mirror of
https://github.com/usememos/memos.git
synced 2024-11-14 10:44:50 +08:00
373 lines
8.1 KiB
Go
373 lines
8.1 KiB
Go
package store
|
|
|
|
import (
|
|
"context"
|
|
"database/sql"
|
|
"fmt"
|
|
"sort"
|
|
"strings"
|
|
|
|
"github.com/usememos/memos/api"
|
|
"github.com/usememos/memos/common"
|
|
)
|
|
|
|
// resourceRaw is the store model for an Resource.
|
|
// Fields have exactly the same meanings as Resource.
|
|
type resourceRaw struct {
|
|
ID int
|
|
|
|
// Standard fields
|
|
CreatorID int
|
|
CreatedTs int64
|
|
UpdatedTs int64
|
|
|
|
// Domain specific fields
|
|
Filename string
|
|
Blob []byte
|
|
Type string
|
|
Size int64
|
|
}
|
|
|
|
func (raw *resourceRaw) toResource() *api.Resource {
|
|
return &api.Resource{
|
|
ID: raw.ID,
|
|
|
|
// Standard fields
|
|
CreatorID: raw.CreatorID,
|
|
CreatedTs: raw.CreatedTs,
|
|
UpdatedTs: raw.UpdatedTs,
|
|
|
|
// Domain specific fields
|
|
Filename: raw.Filename,
|
|
Blob: raw.Blob,
|
|
Type: raw.Type,
|
|
Size: raw.Size,
|
|
}
|
|
}
|
|
|
|
func (s *Store) ComposeMemoResourceList(ctx context.Context, memo *api.Memo) error {
|
|
resourceList, err := s.FindResourceList(ctx, &api.ResourceFind{
|
|
MemoID: &memo.ID,
|
|
})
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
for _, resource := range resourceList {
|
|
memoResource, err := s.FindMemoResource(ctx, &api.MemoResourceFind{
|
|
MemoID: &memo.ID,
|
|
ResourceID: &resource.ID,
|
|
})
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
resource.CreatedTs = memoResource.CreatedTs
|
|
resource.UpdatedTs = memoResource.UpdatedTs
|
|
}
|
|
|
|
sort.Slice(resourceList, func(i, j int) bool {
|
|
if resourceList[i].CreatedTs != resourceList[j].CreatedTs {
|
|
return resourceList[i].CreatedTs < resourceList[j].CreatedTs
|
|
}
|
|
|
|
return resourceList[i].ID < resourceList[j].ID
|
|
})
|
|
|
|
memo.ResourceList = resourceList
|
|
|
|
return nil
|
|
}
|
|
|
|
func (s *Store) CreateResource(ctx context.Context, create *api.ResourceCreate) (*api.Resource, error) {
|
|
tx, err := s.db.BeginTx(ctx, nil)
|
|
if err != nil {
|
|
return nil, FormatError(err)
|
|
}
|
|
defer tx.Rollback()
|
|
|
|
resourceRaw, err := createResource(ctx, tx, create)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
if err := tx.Commit(); err != nil {
|
|
return nil, FormatError(err)
|
|
}
|
|
|
|
if err := s.cache.UpsertCache(api.ResourceCache, resourceRaw.ID, resourceRaw); err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
resource := resourceRaw.toResource()
|
|
|
|
return resource, nil
|
|
}
|
|
|
|
func (s *Store) FindResourceList(ctx context.Context, find *api.ResourceFind) ([]*api.Resource, error) {
|
|
tx, err := s.db.BeginTx(ctx, nil)
|
|
if err != nil {
|
|
return nil, FormatError(err)
|
|
}
|
|
defer tx.Rollback()
|
|
|
|
resourceRawList, err := findResourceList(ctx, tx, find)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
resourceList := []*api.Resource{}
|
|
for _, raw := range resourceRawList {
|
|
resourceList = append(resourceList, raw.toResource())
|
|
}
|
|
|
|
return resourceList, nil
|
|
}
|
|
|
|
func (s *Store) FindResource(ctx context.Context, find *api.ResourceFind) (*api.Resource, error) {
|
