MVP for custom rules support

models/customrule.go

@@ -0,0 +1,18 @@
+package models
+
+
+type CustomRule struct {
+	ID             uint       `json:"id" gorm:"primary_key"`
+	User           *User      `json:"-" gorm:"not null"`
+	UserID         string     `json:"-" gorm:"not null; index:idx_customrule_user"`
+	Extension      string     `json:"extension"`
+	Language       string     `json:"language"`
+}
+
+func validateLanguage(language string) bool {
+	return len(language) >= 1
+}
+
+func validateExtension(extension string) bool {
+	return len(extension) >= 2
+}

models/heartbeat.go

@@ -1,6 +1,7 @@
 package models
 
 import (
+	"fmt"
 	"regexp"
 	"time"
 )
@@ -27,19 +28,13 @@ func (h *Heartbeat) Valid() bool {
 	return h.User != nil && h.UserID != "" && h.Time != CustomTime(time.Time{})
 }
 
-func (h *Heartbeat) Augment(customLangs map[string]string) {
-	if h.Language == "" {
-		if h.languageRegex == nil {
-			h.languageRegex = regexp.MustCompile(`^.+\.(.+)$`)
-		}
-		groups := h.languageRegex.FindAllStringSubmatch(h.Entity, -1)
-		if len(groups) == 0 || len(groups[0]) != 2 {
+func (h *Heartbeat) Augment(customRules []*CustomRule) {
+	for _, lang := range customRules {
+		reg := fmt.Sprintf(".*%s$", lang.Extension)
+		match, err := regexp.MatchString(reg, h.Entity)
+		if match && err == nil {
+			h.Language = lang.Language
 			return
 		}
-		ending := groups[0][1]
-		if _, ok := customLangs[ending]; !ok {
-			return
-		}
-		h.Language, _ = customLangs[ending]
 	}
 }