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fix logging #23

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fix logging #23

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17 changes: 7 additions & 10 deletions main.go
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Original file line number Diff line number Diff line change
Expand Up @@ -23,7 +23,7 @@ func main() {
})

if err != nil {
log.StdInfo(context.Background(), nil, err, "Failed to start Log")
log.StdFatal(context.Background(), nil, err, "Failed to start Log")
}

http.HandleFunc("/", HelloHandler)
Expand All @@ -44,22 +44,19 @@ func HelloHandler(w http.ResponseWriter, r *http.Request) {

keys, ok := r.URL.Query()["product_id"]
if !ok {
log.StdFatal(ctx, nil, nil, "No product id supplied")
fmt.Fprint(w, "No product id supplied")
log.StdError(ctx, nil, errors.New("No product id supplied"), "[HelloHandler] No product id supplied")
return
}

// parse the product id
if len(keys) < 1 {
log.StdFatal(ctx, nil, nil, "No product id found")
fmt.Fprint(w, "No product id supplied")
log.StdError(ctx, nil, errors.New("No product id found"), "[HelloHandler] No product id found")
return
}

productID, err = strconv.Atoi(keys[0])
if err != nil {
log.StdFatalf(ctx, nil, nil, "Product id not valid %s", keys[0])
fmt.Fprint(w, "No product id supplied")
log.StdError(ctx, nil, err, fmt.Sprintf("[HelloHandler] Product id is not valid. value: %s", keys[0]))
return
}

Expand All @@ -68,13 +65,11 @@ func HelloHandler(w http.ResponseWriter, r *http.Request) {

product, err := GetProductFromDB(ctx, productID)
if err != nil {
fmt.Fprint(w, "Invalid id")
return
}

err = CalculateDiscount(ctx, product)
if err != nil {
fmt.Fprint(w, "Invalid id")
return
}

Expand All @@ -84,6 +79,7 @@ func HelloHandler(w http.ResponseWriter, r *http.Request) {
func GetProductFromDB(ctx context.Context, id int) (*external.Product, error) {
var result external.Product
if id < 1 {
log.StdError(ctx, nil, errors.New("Product id Invalid"), fmt.Sprintf("[GetProductFromDB] ProductID is Invalid"))
return nil, errors.New("Product id Invalid")
}

Expand All @@ -95,9 +91,10 @@ func GetProductFromDB(ctx context.Context, id int) (*external.Product, error) {
func CalculateDiscount(ctx context.Context, p *external.Product) error {
if p.Stock%2 == 0 {
p.Discount = 20
log.StdError(ctx, p, nil, "User get 20 discount")
log.StdDebug(ctx, p, nil, fmt.Sprintf("[CalculateDiscount] User get %d discount", p.Discount))
} else {
p.Discount = 0
}

return nil
}