From a860c060d5471f10201123d7340c5ffd99b9e8f0 Mon Sep 17 00:00:00 2001
From: appsu-mi <natubate870@gmail.com>
Date: Fri, 22 May 2026 11:52:34 +0900
Subject: [PATCH 1/2] =?UTF-8?q?=E3=82=B9=E3=83=86=E3=83=BC=E3=82=B8?=
 =?UTF-8?q?=E3=83=B3=E3=82=B0=E3=81=A7=E3=81=AE=E5=95=8F=E9=A1=8C=E5=88=87?=
 =?UTF-8?q?=E3=82=8A=E5=88=86=E3=81=91=E3=81=AE=E3=81=9F=E3=82=81=E6=80=AA?=
 =?UTF-8?q?=E3=81=97=E3=81=84=E3=81=A8=E3=81=93=E3=82=8D=E3=81=AB=E3=83=AD?=
 =?UTF-8?q?=E3=82=B0=E5=87=BA=E5=8A=9B=E3=82=92=E5=9F=8B=E3=82=81=E8=BE=BC?=
 =?UTF-8?q?=E3=82=80?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 app/models/link_checker/checker.rb |  3 ++-
 app/models/metadata.rb             | 12 ++++++++++--
 2 files changed, 12 insertions(+), 3 deletions(-)

diff --git a/app/models/link_checker/checker.rb b/app/models/link_checker/checker.rb
index 2737b9bbf21..f5b0a94e2e5 100644
--- a/app/models/link_checker/checker.rb
+++ b/app/models/link_checker/checker.rb
@@ -39,7 +39,8 @@ def valid_domain?(domain)
 
       Resolv.getaddress(domain)
       true
-    rescue Resolv::ResolvError
+    rescue Resolv::ResolvError => e
+      Rails.logger.info("[LinkChecker] #{e.class}: domain=#{domain}")
       false
     end
 
diff --git a/app/models/metadata.rb b/app/models/metadata.rb
index 53a9ef7fa37..ae3fc60ff65 100644
--- a/app/models/metadata.rb
+++ b/app/models/metadata.rb
@@ -15,14 +15,22 @@ def fetch
     http.response_body_encoding = true
 
     response = http.request_get(@uri.request_uri)
-    response.message == 'OK' ? parse(response.body) : nil
+    if response.message != 'OK'
+      Rails.logger.info("[Metadata] Response was not OK: status=#{response.code} url=#{@url}")
+      return
+    end
+
+    parse(response.body)
   end
 
   private
 
   def parse(html)
     object = OpenGraphReader.parse(html)
-    return unless object
+    unless object
+      Rails.logger.info("[Metadata] OpenGraphReader parse failed: url=#{@url}, title=#{Nokogiri::HTML(html).title}")
+      return
+    end
 
     {
       title: object.og.title,

From cfe4eae485ce27b652ac41b1b81ecf56758f3938 Mon Sep 17 00:00:00 2001
From: appsu-mi <natubate870@gmail.com>
Date: Fri, 22 May 2026 12:08:53 +0900
Subject: [PATCH 2/2] =?UTF-8?q?=E6=9C=AC=E7=95=AA=E7=92=B0=E5=A2=83?=
 =?UTF-8?q?=E3=81=AB=E6=BC=8F=E3=82=8C=E3=81=AA=E3=81=84=E3=82=88=E3=81=86?=
 =?UTF-8?q?=E3=81=AB=E3=81=99=E3=82=8B?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 app/models/link_checker/checker.rb | 2 +-
 app/models/metadata.rb             | 4 ++--
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/app/models/link_checker/checker.rb b/app/models/link_checker/checker.rb
index f5b0a94e2e5..4f8396c1741 100644
--- a/app/models/link_checker/checker.rb
+++ b/app/models/link_checker/checker.rb
@@ -40,7 +40,7 @@ def valid_domain?(domain)
       Resolv.getaddress(domain)
       true
     rescue Resolv::ResolvError => e
-      Rails.logger.info("[LinkChecker] #{e.class}: domain=#{domain}")
+      Rails.logger.info("[LinkChecker] #{e.class}: domain=#{domain}") unless Rails.env.production?
       false
     end
 
diff --git a/app/models/metadata.rb b/app/models/metadata.rb
index ae3fc60ff65..a713dfa23f8 100644
--- a/app/models/metadata.rb
+++ b/app/models/metadata.rb
@@ -16,7 +16,7 @@ def fetch
 
     response = http.request_get(@uri.request_uri)
     if response.message != 'OK'
-      Rails.logger.info("[Metadata] Response was not OK: status=#{response.code} url=#{@url}")
+      Rails.logger.info("[Metadata] Response was not OK: status=#{response.code} url=#{@url}") unless Rails.env.production?
       return
     end
 
@@ -28,7 +28,7 @@ def fetch
   def parse(html)
     object = OpenGraphReader.parse(html)
     unless object
-      Rails.logger.info("[Metadata] OpenGraphReader parse failed: url=#{@url}, title=#{Nokogiri::HTML(html).title}")
+      Rails.logger.info("[Metadata] OpenGraphReader parse failed: url=#{@url}, title=#{Nokogiri::HTML(html).title}") unless Rails.env.production?
       return
     end