[feature] Add domain permission drafts and excludes (#3547)

* [feature] Add domain permission drafts and excludes

* fix typescript complaining

* lint

* make filenames more consistent

* test own domain excluded

internal/processing/admin/domainpermissionexclude.go

@@ -0,0 +1,159 @@
+// 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 admin
+
+import (
+	"context"
+	"errors"
+	"fmt"
+	"net/url"
+
+	apimodel "github.com/superseriousbusiness/gotosocial/internal/api/model"
+	apiutil "github.com/superseriousbusiness/gotosocial/internal/api/util"
+	"github.com/superseriousbusiness/gotosocial/internal/db"
+	"github.com/superseriousbusiness/gotosocial/internal/gtserror"
+	"github.com/superseriousbusiness/gotosocial/internal/gtsmodel"
+	"github.com/superseriousbusiness/gotosocial/internal/id"
+	"github.com/superseriousbusiness/gotosocial/internal/paging"
+)
+
+func (p *Processor) DomainPermissionExcludeCreate(
+	ctx context.Context,
+	acct *gtsmodel.Account,
+	domain string,
+	privateComment string,
+) (*apimodel.DomainPermission, gtserror.WithCode) {
+	permExclude := &gtsmodel.DomainPermissionExclude{
+		ID:                 id.NewULID(),
+		Domain:             domain,
+		CreatedByAccountID: acct.ID,
+		CreatedByAccount:   acct,
+		PrivateComment:     privateComment,
+	}
+
+	if err := p.state.DB.PutDomainPermissionExclude(ctx, permExclude); err != nil {
+		if errors.Is(err, db.ErrAlreadyExists) {
+			const text = "a domain permission exclude already exists with this permission type and domain"
+			err := fmt.Errorf("%w: %s", err, text)
+			return nil, gtserror.NewErrorConflict(err, text)
+		}
+
+		// Real error.
+		err := gtserror.Newf("db error putting domain permission exclude: %w", err)
+		return nil, gtserror.NewErrorInternalError(err)
+	}
+
+	return p.apiDomainPerm(ctx, permExclude, false)
+}
+
+// DomainPermissionExcludeGet returns one
+// domain permission exclude with the given id.
+func (p *Processor) DomainPermissionExcludeGet(
+	ctx context.Context,
+	id string,
+) (*apimodel.DomainPermission, gtserror.WithCode) {
+	permExclude, err := p.state.DB.GetDomainPermissionExcludeByID(ctx, id)
+	if err != nil && !errors.Is(err, db.ErrNoEntries) {
+		err := gtserror.Newf("db error getting domain permission exclude %s: %w", id, err)
+		return nil, gtserror.NewErrorInternalError(err)
+	}
+
+	if permExclude == nil {
+		err := fmt.Errorf("domain permission exclude %s not found", id)
+		return nil, gtserror.NewErrorNotFound(err, err.Error())
+	}
+
+	return p.apiDomainPerm(ctx, permExclude, false)
+}
+
+// DomainPermissionExcludesGet returns a page of
+// DomainPermissionExcludes with the given parameters.
+func (p *Processor) DomainPermissionExcludesGet(
+	ctx context.Context,
+	domain string,
+	page *paging.Page,
+) (*apimodel.PageableResponse, gtserror.WithCode) {
+	permExcludes, err := p.state.DB.GetDomainPermissionExcludes(
+		ctx,
+		domain,
+		page,
+	)
+	if err != nil && !errors.Is(err, db.ErrNoEntries) {
+		err := gtserror.Newf("db error: %w", err)
+		return nil, gtserror.NewErrorInternalError(err)
+	}
+
+	count := len(permExcludes)
+	if count == 0 {
+		return paging.EmptyResponse(), nil
+	}
+
+	// Get the lowest and highest
+	// ID values, used for paging.
+	lo := permExcludes[count-1].ID
+	hi := permExcludes[0].ID
+
+	// Convert each perm exclude to API model.
+	items := make([]any, len(permExcludes))
+	for i, permExclude := range permExcludes {
+		apiPermExclude, err := p.apiDomainPerm(ctx, permExclude, false)
+		if err != nil {
+			return nil, gtserror.NewErrorInternalError(err)
+		}
+		items[i] = apiPermExclude
+	}
+
+	// Assemble next/prev page queries.
+	query := make(url.Values, 1)
+	if domain != "" {
+		query.Set(apiutil.DomainPermissionDomainKey, domain)
+	}
+
+	return paging.PackageResponse(paging.ResponseParams{
+		Items: items,
+		Path:  "/api/v1/admin/domain_permission_excludes",
+		Next:  page.Next(lo, hi),
+		Prev:  page.Prev(lo, hi),
+		Query: query,
+	}), nil
+}
+
+func (p *Processor) DomainPermissionExcludeRemove(
+	ctx context.Context,
+	acct *gtsmodel.Account,
+	id string,
+) (*apimodel.DomainPermission, gtserror.WithCode) {
+	permExclude, err := p.state.DB.GetDomainPermissionExcludeByID(ctx, id)
+	if err != nil && !errors.Is(err, db.ErrNoEntries) {
+		err := gtserror.Newf("db error getting domain permission exclude %s: %w", id, err)
+		return nil, gtserror.NewErrorInternalError(err)
+	}
+
+	if permExclude == nil {
+		err := fmt.Errorf("domain permission exclude %s not found", id)
+		return nil, gtserror.NewErrorNotFound(err, err.Error())
+	}
+
+	// Delete the permission exclude.
+	if err := p.state.DB.DeleteDomainPermissionExclude(ctx, permExclude.ID); err != nil {
+		err := gtserror.Newf("db error deleting domain permission exclude: %w", err)
+		return nil, gtserror.NewErrorInternalError(err)
+	}
+
+	return p.apiDomainPerm(ctx, permExclude, false)
+}