# All files / services/whatsapp index.js

0% Statements 0/130
0% Branches 0/62
0% Functions 0/18
0% Lines 0/128

Press n or j to go to the next uncovered block, b, p or k for the previous block.

    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
    141
    142
    143
    144
    145
    146
    147
    148
    149
    150
    151
    152
    153
    154
    155
    156
    157
    158
    159
    160
    161
    162
    163
    164
    165
    166
    167
    168
    169
    170
    171
    172
    173
    174
    175
    176
    177
    178
    179
    180
    181
    182
    183
    184
    185
    186
    187
    188
    189
    190
    191
    192
    193
    194
    195
    196
    197
    198
    199
    200
    201
    202
    203
    204
    205
    206
    207
    208
    209
    210
    211
    212
    213
    214
    215
    216
    217
    218
    219
    220
    221
    222
    223
    224
    225
    226
    227
    228
    229
    230
    231
    232
    233
    234
    235
    236
    237
    238
    239
    240
    241
    242
    243
    244
    245
    246
    247
    248
    249
    250
    251
    252
    253
    254
    255
    256
    257
    258
    259
    260
    261
    262
    263
    264
    265
    266
    267
    268
    269
    270
    271
    272
    273
    274
    275
    276
    277
    278
    279
    280
    281
    282
    283
    284
    285
    286
    287
    288
    289
    290
    291
    292
    293
    294
    295
    296
    297
    298
    299
    300
    301
    302
    303
    304
    305
    306
    307
    308
    309
    310
    311
    312
    313
    314
    315
    316
    317
    318
    319
    320
    321
    322
    323
    324
    325
    326
    327
    328
    329
    330
    331
    332
    333
    334
    335
    336
    337
    338
    339
    340
    341
    342
    343
    344
    345
    346
    347
    348
    349
    350
    351
    352
    353
    354
    355
    356
    357
    358
    359
    360
    361
    362
    363
    364
    365
    366
    367
    368
    369
    370
    371
    372
    373
    374
    375
    376
    377
    378
    379
    380
    381
    382
    383
    384
    385
    386
    387
    388
    389
    390
    391
    392
    393
    394
    395
    396
    397
    398
    399
    400
    401
    402
    403
    404
    405
    406
    407
    408
    409
    410
    411
    412
    413
    414
    415
    416
    417
    418
    419
    420
    421
    422
    423
    424
    425

     /**
     * WhatsApp Service - Main Orchestrator
     * Coordinates all WhatsApp modules with tenant isolation
     *
     * @module services/whatsapp
     */

    const path = require('path');
    const { logger } = require('../../config/logger');
    const WhatsAppConnection = require('./WhatsAppConnection');
    const WhatsAppMessageHandler = require('./WhatsAppMessageHandler');
    const WhatsAppMediaHandler = require('./WhatsAppMediaHandler');
    const WhatsAppQRHandler = require('./WhatsAppQRHandler');
    const WhatsAppStateManager = require('./WhatsAppStateManager');

    class WhatsAppService {
      constructor(io, options = {}) {
        this.io = io;
        this.enableOpenAI = options.enableOpenAI || false;

        // Initialize modules
        this.stateManager = new WhatsAppStateManager(
          options.sessionPath || path.join(__dirname, '../../sessions')
        );

        this.qrHandler = new WhatsAppQRHandler(io, {
          maxQrGenerations: options.maxQrGenerations || 10,
          qrTimeoutDuration: options.qrTimeoutDuration || 120000
        });

        this.mediaHandler = new WhatsAppMediaHandler({
          uploadPath: options.uploadPath || path.join(__dirname, '../../uploads/whatsapp'),
          maxFileSize: options.maxFileSize || 50 * 1024 * 1024
        });

        this.connection = new WhatsAppConnection(io, this.stateManager, this.qrHandler, {
          maxReconnectAttempts: options.maxReconnectAttempts || 10
        });

        this.messageHandler = new WhatsAppMessageHandler(io, this.mediaHandler, {
          enableOpenAI: this.enableOpenAI
        });

        logger.info('WhatsApp Service initialized');
      }

      /**
       * Restore all saved sessions on server startup
       * @returns {Promise<void>}
       */
      async restoreAllSessions() {
        try {
          logger.info('🔄 Restoring saved WhatsApp sessions...');

          const { pool } = require('../../config/database');

          // Get all active tenants (exclude system tenant id=0)
          const [tenants] = await pool.query(
            `SELECT id, name FROM tenants WHERE status = 'active' AND id != 0`
          );

          logger.info(`Found ${tenants.length} active tenants`);

          let restored = 0;
          let skipped = 0;

          for (const tenant of tenants) {
            try {
              // Check if tenant has saved session
              if (this.stateManager.hasSession(tenant.id)) {
                logger.info(`📁 Restoring session for tenant: ${tenant.name} (ID: ${tenant.id})`);

