add trim_suffix/prefix functions to match syntax

mylxsw · Sep 5, 2020 · acc2be0 · acc2be0
1 parent 40f2994
commit acc2be0
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Showing 2 changed files with 15 additions and 2 deletions.
diff --git a/dashboard/src/views/RuleEdit.vue b/dashboard/src/views/RuleEdit.vue
@@ -429,7 +429,9 @@ let helpers = {
         {text: "Now()", displayText: "Now() time.Time  | 当前时间"},
         {text: "ParseTime(LAYOUT, VALUE)", displayText: "ParseTime(layout string, value string) time.Time | 时间字符串转时间对象"},
         {text: "DailyTimeBetween(START_TIME_STR, END_TIME_STR)", displayText: "DailyTimeBetween(startTime, endTime string) bool  | 判断当前时间是否在 startTime 和 endTime 之间（每天），时间格式为 15:04"},
-        {text: 'SQLFinger(SQL_STR) SQL_STR', displayText: "SQLFinger(sqlStr string) string | 创建 SQL 指纹"}
+        {text: 'SQLFinger(SQL_STR)', displayText: "SQLFinger(sqlStr string) string | 创建 SQL 指纹"},
+        {text: 'TrimSuffix(STR, SUFFIX)', displayText: 'TrimSuffix(str, suffix string) string | 去除字符串后缀'},
+        {text: 'TrimPrefix(STR, PREFIX)', displayText: 'TrimPrefix(str, prefix string) string | 去除字符串前缀'},
     ],
     templates: [
         {text: '.Messages MESSAGE_COUNT', displayText: 'Messages(limit int64) []repository.Message | 从分组中获取 MESSAGE_COUNT 个 Message'},

diff --git a/internal/matcher/rule.go b/internal/matcher/rule.go
@@ -56,4 +56,15 @@ func (Helpers) ParseTime(layout string, value string) time.Time {
 // SQLFinger 将 SQL 转换为其指纹
 func (Helpers) SQLFinger(sqlStr string) string {
 	return parser.Normalize(sqlStr)
-}
+}
+
+// TrimSuffix 字符串去除后缀
+func (Helpers) TrimSuffix(s, suffix string) string {
+	return strings.TrimSuffix(s, suffix)
+}
+
+// TrimPrefix 字符串去除前缀
+func (Helpers) TrimPrefix(s, prefix string) string {
+	return strings.TrimPrefix(s, prefix)
+}
+