Organize backend into product executable and shared Go modules

backend/product/verification/store/consume.go

@@ -0,0 +1,80 @@
+package verification
+
+import (
+	"context"
+	"errors"
+	verificationmodel "git.sendico.io/tech/sxchnge/product/verification/model"
+
+	"git.sendico.io/tech/sxchnge/shared/errors"
+	"go.mongodb.org/mongo-driver/v2/bson"
+	"go.uber.org/zap"
+)
+
+func (db *verificationDB) Consume(
+	ct context.Context,
+	accountRef bson.ObjectID,
+	purpose verificationmodel.VerificationPurpose,
+	contextRef string,
+	rawToken string,
+) (*verificationmodel.VerificationToken, error) {
+	scope, err := newConsumeScope(accountRef, purpose, contextRef, rawToken)
+	if err != nil {
+		return nil, err
+	}
+
+	db.Logger.Debug("Verification consume started", scope.startFields()...)
+
+	result, execErr := db.tf.CreateTransaction().Execute(
+		ct,
+		func(ctx context.Context) (any, error) {
+			token, err := db.lookupConsumeToken(ctx, scope)
+			if err != nil {
+				return nil, err
+			}
+			if err := db.validateConsumeToken(scope, token); err != nil {
+				return nil, err
+			}
+			return db.consumeMatchedToken(ctx, scope, token)
+		},
+	)
+
+	if execErr != nil {
+		db.persistConsumeMissAttempts(ct, scope, execErr)
+	}
+
+	return db.finishConsume(scope, result, execErr)
+}
+
+func (db *verificationDB) persistConsumeMissAttempts(ctx context.Context, scope consumeScope, err error) {
+	var miss consumeMissError
+	if !errors.As(err, &miss) {
+		return
+	}
+	db.incrementConsumeAttemptsForTokenIDs(ctx, scope, miss.tokenIDs)
+}
+
+func (db *verificationDB) finishConsume(
+	scope consumeScope,
+	result any,
+	err error,
+) (*verificationmodel.VerificationToken, error) {
+	if err != nil {
+		db.Logger.Debug("Verification consume finished with error",
+			scope.logFields(zap.Error(err))...,
+		)
+		return nil, err
+	}
+
+	token, ok := result.(*verificationmodel.VerificationToken)
+	if !ok {
+		db.Logger.Warn("Verification consume returned unexpected result type",
+			scope.logFields(zap.String("result_type", "<non-verification-token>"))...,
+		)
+		return nil, merrors.Internal("unexpected token type")
+	}
+
+	db.Logger.Debug("Verification consume finished successfully",
+		scope.tokenLogFields(token)...,
+	)
+	return token, nil
+}