memos/store/db/sqlite/memo.go
2023-10-08 05:29:12 -05:00

322 lines
8.2 KiB
Go

package sqlite
import (
"context"
"database/sql"
"fmt"
"strings"
"github.com/pkg/errors"
"github.com/usememos/memos/common/util"
"github.com/usememos/memos/store"
)
func (d *DB) CreateMemo(ctx context.Context, create *store.Memo) (*store.Memo, error) {
fields := []string{"`creator_id`", "`content`", "`visibility`"}
placeholder := []string{"?", "?", "?"}
args := []any{create.CreatorID, create.Content, create.Visibility}
if create.ID != 0 {
fields = append(fields, "`id`")
placeholder = append(placeholder, "?")
args = append(args, create.ID)
}
if create.CreatedTs != 0 {
fields = append(fields, "`created_ts`")
placeholder = append(placeholder, "?")
args = append(args, create.CreatedTs)
}
if create.UpdatedTs != 0 {
fields = append(fields, "`updated_ts`")
placeholder = append(placeholder, "?")
args = append(args, create.UpdatedTs)
}
if create.RowStatus != "" {
fields = append(fields, "`row_status`")
placeholder = append(placeholder, "?")
args = append(args, create.RowStatus)
}
stmt := "INSERT INTO memo (" + strings.Join(fields, ", ") + ") VALUES (" + strings.Join(placeholder, ", ") + ") RETURNING `id`, `created_ts`, `updated_ts`, `row_status`"
if err := d.db.QueryRowContext(ctx, stmt, args...).Scan(
&create.ID,
&create.CreatedTs,
&create.UpdatedTs,
&create.RowStatus,
); err != nil {
return nil, err
}
return create, nil
}
func (d *DB) ListMemos(ctx context.Context, find *store.FindMemo) ([]*store.Memo, error) {
where, args := []string{"1 = 1"}, []any{}
if v := find.ID; v != nil {
where, args = append(where, "memo.id = ?"), append(args, *v)
}
if v := find.CreatorID; v != nil {
where, args = append(where, "memo.creator_id = ?"), append(args, *v)
}
if v := find.RowStatus; v != nil {
where, args = append(where, "memo.row_status = ?"), append(args, *v)
}
if v := find.CreatedTsBefore; v != nil {
where, args = append(where, "memo.created_ts < ?"), append(args, *v)
}
if v := find.CreatedTsAfter; v != nil {
where, args = append(where, "memo.created_ts > ?"), append(args, *v)
}
if v := find.ContentSearch; len(v) != 0 {
for _, s := range v {
where, args = append(where, "memo.content LIKE ?"), append(args, "%"+s+"%")
}
}
if v := find.VisibilityList; len(v) != 0 {
list := []string{}
for _, visibility := range v {
list = append(list, fmt.Sprintf("$%d", len(args)+1))
args = append(args, visibility)
}
where = append(where, fmt.Sprintf("memo.visibility in (%s)", strings.Join(list, ",")))
}
if v := find.Pinned; v != nil {
where = append(where, "memo_organizer.pinned = 1")
}
if v := find.HasParent; v != nil {
if *v {
where = append(where, "parent_id IS NOT NULL")
} else {
where = append(where, "parent_id IS NULL")
}
}
orders := []string{"pinned DESC"}
if find.OrderByUpdatedTs {
orders = append(orders, "updated_ts DESC")
} else {
orders = append(orders, "created_ts DESC")
}
orders = append(orders, "id DESC")
query := `
SELECT
memo.id AS id,
memo.creator_id AS creator_id,
memo.created_ts AS created_ts,
memo.updated_ts AS updated_ts,
memo.row_status AS row_status,
memo.content AS content,
memo.visibility AS visibility,
CASE WHEN memo_organizer.pinned = 1 THEN 1 ELSE 0 END AS pinned,
(
SELECT
related_memo_id
FROM
memo_relation
WHERE
memo_relation.memo_id = memo.id AND memo_relation.type = 'COMMENT'
LIMIT 1
) AS parent_id,
GROUP_CONCAT(resource.id) AS resource_id_list,
(
SELECT
GROUP_CONCAT(memo_id || ':' || related_memo_id || ':' || type)
FROM
memo_relation
WHERE
memo_relation.memo_id = memo.id OR memo_relation.related_memo_id = memo.id
) AS relation_list
FROM
memo
LEFT JOIN
memo_organizer ON memo.id = memo_organizer.memo_id
LEFT JOIN
resource ON memo.id = resource.memo_id
WHERE ` + strings.Join(where, " AND ") + `
GROUP BY memo.id
ORDER BY ` + strings.Join(orders, ", ") + `
`
if find.Limit != nil {
query = fmt.Sprintf("%s LIMIT %d", query, *find.Limit)
if find.Offset != nil {
query = fmt.Sprintf("%s OFFSET %d", query, *find.Offset)
}
}
rows, err := d.db.QueryContext(ctx, query, args...)
