收口微信领域能力
将 api-server 微信 HTTP/BFF 适配统一迁移到 wechat 目录。 将微信支付和虚拟支付消息协议细节下沉到 platform-wechat。 拆分 platform-wechat 的订阅消息与支付模块并补齐依赖。 修正微信相关测试的用户 ID 夹具并同步后端架构文档。
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kdletters
246
server-rs/crates/api-server/src/wechat/subscribe_message.rs
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246
server-rs/crates/api-server/src/wechat/subscribe_message.rs
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use std::collections::BTreeMap;
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use axum::http::StatusCode;
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use platform_wechat::WechatSubscribeMessageRequest;
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use time::{OffsetDateTime, UtcOffset};
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use tracing::{info, warn};
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use crate::{http_error::AppError, platform_errors::map_wechat_error, state::AppState};
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const GENERATION_RESULT_TASK_NAME: &str = "AI创作生成";
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const DEFAULT_WORK_NAME: &str = "AI创作作品";
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#[derive(Clone, Copy, Debug, PartialEq, Eq)]
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pub enum GenerationResultSubscribeMessageStatus {
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Succeeded,
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Failed,
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}
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#[derive(Clone, Debug)]
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pub struct GenerationResultSubscribeMessage {
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pub owner_user_id: String,
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pub task_name: Option<String>,
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pub work_name: Option<String>,
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pub status: GenerationResultSubscribeMessageStatus,
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pub consumed_points: u64,
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pub completed_at_micros: i64,
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pub page: Option<String>,
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}
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pub async fn send_generation_result_subscribe_message_after_completion(
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state: &AppState,
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message: GenerationResultSubscribeMessage,
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) {
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if let Err(error) = send_generation_result_subscribe_message(state, message).await {
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warn!(
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error = %error,
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"微信小程序生成结果订阅消息发送失败，已忽略"
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);
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}
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}
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async fn send_generation_result_subscribe_message(
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state: &AppState,
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message: GenerationResultSubscribeMessage,
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) -> Result<(), AppError> {
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if !state.config.wechat_mini_program_subscribe_message_enabled {
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return Ok(());
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}
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let template_id = state
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.config
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.wechat_mini_program_generation_result_template_id
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.as_deref()
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.map(str::trim)
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.filter(|value| !value.is_empty())
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.ok_or_else(|| {
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AppError::from_status(StatusCode::SERVICE_UNAVAILABLE)
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.with_message("微信订阅消息模板 ID 未配置")
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})?;
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let user = state
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.auth_user_service()
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.get_user_by_id(&message.owner_user_id)
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.map_err(|error| {
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AppError::from_status(StatusCode::INTERNAL_SERVER_ERROR)
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.with_message(format!("读取微信订阅消息用户失败：{error}"))
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})?
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.ok_or_else(|| {
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AppError::from_status(StatusCode::NOT_FOUND).with_message("微信订阅消息用户不存在")
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})?;
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let openid = user
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.wechat_account
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.as_deref()
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.map(str::trim)
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.filter(|value| !value.is_empty())
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.ok_or_else(|| {
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AppError::from_status(StatusCode::BAD_REQUEST)
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.with_message("用户未绑定微信小程序 openid")
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})?;
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state
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.wechat_client()
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.send_subscribe_message(WechatSubscribeMessageRequest {
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touser: openid.to_string(),
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template_id: template_id.to_string(),
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page: message
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.page
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.clone()
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.or_else(|| Some("/pages/web-view/index".to_string())),
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miniprogram_state: Some(
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normalize_miniprogram_state(
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&state.config.wechat_mini_program_subscribe_message_state,
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)
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.to_string(),
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),
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lang: Some("zh_CN".to_string()),
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data: build_generation_result_template_data(&message),
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})
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.await
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.map_err(map_wechat_error)?;
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info!(
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owner_user_id = %message.owner_user_id,
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template_id,
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"微信小程序生成结果订阅消息已发送"
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);
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Ok(())
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}
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fn build_generation_result_template_data(
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message: &GenerationResultSubscribeMessage,
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) -> BTreeMap<String, String> {
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BTreeMap::from([
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(
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"thing1".to_string(),
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truncate_template_value(
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message
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.task_name
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.as_deref()
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.unwrap_or(GENERATION_RESULT_TASK_NAME),
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20,
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),
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),
