All files / src/app/api/admin/support/tickets/bulk route.ts

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export const dynamic = "force-dynamic";

/**
 * Admin Bulk Ticket Actions API
 * PATCH /api/admin/support/tickets/bulk - Bulk actions on tickets
 */

import { NextRequest, NextResponse } from 'next/server';
import { requireAdminRole, handleAuthError } from '@/lib/auth';
import { prisma } from '@/lib/prisma';
import { BulkTicketActionSchema } from '@/lib/validation/support-schemas';
import { TicketStatus, TicketPriority } from '@/types/support';
import { handleError } from '@/lib/error-handler';
import { logger } from '@/lib/logging';

export async function PATCH(request: NextRequest) {
  try {
    const session = await requireAdminRole();
    const adminId = Number(session.user.id);

    // Validate input
    const body = await request.json();
    const validationResult = BulkTicketActionSchema.safeParse(body);
    if (!validationResult.success) {
      return NextResponse.json(
        {
          success: false,
          error: 'Validation failed',
          details: validationResult.error.flatten().fieldErrors},
        { status: 400 }
      );
    }

    const { ticketIds, action, value } = validationResult.data;

    // Verify all tickets exist
    const existingTickets = await prisma.supportTicket.findMany({
      where: { id: { in: ticketIds } },
      select: { id: true }});

    if (existingTickets.length !== ticketIds.length) {
      return NextResponse.json(
        { success: false, error: 'Some tickets not found' },
        { status: 404 }
      );
    }

    let updateData: Record<string, unknown> = {};
    let updatedCount = 0;

    switch (action) {
      case 'close':
        updateData = {
          status: TicketStatus.CLOSED,
          closedAt: new Date()};
        break;

      case 'resolve':
        updateData = {
          status: TicketStatus.RESOLVED,
          resolvedAt: new Date()};
        break;

      case 'assign':
        if (value === null || typeof value === 'number') {
          // Verify agent exists if assigning
          if (value !== null) {
            const agent = await prisma.user.findUnique({
              where: { id: value as number },
              select: { id: true, role: true }});

            if (!agent || agent.role !== 'ADMIN') {
              return NextResponse.json(
                { success: false, error: 'Invalid agent' },
                { status: 400 }
              );
            }
          }
          updateData = { assignedToId: value };
        } else {
          return NextResponse.json(
            { success: false, error: 'Invalid agent ID for assign action' },
            { status: 400 }
          );
        }
        break;

      case 'change_priority':
        if (
          typeof value === 'string' &&
          Object.values(TicketPriority).includes(value as TicketPriority)
        ) {
          updateData = { priority: value };
        } else {
          return NextResponse.json(
            { success: false, error: 'Invalid priority value' },
            { status: 400 }
          );
        }
        break;

      case 'change_status':
        if (
          typeof value === 'string' &&
          Object.values(TicketStatus).includes(value as TicketStatus)
        ) {
          updateData = { status: value };

          // Set timestamps based on status
          if (value === TicketStatus.RESOLVED) {
            updateData.resolvedAt = new Date();
          } else if (value === TicketStatus.CLOSED) {
            updateData.closedAt = new Date();
          }
        } else {
          return NextResponse.json(
            { success: false, error: 'Invalid status value' },
            { status: 400 }
          );
        }
        break;

      default:
        return NextResponse.json(
          { success: false, error: 'Invalid action' },
          { status: 400 }
        );
    }

    // Perform bulk update
    const result = await prisma.supportTicket.updateMany({
      where: { id: { in: ticketIds } },
      data: updateData});

    updatedCount = result.count;

    // Create history entries for each ticket
    await prisma.ticketHistory.createMany({
      data: ticketIds.map((ticketId) => ({
        ticketId,
        action: `bulk_${action}`,
        oldValue: null,
        newValue: value?.toString() || null,
        performedBy: adminId}))});

    logger.info('Bulk ticket action performed', {
      category: 'ADMIN_SUPPORT',
      action,
      ticketCount: updatedCount,
      adminId});

    return NextResponse.json({
      success: true,
      message: `${updatedCount} ticket(s) updated`,
      updatedCount});
  } catch (error) {
    const authResponse = handleAuthError(error as Error);
    if (authResponse) return authResponse;

    logger.error('Error performing bulk ticket action', error instanceof Error ? error : new Error(String(error)), { category: 'ADMIN_SUPPORT' });
    return handleError(error);
  }
}