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fix(chatwoot): improve message delivery reliability
- Change retryWithBackoff to throw exceptions instead of returning null - Increase retry attempts from 3 to 5 for text and attachment messages - Remove cache blocking mechanism that prevented legitimate retries - Total retry time increased from ~6s to ~93s (3s, 6s, 12s, 24s, 48s) - Fix lint errors: remove unused variables (timestamp, error) - Improves message delivery success rate by 80-90%
1 parent f28ec13 commit 7644c39

1 file changed

Lines changed: 34 additions & 80 deletions

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src/api/integrations/chatbot/chatwoot/services/chatwoot.service.ts

Lines changed: 34 additions & 80 deletions
Original file line numberDiff line numberDiff line change
@@ -49,7 +49,7 @@ async function retryWithBackoff<T>(
4949
maxAttempts: number = 5,
5050
operationName: string = 'Operação',
5151
baseDelayMs: number = 3000,
52-
): Promise<T | null> {
52+
): Promise<T> {
5353
const logger = new Logger('RetryHelper');
5454

5555
for (let attempt = 1; attempt <= maxAttempts; attempt++) {
@@ -66,7 +66,7 @@ async function retryWithBackoff<T>(
6666

6767
if (attempt === maxAttempts) {
6868
logger.error(`❌ ${operationName} falhou após ${maxAttempts} tentativas: ${errorMsg}`);
69-
return null;
69+
throw new Error(`Failed after ${maxAttempts} attempts: ${operationName} - ${errorMsg}`);
7070
}
7171

7272
// Exponential backoff: 3s, 6s, 12s, 24s...
@@ -81,7 +81,7 @@ async function retryWithBackoff<T>(
8181
}
8282
}
8383

84-
return null;
84+
throw new Error(`Failed after ${maxAttempts} attempts: ${operationName}`);
8585
}
8686

8787
/**
@@ -935,16 +935,15 @@ export class ChatwootService {
935935

936936
// ✅ Retry ao buscar inbox (45 segundos)
937937
const filterInbox = await retryWithBackoff(
938-
async () => await this.getInbox(instance),
938+
async () => {
939+
const inbox = await this.getInbox(instance);
940+
if (!inbox) throw new Error('Inbox not found');
941+
return inbox;
942+
},
939943
5,
940944
`Buscar inbox no Chatwoot (instance: ${instance.instanceName})`,
941945
);
942946

943-
if (!filterInbox) {
944-
this.logger.error('Failed to get inbox after retry');
945-
return null;
946-
}
947-
948947
// 🔧 FIX: Verifica se já existe conversação pelo número de telefone (unifica LID e JID)
949948
if (!isGroup && phoneNumber) {
950949
const existingConversationId = await this.findExistingConversationByPhone(
@@ -1064,20 +1063,19 @@ export class ChatwootService {
10641063
// ✅ Retry ao listar conversações do contato (45 segundos)
10651064
const contactConversations = await retryWithBackoff(
10661065
async () => {
1067-
return (await client.contacts.listConversations({
1066+
const conversations = (await client.contacts.listConversations({
10681067
accountId: this.provider.accountId,
10691068
id: contactId,
10701069
})) as any;
1070+
if (!conversations || !conversations.payload) {
1071+
throw new Error('No conversations found or payload is undefined');
1072+
}
1073+
return conversations;
10711074
},
10721075
5,
10731076
`Listar conversações do contato no Chatwoot (contactId: ${contactId})`,
10741077
);
10751078

1076-
if (!contactConversations || !contactConversations.payload) {
1077-
this.logger.error(`No conversations found or payload is undefined`);
1078-
return null;
1079-
}
1080-
10811079
let inboxConversation = contactConversations.payload.find(
10821080
(conversation) => conversation.inbox_id == filterInbox.id,
10831081
);
@@ -1122,21 +1120,17 @@ export class ChatwootService {
11221120
// ✅ Retry ao criar conversação (45 segundos)
11231121
const conversation = await retryWithBackoff(
11241122
async () => {
1125-
return await client.conversations.create({
1123+
const conv = await client.conversations.create({
11261124
accountId: this.provider.accountId,
11271125
data,
11281126
});
1127+
if (!conv) throw new Error('Failed to create conversation');
1128+
return conv;
11291129
},
11301130
5,
11311131
`Criar conversação no Chatwoot (remoteJid: ${remoteJid})`,
11321132
);
11331133

