1 files changed, 117 insertions, 0 deletions
diff --git a/service/logging.go b/service/logging.go
new file mode 100644
index 0000000..b11599e
--- /dev/null
+++ b/service/logging.go
@@ -0,0 +1,117 @@
+package service
+
+import (
+	"context"
+	"io"
+	"log"
+	"mastodon"
+	"time"
+)
+
+type loggingService struct {
+	logger *log.Logger
+	Service
+}
+
+func NewLoggingService(logger *log.Logger, s Service) Service {
+	return &loggingService{logger, s}
+}
+
+func (s *loggingService) GetAuthUrl(ctx context.Context, instance string) (
+	redirectUrl string, sessionID string, err error) {
+	defer func(begin time.Time) {
+		s.logger.Printf("method=%v, instance=%v, took=%v, err=%v\n",
+			"GetAuthUrl", instance, time.Since(begin), err)
+	}(time.Now())
+	return s.Service.GetAuthUrl(ctx, instance)
+}
+
+func (s *loggingService) GetUserToken(ctx context.Context, sessionID string, c *mastodon.Client,
+	code string) (token string, err error) {
+	defer func(begin time.Time) {
+		s.logger.Printf("method=%v, session_id=%v, code=%v, took=%v, err=%v\n",
+			"GetUserToken", sessionID, code, time.Since(begin), err)
+	}(time.Now())
+	return s.Service.GetUserToken(ctx, sessionID, c, code)
+}
+
+func (s *loggingService) ServeHomePage(ctx context.Context, client io.Writer) (err error) {
+	defer func(begin time.Time) {
+		s.logger.Printf("method=%v, took=%v, err=%v\n",
+			"ServeHomePage", time.Since(begin), err)
+	}(time.Now())
+	return s.Service.ServeHomePage(ctx, client)
+}
+
+func (s *loggingService) ServeErrorPage(ctx context.Context, client io.Writer, err error) {
+	defer func(begin time.Time) {
+		s.logger.Printf("method=%v, err=%v, took=%v\n",
+			"ServeErrorPage", err, time.Since(begin))
+	}(time.Now())
+	s.Service.ServeErrorPage(ctx, client, err)
+}
+
+func (s *loggingService) ServeSigninPage(ctx context.Context, client io.Writer) (err error) {
+	defer func(begin time.Time) {
+		s.logger.Printf("method=%v, took=%v, err=%v\n",
+			"ServeSigninPage", time.Since(begin), err)
+	}(time.Now())
+	return s.Service.ServeSigninPage(ctx, client)
+}
+
+func (s *loggingService) ServeTimelinePage(ctx context.Context, client io.Writer,
+	c *mastodon.Client, maxID string, sinceID string, minID string) (err error) {
+	defer func(begin time.Time) {
+		s.logger.Printf("method=%v, max_id=%v, since_id=%v, min_id=%v, took=%v, err=%v\n",
+			"ServeTimelinePage", maxID, sinceID, minID, time.Since(begin), err)
+	}(time.Now())
+	return s.Service.ServeTimelinePage(ctx, client, c, maxID, sinceID, minID)
+}
+
+func (s *loggingService) ServeThreadPage(ctx context.Context, client io.Writer, c *mastodon.Client, id string, reply bool) (err error) {
+	defer func(begin time.Time) {
+		s.logger.Printf("method=%v, id=%v, reply=%v, took=%v, err=%v\n",
+			"ServeThreadPage", id, reply, time.Since(begin), err)
+	}(time.Now())
+	return s.Service.ServeThreadPage(ctx, client, c, id, reply)
+}
+
+func (s *loggingService) Like(ctx context.Context, client io.Writer, c *mastodon.Client, id string) (err error) {
+	defer func(begin time.Time) {
+		s.logger.Printf("method=%v, id=%v, took=%v, err=%v\n",
+			"Like", id, time.Since(begin), err)
+	}(time.Now())
+	return s.Service.Like(ctx, client, c, id)
+}
+
+func (s *loggingService) UnLike(ctx context.Context, client io.Writer, c *mastodon.Client, id string) (err error) {
+	defer func(begin time.Time) {
+		s.logger.Printf("method=%v, id=%v, took=%v, err=%v\n",
+			"UnLike", id, time.Since(begin), err)
+	}(time.Now())
+	return s.Service.UnLike(ctx, client, c, id)
+}
+
+func (s *loggingService) Retweet(ctx context.Context, client io.Writer, c *mastodon.Client, id string) (err error) {
+	defer func(begin time.Time) {
+		s.logger.Printf("method=%v, id=%v, took=%v, err=%v\n",
+			"Retweet", id, time.Since(begin), err)
+	}(time.Now())
+	return s.Service.Retweet(ctx, client, c, id)
+}
+
+func (s *loggingService) UnRetweet(ctx context.Context, client io.Writer, c *mastodon.Client, id string) (err error) {
+	defer func(begin time.Time) {
+		s.logger.Printf("method=%v, id=%v, took=%v, err=%v\n",
+			"UnRetweet", id, time.Since(begin), err)
+	}(time.Now())
+	return s.Service.UnRetweet(ctx, client, c, id)
+}
+
+func (s *loggingService) PostTweet(ctx context.Context, client io.Writer, c *mastodon.Client, content string, replyToID string) (err error) {
+	defer func(begin time.Time) {
+		s.logger.Printf("method=%v, content=%v, reply_to_id=%v, took=%v, err=%v\n",
+			"PostTweet", content, replyToID, time.Since(begin), err)
+	}(time.Now())
+	return s.Service.PostTweet(ctx, client, c, content, replyToID)
+}