                // Initialize connection (will load saved session)
                await this.initializeTenant(tenant.id);
                restored++;

                // Small delay to avoid overwhelming the system
                await new Promise(resolve => setTimeout(resolve, 1000));
              } else {
                logger.debug(`⏭️  No saved session for tenant: ${tenant.name} (ID: ${tenant.id})`);
                skipped++;
              }
            } catch (error) {
              logger.error(`❌ Failed to restore session for tenant ${tenant.id}:`, error.message);
            }
          }

          logger.info(`✅ Session restoration complete: ${restored} restored, ${skipped} skipped`);
        } catch (error) {
          logger.error('Error restoring sessions:', error);
        }
      }

      /**
       * Initialize WhatsApp connection for tenant
       * @param {number} tenantId - Tenant ID
       * @returns {Promise<void>}
       */
      async initializeTenant(tenantId) {
        try {
          logger.info('Initializing WhatsApp for tenant', { tenantId });

          // Get instance ID from database
          const { pool } = require('../config/database');
          const [instances] = await pool.query(
            'SELECT id FROM evolution_instances WHERE tenant_id = ? AND is_active = TRUE LIMIT 1',
            [tenantId]
          );
          const instanceId = instances.length > 0 ? instances[0].id : null;

          // Setup message handler
          const onMessageHandler = async (m) => {
            const sock = this.connection.getSocket(tenantId);
            const downloadMediaMessage = this.connection.getDownloadMediaMessage();
            await this.messageHandler.handleMessage(tenantId, instanceId, m, sock, downloadMediaMessage);
          };

          // Initialize connection with message handler
          await this.connection.initialize(tenantId, {
            onMessage: onMessageHandler
          });

          logger.info('WhatsApp initialized successfully for tenant', { tenantId });
        } catch (error) {
          logger.error('Error initializing WhatsApp for tenant', {
            tenantId,
            error: error.message
          });
          throw error;
        }
      }

      /**
       * Send text message for tenant
       * @param {number} tenantId - Tenant ID
       * @param {string} phoneNumber - Phone number
       * @param {string} messageText - Message text
       * @returns {Promise<Object>} Result
       */
      async sendMessage(tenantId, phoneNumber, messageText) {
        try {
          logger.info('Sending message for tenant', { tenantId, phoneNumber });

          const result = await this.connection.sendMessage(tenantId, phoneNumber, messageText);

          if (result.success) {
            // Save outgoing message
            await this.messageHandler.saveOutgoingMessage(tenantId, phoneNumber, messageText, {
              messageType: 'text'
            });
          }

          return result;
        } catch (error) {
          logger.error('Error sending message for tenant', {
            tenantId,
            phoneNumber,
            error: error.message
          });
          return { success: false, error: error.message };
        }
      }

      /**
       * Send media message for tenant
       * @param {number} tenantId - Tenant ID
       * @param {string} phoneNumber - Phone number
       * @param {string} filePath - File path
       * @param {string} caption - Caption (optional)
       * @returns {Promise<Object>} Result
       */
      async sendMediaMessage(tenantId, phoneNumber, filePath, caption = '') {
        try {
          logger.info('Sending media message for tenant', { tenantId, phoneNumber, filePath });

          const sock = this.connection.getSocket(tenantId);

          if (!sock || !this.connection.isConnected(tenantId)) {
            return { success: false, error: 'WhatsApp not connected' };
          }

          // Upload media
          const media = await this.mediaHandler.uploadMedia(tenantId, filePath);

          if (!media) {
            return { success: false, error: 'Error uploading media' };
          }

          const jid = phoneNumber.includes('@') ? phoneNumber : `${phoneNumber}@s.whatsapp.net`;

          // Prepare message
          const message = {
            caption: caption || undefined
          };

          if (media.messageType === 'image') {
            message.image = media.buffer;
          } else if (media.messageType === 'video') {
            message.video = media.buffer;
          } else if (media.messageType === 'audio') {
            message.audio = media.buffer;
          } else {
            message.document = media.buffer;
            message.mimetype = media.mimeType;
          }

          // Send message
          await sock.sendMessage(jid, message);

          // Save outgoing message
          await this.messageHandler.saveOutgoingMessage(tenantId, phoneNumber, caption, {
            messageType: media.messageType,
            mediaMimetype: media.mimeType
          });

          logger.info('Media message sent for tenant', {
            tenantId,
            phoneNumber,
            mediaType: media.messageType
          });

          return { success: true };
        } catch (error) {
          logger.error('Error sending media message for tenant', {
            tenantId,
            phoneNumber,
            error: error.message
          });
          return { success: false, error: error.message };
        }
      }

