feat: add discover page for airing anime

internal/jikan/client.go

@@ -14,6 +14,8 @@ type Client struct {
 	baseURL        string
 	cache          *expirable.LRU[string, SearchResult]
 	topCache       *expirable.LRU[int, TopAnimeResult]
+	airingCache    *expirable.LRU[int, TopAnimeResult]
+	upcomingCache  *expirable.LRU[int, TopAnimeResult]
 	animeCache     *expirable.LRU[int, Anime]
 	relationsCache *expirable.LRU[int, JikanRelationsResponse]
 }
@@ -21,6 +23,8 @@ type Client struct {
 func NewClient() *Client {
 	cache := expirable.NewLRU[string, SearchResult](500, nil, time.Hour*1)
 	topCache := expirable.NewLRU[int, TopAnimeResult](100, nil, time.Hour*1)
+	airingCache := expirable.NewLRU[int, TopAnimeResult](100, nil, time.Hour*1)
+	upcomingCache := expirable.NewLRU[int, TopAnimeResult](100, nil, time.Hour*1)
 	animeCache := expirable.NewLRU[int, Anime](1000, nil, time.Hour*24)
 	relationsCache := expirable.NewLRU[int, JikanRelationsResponse](1000, nil, time.Hour*24)
 
@@ -29,6 +33,8 @@ func NewClient() *Client {
 		baseURL:        "https://api.jikan.moe/v4",
 		cache:          cache,
 		topCache:       topCache,
+		airingCache:    airingCache,
+		upcomingCache:  upcomingCache,
 		animeCache:     animeCache,
 		relationsCache: relationsCache,
 	}

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
+}