edge/pkg/storage/driver/sqlite/share_store.go

429 lines
9.2 KiB
Go

package sqlite
import (
"context"
"database/sql"
"fmt"
"time"
"forge.cadoles.com/arcad/edge/pkg/app"
"forge.cadoles.com/arcad/edge/pkg/storage/share"
"github.com/pkg/errors"
"gitlab.com/wpetit/goweb/logger"
)
type ShareStore struct {
getDB GetDBFunc
}
// DeleteAttributes implements share.Repository
func (s *ShareStore) DeleteAttributes(ctx context.Context, origin app.ID, resourceID share.ResourceID, names ...string) error {
err := s.withTx(ctx, func(tx *sql.Tx) error {
query := `
DELETE FROM resources
WHERE origin = $1 AND resource_id = $2
`
args := []any{origin, resourceID}
criteria := ""
for idx, name := range names {
if idx == 0 {
criteria += " AND ("
}
if idx != 0 {
criteria += " OR "
}
criteria += fmt.Sprintf(" name = $%d", len(args)+1)
args = append(args, name)
if idx == len(names)-1 {
criteria += " )"
}
}
query += criteria
logger.Debug(
ctx, "executing query",
logger.F("query", query),
logger.F("args", args),
)
res, err := tx.ExecContext(ctx, query, args...)
if err != nil {
return errors.WithStack(err)
}
affected, err := res.RowsAffected()
if err != nil {
return errors.WithStack(err)
}
if affected == 0 {
return errors.WithStack(share.ErrNotFound)
}
return nil
})
if err != nil {
return errors.WithStack(err)
}
return err
}
// DeleteResource implements share.Repository
func (s *ShareStore) DeleteResource(ctx context.Context, origin app.ID, resourceID share.ResourceID) error {
err := s.withTx(ctx, func(tx *sql.Tx) error {
query := `
DELETE FROM resources
WHERE origin = $1 AND resource_id = $2
`
args := []any{origin, resourceID}
logger.Debug(
ctx, "executing query",
logger.F("query", query),
logger.F("args", args),
)
res, err := tx.ExecContext(ctx, query, args...)
if err != nil {
return errors.WithStack(err)
}
affected, err := res.RowsAffected()
if err != nil {
return errors.WithStack(err)
}
if affected == 0 {
return errors.WithStack(share.ErrNotFound)
}
return nil
})
if err != nil {
return errors.WithStack(err)
}
return err
}
// FindResources implements share.Repository
func (s *ShareStore) FindResources(ctx context.Context, funcs ...share.FindResourcesOptionFunc) ([]share.Resource, error) {
opts := share.NewFindResourcesOptions(funcs...)
var resources []share.Resource
err := s.withTx(ctx, func(tx *sql.Tx) error {
query := `
SELECT
main.origin, main.resource_id,
main.name, main.type, main.value,
main.created_at, main.updated_at
FROM resources AS main
JOIN resources AS sub ON
main.resource_id = sub.resource_id
AND main.origin = sub.origin
`
criteria := " WHERE 1 = 1"
preparedArgIndex := 1
args := make([]any, 0)
if opts.Name != nil {
criteria += fmt.Sprintf(" AND sub.name = $%d", preparedArgIndex)
args = append(args, *opts.Name)
preparedArgIndex++
}
if opts.ValueType != nil {
criteria += fmt.Sprintf(" AND sub.type = $%d", preparedArgIndex)
args = append(args, *opts.ValueType)
preparedArgIndex++
}
query += criteria
logger.Debug(
ctx, "executing query",
logger.F("query", query),
logger.F("args", args),
)
rows, err := tx.QueryContext(ctx, query, args...)
