add example -- pulling all issue covers of a series

example/main.go

@@ -0,0 +1,63 @@
+package main
+
+import (
+	"flag"
+	"fmt"
+	"io"
+	"net/http"
+	"os"
+
+	marvel "github.com/ImJasonH/go-marvel"
+)
+
+var (
+	seriesID = flag.Int64("series", 2258, "Series ID (default: Uncanny X-Men)")
+	apiKey = flag.String("pub", "", "Public API key")
+	secret = flag.String("priv", "", "Private API secret")
+)
+
+func main() {
+	flag.Parse()
+
+	c := marvel.NewClient(*apiKey, *secret)
+
+	offset := 0
+	limit := 100
+	for {
+		r, err := c.Series(*seriesID, marvel.CommonParams{offset, limit})
+		if err != nil {
+			panic(err)
+		}
+		for _, iss := range r.Data.Results {
+			fetchImage(iss.IssueNumber, iss.Thumbnail.URL(marvel.PortraitIncredible))
+			fmt.Printf("%d - %s\n", iss.IssueNumber, iss.Thumbnail.URL(marvel.PortraitIncredible))
+		}
+		if len(r.Data.Results) < limit {
+			return
+		}
+		offset += limit
+	}
+}
+
+func fetchImage(num int, url string) {
+	f, err := os.Create(fmt.Sprintf("%d.jpg", num))
+	if err != nil {
+		panic(err)
+	}
+	defer f.Close()
+
+	resp, err := http.Get(url)
+	if err != nil {
+		panic(err)
+	}
+	if resp.StatusCode != http.StatusOK {
+		fmt.Printf("error: %s -> %d\n", url, resp.StatusCode)
+		return
+	}
+	defer resp.Body.Close()
+
+	_, err = io.Copy(f, resp.Body)
+	if err != nil {
+		panic(err)
+	}
+}

marvel.go

@@ -122,7 +122,7 @@ func (c Client) Series(id int64, params CommonParams) (resp struct {
 	commonResponse
 	Data struct {
 		commonList
-		Results []Series
+		Results []Comic
 	}
 }, err error) {
 	u := c.baseURL(fmt.Sprintf("series/%d/comics", id), params)