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(
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"phrase2".to_string(),
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truncate_template_value(message.status.template_status_label(), 5),
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),
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(
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"time4".to_string(),
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truncate_template_value(
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&format_generation_completed_time(message.completed_at_micros),
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20,
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),
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),
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(
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"thing5".to_string(),
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truncate_template_value(
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message.work_name.as_deref().unwrap_or(DEFAULT_WORK_NAME),
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20,
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),
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),
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(
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"number6".to_string(),
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truncate_template_value(&message.consumed_points.to_string(), 32),
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),
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])
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}
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impl GenerationResultSubscribeMessageStatus {
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fn template_status_label(self) -> &'static str {
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match self {
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Self::Succeeded => "已完成",
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Self::Failed => "生成失败",
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}
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}
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}
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fn truncate_template_value(value: &str, max_chars: usize) -> String {
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let trimmed = value.trim();
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let mut result = String::new();
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for character in trimmed.chars().take(max_chars) {
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result.push(character);
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}
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if result.is_empty() {
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DEFAULT_WORK_NAME.to_string()
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} else {
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result
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}
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}
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fn format_generation_completed_time(completed_at_micros: i64) -> String {
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let seconds = completed_at_micros.div_euclid(1_000_000);
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let Ok(utc_time) = OffsetDateTime::from_unix_timestamp(seconds) else {
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return "1970-01-01 08:00".to_string();
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};
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let beijing_offset = UtcOffset::from_hms(8, 0, 0).unwrap_or(UtcOffset::UTC);
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let local_time = utc_time.to_offset(beijing_offset);
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format!(
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"{:04}-{:02}-{:02} {:02}:{:02}",
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local_time.year(),
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u8::from(local_time.month()),
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local_time.day(),
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local_time.hour(),
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local_time.minute()
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)
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}
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fn normalize_miniprogram_state(value: &str) -> &'static str {
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match value.trim().to_ascii_lowercase().as_str() {
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"developer" | "develop" | "dev" => "developer",
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"trial" => "trial",
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_ => "formal",
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}
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}
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#[cfg(test)]
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mod tests {
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use super::*;
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#[test]
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fn failed_generation_result_template_uses_failed_status_and_zero_points() {
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let data = build_generation_result_template_data(&GenerationResultSubscribeMessage {
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owner_user_id: "user-1".to_string(),
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task_name: Some("拼图".to_string()),
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work_name: Some("首关拼图".to_string()),
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status: GenerationResultSubscribeMessageStatus::Failed,
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consumed_points: 0,
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completed_at_micros: 1_762_000_000_000_000,
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page: None,
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});
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assert_eq!(data.get("phrase2").map(String::as_str), Some("生成失败"));
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assert_eq!(data.get("number6").map(String::as_str), Some("0"));
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}
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#[test]
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fn generation_result_template_time_uses_wechat_time_format() {
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let data = build_generation_result_template_data(&GenerationResultSubscribeMessage {
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owner_user_id: "user-1".to_string(),
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task_name: Some("拼图".to_string()),
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work_name: Some("首关拼图".to_string()),
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status: GenerationResultSubscribeMessageStatus::Succeeded,
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consumed_points: 15,
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completed_at_micros: 0,
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page: None,
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});
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assert_eq!(
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data.get("time4").map(String::as_str),
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Some("1970-01-01 08:00")
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);
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}
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#[test]
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fn generation_result_template_uses_task_template_name() {
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let data = build_generation_result_template_data(&GenerationResultSubscribeMessage {
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owner_user_id: "user-1".to_string(),
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task_name: Some("敲木鱼".to_string()),
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work_name: Some("功德木鱼".to_string()),
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status: GenerationResultSubscribeMessageStatus::Succeeded,
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consumed_points: 10,
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completed_at_micros: 0,
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page: None,
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});
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assert_eq!(data.get("thing1").map(String::as_str), Some("敲木鱼"));
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}
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}
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