Add error_message field to Url model

Author: timobrembeck

CHANGELOG

@@ -9,6 +9,7 @@ Unreleased
   * `redirect_status_code`: The HTTP status code of the final request
   * `anchor_status`: The validity of the HTML hash anchor
   * `ssl_status` The validity of the SSL certificate
+  * `error_message` The error message if the request failed
 * Add new properties to `Url` model:
   * `anchor_message`: The human-readable meaning of the `anchor_status`
   * `ssl_message` The human-readable meaning of the `ssl_status`

linkcheck/migrations/0010_url_add_error_message.py

@@ -0,0 +1,16 @@
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('linkcheck', '0009_url_add_ssl_status'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='url',
+            name='error_message',
+            field=models.CharField(blank=True, default='', max_length=1024),
+        ),
+    ]

linkcheck/models.py

@@ -76,6 +76,7 @@ class Url(models.Model):
     status_code = models.IntegerField(choices=STATUS_CODE_CHOICES, null=True)
     redirect_status_code = models.IntegerField(choices=STATUS_CODE_CHOICES, null=True)
     message = models.CharField(max_length=1024, blank=True, null=True)
+    error_message = models.CharField(max_length=1024, default='', blank=True)
     redirect_to = models.TextField(blank=True)
 
     @property
@@ -239,6 +240,8 @@ def reset_for_check(self):
         self.status_code = None
         self.redirect_status_code = None
         self.ssl_status = None
+        self.error_message = ''
+        self.message = ''
 
     def check_url(self, check_internal=True, check_external=True, external_recheck_interval=EXTERNAL_RECHECK_INTERVAL):
         """
@@ -398,14 +401,16 @@ def check_external(self, external_recheck_interval=EXTERNAL_RECHECK_INTERVAL):
         except ReadTimeout:
             self.status = False
             self.message = 'Other Error: The read operation timed out'
+            self.error_message = 'The read operation timed out'
         except ConnectionError as e:
             self.status = False
-            self.message = format_connection_error(e)
+            self.message = self.error_message = format_connection_error(e)
             if 'SSLError' in str(e):
                 self.ssl_status = False
         except Exception as e:
             self.status = False
             self.message = f'Other Error: {e}'
+            self.error_message = str(e)
         else:
             self.status = response.status_code < 300
             self.message = f"{response.status_code} {response.reason}"