Raise error if version fails (#3792)

* add comment where feature should be

* add triggermethod for superusers

* Add plugin version warning

* switch to simple error logging

* switch import mechanism

* move import down

* reintroduce db notifications

* adding mising import

* add db entry

* Only log to DB if plugin was regsitered

* fix merge

* remove db logging

InvenTree/common/notifications.py

@@ -12,7 +12,7 @@ import InvenTree.helpers
 from common.models import NotificationEntry, NotificationMessage
 from InvenTree.ready import isImportingData
 from plugin import registry
-from plugin.models import NotificationUserSetting
+from plugin.models import NotificationUserSetting, PluginConfig
 from users.models import Owner
 
 logger = logging.getLogger('inventree')
@@ -397,6 +397,28 @@ def trigger_notification(obj, category=None, obj_ref='pk', **kwargs):
         logger.info(f"No possible users for notification '{category}'")
 
 
+def trigger_superuser_notification(plugin: PluginConfig, msg: str):
+    """Trigger a notification to all superusers.
+
+    Args:
+        plugin (PluginConfig): Plugin that is raising the notification
+        msg (str): Detailed message that should be attached
+    """
+    users = get_user_model().objects.filter(is_superuser=True)
+
+    trigger_notification(
+        plugin,
+        'inventree.plugin',
+        context={
+            'error': plugin,
+            'name': _('Error raised by plugin'),
+            'message': msg,
+        },
+        targets=users,
+        delivery_methods=set([UIMessageNotification]),
+    )
+
+
 def deliver_notification(cls: NotificationMethod, obj, category: str, targets, context: dict):
     """Send notification with the provided class.
 

InvenTree/plugin/registry.py

@@ -19,6 +19,7 @@ from django.contrib import admin
 from django.db.utils import IntegrityError, OperationalError, ProgrammingError
 from django.urls import clear_url_caches, include, re_path
 from django.utils.text import slugify
+from django.utils.translation import gettext_lazy as _
 
 from maintenance_mode.core import (get_maintenance_mode, maintenance_mode_on,
                                    set_maintenance_mode)
@@ -364,6 +365,8 @@ class PluginsRegistry:
         Raises:
             error: IntegrationPluginError
         """
+        # Imports need to be in this level to prevent early db model imports
+        from InvenTree import version
         from plugin.models import PluginConfig
 
         def safe_reference(plugin, key: str, active: bool = True):
@@ -387,7 +390,7 @@ class PluginsRegistry:
             plg_key = slugify(plg.SLUG if getattr(plg, 'SLUG', None) else plg_name)  # keys are slugs!
 
             try:
-                plg_db, _ = PluginConfig.objects.get_or_create(key=plg_key, name=plg_name)
+                plg_db, _created = PluginConfig.objects.get_or_create(key=plg_key, name=plg_name)
             except (OperationalError, ProgrammingError) as error:
                 # Exception if the database has not been migrated yet - check if test are running - raise if not
                 if not settings.PLUGIN_TESTING:
@@ -421,7 +424,16 @@ class PluginsRegistry:
 
                 # Run version check for plugin
                 if (plg_i.MIN_VERSION or plg_i.MAX_VERSION) and not plg_i.check_version():
+                    # Disable plugin
                     safe_reference(plugin=plg_i, key=plg_key, active=False)
+
+                    _msg = _(f'Plugin `{plg_name}` is not compatible with the current InvenTree version {version.inventreeVersion()}!')
+                    if plg_i.MIN_VERSION:
+                        _msg += _(f'Plugin requires at least version {plg_i.MIN_VERSION}')
+                    if plg_i.MAX_VERSION:
+                        _msg += _(f'Plugin requires at most version {plg_i.MAX_VERSION}')
+                    # Log to error stack
+                    log_error(_msg, reference='init')
                 else:
                     safe_reference(plugin=plg_i, key=plg_key)
             else:  # pragma: no cover
@@ -482,7 +494,7 @@ class PluginsRegistry:
 
         if settings.PLUGIN_TESTING or InvenTreeSetting.get_setting('ENABLE_PLUGINS_SCHEDULE'):
 
-            for _, plugin in plugins:
+            for _key, plugin in plugins:
 
                 if plugin.mixin_enabled('schedule'):
                     config = plugin.plugin_config()
@@ -537,7 +549,7 @@ class PluginsRegistry:
             apps_changed = False
 
             # add them to the INSTALLED_APPS
-            for _, plugin in plugins:
+            for _key, plugin in plugins:
                 if plugin.mixin_enabled('app'):
                     plugin_path = self._get_plugin_path(plugin)
                     if plugin_path not in settings.INSTALLED_APPS: