Files
mstore/app/maindb/manifest.go
T
2026-02-06 15:31:35 +02:00

283 lines
8.2 KiB
Go

/*
* Copyright 2026 Oleg Borodin <onborodin@gmail.com>
*
* This work is published and licensed under a Creative Commons
* Attribution-NonCommercial-NoDerivatives 4.0 International License.
*
* Distribution of this work is permitted, but commercial use and
* modifications are strictly prohibited.
*/
package maindb
import (
"context"
"mstore/app/descr"
)
func (db *Database) InsertManifest(ctx context.Context, manifest *descr.Manifest) error {
var err error
var request string
request = `INSERT INTO manifests(id, name, reference, contentType, payload, digest,
created_at, updated_at, created_by, updated_by)
VALUES ($1, $2, $3, $4, $5, $6, $7, $8, $9, $10)`
_, err = db.db.Exec(request, manifest.ID, manifest.Name, manifest.Reference,
manifest.ContentType, manifest.Payload, manifest.Digest,
manifest.CreatedAt, manifest.UpdatedAt,
manifest.CreatedBy, manifest.UpdatedBy)
if err != nil {
return err
}
return err
}
func (db *Database) InsertManifests(ctx context.Context, manifests []*descr.Manifest) error {
var err error
// Begin Tx
tx, err := db.db.BeginTx(ctx, nil)
for _, manifest := range manifests {
var request string
request = `INSERT INTO manifests(id, name, reference, contentType, payload, digest,
created_at, updated_at, created_by, updated_by)
VALUES ($1, $2, $3, $4, $5, $6, $7, $8, $9, $10)`
_, err = tx.Exec(request, manifest.ID, manifest.Name, manifest.Reference,
manifest.ContentType, manifest.Payload, manifest.Digest,
manifest.CreatedAt, manifest.UpdatedAt,
manifest.CreatedBy, manifest.UpdatedBy)
if err != nil {
return err
}
}
// Commit
err = tx.Commit()
if err != nil {
return err
}
return err
}
func (db *Database) UpdateManifest(ctx context.Context, manifest *descr.Manifest) error {
var err error
var request string
// Manifest
request = `UPDATE manifests SET contentType = $1, payload = $2, digest = $3, updated_at = $4
WHERE name = $5 AND reference = $6`
_, err = db.db.Exec(request, manifest.ContentType, manifest.Payload, manifest.Digest,
manifest.UpdatedAt, manifest.Name, manifest.Reference)
if err != nil {
return err
}
return err
}
func (db *Database) InsertManifestWithLayers(ctx context.Context, manifest *descr.Manifest, layers []descr.Blob) error {
var err error
var request string
// Begin Tx
tx, err := db.db.BeginTx(ctx, nil)
// Manifest
request = `
INSERT INTO manifests(id, name, reference, contentType, payload, digest,
created_at, updated_at, created_by, updated_by)
VALUES ($1, $2, $3, $4, $5, $6, $7, $8, $9, $10);`
_, err = tx.Exec(request, manifest.ID, manifest.Name, manifest.Reference,
manifest.ContentType, manifest.Payload, manifest.Digest,
manifest.CreatedAt, manifest.UpdatedAt,
manifest.CreatedBy, manifest.UpdatedBy)
if err != nil {
return err
}
// Layers
for _, layer := range layers {
request = `
INSERT INTO blobs(id, name, reference, mediaType, digest, size,
created_at, updated_at, created_by, updated_by)
VALUES ($1, $2, $3, $4, $5, $6, $7, $8, $9, $10)`
_, err = tx.Exec(request,
layer.ID, layer.Name, layer.Reference, layer.MediaType,
layer.Digest, layer.Size,
layer.CreatedAt, layer.UpdatedAt,
layer.CreatedBy, layer.UpdatedBy)
if err != nil {
return err
}
}
// Commit
err = tx.Commit()
if err != nil {
return err
}
// TODO: tx.Rollback()
return err
}
func (db *Database) UpdateManifestWithBlobs(ctx context.Context, manifest *descr.Manifest,
newLayers []descr.Blob, oldLayers []descr.Blob) error {
var err error
var request string
// Begin Tx
tx, err := db.db.BeginTx(ctx, nil)
// TODO: tx.Rollback()
// Manifest
request = `UPDATE manifests SET contentType = $1, payload = $2, digest = $3, updated_at = $4, updated_by = $5
WHERE name = $6 AND reference = $7`
_, err = tx.Exec(request, manifest.ContentType, manifest.Payload, manifest.Digest,
manifest.UpdatedAt, manifest.UpdatedBy,
manifest.Name, manifest.Reference)
if err != nil {
return err
}
// New layers