|
if find.ID != nil {
|
|
resourceRaw := &resourceRaw{}
|
|
has, err := s.cache.FindCache(api.ResourceCache, *find.ID, resourceRaw)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
if has {
|
|
return resourceRaw.toResource(), nil
|
|
}
|
|
}
|
|
|
|
tx, err := s.db.BeginTx(ctx, nil)
|
|
if err != nil {
|
|
return nil, FormatError(err)
|
|
}
|
|
defer tx.Rollback()
|
|
|
|
list, err := findResourceList(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")}
|
|
}
|
|
|
|
resourceRaw := list[0]
|
|
|
|
if err := s.cache.UpsertCache(api.ResourceCache, resourceRaw.ID, resourceRaw); err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
resource := resourceRaw.toResource()
|
|
|
|
return resource, nil
|
|
}
|
|
|
|
func (s *Store) DeleteResource(ctx context.Context, delete *api.ResourceDelete) error {
|
|
tx, err := s.db.BeginTx(ctx, nil)
|
|
if err != nil {
|
|
return FormatError(err)
|
|
}
|
|
defer tx.Rollback()
|
|
|
|
if err := deleteResource(ctx, tx, delete); err != nil {
|
|
return err
|
|
}
|
|
if err := vacuum(ctx, tx); err != nil {
|
|
return err
|
|
}
|
|
|
|
if err := tx.Commit(); err != nil {
|
|
return FormatError(err)
|
|
}
|
|
|
|
s.cache.DeleteCache(api.ResourceCache, delete.ID)
|
|
|
|
return nil
|
|
}
|
|
|
|
func (s *Store) PatchResource(ctx context.Context, patch *api.ResourcePatch) (*api.Resource, error) {
|
|
tx, err := s.db.BeginTx(ctx, nil)
|
|
if err != nil {
|
|
return nil, FormatError(err)
|
|
}
|
|
defer tx.Rollback()
|
|
|
|
resourceRaw, err := patchResource(ctx, tx, patch)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
if err := tx.Commit(); err != nil {
|
|
return nil, FormatError(err)
|
|
}
|
|
|
|
if err := s.cache.UpsertCache(api.ResourceCache, resourceRaw.ID, resourceRaw); err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
resource := resourceRaw.toResource()
|
|
|
|
return resource, nil
|
|
}
|
|
|
|
func createResource(ctx context.Context, tx *sql.Tx, create *api.ResourceCreate) (*resourceRaw, error) {
|
|
query := `
|
|
INSERT INTO resource (
|
|
filename,
|
|
blob,
|
|
type,
|
|
size,
|
|
creator_id
|
|
)
|
|
VALUES (?, ?, ?, ?, ?)
|
|
RETURNING id, filename, blob, type, size, creator_id, created_ts, updated_ts
|
|
`
|
|
var resourceRaw resourceRaw
|
|
if err := tx.QueryRowContext(ctx, query, create.Filename, create.Blob, create.Type, create.Size, create.CreatorID).Scan(
|
|
&resourceRaw.ID,
|
|
&resourceRaw.Filename,
|
|
&resourceRaw.Blob,
|
|
&resourceRaw.Type,
|
|
&resourceRaw.Size,
|
|
&resourceRaw.CreatorID,
|
|
&resourceRaw.CreatedTs,
|
|
&resourceRaw.UpdatedTs,
|
|
); err != nil {
|
|
return nil, FormatError(err)
|
|
}
|
|
|
|
return &resourceRaw, nil
|
|
}
|
|
|
|
func patchResource(ctx context.Context, tx *sql.Tx, patch *api.ResourcePatch) (*resourceRaw, error) {
|
|
set, args := []string{}, []interface{}{}
|
|
|
|
if v := patch.UpdatedTs; v != nil {
|
|
set, args = append(set, "updated_ts = ?"), append(args, *v)
|
|
}
|
|
if v := patch.Filename; v != nil {
|
|
set, args = append(set, "filename = ?"), append(args, *v)
|
|
}
|
|
|
|
args = append(args, patch.ID)
|
|
|
|
query := `
|
|
UPDATE resource
|
|
SET ` + strings.Join(set, ", ") + `
|
|
WHERE id = ?
