feat: add studio api client and types

internal/jikan/studio.go

@@ -0,0 +1,102 @@
+package jikan
+
+import (
+	"context"
+	"fmt"
+)
+
+type ProducerResponse struct {
+	Data struct {
+		MalID  int    `json:"mal_id"`
+		Titles []struct {
+			Type  string `json:"type"`
+			Title string `json:"title"`
+		} `json:"titles"`
+		Images struct {
+			Jpg struct {
+				ImageURL string `json:"image_url"`
+			} `json:"jpg"`
+		} `json:"images"`
+		Favorites   int    `json:"favorites"`
+		Established string `json:"established"`
+		About       string `json:"about"`
+		Count       int    `json:"count"`
+		External    []struct {
+			Name string `json:"name"`
+			URL  string `json:"url"`
+		} `json:"external"`
+	} `json:"data"`
+}
+
+func (c *Client) GetAnimeByProducer(ctx context.Context, producerID int, page int) (StudioAnimeResult, error) {
+	if page < 1 {
+		page = 1
+	}
+
+	cacheKey := fmt.Sprintf("producer:%d:%d", producerID, page)
+	var cached StudioAnimeResult
+	if c.getCache(ctx, cacheKey, &cached) {
+		return cached, nil
+	}
+
+	var stale StudioAnimeResult
+	hasStale := c.getStaleCache(ctx, cacheKey, &cached)
+
+	var result SearchResponse
+	reqURL := fmt.Sprintf("%s/anime?producers=%d&page=%d", c.baseURL, producerID, page)
+
+	if err := c.fetchWithRetry(ctx, reqURL, &result); err != nil {
+		if hasStale {
+			return stale, nil
+		}
+
+		return StudioAnimeResult{}, err
+	}
+
+	// Get producer info for the name
+	producerName := ""
+	var producerRes ProducerResponse
+	producerURL := fmt.Sprintf("%s/producers/%d", c.baseURL, producerID)
+	if err := c.fetchWithRetry(ctx, producerURL, &producerRes); err == nil {
+		for _, title := range producerRes.Data.Titles {
+			if title.Type == "Default" {
+				producerName = title.Title
+				break
+			}
+		}
+	}
+
+	res := StudioAnimeResult{
+		Animes:      result.Data,
+		HasNextPage: result.Pagination.HasNextPage,
+		StudioName:  producerName,
+	}
+
+	c.setCache(ctx, cacheKey, res, shortCacheTTL)
+	return res, nil
+}
+
+func (c *Client) GetProducerByID(ctx context.Context, producerID int) (ProducerResponse, error) {
+	cacheKey := fmt.Sprintf("producer:info:%d", producerID)
+	var cached ProducerResponse
+	if c.getCache(ctx, cacheKey, &cached) {
+		return cached, nil
+	}
+
+	var stale ProducerResponse
+	hasStale := c.getStaleCache(ctx, cacheKey, &cached)
+
+	var result ProducerResponse
+	reqURL := fmt.Sprintf("%s/producers/%d/full", c.baseURL, producerID)
+
+	if err := c.fetchWithRetry(ctx, reqURL, &result); err != nil {
+		if hasStale {
+			return stale, nil
+		}
+
+		return ProducerResponse{}, err
+	}
+
+	c.setCache(ctx, cacheKey, result, shortCacheTTL)
+	return result, nil
+}

internal/jikan/types.go

@@ -15,6 +15,12 @@ type TopAnimeResult struct {
 	HasNextPage bool
 }
 
+type StudioAnimeResult struct {
+	Animes      []Anime
+	HasNextPage bool
+	StudioName  string
+}
+
 type NamedEntity struct {
 	MalID int    `json:"mal_id"`
 	Name  string `json:"name"`