if err != nil {
return nil, err
}
defer rows.Close()
list := make([]*store.Memo, 0)
for rows.Next() {
var memo store.Memo
var memoResourceIDList sql.NullString
var memoRelationList sql.NullString
if err := rows.Scan(
&memo.ID,
&memo.CreatorID,
&memo.CreatedTs,
&memo.UpdatedTs,
&memo.RowStatus,
&memo.Content,
&memo.Visibility,
&memo.Pinned,
&memo.ParentID,
&memoResourceIDList,
&memoRelationList,
); err != nil {
return nil, err
}
if memoResourceIDList.Valid {
idStringList := strings.Split(memoResourceIDList.String, ",")
memo.ResourceIDList = make([]int32, 0, len(idStringList))
for _, idString := range idStringList {
id, err := util.ConvertStringToInt32(idString)
if err != nil {
return nil, err
}
memo.ResourceIDList = append(memo.ResourceIDList, id)
}
}
if memoRelationList.Valid {
memo.RelationList = make([]*store.MemoRelation, 0)
relatedMemoTypeList := strings.Split(memoRelationList.String, ",")
for _, relatedMemoType := range relatedMemoTypeList {
relatedMemoTypeList := strings.Split(relatedMemoType, ":")
if len(relatedMemoTypeList) != 3 {
return nil, errors.New("invalid relation format")
}
memoID, err := util.ConvertStringToInt32(relatedMemoTypeList[0])
if err != nil {
return nil, err
}
relatedMemoID, err := util.ConvertStringToInt32(relatedMemoTypeList[1])
if err != nil {
return nil, err
}
relationType := store.MemoRelationType(relatedMemoTypeList[2])
memo.RelationList = append(memo.RelationList, &store.MemoRelation{
MemoID: memoID,
RelatedMemoID: relatedMemoID,
Type: relationType,
})
}
}
list = append(list, &memo)
}
if err := rows.Err(); err != nil {
return nil, err
}
return list, nil
}
func (d *DB) UpdateMemo(ctx context.Context, update *store.UpdateMemo) error {
set, args := []string{}, []any{}
if v := update.CreatedTs; v != nil {
set, args = append(set, "created_ts = ?"), append(args, *v)
}
if v := update.UpdatedTs; v != nil {
set, args = append(set, "updated_ts = ?"), append(args, *v)
}
if v := update.RowStatus; v != nil {
set, args = append(set, "row_status = ?"), append(args, *v)
}
if v := update.Content; v != nil {
set, args = append(set, "content = ?"), append(args, *v)
}
if v := update.Visibility; v != nil {
set, args = append(set, "visibility = ?"), append(args, *v)
}
args = append(args, update.ID)
stmt := `
UPDATE memo
SET ` + strings.Join(set, ", ") + `
WHERE id = ?
`
if _, err := d.db.ExecContext(ctx, stmt, args...); err != nil {
return err
}
return nil
}
func (d *DB) DeleteMemo(ctx context.Context, delete *store.DeleteMemo) error {
where, args := []string{"id = ?"}, []any{delete.ID}
stmt := `DELETE FROM memo WHERE ` + strings.Join(where, " AND ")
result, err := d.db.ExecContext(ctx, stmt, args...)
if err != nil {
return err
}
if _, err := result.RowsAffected(); err != nil {
return err
}
if err := d.Vacuum(ctx); err != nil {
// Prevent linter warning.
return err
}
return nil
}
func (d *DB) FindMemosVisibilityList(ctx context.Context, memoIDs []int32) ([]store.Visibility, error) {
args := make([]any, 0, len(memoIDs))
list := make([]string, 0, len(memoIDs))
for _, memoID := range memoIDs {
args = append(args, memoID)
list = append(list, "?")
}
where := fmt.Sprintf("id in (%s)", strings.Join(list, ","))
query := `SELECT DISTINCT(visibility) FROM memo WHERE ` + where
rows, err := d.db.QueryContext(ctx, query, args...)
if err != nil {
return nil, err
}
defer rows.Close()
visibilityList := make([]store.Visibility, 0)
for rows.Next() {
var visibility store.Visibility
if err := rows.Scan(&visibility); err != nil {
return nil, err
}
visibilityList = append(visibilityList, visibility)
}
if err := rows.Err(); err != nil {
return nil, err
}
return visibilityList, nil
}
func vacuumMemo(ctx context.Context, tx *sql.Tx) error {
stmt := `
DELETE FROM
memo
WHERE
creator_id NOT IN (
SELECT
id
FROM
user
)`
_, err := tx.ExecContext(ctx, stmt)
if err != nil {
return err
}
return nil
}