Add a filter to exclude applications

Fixes: #1092
Signed-off-by: Aurélien Bompard <[email protected]>

changelog.d/1092.added

@@ -0,0 +1 @@
+Add a filter to exclude applications

fmn/api/api_models.py

@@ -68,6 +68,7 @@ def address_format(cls, v, info: FieldValidationInfo):
 
 class Filters(BaseModel):
     applications: list[str] = []
+    excluded_applications: list[str] = []
     severities: list[str] = []
     topic: str | None = None
     my_actions: bool = False

fmn/rules/filter.py

@@ -35,6 +35,15 @@ def matches(self, message):
         return message.app_name.lower() in self.params
 
 
+class ExcludedApplications(Applications):
+    name = "excluded_applications"
+
+    def matches(self, message):
+        if not self.params:
+            return True
+        return message.app_name.lower() not in self.params
+
+
 class Severities(Filter):
     name = "severities"
     default = (message.INFO, message.WARNING, message.ERROR)