[chore] Deinterface processor and subprocessors (#1501)

* [chore] Deinterface processor and subprocessors

* expose subprocessors via function calls

* missing license header

internal/processing/account/bookmarks.go

@@ -0,0 +1,88 @@
+/*
+   GoToSocial
+   Copyright (C) 2021-2023 GoToSocial Authors admin@gotosocial.org
+
+   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 account
+
+import (
+	"context"
+	"fmt"
+
+	apimodel "github.com/superseriousbusiness/gotosocial/internal/api/model"
+	"github.com/superseriousbusiness/gotosocial/internal/gtserror"
+	"github.com/superseriousbusiness/gotosocial/internal/gtsmodel"
+	"github.com/superseriousbusiness/gotosocial/internal/util"
+)
+
+func (p *Processor) BookmarksGet(ctx context.Context, requestingAccount *gtsmodel.Account, limit int, maxID string, minID string) (*apimodel.PageableResponse, gtserror.WithCode) {
+	if requestingAccount == nil {
+		return nil, gtserror.NewErrorForbidden(fmt.Errorf("cannot retrieve bookmarks without a requesting account"))
+	}
+
+	bookmarks, err := p.db.GetBookmarks(ctx, requestingAccount.ID, limit, maxID, minID)
+	if err != nil {
+		return nil, gtserror.NewErrorInternalError(err)
+	}
+
+	count := len(bookmarks)
+	filtered := make([]*gtsmodel.Status, 0, len(bookmarks))
+	nextMaxIDValue := ""
+	prevMinIDValue := ""
+	for i, b := range bookmarks {
+		s, err := p.db.GetStatusByID(ctx, b.StatusID)
+		if err != nil {
+			return nil, gtserror.NewErrorInternalError(err)
+		}
+
+		visible, err := p.filter.StatusVisible(ctx, s, requestingAccount)
+		if err == nil && visible {
+			if i == count-1 {
+				nextMaxIDValue = b.ID
+			}
+
+			if i == 0 {
+				prevMinIDValue = b.ID
+			}
+
+			filtered = append(filtered, s)
+		}
+	}
+
+	count = len(filtered)
+
+	if count == 0 {
+		return util.EmptyPageableResponse(), nil
+	}
+
+	items := []interface{}{}
+	for _, s := range filtered {
+		item, err := p.tc.StatusToAPIStatus(ctx, s, requestingAccount)
+		if err != nil {
+			return nil, gtserror.NewErrorInternalError(fmt.Errorf("error converting status to api: %s", err))
+		}
+		items = append(items, item)
+	}
+
+	return util.PackagePageableResponse(util.PageableResponseParams{
+		Items:            items,
+		Path:             "/api/v1/bookmarks",
+		NextMaxIDValue:   nextMaxIDValue,
+		PrevMinIDValue:   prevMinIDValue,
+		Limit:            limit,
+		ExtraQueryParams: []string{},
+	})
+}