integrate bigcache package to banners, brands & product categories

.vscode/dryrun.log

@@ -2,6 +2,5 @@ make --dry-run --always-make --keep-going --print-directory
 make: Entering directory `/Users/kervin/Documents/kin-api'
 echo 'Usage:'
 sed -n 's/^##//p'  Makefile .envrc | column -t -s ':' | sed -e 's/^/ /'
-
 make: Leaving directory `/Users/kervin/Documents/kin-api'
 

.vscode/targets.log

@@ -10,7 +10,7 @@ make all --print-data-base --no-builtin-variables --no-builtin-rules --question
 make: *** No rule to make target `all'.  Stop.
 
 
-# Make data base, printed on Tue Jun 14 19:35:41 2022
+# Make data base, printed on Thu Jun 16 10:17:02 2022
 
 # Variables
 
@@ -47,7 +47,7 @@ __CFBundleIdentifier = com.microsoft.VSCode
 # environment
 INFOPATH = /opt/homebrew/share/info:
 # environment
-VSCODE_IPC_HOOK_EXTHOST = /var/folders/48/vg8936dx17j9pqslg2hm5h_c0000gn/T/vscode-ipc-e2ea059a-d5ef-411e-b82a-6becfbb36b6f.sock
+VSCODE_IPC_HOOK_EXTHOST = /var/folders/48/vg8936dx17j9pqslg2hm5h_c0000gn/T/vscode-ipc-93367032-61ed-46e7-a747-686d1f42b047.sock
 # environment
 VSCODE_CWD = /
 # environment
@@ -89,7 +89,7 @@ HOME = /Users/kervin
 # default
 MAKEFILEPATH = $(shell /usr/bin/xcode-select -print-path 2>/dev/null || echo /Developer)/Makefiles
 # environment
-VSCODE_CODE_CACHE_PATH = /Users/kervin/Library/Application Support/Code/CachedData/c3511e6c69bb39013c4a4b7b9566ec1ca73fc4d5
+VSCODE_CODE_CACHE_PATH = /Users/kervin/Library/Application Support/Code/CachedData/4af164ea3a06f701fe3e89a2bcbb421d2026b68f
 # environment
 LOGNAME = kervin
 # environment
@@ -125,15 +125,15 @@ TMPDIR = /var/folders/48/vg8936dx17j9pqslg2hm5h_c0000gn/T/
 # automatic
 *F = $(notdir $*)
 # environment
-VSCODE_IPC_HOOK = /Users/kervin/Library/Application Support/Code/1.67.2-main.sock
+VSCODE_IPC_HOOK = /Users/kervin/Library/Application Support/Code/1.68.0-main.sock
 # makefile
 MAKEFLAGS = Rrqp
 # environment
 MFLAGS = -Rrqp
 # automatic
 *D = $(patsubst %/,%,$(dir $*))
 # environment
-XPC_SERVICE_NAME = application.com.microsoft.VSCode.8184449.8184455
+XPC_SERVICE_NAME = application.com.microsoft.VSCode.9477782.9477788
 # environment
 HOMEBREW_PREFIX = /opt/homebrew
 # automatic
@@ -171,11 +171,10 @@ MAKELEVEL := 0
 # environment
 LANG = C
 # environment
-VSCODE_PID = 6564
+VSCODE_PID = 86867
 # makefile (from `.envrc', line 10)
 XENDIT_CALLBACK_VERIFICATION_TOKEN = b8f54fc11fafd8b69cb9bb4f37c2be27307a7e30a91e8a477a3986fadd672967
 # variable set hash-table stats:
-
 # Load=80/1024=8%, Rehash=0, Collisions=4/106=4%
 
 # Pattern-specific Variable Values
@@ -301,6 +300,7 @@ db/psql:
 #  Implicit rule search has not been done.
 #  File does not exist.
 #  File has not been updated.
+
 #  commands to execute (from `Makefile', line 29):
 	psql ${DB_DSN}
 
