feat: add discover page for airing anime

internal/jikan/seasons.go

@@ -0,0 +1,51 @@
+package jikan
+
+import "fmt"
+
+// GetSeasonsNow fetches currently airing anime
+func (c *Client) GetSeasonsNow(page int) (TopAnimeResult, error) {
+	if page < 1 {
+		page = 1
+	}
+	if cached, ok := c.airingCache.Get(page); ok {
+		return cached, nil
+	}
+
+	var result TopAnimeResponse
+	reqURL := fmt.Sprintf("%s/seasons/now?page=%d", c.baseURL, page)
+	if err := c.fetchWithRetry(reqURL, &result); err != nil {
+		return TopAnimeResult{}, err
+	}
+
+	res := TopAnimeResult{
+		Animes:      result.Data,
+		HasNextPage: result.Pagination.HasNextPage,
+	}
+
+	c.airingCache.Add(page, res)
+	return res, nil
+}
+
+// GetSeasonsUpcoming fetches upcoming anime
+func (c *Client) GetSeasonsUpcoming(page int) (TopAnimeResult, error) {
+	if page < 1 {
+		page = 1
+	}
+	if cached, ok := c.upcomingCache.Get(page); ok {
+		return cached, nil
+	}
+
+	var result TopAnimeResponse
+	reqURL := fmt.Sprintf("%s/seasons/upcoming?page=%d", c.baseURL, page)
+	if err := c.fetchWithRetry(reqURL, &result); err != nil {
+		return TopAnimeResult{}, err
+	}
+
+	res := TopAnimeResult{
+		Animes:      result.Data,
+		HasNextPage: result.Pagination.HasNextPage,
+	}
+
+	c.upcomingCache.Add(page, res)
+	return res, nil
+}