pref: language type list support cache

Author: kentzhu

go.mod

@@ -26,6 +26,7 @@ require (
 	github.com/mattn/go-isatty v0.0.19 // indirect
 	github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
 	github.com/modern-go/reflect2 v1.0.2 // indirect
+	github.com/patrickmn/go-cache v2.1.0+incompatible // indirect
 	github.com/pelletier/go-toml/v2 v2.0.8 // indirect
 	github.com/twitchyliquid64/golang-asm v0.15.1 // indirect
 	github.com/ugorji/go/codec v1.2.11 // indirect

go.sum

@@ -50,6 +50,8 @@ github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd h1:TRLaZ9cD/w
 github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd/go.mod h1:6dJC0mAP4ikYIbvyc7fijjWJddQyLn8Ig3JB5CqoB9Q=
 github.com/modern-go/reflect2 v1.0.2 h1:xBagoLtFs94CBntxluKeaWgTMpvLxC4ur3nMaC9Gz0M=
 github.com/modern-go/reflect2 v1.0.2/go.mod h1:yWuevngMOJpCy52FWWMvUC8ws7m/LJsjYzDa0/r8luk=
+github.com/patrickmn/go-cache v2.1.0+incompatible h1:HRMgzkcYKYpi3C8ajMPV8OFXaaRUnok+kx1WdO15EQc=
+github.com/patrickmn/go-cache v2.1.0+incompatible/go.mod h1:3Qf8kWWT7OJRJbdiICTKqZju1ZixQ/KpMGzzAfe6+WQ=
 github.com/pelletier/go-toml/v2 v2.0.8 h1:0ctb6s9mE31h0/lhu+J6OPmVeDxJn+kYnJc2jZR9tGQ=
 github.com/pelletier/go-toml/v2 v2.0.8/go.mod h1:vuYfssBdrU2XDZ9bYydBu6t+6a6PYNcZljzZR9VXg+4=
 github.com/playwright-community/playwright-go v0.4201.1 h1:fFX/02r3wrL+8NB132RcduR0lWEofxRDJEKuln+9uMQ=

internal/handles/list_language_handle.go

@@ -1,21 +1,17 @@
 package handles
 
 import (
-	"sync"
 	"time"
 
 	"github.com/lessapidev/lessapi-duckduckgo/internal/searchs"
 	"github.com/lessapidev/lessapi-duckduckgo/internal/types"
 	"github.com/lessapidev/lessapi-duckduckgo/internal/utils"
 
 	"github.com/gin-gonic/gin"
+	"github.com/patrickmn/go-cache"
 )
 
-type languagesCache struct {
-	languages []types.LanguageType
-	ttl       time.Duration
-	lock      sync.RWMutex
-}
+var languagesCache = cache.New(5*time.Minute, 10*time.Minute)
 
 // ListLanguageHandle list all language types
 func ListLanguageHandle(c *gin.Context) {
@@ -26,13 +22,26 @@ func ListLanguageHandle(c *gin.Context) {
 		return
 	}
 
+	// get from cache
+	languages, found := languagesCache.Get("languages")
+	if found {
+		c.JSON(200, utils.BuildApiSuccessData(types.ListLanguageResponse{
+			Languages: languages.([]types.LanguageType),
+		}))
+		return
+	}
+
 	// search text
 	resp, err := searchs.ListLanguage(payload)
 	if err != nil {
 		c.JSON(200, utils.BuildApiError("search_error", err.Error()))
 		return
 	}
 
+	if len(resp.Languages) > 0 {
+		languagesCache.Set("languages", resp.Languages, cache.DefaultExpiration)
+	}
+
 	// return response
 	c.JSON(200, utils.BuildApiSuccessData(resp))
 }