From 872698d19e711978debe73c699c06a167d68adb9 Mon Sep 17 00:00:00 2001
From: firest <enlanubo@gmail.com>
Date: Fri, 30 Jun 2023 11:42:24 +0800
Subject: [PATCH] feat(ruleengine): port random && uuid_v4 functions from v4

---
 .../src/emqx_rule_engine.app.src              |  2 +-
 apps/emqx_rule_engine/src/emqx_rule_funcs.erl | 22 +++++++++++++++++++
 mix.exs                                       |  4 +++-
 rebar.config                                  |  1 +
 4 files changed, 27 insertions(+), 2 deletions(-)

diff --git a/apps/emqx_rule_engine/src/emqx_rule_engine.app.src b/apps/emqx_rule_engine/src/emqx_rule_engine.app.src
index 321d4a8b0..ccd436d86 100644
--- a/apps/emqx_rule_engine/src/emqx_rule_engine.app.src
+++ b/apps/emqx_rule_engine/src/emqx_rule_engine.app.src
@@ -5,7 +5,7 @@
     {vsn, "5.0.20"},
     {modules, []},
     {registered, [emqx_rule_engine_sup, emqx_rule_engine]},
-    {applications, [kernel, stdlib, rulesql, getopt, emqx_ctl]},
+    {applications, [kernel, stdlib, rulesql, getopt, emqx_ctl, uuid]},
     {mod, {emqx_rule_engine_app, []}},
     {env, []},
     {licenses, ["Apache-2.0"]},
diff --git a/apps/emqx_rule_engine/src/emqx_rule_funcs.erl b/apps/emqx_rule_engine/src/emqx_rule_funcs.erl
index de9bf0485..954c8fa88 100644
--- a/apps/emqx_rule_engine/src/emqx_rule_funcs.erl
+++ b/apps/emqx_rule_engine/src/emqx_rule_funcs.erl
@@ -242,6 +242,13 @@
     mongo_date/2
 ]).
 
+%% Random Funcs
+-export([
+    random/0,
+    uuid_v4/0,
+    uuid_v4_no_hyphen/0
+]).
+
 %% Proc Dict Func
 -export([
     proc_dict_get/1,
@@ -1021,6 +1028,18 @@ term_encode(Term) ->
 term_decode(Data) when is_binary(Data) ->
     erlang:binary_to_term(Data).
 
+%%------------------------------------------------------------------------------
+%% Random Funcs
+%%------------------------------------------------------------------------------
+random() ->
+    rand:uniform().
+
+uuid_v4() ->
+    uuid_str(uuid:get_v4(), binary_standard).
+
+uuid_v4_no_hyphen() ->
+    uuid_str(uuid:get_v4(), binary_nodash).
+
 %%------------------------------------------------------------------------------
 %% Dict Funcs
 %%------------------------------------------------------------------------------
@@ -1186,3 +1205,6 @@ convert_timestamp(MillisecondsTimestamp) ->
     Secs = MicroTimestamp div 1000_000 - MegaSecs * 1000_000,
     MicroSecs = MicroTimestamp rem 1000_000,
     {MegaSecs, Secs, MicroSecs}.
+
+uuid_str(UUID, DisplyOpt) ->
+    uuid:uuid_to_string(UUID, DisplyOpt).
diff --git a/mix.exs b/mix.exs
index 9de0ad494..32ce4dab1 100644
--- a/mix.exs
+++ b/mix.exs
@@ -97,7 +97,9 @@ defmodule EMQXUmbrella.MixProject do
       {:gpb, "4.19.7", override: true, runtime: false},
       {:hackney, github: "emqx/hackney", tag: "1.18.1-1", override: true},
       # set by hackney (dependency)
-      {:ssl_verify_fun, "1.1.6", override: true}
+      {:ssl_verify_fun, "1.1.6", override: true},
+      {:uuid, github: "okeuday/uuid", tag: "v2.0.6", override: true},
+      {:quickrand, github: "okeuday/quickrand", tag: "v2.0.6", override: true}
     ] ++
       emqx_apps(profile_info, version) ++
       enterprise_deps(profile_info) ++ bcrypt_dep() ++ jq_dep() ++ quicer_dep()
diff --git a/rebar.config b/rebar.config
index c6320c519..4dc97e501 100644
--- a/rebar.config
+++ b/rebar.config
@@ -83,6 +83,7 @@
     , {hackney, {git, "https://github.com/emqx/hackney.git", {tag, "1.18.1-1"}}}
     %% in conflict by erlavro and rocketmq
     , {jsone, {git, "https://github.com/emqx/jsone.git", {tag, "1.7.1"}}}
+    , {uuid, {git, "https://github.com/okeuday/uuid.git", {tag, "v2.0.6"}}}
     ]}.
 
 {xref_ignores,