feat: basic initial support for actions

internal/api/client.go

@@ -1,6 +1,11 @@
 package api
 
 import (
+	"encoding/json"
+	"fmt"
+	"io"
+	"net/http"
+
 	"code.gitea.io/sdk/gitea"
 	"codeberg.org/romaintb/fgj/internal/config"
 )
@@ -8,6 +13,7 @@ import (
 type Client struct {
 	*gitea.Client
 	hostname string
+	token    string
 }
 
 func NewClient(hostname, token string) (*Client, error) {
@@ -23,6 +29,7 @@ func NewClient(hostname, token string) (*Client, error) {
 	return &Client{
 		Client:   client,
 		hostname: hostname,
+		token:    token,
 	}, nil
 }
 
@@ -38,3 +45,42 @@ func NewClientFromConfig(cfg *config.Config, hostname string) (*Client, error) {
 func (c *Client) Hostname() string {
 	return c.hostname
 }
+
+// GetJSON performs a GET request to the specified path and decodes the JSON response
+func (c *Client) GetJSON(path string, result any) error {
+	baseURL := "https://" + c.hostname
+	url := baseURL + path
+
+	req, err := http.NewRequest(http.MethodGet, url, nil)
+	if err != nil {
+		return fmt.Errorf("failed to create request: %w", err)
+	}
+
+	// Set authentication header
+	if c.token != "" {
+		req.Header.Set("Authorization", "token "+c.token)
+	}
+	req.Header.Set("Accept", "application/json")
+
+	httpClient := &http.Client{}
+	resp, err := httpClient.Do(req)
+	if err != nil {
+		return fmt.Errorf("failed to perform request: %w", err)
+	}
+	defer func() {
+		if closeErr := resp.Body.Close(); closeErr != nil && err == nil {
+			err = fmt.Errorf("failed to close response body: %w", closeErr)
+		}
+	}()
+
+	if resp.StatusCode != http.StatusOK {
+		body, _ := io.ReadAll(resp.Body)
+		return fmt.Errorf("API request failed with status %d: %s", resp.StatusCode, string(body))
+	}
+
+	if err := json.NewDecoder(resp.Body).Decode(result); err != nil {
+		return fmt.Errorf("failed to decode response: %w", err)
+	}
+
+	return nil
+}