final

internal/infrastructure/api/client.go

@@ -0,0 +1,90 @@
+package api
+
+import (
+	"bytes"
+	"context"
+	"encoding/json"
+	"fmt"
+	"io"
+	"net/http"
+
+	"github.com/paramah/ai_devs4/s01e02/internal/domain"
+)
+
+// Client implements domain.APIClient
+type Client struct {
+	locationsURL   string
+	accessLevelURL string
+	httpClient     *http.Client
+}
+
+// NewClient creates a new API client
+func NewClient(locationsURL, accessLevelURL string) *Client {
+	return &Client{
+		locationsURL:   locationsURL,
+		accessLevelURL: accessLevelURL,
+		httpClient:     &http.Client{},
+	}
+}
+
+// GetLocation sends a location request and returns the raw JSON response
+func (c *Client) GetLocation(ctx context.Context, req domain.LocationRequest) ([]byte, error) {
+	jsonData, err := json.Marshal(req)
+	if err != nil {
+		return nil, fmt.Errorf("marshaling request: %w", err)
+	}
+
+	httpReq, err := http.NewRequestWithContext(ctx, "POST", c.locationsURL, bytes.NewBuffer(jsonData))
+	if err != nil {
+		return nil, fmt.Errorf("creating request: %w", err)
+	}
+	httpReq.Header.Set("Content-Type", "application/json")
+
+	resp, err := c.httpClient.Do(httpReq)
+	if err != nil {
+		return nil, fmt.Errorf("sending request: %w", err)
+	}
+	defer resp.Body.Close()
+
+	body, err := io.ReadAll(resp.Body)
+	if err != nil {
+		return nil, fmt.Errorf("reading response: %w", err)
+	}
+
+	if resp.StatusCode != http.StatusOK {
+		return nil, fmt.Errorf("unexpected status code: %d, body: %s", resp.StatusCode, string(body))
+	}
+
+	return body, nil
+}
+
+// GetAccessLevel sends an access level request and returns the raw JSON response
+func (c *Client) GetAccessLevel(ctx context.Context, req domain.AccessLevelRequest) ([]byte, error) {
+	jsonData, err := json.Marshal(req)
+	if err != nil {
+		return nil, fmt.Errorf("marshaling request: %w", err)
+	}
+
+	httpReq, err := http.NewRequestWithContext(ctx, "POST", c.accessLevelURL, bytes.NewBuffer(jsonData))
+	if err != nil {
+		return nil, fmt.Errorf("creating request: %w", err)
+	}
+	httpReq.Header.Set("Content-Type", "application/json")
+
+	resp, err := c.httpClient.Do(httpReq)
+	if err != nil {
+		return nil, fmt.Errorf("sending request: %w", err)
+	}
+	defer resp.Body.Close()
+
+	body, err := io.ReadAll(resp.Body)
+	if err != nil {
+		return nil, fmt.Errorf("reading response: %w", err)
+	}
+
+	if resp.StatusCode != http.StatusOK {
+		return nil, fmt.Errorf("unexpected status code: %d, body: %s", resp.StatusCode, string(body))
+	}
+
+	return body, nil
+}