From 65390e78d5d01d66feebfb9a38f21464e09c80ac Mon Sep 17 00:00:00 2001
From: sinanmohd <sinan@sinanmohd.com>
Date: Sun, 1 Oct 2023 07:51:23 +0530
Subject: util: init error logging

---
 lib/util.lua        | 10 ++++++++++
 server/subscene.lua | 16 ++++++++++++----
 tests.lua           |  5 +++--
 3 files changed, 25 insertions(+), 6 deletions(-)

diff --git a/lib/util.lua b/lib/util.lua
index 15221dd..a1de817 100644
--- a/lib/util.lua
+++ b/lib/util.lua
@@ -63,10 +63,20 @@ local string_rm_vid_ext = function (str)
 	return str
 end
 
+local error = function (str)
+	str = 'error: ' .. str
+	if mp then
+		mp.msg.warn(str)
+	else
+		print(str)
+	end
+end
+
 return {
 	table_merge = table_merge,
 	table_print = table_print,
 	table_match_or_any = table_match_or_any,
 	zip_ext_first = zip_ext_first,
 	string_rm_vid_ext = string_rm_vid_ext,
+	error = error,
 }
diff --git a/server/subscene.lua b/server/subscene.lua
index 70ec3c8..ccd4d9a 100644
--- a/server/subscene.lua
+++ b/server/subscene.lua
@@ -183,22 +183,30 @@ local search = function (key, out)
 	key = util.string_rm_vid_ext(key)
 	title, rc = title_search(key)
 	if not rc then
-		return nil
+		util.error('err: subscene: title_search')
+		return false
 	end
 
 	id = id_fetch(title)
 	id = util.table_match_or_any(id, key)
 	if not id then
-		return nil
+		util.error('subscene: table_match_or_any')
+		return false
 	end
 
 	link, rc = link_fetch(id)
 	if not rc then
-		return nil
+		util.error('subscene: link_fetch')
+		return false
 	end
 
 	rc = sub_fetch(link, out)
-	return rc
+	if not rc then
+		util.error('subscene: sub_fetch')
+		return false
+	end
+
+	return true
 end
 
 return {
diff --git a/tests.lua b/tests.lua
index d6ad81d..8033acb 100755
--- a/tests.lua
+++ b/tests.lua
@@ -1,6 +1,7 @@
 #!/usr/bin/env lua
 
 local subscene = require 'server/subscene'
+local util = require 'lib/util'
 
 local errs = 0
 
@@ -17,12 +18,12 @@ local test_subscene = function ()
     sha256 = 'fe88e2c1345a7daed82cb570952c13fae6a6867449f7dd5e719ea0a0c1e2e242'
 
     if not subscene.search(name, out) then
-        print('err: subscene: failed to fetch subtitles')
+        util.error('subscene: fetch failed')
         errs = errs + 1
     end
 
     if not file_hash_verify(out, sha256) then
-        print('err: subscene: subtitle hash mismatch')
+        util.error('subscene: hash mismatch')
         errs = errs + 1
     end
 
-- 
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