Allow exporting the fixtures.

Author: 000xE

fbd/fixtures.go

@@ -0,0 +1,146 @@
+package fbd
+
+import (
+	"fmt"
+	"io"
+	"log/slog"
+	"net/url"
+	"strconv"
+	"strings"
+)
+
+type fixturesConfig struct {
+	url    string
+	client *Client
+	fields url.Values
+}
+
+type fixturesConfigBuilder struct {
+	config fixturesConfig
+}
+
+func (c *Client) NewFixturesConfigBuilder() *fixturesConfigBuilder {
+	return &fixturesConfigBuilder{
+		config: fixturesConfig{
+			url:    "https://www.football-bet-data.com/history/",
+			client: c,
+			fields: url.Values{},
+		},
+	}
+}
+
+func (b *fixturesConfigBuilder) WithLeagues(leagues map[Country][]string) *fixturesConfigBuilder {
+	for country, leagueCodes := range ValidLeagues {
+		for _, leagueCode := range leagueCodes {
+			key := string(country) + leagueCode
+			b.config.fields.Del("ctl00$ContentPlaceHolder2$" + key)
+		}
+	}
+
+	if len(leagues) == 0 {
+		leagues = ValidLeagues
+	}
+
+	for country, leagueCodes := range leagues {
+		for _, leagueCode := range leagueCodes {
+			key := string(country) + leagueCode
+			b.config.fields.Set(fmt.Sprintf("ctl00$ContentPlaceHolder2$%s", key), key)
+		}
+	}
+
+	return b
+}
+
+func (b *fixturesConfigBuilder) WithSummerSeasons(seasons []int) *fixturesConfigBuilder {
+	const prefix = "ctl00$ContentPlaceHolder2$"
+	for key := range b.config.fields {
+		if !strings.HasPrefix(key, prefix) {
+			continue
+		}
+		name := strings.TrimPrefix(key, prefix)
+		if len(name) == 4 && isDigits(name) {
+			b.config.fields.Del(key)
+		}
+	}
+
+	for _, year := range seasons {
+		if year <= 0 {
+			continue
+		}
+		key := strconv.Itoa(year)
+		b.config.fields.Set(fmt.Sprintf("ctl00$ContentPlaceHolder2$%s", key), key)
+	}
+	return b
+}
+
+// WithWinterSeasons expects season start years, e.g. 2024 for 2024-2025 season
+func (b *fixturesConfigBuilder) WithWinterSeasons(seasons []int) *fixturesConfigBuilder {
+	const prefix = "ctl00$ContentPlaceHolder2$"
+	for key := range b.config.fields {
+		if !strings.HasPrefix(key, prefix) {
+			continue
+		}
+		name := strings.TrimPrefix(key, prefix)
+		if len(name) == 5 && name[2] == '-' && isDigits(name[:2]) && isDigits(name[3:]) {
+			b.config.fields.Del(key)
+		}
+	}
+
+	for _, startYear := range seasons {
+		if startYear <= 0 {
+			continue
+		}
+		short := startYear % 100
+		next := (startYear + 1) % 100
+		key := fmt.Sprintf("%02d-%02d", short, next)
+		b.config.fields.Set(fmt.Sprintf("ctl00$ContentPlaceHolder2$%s", key), key)
+	}
+	return b
+}
+
+func (b *fixturesConfigBuilder) Build() *fixturesConfig {
+	return &b.config
+}
+
+func (c *fixturesConfig) ExportToExcel() ([]byte, error) {
+	if err := c.client.ensureReady(); err != nil {
+		return nil, err
+	}
+
+	slog.Info("Exporting fixtures")
+
+	fields, err := c.client.getWebFormsFields(c.url)
+	if err != nil {
+		return nil, err
+	}
+
+	fields.Set("ctl00$ContentPlaceHolder2$ButtonEX2", "Export to Excel")
+
+	for key, values := range c.fields {
+		fields.Del(key)
+		for _, value := range values {
+			fields.Add(key, value)
+		}
+	}
+
+	resp, err := c.client.httpClient.PostForm(c.url, fields)
+	if err != nil {
+		return nil, fmt.Errorf("post fixtures form: %w", err)
+	}
+	defer resp.Body.Close()
+
+	cookies := resp.Cookies()
+	downloadSucceeded := false
+	for _, cookie := range cookies {
+		if cookie.Name == "downloadStarted" && cookie.Value == "1" {
+			downloadSucceeded = true
+			break
+		}
+	}
+
+	if !downloadSucceeded {
+		return nil, fmt.Errorf("download did not succeed: missing or invalid downloadStarted cookie. Cookies: %v. Response body length: %d", cookies, resp.ContentLength)
+	}
+
+	return io.ReadAll(resp.Body)
+}

main.go

@@ -9,7 +9,6 @@ import (
 func main() {
 	email := ""
 	password := ""
-	outputPath := "E1_2025.xlsx"
 
 	client, err := fbd.NewClient()
 	if err != nil {
@@ -26,6 +25,7 @@ func main() {
 		}
 	}()
 
+	dashboardPath := "dashboard_E_2025.xlsx"
 	if err := client.NewDashboardConfigBuilder().
 		WithMatchesNoPrediction().
 		WithLeagues(map[fbd.Country][]string{fbd.ENGLAND: {"1", "2"}}).
@@ -37,9 +37,21 @@ func main() {
 			fbd.MonthSep, fbd.MonthOct, fbd.MonthNov, fbd.MonthDec,
 		}).
 		Build().
-		ExportToExcel(outputPath); err != nil {
+		ExportToExcel(dashboardPath); err != nil {
 		log.Fatalf("dashboard export failed: %v", err)
 	}
 
-	log.Printf("Dashboard Excel exported to %s", outputPath)
+	log.Printf("Dashboard Excel exported to %s", dashboardPath)
+
+	fixturesOutputPath := "fixtures_E_2025.xlsx"
+	if err := client.NewFixturesConfigBuilder().
+		WithLeagues(map[fbd.Country][]string{fbd.ENGLAND: {"1", "2"}}).
+		WithSummerSeasons([]int{2025}).
+		WithWinterSeasons([]int{2025}).
+		Build().
+		ExportToExcel(fixturesOutputPath); err != nil {
+		log.Fatalf("fixtures export failed: %v", err)
+	}
+
+	log.Printf("Fixtures Excel exported to %s", fixturesOutputPath)
 }