All files / src/app/api/chat/[conversationId] route.ts

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
export const dynamic = 'force-dynamic';

/**
 * Chat Conversation API
 * GET /api/chat/[conversationId] - Get conversation with messages
 * PATCH /api/chat/[conversationId] - Update conversation (feedback)
 */

import { NextRequest, NextResponse } from 'next/server';
import { getServerSession } from '@/lib/auth';
import {
  withErrorHandling,
  ApiError,
  ApiSuccessResponse,
  ApiErrorResponse,
  RouteContext,
} from '@/lib/api';
import { ChatService } from '@/services';
import { prisma } from '@/lib/prisma';
import { z } from 'zod';

// ============================================================================
// VALIDATION
// ============================================================================

const UpdateConversationSchema = z.object({
  rating: z.number().min(1).max(5).optional(),
  feedback: z.string().max(1000).optional(),
});

// ============================================================================
// HANDLERS
// ============================================================================

/**
 * GET /api/chat/[conversationId]
 * Get conversation with messages
 */
async function handleGet(
  request: NextRequest,
  context?: RouteContext
): Promise<NextResponse<ApiSuccessResponse<unknown> | ApiErrorResponse>> {
  const session = await getServerSession();
  const { conversationId } = await context!.params!;

  // Get conversation
  const conversation = await prisma.chatConversation.findUnique({
    where: { id: conversationId },
    include: {
      messages: {
        orderBy: { createdAt: 'asc' },
        select: {
          id: true,
          content: true,
          senderType: true,
          contentType: true,
          attachments: true,
          isRead: true,
          createdAt: true,
        },
      },
    },
  });

  if (!conversation) {
    throw ApiError.notFound('Conversation not found');
  }

  // Check access
  const userId = session?.user?.id;
  if (conversation.userId && conversation.userId !== userId) {
    throw ApiError.forbidden('You do not have access to this conversation');
  }

  // Mark agent/bot messages as read
  await ChatService.markMessagesAsRead(conversationId, 'customer');

  return NextResponse.json({
    success: true,
    data: conversation,
  });
}

/**
 * PATCH /api/chat/[conversationId]
 * Update conversation (submit feedback)
 */
async function handlePatch(
  request: NextRequest,
  context?: RouteContext
): Promise<NextResponse<ApiSuccessResponse<unknown> | ApiErrorResponse>> {
  const session = await getServerSession();
  const { conversationId } = await context!.params!;
  const body = await request.json();

  // Validate request body
  const parseResult = UpdateConversationSchema.safeParse(body);
  if (!parseResult.success) {
    throw ApiError.validation(
      'Invalid request data',
      parseResult.error.issues
    );
  }

  const { rating, feedback } = parseResult.data;

  // Get conversation
  const conversation = await prisma.chatConversation.findUnique({
    where: { id: conversationId },
    select: { userId: true },
  });

  if (!conversation) {
    throw ApiError.notFound('Conversation not found');
  }

  // Check access
  const userId = session?.user?.id;
  if (conversation.userId && conversation.userId !== userId) {
    throw ApiError.forbidden('You do not have access to this conversation');
  }

  // Submit feedback
  if (rating !== undefined) {
    await ChatService.submitFeedback(conversationId, rating, feedback);
  }

  return NextResponse.json({
    success: true,
    data: { message: 'Feedback submitted successfully' },
  });
}

// ============================================================================
// EXPORTS
// ============================================================================

export const GET = withErrorHandling(handleGet);
export const PATCH = withErrorHandling(handlePatch);