feat: migrate codes from previous project

internal/net/client.go

@@ -0,0 +1,71 @@
+package net
+
+import (
+	"bytes"
+	"context"
+	"encoding/json"
+	"io"
+	"net/http"
+	"time"
+)
+
+type Client struct {
+	client *http.Client
+}
+
+func NewClient() *Client {
+	return &Client{client: &http.Client{
+		Timeout: time.Minute * 5,
+	}}
+}
+
+func (c *Client) Get(ctx context.Context, url string) (string, error) {
+	req, err := http.NewRequestWithContext(ctx, http.MethodGet, url, nil)
+	if err != nil {
+		return "", err
+	}
+
+	resp, err := c.client.Do(req)
+	if err != nil {
+		return "", err
+	}
+	defer func(Body io.ReadCloser) {
+		_ = Body.Close()
+	}(resp.Body)
+
+	body, err := io.ReadAll(resp.Body)
+	if err != nil {
+		return "", err
+	}
+
+	return string(body), nil
+}
+
+func (c *Client) Post(ctx context.Context, headers map[string]string, url string, body any, target any) error {
+	var buf bytes.Buffer
+	if err := json.NewEncoder(&buf).Encode(body); err != nil {
+		return err
+	}
+
+	req, err := http.NewRequestWithContext(ctx, http.MethodPost, url, &buf)
+	if err != nil {
+		return err
+	}
+	for k, v := range headers {
+		req.Header.Set(k, v)
+	}
+
+	resp, err := c.client.Do(req)
+	if err != nil {
+		return err
+	}
+	defer func(Body io.ReadCloser) {
+		_ = Body.Close()
+	}(resp.Body)
+
+	if err := json.NewDecoder(resp.Body).Decode(target); err != nil {
+		return err
+	}
+
+	return nil
+}