Notification settings defaults and validation (#361)

* Re #360 - Validate that when a notification URL is set, we have also a notification body and title, new install should have notification title/body defaults set.

changedetectionio/forms.py

@@ -130,6 +130,21 @@ class ValidateContentFetcherIsReady(object):
                 raise ValidationError(message % (field.data, e))
 
 
+class ValidateNotificationBodyAndTitleWhenURLisSet(object):
+    """
+       Validates that they entered something in both notification title+body when the URL is set
+       Due to https://github.com/dgtlmoon/changedetection.io/issues/360
+       """
+
+    def __init__(self, message=None):
+        self.message = message
+
+    def __call__(self, form, field):
+        if len(field.data):
+            if not len(form.notification_title.data) or not len(form.notification_body.data):
+                message = field.gettext('Notification Body and Title is required when a Notification URL is used')
+                raise ValidationError(message)
+
 class ValidateAppRiseServers(object):
     """
        Validates that each URL given is compatible with AppRise
@@ -234,7 +249,7 @@ class quickWatchForm(Form):
 
 class commonSettingsForm(Form):
 
-    notification_urls = StringListField('Notification URL List', validators=[validators.Optional(), ValidateAppRiseServers()])
+    notification_urls = StringListField('Notification URL List', validators=[validators.Optional(), ValidateNotificationBodyAndTitleWhenURLisSet(), ValidateAppRiseServers()])
     notification_title = StringField('Notification Title', default=default_notification_title, validators=[validators.Optional(), ValidateTokensList()])
     notification_body = TextAreaField('Notification Body', default=default_notification_body, validators=[validators.Optional(), ValidateTokensList()])
     notification_format = SelectField('Notification Format', choices=valid_notification_formats.keys(), default=default_notification_format)

changedetectionio/store.py

@@ -49,9 +49,9 @@ class ChangeDetectionStore:
                     'ignore_whitespace': False,
                     'notification_urls': [], # Apprise URL list
                     # Custom notification content
-                    'notification_title': None,
-                    'notification_body': None,
-                    'notification_format': None
+                    'notification_title': default_notification_title,
+                    'notification_body': default_notification_body,
+                    'notification_format': default_notification_format,
                 }
             }
         }
@@ -78,9 +78,9 @@ class ChangeDetectionStore:
             'ignore_text': [], # List of text to ignore when calculating the comparison checksum
             # Custom notification content
             'notification_urls': [], # List of URLs to add to the notification Queue (Usually AppRise)
-            'notification_title': None,
-            'notification_body': None,
-            'notification_format': None,
+            'notification_title': default_notification_title,
+            'notification_body': default_notification_body,
+            'notification_format': default_notification_format,
             'css_filter': "",
             'trigger_text': [],  # List of text or regex to wait for until a change is detected
             'fetch_backend': None,

changedetectionio/templates/edit.html

@@ -77,7 +77,7 @@ User-Agent: wonderbra 1.0") }}
             </div>
 
             <div class="tab-pane-inner" id="notifications">
-                <strong>Note: <i>These settings override the global settings.</i></strong>
+                <strong>Note: <i>These settings override the global settings for this watch.</i></strong>
                 <fieldset>
                     <div class="field-group">
                         {{ render_common_settings_form(form, current_base_url) }}

changedetectionio/tests/test_notification.py

@@ -4,6 +4,7 @@ import re
 from flask import url_for
 from . util import set_original_response, set_modified_response, live_server_setup
 import logging
+from changedetectionio.notification import default_notification_body, default_notification_title
 
 # Hard to just add more live server URLs when one test is already running (I think)
 # So we add our test here (was in a different file)
@@ -15,6 +16,11 @@ def test_check_notification(client, live_server):
     # Give the endpoint time to spin up
     time.sleep(3)
 
+    # Re 360 - new install should have defaults set
+    res = client.get(url_for("settings_page"))
+    assert default_notification_body.encode() in res.data
+    assert default_notification_title.encode() in res.data
+
     # When test mode is in BASE_URL env mode, we should see this already configured
     env_base_url = os.getenv('BASE_URL', '').strip()
     if len(env_base_url):
@@ -201,3 +207,21 @@ def test_check_notification(client, live_server):
     )
 
     assert bytes("is not a valid token".encode('utf-8')) in res.data
+
+    # Re #360 some validation
+    res = client.post(
+        url_for("edit_page", uuid="first"),
+        data={"notification_urls": notification_url,
+              "notification_title": "",
+              "notification_body": "",
+              "notification_format": "Text",
+              "url": test_url,
+              "tag": "my tag",
+              "title": "my title",
+              "headers": "",
+              "fetch_backend": "html_requests",
+              "trigger_check": "y"},
+        follow_redirects=True
+    )
+    assert b"Notification Body and Title is required when a Notification URL is used" in res.data
+