Saved filters (#655)

Fix updating saved filters

Fix filter not loadable because of missing param declaration

Add fancy special cases for postgres exists in db

Add special case for postgrs json

Add read one test

Add rights tests

Fix lint

Fixed getting a single saved filter from db

Add tests for the usual crud methods

Add test stubs and TODOs

Add test for converting saved filter ids to list ids and vice versa

Add test fixture for saved filters and fix existing tests

Fix exposed json variables of filters

Fix creating saved filters table for tests

Add getting saved filters as pseudo namespace

Cleanup

Refactor getting all namespaces to use a map for easier handling of pseudo namespaces

Add custom erros for saved filters

Swagger docs

Fix lint

Add routes for saved filters

Add alias for mage build

Add method to get a saved filter from the lists endpoint

Add getting tasks from a saved filter

Add create, update, delete, read one methods

Add rights methods for saved filters

Fix docs minLength

Add saved filters column

Co-authored-by: kolaente <k@knt.li>
Reviewed-on: https://kolaente.dev/vikunja/api/pulls/655
Co-Authored-By: konrad <konrad@kola-entertainments.de>
Co-Committed-By: konrad <konrad@kola-entertainments.de>

pkg/models/error.go

@@ -1363,3 +1363,62 @@ func (err ErrBucketLimitExceeded) HTTPError() web.HTTPError {
 		Message:  "You cannot add the task to this bucket as it already exceeded the limit of tasks it can hold.",
 	}
 }
+
+// =============
+// Saved Filters
+// =============
+
+// ErrSavedFilterDoesNotExist represents an error where a kanban bucket does not exist
+type ErrSavedFilterDoesNotExist struct {
+	SavedFilterID int64
+}
+
+// IsErrSavedFilterDoesNotExist checks if an error is ErrSavedFilterDoesNotExist.
+func IsErrSavedFilterDoesNotExist(err error) bool {
+	_, ok := err.(ErrSavedFilterDoesNotExist)
+	return ok
+}
+
+func (err ErrSavedFilterDoesNotExist) Error() string {
+	return fmt.Sprintf("Saved filter does not exist [SavedFilterID: %d]", err.SavedFilterID)
+}
+
+// ErrCodeSavedFilterDoesNotExist holds the unique world-error code of this error
+const ErrCodeSavedFilterDoesNotExist = 11001
+
+// HTTPError holds the http error description
+func (err ErrSavedFilterDoesNotExist) HTTPError() web.HTTPError {
+	return web.HTTPError{
+		HTTPCode: http.StatusNotFound,
+		Code:     ErrCodeSavedFilterDoesNotExist,
+		Message:  "This saved filter does not exist.",
+	}
+}
+
+// ErrSavedFilterNotAvailableForLinkShare represents an error where a kanban bucket does not exist
+type ErrSavedFilterNotAvailableForLinkShare struct {
+	SavedFilterID int64
+	LinkShareID   int64
+}
+
+// IsErrSavedFilterNotAvailableForLinkShare checks if an error is ErrSavedFilterNotAvailableForLinkShare.
+func IsErrSavedFilterNotAvailableForLinkShare(err error) bool {
+	_, ok := err.(ErrSavedFilterNotAvailableForLinkShare)
+	return ok
+}
+
+func (err ErrSavedFilterNotAvailableForLinkShare) Error() string {
+	return fmt.Sprintf("Saved filters are not available for link shares [SavedFilterID: %d, LinkShareID: %d]", err.SavedFilterID, err.LinkShareID)
+}
+
+// ErrCodeSavedFilterNotAvailableForLinkShare holds the unique world-error code of this error
+const ErrCodeSavedFilterNotAvailableForLinkShare = 11002
+
+// HTTPError holds the http error description
+func (err ErrSavedFilterNotAvailableForLinkShare) HTTPError() web.HTTPError {
+	return web.HTTPError{
+		HTTPCode: http.StatusPreconditionFailed,
+		Code:     ErrCodeSavedFilterNotAvailableForLinkShare,
+		Message:  "Saved filters are not available for link shares.",
+	}
+}