93 lines
1.8 KiB
Go
93 lines
1.8 KiB
Go
package storage
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import (
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"context"
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"errors"
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"time"
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"forge.cadoles.com/arcad/edge/pkg/storage/filter"
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"github.com/oklog/ulid/v2"
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)
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var (
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ErrDocumentNotFound = errors.New("document not found")
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ErrDocumentRevisionConflict = errors.New("document revision conflict")
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)
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type DocumentID string
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const (
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DocumentAttrID = "_id"
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DocumentAttrRevision = "_revision"
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DocumentAttrCreatedAt = "_createdAt"
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DocumentAttrUpdatedAt = "_updatedAt"
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)
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func NewDocumentID() DocumentID {
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return DocumentID(ulid.Make().String())
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}
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type Document map[string]interface{}
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func (d Document) ID() (DocumentID, bool) {
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rawID, exists := d[DocumentAttrID]
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if !exists {
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return "", false
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}
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strID, ok := rawID.(string)
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if ok {
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return DocumentID(strID), true
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}
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docID, ok := rawID.(DocumentID)
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if ok {
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return docID, true
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}
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return "", false
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}
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func (d Document) Revision() (int, bool) {
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rawRevision, exists := d[DocumentAttrRevision]
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if !exists {
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return 0, false
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}
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revision, ok := rawRevision.(int)
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if ok {
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return revision, true
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}
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return 0, false
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}
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func (d Document) CreatedAt() (time.Time, bool) {
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return d.timeAttr(DocumentAttrCreatedAt)
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}
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func (d Document) UpdatedAt() (time.Time, bool) {
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return d.timeAttr(DocumentAttrUpdatedAt)
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}
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func (d Document) timeAttr(attr string) (time.Time, bool) {
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rawTime, exists := d[attr]
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if !exists {
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return time.Time{}, false
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}
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t, ok := rawTime.(time.Time)
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if !ok {
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return time.Time{}, false
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}
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return t, true
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}
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type DocumentStore interface {
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Get(ctx context.Context, collection string, id DocumentID) (Document, error)
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Query(ctx context.Context, collection string, filter *filter.Filter, funcs ...QueryOptionFunc) ([]Document, error)
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Upsert(ctx context.Context, collection string, document Document) (Document, error)
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Delete(ctx context.Context, collection string, id DocumentID) error
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}
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