feat: Add account deletion functionality for both agents and regular users.

src/agents/agents.service.ts

@@ -893,4 +893,50 @@ export class AgentsService {
 
     return updatedUser.privacyPreferences;
   }
+
+  // =============================================
+  // DELETE ACCOUNT
+  // =============================================
+
+  async deleteAccount(userId: string) {
+    const user = await this.prisma.user.findUnique({
+      where: { id: userId },
+      select: { id: true, role: true },
+    });
+
+    if (!user) {
+      throw new NotFoundException('User not found');
+    }
+
+    if (user.role !== 'AGENT') {
+      throw new BadRequestException('This endpoint is for agents only');
+    }
+
+    // Delete in a transaction to ensure data consistency
+    await this.prisma.$transaction(async (tx) => {
+      // First, delete the agent profile and related data
+      const agentProfile = await tx.agentProfile.findUnique({
+        where: { userId },
+      });
+
+      if (agentProfile) {
+        // Delete agent profile field values
+        await tx.agentProfileFieldValue.deleteMany({
+          where: { agentProfileId: agentProfile.id },
+        });
+
+        // Delete the agent profile
+        await tx.agentProfile.delete({
+          where: { userId },
+        });
+      }
+
+      // Finally, delete the user account
+      await tx.user.delete({
+        where: { id: userId },
+      });
+    });
+
+    return { message: 'Account deleted successfully' };
+  }
 }