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lib/pleroma/utils.ex

@@ -24,4 +24,22 @@ defmodule Pleroma.Utils do
   def command_available?(command) do
     match?({_output, 0}, System.cmd("sh", ["-c", "command -v #{command}"]))
   end
+
+  @doc "creates the uniq temporary directory"
+  @spec tmp_dir(String.t()) :: {:ok, String.t()} | {:error, :file.posix()}
+  def tmp_dir(prefix \\ "") do
+    sub_dir = [
+      prefix,
+      Timex.to_unix(Timex.now()),
+      :os.getpid(),
+      String.downcase(Integer.to_string(:rand.uniform(0x100000000), 36))
+    ]
+
+    tmp_dir = Path.join(System.tmp_dir!(), Enum.join(sub_dir, "-"))
+
+    case File.mkdir(tmp_dir) do
+      :ok -> {:ok, tmp_dir}
+      error -> error
+    end
+  end
 end