up

internal/finnhub/client.go

@@ -43,6 +43,37 @@ func (c *Client) MarketNews() ([]NewsItem, error) {
 	return c.fetchNews(url)
 }
 
+// NextEarningsDate retourne la prochaine date d'annonce des résultats (90 jours max).
+func (c *Client) NextEarningsDate(symbol string) (string, error) {
+	from := time.Now().Format("2006-01-02")
+	to := time.Now().AddDate(0, 3, 0).Format("2006-01-02")
+	url := fmt.Sprintf("%s/calendar/earnings?from=%s&to=%s&symbol=%s&token=%s",
+		baseURL, from, to, symbol, c.apiKey)
+
+	resp, err := c.http.Get(url)
+	if err != nil {
+		return "", err
+	}
+	defer resp.Body.Close()
+	if resp.StatusCode != 200 {
+		return "", fmt.Errorf("finnhub earnings: HTTP %d", resp.StatusCode)
+	}
+
+	var result struct {
+		EarningsCalendar []struct {
+			Date   string `json:"date"`
+			Symbol string `json:"symbol"`
+		} `json:"earningsCalendar"`
+	}
+	if err := json.NewDecoder(resp.Body).Decode(&result); err != nil {
+		return "", err
+	}
+	if len(result.EarningsCalendar) == 0 {
+		return "", nil
+	}
+	return result.EarningsCalendar[0].Date, nil
+}
+
 func (c *Client) Ping() error {
 	url := fmt.Sprintf("%s/news?category=general&minId=999999999&token=%s", baseURL, c.apiKey)
 	resp, err := c.http.Get(url)