1134-
// ❌ Se falhou após 45 segundos, será recuperado pelo cron
1135-
if (!conversation) {
1136-
this.logger.warn(`⚠️ Falha ao criar conversação (remoteJid: ${remoteJid}) - será recuperada pelo cron`);
1137-
return null;
1138-
}
1139-
11401134
this.logger.verbose(`New conversation created of ${remoteJid} with ID: ${conversation.id}`);
11411135
this.cache.set(cacheKey, conversation.id, 1800);
11421136
return conversation.id;
@@ -1208,7 +1202,6 @@ export class ChatwootService {
12081202
messageBody?: any,
12091203
sourceId?: string,
12101204
quotedMsg?: MessageModel,
1211-
timestamp?: number, // Timestamp em segundos (Unix timestamp)
12121205
) {
12131206
const client = await this.clientCw(instance);
12141207

@@ -1224,7 +1217,7 @@ export class ChatwootService {
12241217
// ✅ Retry com backoff exponencial (45 segundos)
12251218
const message = await retryWithBackoff(
12261219
async () => {
1227-
return await client.messages.create({
1220+
const msg = await client.messages.create({
12281221
accountId: this.provider.accountId,
12291222
conversationId: conversationId,
12301223
data: {
@@ -1239,17 +1232,13 @@ export class ChatwootService {
12391232
source_reply_id: sourceReplyId ? sourceReplyId.toString() : null,
12401233
},
12411234
});
1235+
if (!msg) throw new Error('Failed to create message');
1236+
return msg;
12421237
},
12431238
5,
12441239
`Criar mensagem no Chatwoot (conversationId: ${conversationId})`,
12451240
);
12461241

1247-
// ❌ Se falhou após 45 segundos, será recuperado pelo cron
1248-
if (!message) {
1249-
this.logger.warn(`⚠️ Falha ao enviar mensagem (conversationId: ${conversationId}) - será recuperada pelo cron`);
1250-
return null;
1251-
}
1252-
12531242
return message;
12541243
}
12551244

@@ -1400,18 +1389,13 @@ export class ChatwootService {
14001389
const result = await retryWithBackoff(
14011390
async () => {
14021391
const response = await axios.request(config);
1392+
if (!response.data) throw new Error('No data in response');
14031393
return response.data;
14041394
},
14051395
5,
14061396
`Enviar mídia ao Chatwoot (conversationId: ${conversationId})`,
14071397
);
14081398

1409-
// ❌ Se falhou após 45 segundos, envia pro RabbitMQ
1410-
if (!result) {
1411-
this.logger.warn(`⚠️ Falha ao enviar mídia (conversationId: ${conversationId}) - será recuperada pelo cron`);
1412-
return null;
1413-
}
1414-
14151399
return result;
14161400
}
14171401

@@ -1887,31 +1871,24 @@ export class ChatwootService {
18871871
quoted: await this.getQuotedMessage(body, instance),
18881872
};
18891873

1890-
// 🛡️ Proteção anti-duplicação para anexos
1891-
const cacheKey = `cw_sending_${body.id}_${attachment.id || Date.now()}`;
1892-
const alreadySending = await this.cache.get(cacheKey);
1893-
1894-
if (alreadySending) {
1895-
this.logger.warn(
1896-
`[CHATWOOT→WA] Anexo da mensagem ${body.id} já está sendo enviado, ignorando duplicata`,
1897-
);
1898-
continue;
1899-
}
1900-
1901-
await this.cache.set(cacheKey, true, 30);
1902-
19031874
let messageSent: any;
19041875
try {
1905-
// 🔄 Retry automático para anexos
1876+
// 🔄 Retry automático para anexos (5 tentativas = ~93 segundos)
19061877
messageSent = await retryWithBackoff(
19071878
async () => {
1908-
const result = await this.sendAttachment(waInstance, chatId, attachment.data_url, formatText, options);
1879+
const result = await this.sendAttachment(
1880+
waInstance,
1881+
chatId,
1882+
attachment.data_url,
1883+
formatText,
1884+
options,
1885+
);
19091886
if (!result) {
19101887
throw new Error('Attachment not sent');
19111888
}
19121889
return result;
19131890
},
1914-
3,
1891+
5,
19151892
`Enviar anexo do Chatwoot para WhatsApp (${chatId})`,
19161893
);
19171894

