perf: cache total jokes!!

api/app/v1/app.go

@@ -44,21 +44,14 @@ func New() *fiber.App {
 		log.Fatal(err)
 	}
 
-	checkCache, err := core.CheckJokesCache(memory)
+	err = core.SetAllJSONJoke(db, memory)
 	if err != nil {
 		log.Fatalln(err)
 	}
-
+	err = core.SetTotalJoke(db, memory)
-	if !checkCache {
-		jokes, err := core.GetAllJSONJokes(db)
 	if err != nil {
 		log.Fatalln(err)
 	}
-		err = memory.Set("jokes", jokes)
-		if err != nil {
-			log.Fatalln(err)
-		}
-	}
 
 	app.Use(cors.New())
 	app.Use(etag.New())

api/app/v1/core/joke_getter.go

@@ -74,6 +74,19 @@ func CheckJokesCache(memory *bigcache.BigCache) (bool, error) {
 	return true, nil
 }
 
+// CheckTotalJokesCache literally does what the name is for
+func CheckTotalJokesCache(memory *bigcache.BigCache) (bool, error) {
+	_, err := memory.Get("total")
+	if err != nil {
+		if err.Error() == "Entry not found" {
+			return false, nil
+		}
+		return false, err
+	}
+
+	return true, nil
+}
+
 // GetCachedJokeByID returns a link string of a certain ID from cache.
 func GetCachedJokeByID(memory *bigcache.BigCache, id int) (string, error) {
 	jokes, err := memory.Get("jokes")
@@ -99,3 +112,16 @@ func GetCachedJokeByID(memory *bigcache.BigCache, id int) (string, error) {
 
 	return "", nil
 }
+
+// GetCachedTotalJokes
+func GetCachedTotalJokes(memory *bigcache.BigCache) (int, error) {
+	total, err := memory.Get("total")
+	if err != nil {
+		if err.Error() == "Entry not found" {
+			return 0, models.ErrNotFound
+		}
+		return 0, err
+	}
+
+	return int(total[0]), nil
+}

api/app/v1/core/joke_setter.go

@@ -0,0 +1,57 @@
+package core
+
+import (
+	"jokes-bapak2-api/app/v1/models"
+
+	"github.com/allegro/bigcache/v3"
+	"github.com/jackc/pgx/v4/pgxpool"
+	"github.com/pquerna/ffjson/ffjson"
+)
+
+// SetAllJSONJoke fetches jokes data from GetAllJSONJokes then set it to memory cache.
+func SetAllJSONJoke(db *pgxpool.Pool, memory *bigcache.BigCache) error {
+	jokes, err := GetAllJSONJokes(db)
+	if err != nil {
+		return err
+	}
+	err = memory.Set("jokes", jokes)
+	if err != nil {
+		return err
+	}
+	return nil
+}
+
+func SetTotalJoke(db *pgxpool.Pool, memory *bigcache.BigCache) error {
+	check, err := CheckJokesCache(memory)
+	if err != nil {
+		return err
+	}
+
+	if !check {
+		return models.ErrEmpty
+	}
+
+	err = SetAllJSONJoke(db, memory)
+	if err != nil {
+		return err
+	}
+
+	jokes, err := memory.Get("jokes")
+	if err != nil {
+		return err
+	}
+
+	var data []models.Joke
+	err = ffjson.Unmarshal(jokes, &data)
+	if err != nil {
+		return err
+	}
+
+	var total = []byte{byte(len(data))}
+	err = memory.Set("total", total)
+	if err != nil {
+		return err
+	}
+
+	return nil
+}

api/app/v1/handler/joke_add.go

@@ -27,11 +27,11 @@ func AddNewJoke(c *fiber.Ctx) error {
 		return err
 	}
 
-	jokes, err := core.GetAllJSONJokes(db)
+	err = core.SetAllJSONJoke(db, memory)
 	if err != nil {
 		return err
 	}
-	err = memory.Set("jokes", jokes)
+	err = core.SetTotalJoke(db, memory)
 	if err != nil {
 		return err
 	}

api/app/v1/handler/joke_delete.go

@@ -40,11 +40,11 @@ func DeleteJoke(c *fiber.Ctx) error {
 			return err
 		}
 
-		jokes, err := core.GetAllJSONJokes(db)
+		err = core.SetAllJSONJoke(db, memory)
 		if err != nil {
 			return err
 		}
-		err = memory.Set("jokes", jokes)
+		err = core.SetTotalJoke(db, memory)
 		if err != nil {
 			return err
 		}

api/app/v1/handler/joke_total.go

@@ -3,30 +3,27 @@ package handler
 import (
 	"jokes-bapak2-api/app/v1/core"
 	"jokes-bapak2-api/app/v1/models"
+	"log"
 	"strconv"
 
 	"github.com/gofiber/fiber/v2"
-	"github.com/pquerna/ffjson/ffjson"
 )
 
 func TotalJokes(c *fiber.Ctx) error {
-	checkCache, err := core.CheckJokesCache(memory)
+	checkTotal, err := core.CheckTotalJokesCache(memory)
 	if err != nil {
 		return err
 	}
 
-	if !checkCache {
+	if !checkTotal {
-		jokes, err := core.GetAllJSONJokes(db)
+		err = core.SetTotalJoke(db, memory)
-		if err != nil {
-			return err
-		}
-		err = memory.Set("jokes", jokes)
 		if err != nil {
 			return err
 		}
 	}
 
-	jokes, err := memory.Get("jokes")
+	total, err := memory.Get("total")
+	log.Println(err)
 	if err != nil {
 		if err.Error() == "Entry not found" {
 			return c.Status(fiber.StatusInternalServerError).JSON(models.Error{
@@ -36,14 +33,7 @@ func TotalJokes(c *fiber.Ctx) error {
 		return err
 	}
 
-	var data []models.Joke
-	err = ffjson.Unmarshal(jokes, &data)
-	if err != nil {
-		return err
-	}
-
-	dataLength := strconv.Itoa(len(data))
 	return c.Status(fiber.StatusOK).JSON(models.ResponseJoke{
-		Message: dataLength,
+		Message: strconv.Itoa(int(total[0])),
 	})
 }

api/app/v1/handler/joke_update.go

@@ -41,12 +41,11 @@ func UpdateJoke(c *fiber.Ctx) error {
 			return err
 		}
 
-		jokes, err := core.GetAllJSONJokes(db)
+		err = core.SetAllJSONJoke(db, memory)
 		if err != nil {
 			return err
 		}
-
+		err = core.SetTotalJoke(db, memory)
-		err = memory.Set("jokes", jokes)
 		if err != nil {
 			return err
 		}