mirror of
https://github.com/superseriousbusiness/gotosocial.git
synced 2024-06-22 23:20:33 +00:00
87 lines
2.3 KiB
Go
87 lines
2.3 KiB
Go
/*
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GoToSocial
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Copyright (C) 2021-2022 GoToSocial Authors admin@gotosocial.org
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU Affero General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Affero General Public License for more details.
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You should have received a copy of the GNU Affero General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package media
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import (
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"context"
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"errors"
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"fmt"
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"runtime"
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"strings"
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"codeberg.org/gruf/go-store/kv"
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"github.com/superseriousbusiness/gotosocial/internal/db"
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)
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// Manager provides an interface for managing media: parsing, storing, and retrieving media objects like photos, videos, and gifs.
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type Manager interface {
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ProcessMedia(ctx context.Context, data []byte, accountID string) (*Media, error)
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}
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type manager struct {
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db db.DB
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storage *kv.KVStore
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pool *workerPool
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}
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// New returns a media manager with the given db and underlying storage.
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func New(database db.DB, storage *kv.KVStore) Manager {
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workers := runtime.NumCPU() / 2
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return &manager{
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db: database,
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storage: storage,
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pool: newWorkerPool(workers),
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}
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}
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/*
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INTERFACE FUNCTIONS
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*/
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func (m *manager) ProcessMedia(ctx context.Context, data []byte, accountID string) (*Media, error) {
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contentType, err := parseContentType(data)
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if err != nil {
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return nil, err
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}
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split := strings.Split(contentType, "/")
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if len(split) != 2 {
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return nil, fmt.Errorf("content type %s malformed", contentType)
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}
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mainType := split[0]
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switch mainType {
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case mimeImage:
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if !supportedImage(contentType) {
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return nil, fmt.Errorf("image type %s not supported", contentType)
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}
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if len(data) == 0 {
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return nil, errors.New("image was of size 0")
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}
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return m.pool.run(func(ctx context.Context, data []byte, contentType string, accountID string) {
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m.processImage(ctx, data, contentType, accountID)
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})
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default:
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return nil, fmt.Errorf("content type %s not (yet) supported", contentType)
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}
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}
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