[chore/bugfix] Domain block tidying up, Implement first pass of 207 Multi-Status (#1886)

* [chore/refactor] update domain block processing

* expose domain block import errors a lil better

* move/remove unused query keys

internal/api/model/multistatus.go

@@ -0,0 +1,90 @@
+// GoToSocial
+// Copyright (C) GoToSocial Authors admin@gotosocial.org
+// SPDX-License-Identifier: AGPL-3.0-or-later
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Affero General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Affero General Public License for more details.
+//
+// You should have received a copy of the GNU Affero General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+package model
+
+// MultiStatus models a multistatus HTTP response body.
+// This model should be transmitted along with http code
+// 207 MULTI-STATUS to indicate a mixture of responses.
+// See https://developer.mozilla.org/en-US/docs/Web/HTTP/Status/207
+//
+// swagger:model multiStatus
+type MultiStatus struct {
+	Data     []MultiStatusEntry  `json:"data"`
+	Metadata MultiStatusMetadata `json:"metadata"`
+}
+
+// MultiStatusEntry models one entry in multistatus data.
+// It can model either a success or a failure. The type
+// and value of `Resource` is left to the discretion of
+// the caller, but at minimum it should be expected to be
+// JSON-serializable.
+//
+// swagger:model multiStatusEntry
+type MultiStatusEntry struct {
+	// The resource/result for this entry.
+	// Value may be any type, check the docs
+	// per endpoint to see which to expect.
+	Resource any `json:"resource"`
+	// Message/error message for this entry.
+	Message string `json:"message"`
+	// HTTP status code of this entry.
+	Status int `json:"status"`
+}
+
+// MultiStatusMetadata models an at-a-glance summary of
+// the data contained in the MultiStatus.
+//
+// swagger:model multiStatusMetadata
+type MultiStatusMetadata struct {
+	// Success count + failure count.
+	Total int `json:"total"`
+	// Count of successful results (2xx).
+	Success int `json:"success"`
+	// Count of unsuccessful results (!2xx).
+	Failure int `json:"failure"`
+}
+
+// NewMultiStatus returns a new MultiStatus API model with
+// the provided entries, which will be iterated through to
+// look for 2xx and non 2xx status codes, in order to count
+// successes and failures.
+func NewMultiStatus(entries []MultiStatusEntry) *MultiStatus {
+	var (
+		successCount int
+		failureCount int
+		total        = len(entries)
+	)
+
+	for _, e := range entries {
+		// Outside 2xx range = failure.
+		if e.Status > 299 || e.Status < 200 {
+			failureCount++
+		} else {
+			successCount++
+		}
+	}
+
+	return &MultiStatus{
+		Data: entries,
+		Metadata: MultiStatusMetadata{
+			Total:   total,
+			Success: successCount,
+			Failure: failureCount,
+		},
+	}
+}