memos/store/storage.go
boojack ff8851fd9f
fix: golangci-lint version (#1381)
* chore: update interface declare

* chore: update args

* chore: update

* chore: update
2023-03-18 22:34:22 +08:00

287 lines
6.4 KiB
Go

package store
import (
"context"
"database/sql"
"encoding/json"
"fmt"
"strings"
"github.com/usememos/memos/api"
"github.com/usememos/memos/common"
)
type storageRaw struct {
ID int
Name string
Type api.StorageType
Config *api.StorageConfig
}
func (raw *storageRaw) toStorage() *api.Storage {
return &api.Storage{
ID: raw.ID,
Name: raw.Name,
Type: raw.Type,
Config: raw.Config,
}
}
func (s *Store) CreateStorage(ctx context.Context, create *api.StorageCreate) (*api.Storage, error) {
tx, err := s.db.BeginTx(ctx, nil)
if err != nil {
return nil, FormatError(err)
}
defer tx.Rollback()
storageRaw, err := createStorageRaw(ctx, tx, create)
if err != nil {
return nil, err
}
if err := tx.Commit(); err != nil {
return nil, FormatError(err)
}
return storageRaw.toStorage(), nil
}
func (s *Store) PatchStorage(ctx context.Context, patch *api.StoragePatch) (*api.Storage, error) {
tx, err := s.db.BeginTx(ctx, nil)
if err != nil {
return nil, FormatError(err)
}
defer tx.Rollback()
storageRaw, err := patchStorageRaw(ctx, tx, patch)
if err != nil {
return nil, err
}
if err := tx.Commit(); err != nil {
return nil, FormatError(err)
}
return storageRaw.toStorage(), nil
}
func (s *Store) FindStorageList(ctx context.Context, find *api.StorageFind) ([]*api.Storage, error) {
tx, err := s.db.BeginTx(ctx, nil)
if err != nil {
return nil, FormatError(err)
}
defer tx.Rollback()
storageRawList, err := findStorageRawList(ctx, tx, find)
if err != nil {
return nil, err
}
list := []*api.Storage{}
for _, raw := range storageRawList {
list = append(list, raw.toStorage())
}
return list, nil
}
func (s *Store) FindStorage(ctx context.Context, find *api.StorageFind) (*api.Storage, error) {
tx, err := s.db.BeginTx(ctx, nil)
if err != nil {
return nil, FormatError(err)
}
defer tx.Rollback()
list, err := findStorageRawList(ctx, tx, find)
if err != nil {
return nil, err
}
if len(list) == 0 {
return nil, &common.Error{Code: common.NotFound, Err: fmt.Errorf("not found")}
}
storageRaw := list[0]
return storageRaw.toStorage(), nil
}
func (s *Store) DeleteStorage(ctx context.Context, delete *api.StorageDelete) error {
tx, err := s.db.BeginTx(ctx, nil)
if err != nil {
return FormatError(err)
}
defer tx.Rollback()
if err := deleteStorage(ctx, tx, delete); err != nil {
return FormatError(err)
}
if err := tx.Commit(); err != nil {
return FormatError(err)
}
return nil
}
func createStorageRaw(ctx context.Context, tx *sql.Tx, create *api.StorageCreate) (*storageRaw, error) {
set := []string{"name", "type", "config"}
args := []any{create.Name, create.Type}
placeholder := []string{"?", "?", "?"}
var configBytes []byte
var err error
if create.Type == api.StorageS3 {
configBytes, err = json.Marshal(create.Config.S3Config)
if err != nil {
return nil, err
}
} else {
return nil, fmt.Errorf("unsupported storage type %s", string(create.Type))
}
args = append(args, string(configBytes))
query := `
INSERT INTO storage (
` + strings.Join(set, ", ") + `
)
VALUES (` + strings.Join(placeholder, ",") + `)
RETURNING id
`
storageRaw := storageRaw{
Name: create.Name,
Type: create.Type,
Config: create.Config,
}
if err := tx.QueryRowContext(ctx, query, args...).Scan(
&storageRaw.ID,
); err != nil {
return nil, FormatError(err)
}
return &storageRaw, nil
}
func patchStorageRaw(ctx context.Context, tx *sql.Tx, patch *api.StoragePatch) (*storageRaw, error) {
set, args := []string{}, []any{}
if v := patch.Name; v != nil {
set, args = append(set, "name = ?"), append(args, *v)
}
if v := patch.Config; v != nil {
var configBytes []byte
var err error
if patch.Type == api.StorageS3 {
configBytes, err = json.Marshal(patch.Config.S3Config)
if err != nil {
return nil, err
}
} else {
return nil, fmt.Errorf("unsupported storage type %s", string(patch.Type))
}
set, args = append(set, "config = ?"), append(args, string(configBytes))
}
args = append(args, patch.ID)
query := `
UPDATE storage
SET ` + strings.Join(set, ", ") + `
WHERE id = ?
RETURNING id, name, type, config
`
var storageRaw storageRaw
var storageConfig string
if err := tx.QueryRowContext(ctx, query, args...).Scan(
&storageRaw.ID,
&storageRaw.Name,
&storageRaw.Type,
&storageConfig,
); err != nil {
return nil, FormatError(err)
}
if storageRaw.Type == api.StorageS3 {
s3Config := &api.StorageS3Config{}
if err := json.Unmarshal([]byte(storageConfig), s3Config); err != nil {
return nil, err
}
storageRaw.Config = &api.StorageConfig{
S3Config: s3Config,
}
} else {
return nil, fmt.Errorf("unsupported storage type %s", string(storageRaw.Type))
}
return &storageRaw, nil
}
func findStorageRawList(ctx context.Context, tx *sql.Tx, find *api.StorageFind) ([]*storageRaw, error) {
where, args := []string{"1 = 1"}, []any{}
if v := find.ID; v != nil {
where, args = append(where, "id = ?"), append(args, *v)
}
query := `
SELECT
id,
name,
type,
config
FROM storage
WHERE ` + strings.Join(where, " AND ") + `
ORDER BY id DESC
`
rows, err := tx.QueryContext(ctx, query, args...)
if err != nil {
return nil, FormatError(err)
}
defer rows.Close()
storageRawList := make([]*storageRaw, 0)
for rows.Next() {
var storageRaw storageRaw
var storageConfig string
if err := rows.Scan(
&storageRaw.ID,
&storageRaw.Name,
&storageRaw.Type,
&storageConfig,
); err != nil {
return nil, FormatError(err)
}
if storageRaw.Type == api.StorageS3 {
s3Config := &api.StorageS3Config{}
if err := json.Unmarshal([]byte(storageConfig), s3Config); err != nil {
return nil, err
}
storageRaw.Config = &api.StorageConfig{
S3Config: s3Config,
}
} else {
return nil, fmt.Errorf("unsupported storage type %s", string(storageRaw.Type))
}
storageRawList = append(storageRawList, &storageRaw)
}
if err := rows.Err(); err != nil {
return nil, FormatError(err)
}
return storageRawList, nil
}
func deleteStorage(ctx context.Context, tx *sql.Tx, delete *api.StorageDelete) error {
where, args := []string{"id = ?"}, []any{delete.ID}
stmt := `DELETE FROM storage WHERE ` + strings.Join(where, " AND ")
result, err := tx.ExecContext(ctx, stmt, args...)
if err != nil {
return FormatError(err)
}
rows, _ := result.RowsAffected()
if rows == 0 {
return &common.Error{Code: common.NotFound, Err: fmt.Errorf("storage not found")}
}
return nil
}