|
|
RETURNING id, filename, blob, type, size, creator_id, created_ts, updated_ts
|
|
`
|
|
var resourceRaw resourceRaw
|
|
if err := tx.QueryRowContext(ctx, query, args...).Scan(
|
|
&resourceRaw.ID,
|
|
&resourceRaw.Filename,
|
|
&resourceRaw.Blob,
|
|
&resourceRaw.Type,
|
|
&resourceRaw.Size,
|
|
&resourceRaw.CreatorID,
|
|
&resourceRaw.CreatedTs,
|
|
&resourceRaw.UpdatedTs,
|
|
); err != nil {
|
|
return nil, FormatError(err)
|
|
}
|
|
|
|
return &resourceRaw, nil
|
|
}
|
|
|
|
func findResourceList(ctx context.Context, tx *sql.Tx, find *api.ResourceFind) ([]*resourceRaw, error) {
|
|
where, args := []string{"1 = 1"}, []interface{}{}
|
|
|
|
if v := find.ID; v != nil {
|
|
where, args = append(where, "id = ?"), append(args, *v)
|
|
}
|
|
if v := find.CreatorID; v != nil {
|
|
where, args = append(where, "creator_id = ?"), append(args, *v)
|
|
}
|
|
if v := find.Filename; v != nil {
|
|
where, args = append(where, "filename = ?"), append(args, *v)
|
|
}
|
|
if v := find.MemoID; v != nil {
|
|
where, args = append(where, "id in (SELECT resource_id FROM memo_resource WHERE memo_id = ?)"), append(args, *v)
|
|
}
|
|
|
|
query := `
|
|
SELECT
|
|
id,
|
|
filename,
|
|
blob,
|
|
type,
|
|
size,
|
|
creator_id,
|
|
created_ts,
|
|
updated_ts
|
|
FROM resource
|
|
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()
|
|
|
|
resourceRawList := make([]*resourceRaw, 0)
|
|
for rows.Next() {
|
|
var resourceRaw resourceRaw
|
|
if err := rows.Scan(
|
|
&resourceRaw.ID,
|
|
&resourceRaw.Filename,
|
|
&resourceRaw.Blob,
|
|
&resourceRaw.Type,
|
|
&resourceRaw.Size,
|
|
&resourceRaw.CreatorID,
|
|
&resourceRaw.CreatedTs,
|
|
&resourceRaw.UpdatedTs,
|
|
); err != nil {
|
|
return nil, FormatError(err)
|
|
}
|
|
|
|
resourceRawList = append(resourceRawList, &resourceRaw)
|
|
}
|
|
|
|
if err := rows.Err(); err != nil {
|
|
return nil, FormatError(err)
|
|
}
|
|
|
|
return resourceRawList, nil
|
|
}
|
|
|
|
func deleteResource(ctx context.Context, tx *sql.Tx, delete *api.ResourceDelete) error {
|
|
where, args := []string{"id = ?"}, []interface{}{delete.ID}
|
|
|
|
stmt := `DELETE FROM resource 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("resource not found")}
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
func vacuumResource(ctx context.Context, tx *sql.Tx) error {
|
|
stmt := `
|
|
DELETE FROM
|
|
resource
|
|
WHERE
|
|
creator_id NOT IN (
|
|
SELECT
|
|
id
|
|
FROM
|
|
user
|
|
)`
|
|
_, err := tx.ExecContext(ctx, stmt)
|
|
if err != nil {
|
|
return FormatError(err)
|
|
}
|
|
|
|
return nil
|
|
}
|