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app/api/library/[id]/route.ts

134 lines

import { NextRequest, NextResponse } from 'next/server';
import { query } from '@/lib/db';
import { requireRole } from '@/lib/require-role';
import { auditLog } from '@/lib/audit';
import { getOrgId } from '@/lib/orgId';

type RouteContext = { params: Promise<{ id: string }> };

/**
 * GET /api/library/[id]
 * Return a single library item.
 */
export async function GET(request: NextRequest, context: RouteContext) {
  const auth = requireRole(request, 'admin', 'staff');
  if (auth instanceof NextResponse) return auth;

  const { id } = await context.params;

  try {
    const orgId = auth.role === 'admin' ? getOrgId(request) : auth.orgId;
    const result = await query(
      `SELECT * FROM library_items WHERE id = $1 AND ($2::text IS NULL OR org_id = $2)`,
      [id, orgId]
    );

    if (result.rowCount === 0) {
      return NextResponse.json({ error: 'Library item not found' }, { status: 404 });
    }

    return NextResponse.json({ item: result.rows[0] });
  } catch (err) {
    console.error('[api/library/[id]] GET error:', (err as Error).message);
    return NextResponse.json({ error: 'Failed to fetch library item' }, { status: 500 });
  }
}

/**
 * PATCH /api/library/[id]
 * Update library item fields.
 */
export async function PATCH(request: NextRequest, context: RouteContext) {
  const auth = requireRole(request, 'admin', 'staff');
  if (auth instanceof NextResponse) return auth;

  const { id } = await context.params;

  try {
    const body = await request.json();
    const allowedFields = [
      'title', 'description', 'content_html', 'content_text',
      'tags', 'email_type', 'voice_mode', 'is_pinned', 'item_type',
    ];

    const setClauses: string[] = [];
    const values: unknown[] = [];
    let paramIndex = 1;

    for (const field of allowedFields) {
      if (field in body) {
        setClauses.push(`${field} = $${paramIndex}`);
        values.push(body[field]);
        paramIndex++;
      }
    }

    if (setClauses.length === 0) {
      return NextResponse.json({ error: 'No valid fields to update' }, { status: 400 });
    }

    const orgId = auth.role === 'admin' ? getOrgId(request) : auth.orgId;
    values.push(id);
    values.push(orgId);
    const result = await query(
      `UPDATE library_items SET ${setClauses.join(', ')} WHERE id = $${paramIndex} AND ($${paramIndex + 1}::text IS NULL OR org_id = $${paramIndex + 1}) RETURNING *`,
      values
    );

    if (result.rowCount === 0) {
      return NextResponse.json({ error: 'Library item not found' }, { status: 404 });
    }

    const ip = request.headers.get('x-forwarded-for') || request.headers.get('x-real-ip') || undefined;
    await auditLog(
      'library.updated',
      'library_item',
      id,
      { fields: Object.keys(body).filter((k) => allowedFields.includes(k)) },
      ip
    );

    return NextResponse.json({ item: result.rows[0] });
  } catch (err) {
    console.error('[api/library/[id]] PATCH error:', (err as Error).message);
    return NextResponse.json({ error: 'Failed to update library item' }, { status: 500 });
  }
}

/**
 * DELETE /api/library/[id]
 * Delete a library item.
 */
export async function DELETE(request: NextRequest, context: RouteContext) {
  const auth = requireRole(request, 'admin', 'staff');
  if (auth instanceof NextResponse) return auth;

  const { id } = await context.params;

  try {
    const orgId = auth.role === 'admin' ? getOrgId(request) : auth.orgId;
    const result = await query(
      `DELETE FROM library_items WHERE id = $1 AND ($2::text IS NULL OR org_id = $2) RETURNING id, title, item_type`,
      [id, orgId]
    );

    if (result.rowCount === 0) {
      return NextResponse.json({ error: 'Library item not found' }, { status: 404 });
    }

    const ip = request.headers.get('x-forwarded-for') || request.headers.get('x-real-ip') || undefined;
    await auditLog(
      'library.deleted',
      'library_item',
      id,
      { title: result.rows[0].title, item_type: result.rows[0].item_type },
      ip
    );

    return NextResponse.json({ success: true, deleted: result.rows[0] });
  } catch (err) {
    console.error('[api/library/[id]] DELETE error:', (err as Error).message);
    return NextResponse.json({ error: 'Failed to delete library item' }, { status: 500 });
  }
}