/
request.go
155 lines (115 loc) · 3.69 KB
/
request.go
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package repository
import (
"bytes"
"context"
"encoding/json"
"fmt"
"io"
"net/http"
"os"
"github.com/lffranca/opentelemetry/internal/gotel"
"github.com/lffranca/opentelemetry/pkg/domain"
"go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp"
"go.opentelemetry.io/otel/trace"
)
type GenericRequestImpl[T domain.GenericResource] struct {
Resource T
}
func (pkg *GenericRequestImpl[T]) List(ctx context.Context, offset, limit int) (items []T, total int, err error) {
_, span := gotel.Tracer.Start(ctx, fmt.Sprintf("%s_repository_list", pkg.Resource.GetResource()))
defer span.End()
var data []byte
var item T
var pagination domain.Pagination[T]
data, err = pkg.request(ctx, http.MethodGet, "", item)
if err != nil {
return nil, 0, err
}
if err = json.Unmarshal(data, &pagination); err != nil {
return nil, 0, err
}
return pagination.Results, pagination.Total, nil
}
func (pkg *GenericRequestImpl[T]) Search(ctx context.Context, text string, offset, limit int) (items []T, total int, err error) {
_, span := gotel.Tracer.Start(ctx, fmt.Sprintf("%s_repository_search", pkg.Resource.GetResource()))
defer span.End()
var data []byte
var item T
var pagination domain.Pagination[T]
data, err = pkg.request(ctx, http.MethodGet, fmt.Sprintf("/search/%s", text), item)
if err != nil {
return nil, 0, err
}
if err = json.Unmarshal(data, &pagination); err != nil {
return nil, 0, err
}
return pagination.Results, pagination.Total, nil
}
func (pkg *GenericRequestImpl[T]) GetByID(ctx context.Context, id int) (item T, err error) {
_, span := gotel.Tracer.Start(ctx, fmt.Sprintf("%s_repository_by_id", pkg.Resource.GetResource()))
defer span.End()
var data []byte
data, err = pkg.request(ctx, http.MethodGet, fmt.Sprintf("/%d", id), item)
if err != nil {
return
}
if err = json.Unmarshal(data, &item); err != nil {
return
}
return item, nil
}
func (pkg *GenericRequestImpl[T]) Create(ctx context.Context, body T) (item T, err error) {
_, span := gotel.Tracer.Start(ctx, fmt.Sprintf("%s_repository_create", pkg.Resource.GetResource()))
defer span.End()
var data []byte
data, err = pkg.request(ctx, http.MethodPost, "", body)
if err != nil {
return
}
if err = json.Unmarshal(data, &item); err != nil {
return
}
return item, nil
}
func (pkg *GenericRequestImpl[T]) Update(ctx context.Context, body T) (err error) {
_, span := gotel.Tracer.Start(ctx, fmt.Sprintf("%s_repository_update", pkg.Resource.GetResource()))
defer span.End()
var item T
if _, err = pkg.request(ctx, http.MethodPut, "", item); err != nil {
return err
}
return
}
func (pkg *GenericRequestImpl[T]) Delete(ctx context.Context, id int) (err error) {
_, span := gotel.Tracer.Start(ctx, fmt.Sprintf("%s_repository_delete", pkg.Resource.GetResource()))
defer span.End()
var item T
if _, err = pkg.request(ctx, http.MethodDelete, "/123", item); err != nil {
return err
}
return
}
func (pkg *GenericRequestImpl[T]) request(ctx context.Context, method, path string, body T) (responseBody []byte, err error) {
var span trace.Span
ctx, span = gotel.Tracer.Start(ctx, fmt.Sprintf("%s_repository_request", pkg.Resource.GetResource()))
defer span.End()
var req *http.Request
var resp *http.Response
var data []byte
client := &http.Client{Transport: otelhttp.NewTransport(http.DefaultTransport)}
data, err = json.Marshal(body)
if err != nil {
return nil, err
}
url := fmt.Sprintf("%s%s%s", os.Getenv("EXTERNAL_API"), pkg.Resource.GetRoutePath(), path)
req, err = http.NewRequestWithContext(ctx, method, url, bytes.NewBuffer(data))
if err != nil {
return nil, err
}
resp, err = client.Do(req)
if err != nil {
return nil, err
}
defer resp.Body.Close()
return io.ReadAll(resp.Body)
}