add cron job to sync currencies once in 24 hours

pkg/job/currency.go

@@ -0,0 +1,52 @@
+package job
+
+import (
+	"context"
+	"log"
+	"wallet-api/pkg/service"
+	"wallet-api/pkg/utl/common"
+
+	"github.com/go-co-op/gocron"
+)
+
+type CurrencyController struct {
+	service   *service.CurrencyService
+	logger    *log.Logger
+	scheduler *gocron.Scheduler
+}
+
+/*
+NewCurrencyJob
+
+Initializes CurrencyJob.
+
+	Args:
+		*services.CurrencyService: Currency service
+		*gin.RouterGroup: Gin Router Group
+	Returns:
+		*CurrencyJob: Job for "Currency" route interactions
+*/
+func NewCurrencyJob(as *service.CurrencyService, scheduler *gocron.Scheduler, logger *log.Logger) *CurrencyController {
+	currencyScheduler := scheduler.Tag("currency")
+
+	wc := &CurrencyController{
+		service:   as,
+		logger:    logger,
+		scheduler: currencyScheduler,
+	}
+
+	_, err := currencyScheduler.Every(1).Days().Do(wc.Sync)
+	common.CheckError(err)
+	currencyScheduler.StartAsync()
+
+	log.Println("CurrencyJob started")
+
+	return wc
+}
+
+func (wc *CurrencyController) Sync() {
+	wc.logger.Println("CurrencyJob: Syncing currencies")
+	ctx := context.Background()
+	wc.service.Sync(ctx)
+	wc.logger.Println("CurrencyJob: Syncing currencies done")
+}

pkg/job/job.go

@@ -0,0 +1,33 @@
+package job
+
+import (
+	"log"
+	"os"
+	"wallet-api/pkg/service"
+	"wallet-api/pkg/utl/common"
+
+	"go.uber.org/dig"
+)
+
+/*
+InitializeJobs
+
+Initializes Dependency Injection modules and registers Jobs
+
+	Args:
+		*dig.Container: Dig Container
+*/
+func InitializeJobs(c *dig.Container) {
+	file, err := os.OpenFile("job.log", os.O_APPEND|os.O_CREATE|os.O_WRONLY, 0666)
+	common.CheckError(err)
+	logger := log.New(file, "Job: ", log.Ldate|log.Ltime|log.Lshortfile)
+
+	jobContainer := c.Scope("job")
+	jobContainer.Provide(func() *log.Logger {
+		return logger
+	})
+
+	service.InitializeServices(jobContainer)
+
+	jobContainer.Invoke(NewCurrencyJob)
+}