feat: Add ent-based sqlite3 storage

Signed-off-by: m.nabokikh <maksim.nabokikh@flant.com>

storage/ent/client/client.go

@@ -0,0 +1,92 @@
+package client
+
+import (
+	"context"
+
+	"github.com/dexidp/dex/storage"
+)
+
+// CreateClient saves provided oauth2 client settings into the database.
+func (d *Database) CreateClient(client storage.Client) error {
+	_, err := d.client.OAuth2Client.Create().
+		SetID(client.ID).
+		SetName(client.Name).
+		SetSecret(client.Secret).
+		SetPublic(client.Public).
+		SetLogoURL(client.LogoURL).
+		SetRedirectUris(client.RedirectURIs).
+		SetTrustedPeers(client.TrustedPeers).
+		Save(context.TODO())
+	if err != nil {
+		return convertDBError("create oauth2 client: %w", err)
+	}
+	return nil
+}
+
+// ListClients extracts an array of oauth2 clients from the database.
+func (d *Database) ListClients() ([]storage.Client, error) {
+	clients, err := d.client.OAuth2Client.Query().All(context.TODO())
+	if err != nil {
+		return nil, convertDBError("list clients: %w", err)
+	}
+
+	storageClients := make([]storage.Client, 0, len(clients))
+	for _, c := range clients {
+		storageClients = append(storageClients, toStorageClient(c))
+	}
+	return storageClients, nil
+}
+
+// GetClient extracts an oauth2 client from the database by id.
+func (d *Database) GetClient(id string) (storage.Client, error) {
+	client, err := d.client.OAuth2Client.Get(context.TODO(), id)
+	if err != nil {
+		return storage.Client{}, convertDBError("get client: %w", err)
+	}
+	return toStorageClient(client), nil
+}
+
+// DeleteClient deletes an oauth2 client from the database by id.
+func (d *Database) DeleteClient(id string) error {
+	err := d.client.OAuth2Client.DeleteOneID(id).Exec(context.TODO())
+	if err != nil {
+		return convertDBError("delete client: %w", err)
+	}
+	return nil
+}
+
+// UpdateClient changes an oauth2 client by id using an updater function and saves it to the database.
+func (d *Database) UpdateClient(id string, updater func(old storage.Client) (storage.Client, error)) error {
+	tx, err := d.client.Tx(context.TODO())
+	if err != nil {
+		return convertDBError("update client tx: %w", err)
+	}
+
+	client, err := tx.OAuth2Client.Get(context.TODO(), id)
+	if err != nil {
+		return rollback(tx, "update client database: %w", err)
+	}
+
+	newClient, err := updater(toStorageClient(client))
+	if err != nil {
+		return rollback(tx, "update client updating: %w", err)
+	}
+
+	_, err = tx.OAuth2Client.UpdateOneID(newClient.ID).
+		SetName(newClient.Name).
+		SetSecret(newClient.Secret).
+		SetPublic(newClient.Public).
+		SetLogoURL(newClient.LogoURL).
+		SetRedirectUris(newClient.RedirectURIs).
+		SetTrustedPeers(newClient.TrustedPeers).
+		Save(context.TODO())
+	if err != nil {
+		return rollback(tx, "update client uploading: %w", err)
+	}
+
+	if err = tx.Commit(); err != nil {
+		return rollback(tx, "update auth request commit: %w", err)
+	}
+
+	return nil
+}