Erstes Commit

internal/pocketbase/client.go

@@ -0,0 +1,147 @@
+package pocketbase
+
+import (
+	"bytes"
+	"context"
+	"encoding/json"
+	"fmt"
+	"net/http"
+	"net/url"
+	"strings"
+	"time"
+)
+
+// Client handles interactions with the PocketBase API.
+type Client struct {
+	baseURL  string
+	user     string
+	password string
+	category string
+	http     *http.Client
+}
+
+// New creates a new PocketBase client.
+func New(baseURL, user, password, category string) *Client {
+	// Normalise: ensure baseURL does not already end with /api.
+	baseURL = strings.TrimSuffix(baseURL, "/api")
+	baseURL = strings.TrimSuffix(baseURL, "/")
+	return &Client{
+		baseURL:  baseURL,
+		user:     user,
+		password: password,
+		category: category,
+		http: &http.Client{
+			Timeout: 30 * time.Second,
+		},
+	}
+}
+
+type authRequest struct {
+	Identity string `json:"identity"`
+	Password string `json:"password"`
+}
+
+type authResponse struct {
+	Token string `json:"token"`
+}
+
+type record struct {
+	URL string `json:"url"`
+}
+
+type recordsResponse struct {
+	Items []record `json:"items"`
+}
+
+// GetBookmarkURLs authenticates and retrieves URLs from the bookmarks collection.
+func (c *Client) GetBookmarkURLs(ctx context.Context) ([]string, error) {
+	token, err := c.authenticate(ctx)
+	if err != nil {
+		return nil, fmt.Errorf("pocketbase auth: %w", err)
+	}
+
+	urls, err := c.fetchURLs(ctx, token)
+	if err != nil {
+		return nil, fmt.Errorf("pocketbase fetch URLs: %w", err)
+	}
+
+	return urls, nil
+}
+
+func (c *Client) authenticate(ctx context.Context) (string, error) {
+	reqBody, err := json.Marshal(authRequest{
+		Identity: c.user,
+		Password: c.password,
+	})
+	if err != nil {
+		return "", err
+	}
+
+	authURL := c.baseURL + "/api/collections/users/auth-with-password"
+	req, err := http.NewRequestWithContext(ctx, "POST", authURL, bytes.NewBuffer(reqBody))
+	if err != nil {
+		return "", err
+	}
+	req.Header.Set("Content-Type", "application/json")
+
+	resp, err := c.http.Do(req)
+	if err != nil {
+		return "", err
+	}
+	defer resp.Body.Close()
+
+	if resp.StatusCode != http.StatusOK {
+		return "", fmt.Errorf("unexpected status: %d", resp.StatusCode)
+	}
+
+	var authResp authResponse
+	if err := json.NewDecoder(resp.Body).Decode(&authResp); err != nil {
+		return "", err
+	}
+
+	return authResp.Token, nil
+}
+
+func (c *Client) fetchURLs(ctx context.Context, token string) ([]string, error) {
+	// Filter: category=<value>, perPage=200, fields=url
+	filter := fmt.Sprintf(`category="%s"`, c.category)
+	u, err := url.Parse(c.baseURL + "/api/collections/bookmarks/records")
+	if err != nil {
+		return nil, fmt.Errorf("invalid base URL: %w", err)
+	}
+	q := u.Query()
+	q.Set("filter", filter)
+	q.Set("perPage", "200")
+	q.Set("fields", "url")
+	u.RawQuery = q.Encode()
+
+	req, err := http.NewRequestWithContext(ctx, "GET", u.String(), nil)
+	if err != nil {
+		return nil, fmt.Errorf("creating request: %w", err)
+	}
+	req.Header.Set("Authorization", token)
+
+	resp, err := c.http.Do(req)
+	if err != nil {
+		return nil, err
+	}
+	defer resp.Body.Close()
+
+	if resp.StatusCode != http.StatusOK {
+		return nil, fmt.Errorf("unexpected status: %d", resp.StatusCode)
+	}
+
+	var recs recordsResponse
+	if err := json.NewDecoder(resp.Body).Decode(&recs); err != nil {
+		return nil, err
+	}
+
+	var urls []string
+	for _, r := range recs.Items {
+		if r.URL != "" {
+			urls = append(urls, r.URL)
+		}
+	}
+
+	return urls, nil
+}