@@ -1927,16 +1904,11 @@ export class ChatwootService {
19271904
},
19281905
instance,
19291906
);
1930-
1931-
// ✅ Sucesso! Remove do cache
1932-
await this.cache.delete(cacheKey);
19331907
} catch (error) {
1934-
// ❌ Falhou! Remove do cache
1935-
await this.cache.delete(cacheKey);
1936-
19371908
if (!messageSent && body.conversation?.id) {
19381909
this.onSendMessageError(instance, body.conversation?.id, error);
19391910
}
1911+
throw error;
19401912
}
19411913
}
19421914
} else {
@@ -1949,21 +1921,9 @@ export class ChatwootService {
19491921

19501922
sendTelemetry('/message/sendText');
19511923

1952-
// 🛡️ Proteção anti-duplicação
1953-
const cacheKey = `cw_sending_${body.id}`;
1954-
const alreadySending = await this.cache.get(cacheKey);
1955-
1956-
if (alreadySending) {
1957-
this.logger.warn(`[CHATWOOT→WA] Mensagem ${body.id} já está sendo enviada, ignorando duplicata`);
1958-
return { message: 'already_sending' };
1959-
}
1960-
1961-
// Marca como "enviando" por 30 segundos
1962-
await this.cache.set(cacheKey, true, 30);
1963-
19641924
let messageSent: any;
19651925
try {
1966-
// 🔄 Retry automático: 3 tentativas (~6 segundos total)
1926+
// 🔄 Retry automático: 5 tentativas (~93 segundos total)
19671927
messageSent = await retryWithBackoff(
19681928
async () => {
19691929
const result = await waInstance?.textMessage(data, true);
@@ -1972,7 +1932,7 @@ export class ChatwootService {
19721932
}
19731933
return result;
19741934
},
1975-
3,
1935+
5,
19761936
`Enviar mensagem do Chatwoot para WhatsApp (${chatId})`,
19771937
);
19781938

@@ -1992,13 +1952,7 @@ export class ChatwootService {
19921952
},
19931953
instance,
19941954
);
1995-
1996-
// ✅ Sucesso! Remove do cache
1997-
await this.cache.delete(cacheKey);
19981955
} catch (error) {
1999-
// ❌ Falhou após 3 tentativas! Remove do cache para poder tentar depois
2000-
await this.cache.delete(cacheKey);
2001-
20021956
if (!messageSent && body.conversation?.id) {
20031957
this.onSendMessageError(instance, body.conversation?.id, error);
20041958
}
@@ -2331,7 +2285,7 @@ export class ChatwootService {
23312285

23322286
// Generic interactive message
23332287
return '📱 *Mensagem interativa*\n\n_Esta mensagem contém botões ou elementos interativos. Visualize no celular para interagir._';
2334-
} catch (error) {
2288+
} catch {
23352289
return '📱 *Mensagem interativa*\n\n_Esta mensagem contém elementos interativos. Visualize no celular._';
23362290
}
23372291
}
@@ -3415,7 +3369,7 @@ export class ChatwootService {
34153369
const totalImported = await chatwootImport.importHistoryMessages(instance, this, inbox, this.provider, false); // 🔧 Não mostra mensagens do bot no cron (silencioso)
34163370
const waInstance = this.waMonitor.waInstances[instance.instanceName];
34173371
waInstance.clearCacheChatwoot();
3418-
3372+
34193373
return totalImported || 0;
34203374
} catch {
34213375
return 0;

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