Initial commit: Open sourcing all of the Maple Open Technologies code.

cloud/maplepress-backend/internal/repository/user/delete.go

@@ -0,0 +1,47 @@
+package user
+
+import (
+	"context"
+
+	"github.com/gocql/gocql"
+	"go.uber.org/zap"
+)
+
+// Delete deletes a user from all tables using batched writes
+func (r *repository) Delete(ctx context.Context, tenantID string, id string) error {
+	r.logger.Info("deleting user",
+		zap.String("tenant_id", tenantID),
+		zap.String("id", id))
+
+	// First, get the user to retrieve email and created_date for deleting from other tables
+	user, err := r.GetByID(ctx, tenantID, id)
+	if err != nil {
+		return err
+	}
+
+	createdDate := user.CreatedAt.Format("2006-01-02")
+
+	// Use batched writes to maintain consistency across all tables
+	batch := r.session.NewBatch(gocql.LoggedBatch)
+
+	// Delete from users_by_id table
+	batch.Query(`DELETE FROM users_by_id WHERE tenant_id = ? AND id = ?`,
+		tenantID, id)
+
+	// Delete from users_by_email table
+	batch.Query(`DELETE FROM users_by_email WHERE tenant_id = ? AND email = ?`,
+		tenantID, user.Email)
+
+	// Delete from users_by_date table
+	batch.Query(`DELETE FROM users_by_date WHERE tenant_id = ? AND created_date = ? AND id = ?`,
+		tenantID, createdDate, id)
+
+	// Execute batch atomically
+	if err := r.session.ExecuteBatch(batch); err != nil {
+		r.logger.Error("failed to delete user", zap.Error(err))
+		return err
+	}
+
+	r.logger.Info("user deleted successfully", zap.String("user_id", id))
+	return nil
+}