if err != nil {
return errors.WithStack(err)
}
defer func() {
if err := rows.Close(); err != nil {
logger.Error(ctx, "could not close rows", logger.CapturedE(errors.WithStack(err)))
}
}()
indexedResources := make(map[string]*share.BaseResource)
for rows.Next() {
var (
origin string
resourceID string
name string
valueType string
value any
updatedAt time.Time
createdAt time.Time
)
if err := rows.Scan(&origin, &resourceID, &name, &valueType, &value, &createdAt, &updatedAt); err != nil {
return errors.WithStack(err)
}
resourceKey := origin + resourceID
resource, exists := indexedResources[resourceKey]
if !exists {
resource = share.NewBaseResource(app.ID(origin), share.ResourceID(resourceID))
indexedResources[resourceKey] = resource
}
attr := share.NewBaseAttribute(
name,
share.ValueType(valueType),
value,
)
attr.SetCreatedAt(createdAt)
attr.SetUpdatedAt(updatedAt)
resource.SetAttribute(attr)
}
if err := rows.Err(); err != nil {
return errors.WithStack(err)
}
resources = make([]share.Resource, 0, len(indexedResources))
for _, res := range indexedResources {
resources = append(resources, res)
}
return nil
})
if err != nil {
return nil, errors.WithStack(err)
}
return resources, nil
}
// GetResource implements share.Repository
func (s *ShareStore) GetResource(ctx context.Context, origin app.ID, resourceID share.ResourceID) (share.Resource, error) {
var (
resource *share.BaseResource
err error
)
err = s.withTx(ctx, func(tx *sql.Tx) error {
resource, err = s.getResourceWithinTx(ctx, tx, origin, resourceID)
if err != nil {
return errors.WithStack(err)
}
return nil
})
if err != nil {
return nil, errors.WithStack(err)
}
return resource, nil
}
// UpdateAttributes implements share.Repository
func (s *ShareStore) UpdateAttributes(ctx context.Context, origin app.ID, resourceID share.ResourceID, attributes ...share.Attribute) (share.Resource, error) {
if len(attributes) == 0 {
return nil, errors.WithStack(share.ErrAttributeRequired)
}
var resource *share.BaseResource
err := s.withTx(ctx, func(tx *sql.Tx) error {
query := `
INSERT INTO resources (origin, resource_id, name, type, value, created_at, updated_at)
VALUES($1, $2, $3, $4, $5, $6, $6)
ON CONFLICT (origin, resource_id, name) DO UPDATE SET
type = $4, value = $5, updated_at = $6
`
stmt, err := tx.PrepareContext(ctx, query)
if err != nil {
return errors.WithStack(err)
}
defer func() {
if err := stmt.Close(); err != nil {
logger.Error(ctx, "could not close statement", logger.CapturedE(errors.WithStack(err)))
}
}()
now := time.Now().UTC()
for _, attr := range attributes {
args := []any{
string(origin), string(resourceID),
attr.Name(), string(attr.Type()), attr.Value(),
now, now,
}
logger.Debug(
ctx, "executing query",
logger.F("query", query),
logger.F("args", args),
)
if _, err := stmt.ExecContext(ctx, args...); err != nil {
return errors.WithStack(err)
}
}
resource, err = s.getResourceWithinTx(ctx, tx, origin, resourceID)
if err != nil {
return errors.WithStack(err)
}
return nil
})
if err != nil {
return nil, errors.WithStack(err)
}
return resource, nil
}
func (s *ShareStore) getResourceWithinTx(ctx context.Context, tx *sql.Tx, origin app.ID, resourceID share.ResourceID) (*share.BaseResource, error) {
query := `
SELECT name, type, value, created_at, updated_at
FROM resources
WHERE origin = $1 AND resource_id = $2
`
rows, err := tx.QueryContext(ctx, query, origin, resourceID)
if err != nil {
return nil, errors.WithStack(err)
}
defer func() {
if err := rows.Close(); err != nil {
logger.Error(ctx, "could not close rows", logger.CapturedE(errors.WithStack(err)))
}
}()
attributes := make([]share.Attribute, 0)
for rows.Next() {
var (
name string
valueType string
value any
updatedAt time.Time
createdAt time.Time
)
if err := rows.Scan(&name, &valueType, &value, &createdAt, &updatedAt); err != nil {
return nil, errors.WithStack(err)
}
attr := share.NewBaseAttribute(
name,
share.ValueType(valueType),
value,
)
attr.SetCreatedAt(createdAt)
attr.SetUpdatedAt(updatedAt)
attributes = append(attributes, attr)
}
if err := rows.Err(); err != nil {
return nil, errors.WithStack(err)
}
if len(attributes) == 0 {
return nil, errors.WithStack(share.ErrNotFound)
}
resource := share.NewBaseResource(origin, resourceID, attributes...)
return resource, nil
}
func (s *ShareStore) withTx(ctx context.Context, fn func(tx *sql.Tx) error) error {
var db *sql.DB
db, err := s.getDB(ctx)
if err != nil {
return errors.WithStack(err)
}
if err := WithRetry(ctx, db, sqliteBusyMaxRetry, fn); err != nil {
return errors.WithStack(err)
}
return nil
}
func ensureShareTables(ctx context.Context, db *sql.DB) error {
err := WithTx(ctx, db, func(tx *sql.Tx) error {
query := `
CREATE TABLE IF NOT EXISTS resources (
resource_id TEXT NOT NULL,
origin TEXT NOT NULL,
name TEXT NOT NULL,
type TEXT NOT NULL,
value TEXT,
created_at TIMESTAMP NOT NULL,
updated_at TIMESTAMP NOT NULL,
UNIQUE(origin, resource_id, name) ON CONFLICT REPLACE
);
`
if _, err := tx.ExecContext(ctx, query); err != nil {
return errors.WithStack(err)
}
query = `
CREATE INDEX IF NOT EXISTS resource_idx ON resources (origin, resource_id, name);
`
if _, err := tx.ExecContext(ctx, query); err != nil {
return errors.WithStack(err)
}
return nil
})
if err != nil {
return errors.WithStack(err)
}
return nil
}
func NewShareStore(path string) *ShareStore {
getDB := NewGetDBFunc(path, ensureShareTables)
return &ShareStore{
getDB: getDB,
}
}
func NewShareStoreWithDB(db *sql.DB) *ShareStore {
getDB := NewGetDBFuncFromDB(db, ensureShareTables)
return &ShareStore{
getDB: getDB,
}
}
var _ share.Store = &ShareStore{}