvim/blobdiff_plain/503d09fc95a47c13141d097cf80dd243d1dce342..9e9e89d8556ecafa6b11ab21aa9ffab550f7f3ad:/lua/util.lua

diff --git a/lua/util.lua b/lua/util.lua
index 2636e7c..de53228 100644
--- a/lua/util.lua
+++ b/lua/util.lua
@@ -29,11 +29,15 @@ end
 -------------------------------------------------------------------------------
 -- Public Interface
 -------------------------------------------------------------------------------
+-- File Utils
+
 function Util.ensure_directory_exists(path)
   local full_path = vim.fn.expand(path)
   create_directory(path)
 end
 
+-- Path Utils
+
 function Util.join(...)
   local separator = '/'
   local paths = {...}
@@ -45,4 +49,28 @@ function Util.directory_name(file_path)
   return file_path:match(pattern)
 end
 
+-- Date Utils
+
+function Util.is_valid_date(date_string)
+  local pattern = '(%d+)-(%d+)-(%d+)'
+  local year, month, day = date_string:match(pattern)
+  if year and month and day then
+    return true
+  end
+  return false
+end
+
+function Util.is_before_today(date_string)
+  local pattern = '(%d+)-(%d+)-(%d+)'
+  local year, month, day = date_string:match(pattern)
+  if year and month and day then
+    local today = os.date('*t')
+    local today_date = os.time({year = today.year, month = today.month, day = today.day})
+    local date = os.time({year = tonumber(year), month = tonumber(month), day = tonumber(day)})
+    return date < today_date
+  else
+    return false
+  end
+end
+
 return Util