Added MAL avatar source

jobs/avatars/MyAnimeList.go

@@ -0,0 +1,50 @@
+package main
+
+import (
+	"regexp"
+	"time"
+
+	"github.com/animenotifier/arn"
+	"github.com/parnurzeal/gorequest"
+)
+
+var userIDRegex = regexp.MustCompile(`<user_id>(\d+)<\/user_id>`)
+
+// MyAnimeList - https://myanimelist.net/
+type MyAnimeList struct {
+	RequestLimiter *time.Ticker
+}
+
+// GetAvatar returns the Gravatar image for a user (if available).
+func (source *MyAnimeList) GetAvatar(user *arn.User) *Avatar {
+	malNick := user.Accounts.MyAnimeList.Nick
+
+	// If the user has no username we can't get an avatar.
+	if malNick == "" {
+		return nil
+	}
+
+	// Download user info
+	userInfoURL := "https://myanimelist.net/malappinfo.php?u=" + malNick
+	response, xml, networkErr := gorequest.New().Get(userInfoURL).End()
+
+	if networkErr != nil || response.StatusCode != 200 {
+		return nil
+	}
+
+	// Build URL
+	matches := userIDRegex.FindStringSubmatch(xml)
+
+	if matches == nil || len(matches) < 2 {
+		return nil
+	}
+
+	malID := matches[1]
+	malAvatarURL := "https://myanimelist.cdn-dena.com/images/userimages/" + malID + ".jpg"
+
+	// Wait for request limiter to allow us to send a request
+	<-source.RequestLimiter.C
+
+	// Download
+	return AvatarFromURL(malAvatarURL, user)
+}