@@ -340,7 +340,6 @@ run/api:
 #  File does not exist.
 #  File has not been updated.
 #  commands to execute (from `Makefile', line 24):
-
 	go run ./cmd/api -db-dsn=${DB_DSN}
 
 
@@ -354,6 +353,7 @@ vendor:
 	go mod tidy
 	go mod verify
 	@echo 'Vendoring dependencies...'
+
 	go mod vendor
 
 
@@ -370,6 +370,6 @@ vendor:
 # strcache size: total = 4096 / max = 4096 / min = 4096 / avg = 4096
 # strcache free: total = 4080 / max = 4080 / min = 4080 / avg = 4080
 
-# Finished Make data base on Tue Jun 14 19:35:41 2022
+# Finished Make data base on Thu Jun 16 10:17:02 2022
 
 

cmd/api/banners.go

@@ -1,6 +1,7 @@
 package main
 
 import (
+	"encoding/json"
 	"errors"
 	"fmt"
 	"net/http"
@@ -202,12 +203,33 @@ func (app *application) deleteBannerHandler(w http.ResponseWriter, r *http.Reque
 // ====================================================================================
 
 func (app *application) getBannersHandler(w http.ResponseWriter, r *http.Request) {
+	entry, _ := app.cache.Get("GET_BANNERS_API")
+	if entry != nil {
+		var e any
+		err := json.Unmarshal(entry, &e)
+		if err != nil {
+			if err != nil {
+				app.serverErrorResponse(w, r, err)
+				return
+			}
+		}
+
+		err = app.writeJSON(w, http.StatusOK, http.StatusText(http.StatusOK), e, nil)
+		if err != nil {
+			app.serverErrorResponse(w, r, err)
+		}
+		return
+	}
+
 	banners, err := app.models.Banners.GetAPI()
 	if err != nil {
 		app.serverErrorResponse(w, r, err)
 		return
 	}
 
+	b, _ := json.Marshal(banners)
+	app.cache.Set("GET_BANNERS_API", b)
+
 	err = app.writeJSON(w, http.StatusOK, http.StatusText(http.StatusOK), banners, nil)
 	if err != nil {
 		app.serverErrorResponse(w, r, err)

cmd/api/brands.go

@@ -1,6 +1,7 @@
 package main
 
 import (
+	"encoding/json"
 	"errors"
 	"fmt"
 	"net/http"
@@ -221,13 +222,33 @@ func (app *application) deleteBrandHandler(w http.ResponseWriter, r *http.Reques
 // ====================================================================================
 
 func (app *application) getBrandsHandler(w http.ResponseWriter, r *http.Request) {
-	brands, err := app.gorm.Brands.GetAPI()
+	entry, _ := app.cache.Get("GET_BRANDS_API")
+	if entry != nil {
+		var e any
+		err := json.Unmarshal(entry, &e)
+		if err != nil {
+			if err != nil {
+				app.serverErrorResponse(w, r, err)
+				return
+			}
+		}
 
+		err = app.writeJSON(w, http.StatusOK, http.StatusText(http.StatusOK), e, nil)
+		if err != nil {
+			app.serverErrorResponse(w, r, err)
+		}
+		return
+	}
+
+	brands, err := app.gorm.Brands.GetAPI()
 	if err != nil {
 		app.serverErrorResponse(w, r, err)
 		return
 	}
 
+	b, _ := json.Marshal(brands)
+	app.cache.Set("GET_BRANDS_API", b)
+
 	err = app.writeJSON(w, http.StatusOK, http.StatusText(http.StatusOK), brands, nil)
 	if err != nil {
 		app.serverErrorResponse(w, r, err)

cmd/api/main.go

@@ -15,6 +15,7 @@ import (
 	"gorm.io/driver/postgres"
 	"gorm.io/gorm"
 
+	"github.com/allegro/bigcache/v3"
 	"github.com/kervinch/internal/data"
 	"github.com/kervinch/internal/jsonlog"
 	"github.com/kervinch/internal/mailer"
@@ -69,6 +70,7 @@ type application struct {
 	wg     sync.WaitGroup
 	s3     s3.S3
 	xendit xendit.Xendit
+	cache  bigcache.BigCache
 }
 
 func main() {
@@ -131,6 +133,8 @@ func main() {
 		return time.Now().Unix()
 	}))
 
