first commit

backend/facr_client.go

@@ -0,0 +1,165 @@
+package main
+
+import (
+	"encoding/json"
+	"fmt"
+	"io"
+	"net/http"
+	"strings"
+	"time"
+)
+
+const FACR_API_BASE = "https://facr.tdvorak.dev"
+
+type FACRClient struct {
+	httpClient *http.Client
+}
+
+func NewFACRClient() *FACRClient {
+	return &FACRClient{
+		httpClient: &http.Client{
+			Timeout: 10 * time.Second,
+		},
+	}
+}
+
+// Club represents a club from the FAČR API
+type Club struct {
+	ID      string `json:"id"`
+	Name    string `json:"name"`
+	City    string `json:"city,omitempty"`
+	Type    string `json:"type,omitempty"`
+	Website string `json:"website,omitempty"`
+}
+
+// FACRSearchResponse represents the search response from FAČR API
+type FACRSearchResponse struct {
+	Query   string              `json:"query"`
+	Count   int                 `json:"count"`
+	Results []FACRSearchResult  `json:"results"`
+}
+
+// FACRSearchResult represents a single search result from FAČR API
+type FACRSearchResult struct {
+	Name      string `json:"name"`
+	ClubID    string `json:"club_id"`
+	ClubType  string `json:"club_type"`
+	URL       string `json:"url"`
+	LogoURL   string `json:"logo_url"`
+	Category  string `json:"category"`
+	Address   string `json:"address"`
+}
+
+// FACRClubResponse represents the club details response from FAČR API
+type FACRClubResponse struct {
+	Name            string `json:"name"`
+	ClubID          string `json:"club_id"`
+	ClubType        string `json:"club_type"`
+	ClubInternalID  string `json:"club_internal_id"`
+	URL             string `json:"url"`
+	LogoURL         string `json:"logo_url"`
+	Address         string `json:"address"`
+	Category        string `json:"category"`
+}
+
+// SearchClubs searches for clubs by query
+func (c *FACRClient) SearchClubs(query string) ([]Club, error) {
+	url := fmt.Sprintf("%s/club/search?q=%s", FACR_API_BASE, query)
+
+	resp, err := c.httpClient.Get(url)
+	if err != nil {
+		return nil, fmt.Errorf("failed to fetch from FAČR API: %w", err)
+	}
+	defer resp.Body.Close()
+
+	if resp.StatusCode != http.StatusOK {
+		return nil, fmt.Errorf("FAČR API returned status %d", resp.StatusCode)
+	}
+
+	body, err := io.ReadAll(resp.Body)
+	if err != nil {
+		return nil, fmt.Errorf("failed to read response: %w", err)
+	}
+
+	var searchResp FACRSearchResponse
+	if err := json.Unmarshal(body, &searchResp); err != nil {
+		return nil, fmt.Errorf("failed to parse response: %w", err)
+	}
+
+	// Convert FACR results to our Club format
+	clubs := make([]Club, 0, len(searchResp.Results))
+	for _, result := range searchResp.Results {
+		// Extract city from address if available
+		city := extractCityFromAddress(result.Address)
+		
+		clubs = append(clubs, Club{
+			ID:      result.ClubID,
+			Name:    result.Name,
+			City:    city,
+			Type:    result.ClubType,
+			Website: "", // Not provided in search results
+		})
+	}
+
+	return clubs, nil
+}
+
+// extractCityFromAddress extracts city name from address string
+// Address format: "Street, PostalCode City"
+func extractCityFromAddress(address string) string {
+	if address == "" {
+		return ""
+	}
+	// Try to extract city after postal code (format: "Street, 12345 City")
+	parts := strings.Split(address, ",")
+	if len(parts) < 2 {
+		return ""
+	}
+	// Get the part after comma and split by space
+	lastPart := strings.TrimSpace(parts[len(parts)-1])
+	words := strings.Fields(lastPart)
+	if len(words) >= 2 {
+		// Skip postal code (first word) and return the rest as city
+		return strings.Join(words[1:], " ")
+	}
+	return ""
+}
+
+// GetClub gets a club by ID
+func (c *FACRClient) GetClub(id string) (*Club, error) {
+	// Try football first, then futsal
+	url := fmt.Sprintf("%s/club/football/%s", FACR_API_BASE, id)
+
+	resp, err := c.httpClient.Get(url)
+	if err != nil {
+		return nil, fmt.Errorf("failed to fetch from FAČR API: %w", err)
+	}
+	defer resp.Body.Close()
+
+	if resp.StatusCode != http.StatusOK {
+		return nil, fmt.Errorf("FAČR API returned status %d", resp.StatusCode)
+	}
+
+	body, err := io.ReadAll(resp.Body)
+	if err != nil {
+		return nil, fmt.Errorf("failed to read response: %w", err)
+	}
+
+	var clubResp FACRClubResponse
+	if err := json.Unmarshal(body, &clubResp); err != nil {
+		return nil, fmt.Errorf("failed to parse response: %w", err)
+	}
+
+	// Extract city from address
+	city := extractCityFromAddress(clubResp.Address)
+
+	club := &Club{
+		ID:      clubResp.ClubID,
+		Name:    clubResp.Name,
+		City:    city,
+		Type:    clubResp.ClubType,
+		Website: "", // Not provided in FACR API
+	}
+
+	return club, nil
+}