Create GoldService

Signed-off-by: Vartan Benohanian <vartanbeno@gmail.com>

reddit/gold.go

@@ -0,0 +1,50 @@
+package reddit
+
+import (
+	"context"
+	"errors"
+	"fmt"
+	"net/http"
+	"net/url"
+)
+
+// GoldService handles communication with the gold
+// related methods of the Reddit API.
+//
+// Reddit API docs: https://www.reddit.com/dev/api/#section_collections
+type GoldService struct {
+	client *Client
+}
+
+// Gild the post or comment via its full ID.
+// This requires you to own Reddit coins and will consume them.
+func (s *GoldService) Gild(ctx context.Context, id string) (*Response, error) {
+	path := fmt.Sprintf("api/v1/gold/gild/%s", id)
+
+	req, err := s.client.NewRequest(http.MethodPost, path, nil)
+	if err != nil {
+		return nil, err
+	}
+
+	return s.client.Do(ctx, req, nil)
+}
+
+// Give the user between 1 and 36 (inclusive) months of gold.
+// This requires you to own Reddit coins and will consume them.
+func (s *GoldService) Give(ctx context.Context, username string, months int) (*Response, error) {
+	if months < 1 || months > 36 {
+		return nil, errors.New("months: must be between 1 and 36 (inclusive)")
+	}
+
+	path := fmt.Sprintf("api/v1/gold/give/%s", username)
+
+	form := url.Values{}
+	form.Set("months", fmt.Sprint(months))
+
+	req, err := s.client.NewRequestWithForm(http.MethodPost, path, form)
+	if err != nil {
+		return nil, err
+	}
+
+	return s.client.Do(ctx, req, nil)
+}