+	bigcache, _ := bigcache.NewBigCache(bigcache.DefaultConfig(5 * time.Hour))
+
 	// Declare an instance of the application struct, containing the config struct and the logger.
 	app := &application{
 		config: cfg,
@@ -140,6 +144,7 @@ func main() {
 		mailer: mailer.New(cfg.smtp.host, cfg.smtp.port, cfg.smtp.username, cfg.smtp.password, cfg.smtp.sender),
 		s3:     s3.New("kin-public"),
 		xendit: xendit.New(os.Getenv("XENDIT_SECRET_KEY")),
+		cache:  *bigcache,
 	}
 
 	err = app.serve()

cmd/api/product_categories.go

@@ -1,6 +1,7 @@
 package main
 
 import (
+	"encoding/json"
 	"errors"
 	"fmt"
 	"net/http"
@@ -237,12 +238,33 @@ func (app *application) deleteProductCategoryHandler(w http.ResponseWriter, r *h
 // ====================================================================================
 
 func (app *application) getProductCategoriesHandler(w http.ResponseWriter, r *http.Request) {
+	entry, _ := app.cache.Get("GET_PRODUCT_CATEGORIES_API")
+	if entry != nil {
+		var e any
+		err := json.Unmarshal(entry, &e)
+		if err != nil {
+			if err != nil {
+				app.serverErrorResponse(w, r, err)
+				return
+			}
+		}
+
+		err = app.writeJSON(w, http.StatusOK, http.StatusText(http.StatusOK), e, nil)
+		if err != nil {
+			app.serverErrorResponse(w, r, err)
+		}
+		return
+	}
+
 	productCategories, err := app.gorm.ProductCategories.GetAPI()
 	if err != nil {
 		app.serverErrorResponse(w, r, err)
 		return
 	}
 
+	pc, _ := json.Marshal(productCategories)
+	app.cache.Set("GET_PRODUCT_CATEGORIES_API", pc)
+
 	err = app.writeJSON(w, http.StatusOK, http.StatusText(http.StatusOK), productCategories, nil)
 	if err != nil {
 		app.serverErrorResponse(w, r, err)

go.mod

@@ -3,6 +3,7 @@ module github.com/kervinch
 go 1.18
 
 require (
+	github.com/allegro/bigcache/v3 v3.0.2
 	github.com/aws/aws-sdk-go v1.43.24
 	github.com/felixge/httpsnoop v1.0.2
 	github.com/go-mail/mail/v2 v2.3.0

go.sum

@@ -1,6 +1,8 @@
 github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
 github.com/Masterminds/semver/v3 v3.1.1 h1:hLg3sBzpNErnxhQtUy/mmLR2I9foDujNK030IGemrRc=
 github.com/Masterminds/semver/v3 v3.1.1/go.mod h1:VPu/7SZ7ePZ3QOrcuXROw5FAcLl4a0cBrbBpGY/8hQs=
+github.com/allegro/bigcache/v3 v3.0.2 h1:AKZCw+5eAaVyNTBmI2fgyPVJhHkdWder3O9IrprcQfI=
+github.com/allegro/bigcache/v3 v3.0.2/go.mod h1:aPyh7jEvrog9zAwx5N7+JUQX5dZTSGpxF1LAR4dr35I=
 github.com/aws/aws-sdk-go v1.43.24 h1:7c2PniJ0wpmWsIA6OtYBw6wS7DF0IjbhvPq+0ZQYNXw=
 github.com/aws/aws-sdk-go v1.43.24/go.mod h1:y4AeaBuwd2Lk+GepC1E9v0qOiTws0MIWAX4oIKwKHZo=
 github.com/cockroachdb/apd v1.1.0 h1:3LFP3629v+1aKXU5Q37mxmRxX/pIu1nijXydLShEq5I=