feat(规则): 支持同一事件多规则按条件区分并全部发送
Motivation: 止盈、止损等不同策略信号会映射到同一事件(如 trade.close),但原有唯一约束要求每个事件只能有一条规则,无法按策略区分处理。放开该约束后,同一事件可配置多条规则,通过规则条件与精确/通配优先级区分,命中条件的规则全部发送;同时将去重键从消息原文改为信号维度,避免同一信号因时间戳等无关字段差异被误判为重复。 Changes: * 移除规则 source_id+event 的唯一约束,改为普通索引 * 事件匹配改为返回命中优先级内所有启用规则,并按 ID 逐条派发 * 通知服务遍历多条规则,按条件过滤后聚合发送渠道 * 去重键由消息 body 哈希改为策略/币种/周期/方向/价格信号维度哈希
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@@ -54,7 +54,7 @@ func (s *Store) GetRule(ctx context.Context, id int) (*model.Rule, error) {
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func (s *Store) GetRuleBySourceEvent(ctx context.Context, sourceID int, event string) (*model.Rule, error) {
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var r model.Rule
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var condsBytes []byte
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query := `SELECT id, name, source_id, event, template_id, conditions, enabled, created_at, updated_at FROM notification_rule WHERE source_id = ? AND event = ? AND enabled = 1`
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query := `SELECT id, name, source_id, event, template_id, conditions, enabled, created_at, updated_at FROM notification_rule WHERE source_id = ? AND event = ? AND enabled = 1 ORDER BY id LIMIT 1`
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row := s.DB.QueryRowContext(ctx, query, sourceID, event)
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if err := row.Scan(&r.ID, &r.Name, &r.SourceID, &r.Event, &r.TemplateID, &condsBytes, &r.Enabled, &r.CreatedAt, &r.UpdatedAt); err != nil {
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return nil, fmt.Errorf("get rule by source+event: %w", err)
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