Move functions into their own, separate files & add docs

news.go

@@ -1,6 +1,50 @@
 package crunchyroll
 
-// News contains all information about a news.
+import (
+	"encoding/json"
+	"fmt"
+	"net/http"
+)
+
+// News returns the top and latest news from crunchyroll for the current locale within the given limits.
+func (c *Crunchyroll) News(topLimit uint, latestLimit uint) (t []*News, l []*News, err error) {
+	newsFeedEndpoint := fmt.Sprintf("https://beta.crunchyroll.com/content/v1/news_feed?top_news_n=%d&latest_news_n=%d&locale=%s",
+		topLimit, latestLimit, c.Locale)
+	resp, err := c.request(newsFeedEndpoint, http.MethodGet)
+	if err != nil {
+		return nil, nil, err
+	}
+	defer resp.Body.Close()
+
+	var jsonBody map[string]interface{}
+	if err = json.NewDecoder(resp.Body).Decode(&jsonBody); err != nil {
+		return nil, nil, fmt.Errorf("failed to parse 'news_feed' response: %w", err)
+	}
+
+	topNews := jsonBody["top_news"].(map[string]interface{})
+	for _, item := range topNews["items"].([]interface{}) {
+		topNews := &News{}
+		if err := decodeMapToStruct(item, topNews); err != nil {
+			return nil, nil, err
+		}
+
+		t = append(t, topNews)
+	}
+
+	latestNews := jsonBody["latest_news"].(map[string]interface{})
+	for _, item := range latestNews["items"].([]interface{}) {
+		latestNews := &News{}
+		if err := decodeMapToStruct(item, latestNews); err != nil {
+			return nil, nil, err
+		}
+
+		l = append(l, latestNews)
+	}
+
+	return t, l, nil
+}
+
+// News contains all information about news.
 type News struct {
 	Title       string `json:"title"`
 	Link        string `json:"link"`