Organize backend into product executable and shared Go modules

backend/product/sessions/store/db.go

@@ -0,0 +1,102 @@
+package refreshtokens
+
+import (
+	sessionmodel "git.sendico.io/tech/sxchnge/product/sessions/model"
+	"strings"
+
+	"git.sendico.io/tech/sxchnge/shared/database/repository"
+	ri "git.sendico.io/tech/sxchnge/shared/database/repository/index"
+	"git.sendico.io/tech/sxchnge/shared/database/template"
+	"git.sendico.io/tech/sxchnge/shared/logging"
+	"git.sendico.io/tech/sxchnge/shared/service"
+	"go.mongodb.org/mongo-driver/v2/mongo"
+	"go.uber.org/zap"
+)
+
+type Collections struct {
+	RefreshTokens string
+	Clients       string
+}
+
+type RefreshTokenDB struct {
+	template.DBImp[*sessionmodel.RefreshToken]
+	clients    repository.Repository
+	collection Collections
+}
+
+func Create(logger mlogger.Logger, db *mongo.Database) (*RefreshTokenDB, error) {
+	return CreateWithCollections(logger, db, Collections{})
+}
+
+func (c Collections) WithDefaults() Collections {
+	if strings.TrimSpace(c.RefreshTokens) == "" {
+		c.RefreshTokens = mservice.RefreshTokens
+	}
+	if strings.TrimSpace(c.Clients) == "" {
+		c.Clients = mservice.Clients
+	}
+	return c
+}
+
+func CreateWithCollections(logger mlogger.Logger, db *mongo.Database, collections Collections) (*RefreshTokenDB, error) {
+	collections = collections.WithDefaults()
+	p := &RefreshTokenDB{
+		DBImp:      *template.Create[*sessionmodel.RefreshToken](logger, mservice.Type(collections.RefreshTokens), db),
+		clients:    repository.CreateMongoRepository(db, collections.Clients),
+		collection: collections,
+	}
+
+	if err := p.Repository.CreateIndex(&ri.Definition{
+		Keys:   []ri.Key{{Field: "token", Sort: ri.Asc}},
+		Unique: true,
+	}); err != nil {
+		p.Logger.Error("Failed to create unique token index", zap.Error(err))
+		return nil, err
+	}
+
+	ttl := int32(0)
+	if err := p.Repository.CreateIndex(&ri.Definition{
+		Keys: []ri.Key{{Field: ExpiresAtField, Sort: ri.Asc}},
+		Name: "expire_sessions",
+		TTL:  &ttl,
+	}); err != nil {
+		p.Logger.Error("Failed to create refresh session expiration index", zap.Error(err))
+		return nil, err
+	}
+
+	// Add unique constraint on account/client/device combination
+	if err := p.Repository.CreateIndex(&ri.Definition{
+		Keys: []ri.Key{
+			{Field: "accountRef", Sort: ri.Asc},
+			{Field: "clientId", Sort: ri.Asc},
+			{Field: "deviceId", Sort: ri.Asc},
+		},
+		Unique:        true,
+		Name:          "unique_active_session",
+		PartialFilter: repository.Filter(IsRevokedField, false),
+	}); err != nil {
+		p.Logger.Error("Failed to create unique account/client/device index", zap.Error(err))
+		return nil, err
+	}
+
+	if err := p.Repository.CreateIndex(&ri.Definition{
+		Keys: []ri.Key{{Field: IsRevokedField, Sort: ri.Asc}},
+	}); err != nil {
+		p.Logger.Error("Failed to create unique token revokation status index", zap.Error(err))
+		return nil, err
+	}
+
+	if err := p.clients.CreateIndex(&ri.Definition{
+		Keys:   []ri.Key{{Field: "clientId", Sort: ri.Asc}},
+		Unique: true,
+	}); err != nil {
+		p.Logger.Error("Failed to create unique client identifier index", zap.Error(err))
+		return nil, err
+	}
+
+	return p, nil
+}
+
+func (db *RefreshTokenDB) Collections() Collections {
+	return db.collection
+}