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fix(feishu): fall back to text when Interactive Card payload exceeds Feishu limit

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matevip 2026-05-20 10:13:47 +08:00
parent 3c3c2a938f
commit 56ab7b3095
1 changed files with 45 additions and 10 deletions
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55
mateclaw-server/src/main/java/vip/mate/channel/feishu/FeishuChannelAdapter.java
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@ -1411,12 +1411,15 @@ public class FeishuChannelAdapter extends AbstractChannelAdapter {
FeishuCardFormatter.ContentFormat fmt = FeishuCardFormatter.detect(content);
if ("always".equals(cardFormat) || fmt != FeishuCardFormatter.ContentFormat.PLAIN_TEXT) {
sendCard(targetId, FeishuCardFormatter.render(content, fmt));
} else {
splitTextForFeishu(content, MAX_TEXT_MESSAGE_CHARS)
.forEach(c -> sendOneTextChunk(targetId, c));
boolean preferCard = "always".equals(cardFormat) || fmt != FeishuCardFormatter.ContentFormat.PLAIN_TEXT;
if (preferCard) {
boolean sent = sendCard(targetId, FeishuCardFormatter.render(content, fmt));
if (sent) return;
// Card path bailed (oversized payload, null guard, or network error) —
// fall through to text so the user doesn't get nothing.
}
splitTextForFeishu(content, MAX_TEXT_MESSAGE_CHARS)
.forEach(c -> sendOneTextChunk(targetId, c));
}
private void sendOneTextChunk(String targetId, String content) {
@ -1447,19 +1450,45 @@ public class FeishuChannelAdapter extends AbstractChannelAdapter {
}
}
public void sendCard(String targetId, Map<String, Object> cardJson) {
/**
* Feishu rejects interactive messages whose {@code content} payload exceeds
* roughly 30 KB once stringified. We compare the serialized card against a
* slightly tighter ceiling and fall back to plain text rather than letting
* the request error out at the API.
*/
static final int MAX_CARD_CONTENT_BYTES = 30_000;
/**
* Posts an Interactive Card. Returns {@code true} when the card was sent
* (HTTP 2xx), {@code false} when a pre-flight check rejected the call
* (null inputs, channel stopped, payload oversized) or the HTTP request
* itself failed — letting {@link #sendMessage(String, String)} fall back
* to plain text instead of going silent.
*/
public boolean sendCard(String targetId, Map<String, Object> cardJson) {
if (httpClient == null) {
log.warn("[feishu] Channel not started, cannot send card");
return;
return false;
}
if (targetId == null || cardJson == null) {
log.warn("[feishu] sendCard called with null target or card");
return false;
}
ensureTokenValid();
String apiBase = getApiBaseUrl();
String receiveIdType = targetId.startsWith("ou_") ? "open_id" : "chat_id";
try {
String cardContent = objectMapper.writeValueAsString(cardJson);
int cardBytes = cardContent.getBytes(java.nio.charset.StandardCharsets.UTF_8).length;
if (cardBytes > MAX_CARD_CONTENT_BYTES) {
log.warn("[feishu] Card content {} bytes exceeds {} byte limit, falling back to text",
cardBytes, MAX_CARD_CONTENT_BYTES);
return false;
}
String jsonBody = objectMapper.writeValueAsString(Map.of(
"receive_id", targetId,
"msg_type", "interactive",
"content", objectMapper.writeValueAsString(cardJson)
"content", cardContent
));
HttpRequest request = HttpRequest.newBuilder()
.uri(URI.create(apiBase + "/open-apis/im/v1/messages?receive_id_type=" + receiveIdType))
@ -1470,11 +1499,13 @@ public class FeishuChannelAdapter extends AbstractChannelAdapter {
HttpResponse<String> response = httpClient.send(request, HttpResponse.BodyHandlers.ofString());
if (response.statusCode() != 200) {
log.warn("[feishu] Send card failed: status={}, body={}", response.statusCode(), response.body());
} else {
log.debug("[feishu] Card sent to {} (type={})", targetId, receiveIdType);
return false;
}
log.debug("[feishu] Card sent to {} (type={})", targetId, receiveIdType);
return true;
} catch (Exception e) {
log.error("[feishu] Failed to send card: {}", e.getMessage(), e);
return false;
}
}
@ -1483,6 +1514,10 @@ public class FeishuChannelAdapter extends AbstractChannelAdapter {
log.warn("[feishu] Channel not started, cannot update card");
return;
}
if (messageId == null || cardJson == null) {
log.warn("[feishu] updateCard called with null messageId or card");
return;
}
ensureTokenValid();
String apiBase = getApiBaseUrl();
try {