ryan
de7a52e81f
Motivation: 通知规则的事件名此前仅支持精确匹配，无法用一条规则覆盖多类事件（如 trade.* 下的全部交易事件），规则配置维护成本高。本次引入通配符匹配，让规则可按模式批量命中事件，同时保证精确规则优先。 Changes: * 事件名支持 * 和 ? 通配符匹配 * 匹配优先级：精确匹配 > 更具体的通配 > 泛匹配，同分时取更小 ID * 精确命中未命中时回退为列出源下启用规则并按优先级挑选 * 抽取缓存预热逻辑为独立方法 * 更新文档说明事件名通配规则
56 lines
1.1 KiB
Go
56 lines
1.1 KiB
Go
package engine
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import (
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"path"
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"strings"
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"aiaa-notification-service/internal/model"
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)
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// PickEventRule selects the best enabled rule for an event.
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// Exact event wins; otherwise glob patterns (* and ?) via path.Match.
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// Among globs, more literal characters win; ties go to the smaller ID.
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func PickEventRule(event string, rules []model.Rule) *model.Rule {
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var exact *model.Rule
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var best *model.Rule
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bestScore := -1
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for i := range rules {
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r := &rules[i]
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if r.Enabled == 0 {
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continue
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}
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if r.Event == event {
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if exact == nil || r.ID < exact.ID {
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exact = r
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}
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continue
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}
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if !strings.ContainsAny(r.Event, "*?") {
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continue
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}
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ok, err := path.Match(r.Event, event)
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if err != nil || !ok {
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continue
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}
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score := globSpecificity(r.Event)
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if score > bestScore || (score == bestScore && (best == nil || r.ID < best.ID)) {
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bestScore = score
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best = r
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}
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}
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if exact != nil {
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return exact
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}
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return best
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}
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func globSpecificity(pattern string) int {
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n := 0
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for _, r := range pattern {
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if r != '*' && r != '?' {
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n++
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}
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}
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return n
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}
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