for _, layer := range newLayers {
request = `INSERT INTO blobs(id, name, reference, mediaType, digest, size,
created_at, updated_at, created_by, updated_by)
VALUES ($1, $2, $3, $4, $5, $6, $7, $8, $9, $10)`
_, err = tx.Exec(request, layer.ID, layer.Name, layer.Reference, layer.MediaType,
layer.Digest, layer.Size, layer.CreatedAt, layer.UpdatedAt)
if err != nil {
return err
}
}
// Old layers
for _, layer := range oldLayers {
request = `DELETE FROM blobs WHERE name == $1 AND reference == $2 AND digest == $3`
_, err = tx.Exec(request, layer.Name, layer.Reference, layer.Digest)
}
// Commit
err = tx.Commit()
if err != nil {
return err
}
return err
}
func (db *Database) ManifestExistsByReference(ctx context.Context, name, reference string) (bool, error) {
var err error
var count int
var exists bool
request := `SELECT count(id) AS count FROM manifests WHERE name = $1 AND reference = $2 LIMIT 1`
err = db.db.Get(&count, request, name, reference)
if err != nil {
return exists, err
}
if count > 0 {
exists = true
}
return exists, err
}
func (db *Database) ManifestExistsByDigest(ctx context.Context, name, digest string) (bool, error) {
var err error
var count int
var exists bool
request := `SELECT count(id) AS count FROM manifests WHERE name = $1 AND digest = $2 LIMIT 1`
err = db.db.Get(&count, request, name, digest)
if err != nil {
return exists, err
}
if count > 0 {
exists = true
}
return exists, err
}
func (db *Database) GetManifestByDigest(ctx context.Context, name, digest string) (bool, descr.Manifest, error) {
var err error
manifest := descr.Manifest{}
manifests := make([]descr.Manifest, 0)
exists := false
request := `SELECT * FROM manifests WHERE name = $1 AND digest = $2 LIMIT 1`
err = db.db.Select(&manifests, request, name, digest)
if err != nil {
return exists, manifest, err
}
if len(manifests) > 0 {
exists = true
manifest = manifests[0]
}
return exists, manifest, err
}
func (db *Database) GetManifestByReference(ctx context.Context, name, reference string) (bool, descr.Manifest, error) {
var err error
manifest := descr.Manifest{}
exists := false
manifests := make([]descr.Manifest, 0)
request := `SELECT * FROM manifests WHERE name = $1 AND reference = $2 LIMIT 1`
err = db.db.Select(&manifests, request, name, reference)
if err != nil {
return exists, manifest, err
}
if len(manifests) > 0 {
exists = true
manifest = manifests[0]
}
return exists, manifest, err
}
func (db *Database) ListManifestsByName(ctx context.Context, name string) ([]descr.Manifest, error) {
var err error
manifests := make([]descr.Manifest, 0)
request := `SELECT id, name, reference, contentType, payload FROM manifests WHERE name = $1`
err = db.db.Select(&manifests, request, name)
if err != nil {
return manifests, err
}
return manifests, err
}
func (db *Database) ListAllManifests(ctx context.Context) ([]descr.Manifest, error) {
var err error
manifests := make([]descr.Manifest, 0)
request := `SELECT * FROM manifests`
err = db.db.Select(&manifests, request)
if err != nil {
return manifests, err
}
return manifests, err
}
func (db *Database) GetReferer(ctx context.Context, name, digest string) ([]descr.Manifest, error) {
var err error
manifests := make([]descr.Manifest, 0)
request := `SELECT * FROM manifests WHERE name = $1, digest = $2`
err = db.db.Select(&manifests, request, name, digest)
if err != nil {
return manifests, err
}
return manifests, err
}
func (db *Database) DeleteManifest(ctx context.Context, name, reference string) error {
var err error
var request string
// Begin Tx
tx, err := db.db.BeginTx(ctx, nil)
// TODO: tx.Rollback()
// Blobs
request = `DELETE FROM blobs WHERE name = $1 AND reference = $2`
_, err = tx.Exec(request, name, reference)
if err != nil {
return err
}
// Manifest
request = `DELETE FROM manifests WHERE name = $1 AND reference = $2`
_, err = tx.Exec(request, name, reference)
if err != nil {
return err
}
// Commit
err = tx.Commit()
if err != nil {
return err
}
return err
}