      /**
       * Disconnect tenant
       * @param {number} tenantId - Tenant ID
       * @returns {Promise<boolean>} Success status
       */
      async disconnectTenant(tenantId) {
        try {
          logger.info('Disconnecting tenant', { tenantId });

          const result = await this.connection.disconnect(tenantId);

          if (result) {
            this.qrHandler.cleanup(tenantId);
          }

          return result;
        } catch (error) {
          logger.error('Error disconnecting tenant', {
            tenantId,
            error: error.message
          });
          return false;
        }
      }

      /**
       * Clear session for tenant
       * @param {number} tenantId - Tenant ID
       * @returns {Promise<boolean>} Success status
       */
      async clearSession(tenantId) {
        try {
          logger.info('Clearing session for tenant', { tenantId });

          // Disconnect first
          await this.disconnectTenant(tenantId);

          // Clear session files
          const result = this.stateManager.clearSession(tenantId);

          // Clear QR handler data
          this.qrHandler.cleanup(tenantId);

          return result;
        } catch (error) {
          logger.error('Error clearing session for tenant', {
            tenantId,
            error: error.message
          });
          return false;
        }
      }

      /**
       * Get connection status for tenant
       * @param {number} tenantId - Tenant ID
       * @returns {Object} Connection status
       */
      getConnectionStatus(tenantId) {
        const isConnected = this.connection.isConnected(tenantId);
        const hasSession = this.stateManager.hasSession(tenantId);
        const qrStats = this.qrHandler.getStats(tenantId);
        const sessionInfo = this.stateManager.getSessionInfo(tenantId);

        return {
          tenantId,
          isConnected,
          hasSession,
          qr: qrStats,
          session: sessionInfo
        };
      }

      /**
       * Get QR code for tenant
       * @param {number} tenantId - Tenant ID
       * @returns {string|null} QR code or null
       */
      getQRCode(tenantId) {
        return this.qrHandler.getCurrentQR(tenantId);
      }

      /**
       * Get socket for tenant
       * @param {number} tenantId - Tenant ID
       * @returns {Object|null} Socket or null
       */
      getSocket(tenantId) {
        return this.connection.getSocket(tenantId);
      }

      /**
       * Check if tenant is connected
       * @param {number} tenantId - Tenant ID
       * @returns {boolean} Connection status
       */
      isConnected(tenantId) {
        return this.connection.isConnected(tenantId);
      }

      /**
       * Get Web WhatsApp conversations for tenant
       * @param {number} tenantId - Tenant ID
       * @returns {Promise<Array>} List of conversations
       */
      async getWebConversations(tenantId) {
        try {
          logger.info('Fetching Web WhatsApp conversations for tenant', { tenantId });
          const chats = await this.connection.getChats(tenantId);
          // Filter out @lid conversations (system-created, not real conversations)
          const filteredChats = chats.filter(chat => {
            const chatId = chat.id || '';
            return !chatId.includes('@lid');
          });
          // Transform chats into a format suitable for the frontend pipeline
          return filteredChats.map(chat => ({
            id: chat.id,
            name: chat.name || chat.id.split('@')[0],
            phone: chat.id.split('@')[0],
            avatar: null, // Baileys chats don't directly provide avatar URLs
            lastMessage: chat.lastMessage?.message?.conversation || chat.lastMessage?.message?.extendedTextMessage?.text || '',
            timestamp: chat.lastMessage?.messageTimestamp * 1000 || 0,
            stageId: 'unassigned', // Default stage for new web conversations
            tags: [],
            unreadCount: chat.unreadCount || 0,
            conversationId: chat.id,
            source: 'web'
          }));
        } catch (error) {
          logger.error('Error fetching Web WhatsApp conversations for tenant', {
            tenantId,
            error: error.message
          });
          return [];
        }
      }

      /**
       * Get service statistics
       * @returns {Object} Service statistics
       */
      getStats() {
        const sessionStats = this.stateManager.getStats();
        const activeTenants = this.qrHandler.getActiveTenants();

        return {
          sessions: sessionStats,
          activeTenants: activeTenants.length,
          tenants: activeTenants
        };
      }

      /**
       * Cleanup old data
       * @param {Object} options - Cleanup options
       * @returns {Object} Cleanup results
       */
      async cleanup(options = {}) {
        try {
          const results = {
            backups: 0,
            media: {}
          };

          // Clean old backups
          if (options.cleanBackups !== false) {
            results.backups = this.stateManager.cleanOldBackups(
              options.backupDaysToKeep || 7
            );
          }

          // Clean old media for each tenant
          if (options.cleanMedia !== false && options.tenantIds) {
            for (const tenantId of options.tenantIds) {
              const deleted = this.mediaHandler.cleanOldMedia(
                tenantId,
                options.mediaDaysToKeep || 30
              );
              results.media[tenantId] = deleted;
            }
          }

          logger.info('Cleanup completed', results);
          return results;
        } catch (error) {
          logger.error('Error during cleanup', { error: error.message });
          return { error: error.message };
        }
      }
    }

    module.exports = WhatsAppService;