85 lines
2.0 KiB
Go
85 lines
2.0 KiB
Go
package jikan
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import (
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"fmt"
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"time"
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)
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type RecommendationEntry struct {
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Entry struct {
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MalID int `json:"mal_id"`
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URL string `json:"url"`
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Images struct {
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Webp struct {
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LargeImageURL string `json:"large_image_url"`
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} `json:"webp"`
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} `json:"images"`
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Title string `json:"title"`
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} `json:"entry"`
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Votes int `json:"votes"`
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}
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type RecommendationsResponse struct {
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Data []RecommendationEntry `json:"data"`
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}
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func (c *Client) GetRecommendations(animeID int, limit int) ([]Anime, error) {
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cacheKey := fmt.Sprintf("recs:%d", animeID)
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var cached []Anime
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if c.getCache(cacheKey, &cached) {
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if limit > 0 && len(cached) > limit {
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return cached[:limit], nil
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}
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return cached, nil
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}
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var result RecommendationsResponse
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reqURL := fmt.Sprintf("%s/anime/%d/recommendations", c.baseURL, animeID)
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if err := c.fetchWithRetry(reqURL, &result); err != nil {
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return nil, err
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}
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max := len(result.Data)
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if limit > 0 && max > limit {
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max = limit
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}
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animes := make([]Anime, 0, max)
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for i := 0; i < max; i++ {
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rec := result.Data[i]
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// Try to see if we already have the full anime details in our local cache.
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// If we do, we can use it to get the English title without making an API call!
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var fullAnime Anime
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animeCacheKey := fmt.Sprintf("anime:%d", rec.Entry.MalID)
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if c.getCache(animeCacheKey, &fullAnime) {
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animes = append(animes, fullAnime)
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} else {
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// Otherwise, map the basic recommendation data directly into an Anime struct.
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anime := Anime{
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MalID: rec.Entry.MalID,
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Title: rec.Entry.Title,
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Images: struct {
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Jpg struct {
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LargeImageURL string `json:"large_image_url"`
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} `json:"jpg"`
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Webp struct {
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LargeImageURL string `json:"large_image_url"`
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} `json:"webp"`
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}{
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Webp: struct {
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LargeImageURL string `json:"large_image_url"`
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}{
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LargeImageURL: rec.Entry.Images.Webp.LargeImageURL,
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},
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},
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}
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animes = append(animes, anime)
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}
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}
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c.setCache(cacheKey, animes, time.Hour*24)
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return animes, nil
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}
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