From 08cc2a6adeb591c687d68c22bac9bc5b5f9f62b6 Mon Sep 17 00:00:00 2001
From: r <r@freesoftwareextremist.com>
Date: Sun, 22 Dec 2019 18:10:42 +0000
Subject: [PATCH] Add emojis page

---
 mastodon/instance.go | 10 ++++++++++
 renderer/model.go    | 12 ++++++++++++
 renderer/renderer.go |  5 +++++
 service/auth.go      |  8 ++++++++
 service/logging.go   |  8 ++++++++
 service/service.go   | 21 +++++++++++++++++++++
 service/transport.go | 10 ++++++++++
 static/main.css      | 19 +++++++++++++++++++
 templates/emoji.tmpl | 16 ++++++++++++++++
 9 files changed, 109 insertions(+)
 create mode 100644 templates/emoji.tmpl

diff --git a/mastodon/instance.go b/mastodon/instance.go
index 3217450..1dc2c8e 100644
--- a/mastodon/instance.go
+++ b/mastodon/instance.go
@@ -63,3 +63,13 @@ func (c *Client) GetInstancePeers(ctx context.Context) ([]string, error) {
 	}
 	return peers, nil
 }
+
+// GetInstanceEmojis return instance emojis.
+func (c *Client) GetInstanceEmojis(ctx context.Context) ([]*Emoji, error) {
+	var emojis []*Emoji
+	err := c.doAPI(ctx, http.MethodGet, "/api/v1/custom_emojis", nil, &emojis, nil)
+	if err != nil {
+		return nil, err
+	}
+	return emojis, nil
+}
diff --git a/renderer/model.go b/renderer/model.go
index 9380b7f..2719dbe 100644
--- a/renderer/model.go
+++ b/renderer/model.go
@@ -97,3 +97,15 @@ func NewAboutPageTemplateData(navbarData *NavbarTemplateData) *AboutPageTemplate
 		NavbarData: navbarData,
 	}
 }
+
+type EmojiPageTemplateData struct {
+	NavbarData *NavbarTemplateData
+	Emojis     []*mastodon.Emoji
+}
+
+func NewEmojiPageTemplateData(navbarData *NavbarTemplateData, emojis []*mastodon.Emoji) *EmojiPageTemplateData {
+	return &EmojiPageTemplateData{
+		NavbarData: navbarData,
+		Emojis:     emojis,
+	}
+}
diff --git a/renderer/renderer.go b/renderer/renderer.go
index 8009d99..4415b0b 100644
--- a/renderer/renderer.go
+++ b/renderer/renderer.go
@@ -20,6 +20,7 @@ type Renderer interface {
 	RenderNotificationPage(ctx context.Context, writer io.Writer, data *NotificationPageTemplateData) (err error)
 	RenderUserPage(ctx context.Context, writer io.Writer, data *UserPageTemplateData) (err error)
 	RenderAboutPage(ctx context.Context, writer io.Writer, data *AboutPageTemplateData) (err error)
+	RenderEmojiPage(ctx context.Context, writer io.Writer, data *EmojiPageTemplateData) (err error)
 }
 
 type renderer struct {
@@ -76,6 +77,10 @@ func (r *renderer) RenderAboutPage(ctx context.Context, writer io.Writer, data *
 	return r.template.ExecuteTemplate(writer, "about.tmpl", data)
 }
 
+func (r *renderer) RenderEmojiPage(ctx context.Context, writer io.Writer, data *EmojiPageTemplateData) (err error) {
+	return r.template.ExecuteTemplate(writer, "emoji.tmpl", data)
+}
+
 func EmojiFilter(content string, emojis []mastodon.Emoji) string {
 	var replacements []string
 	for _, e := range emojis {
diff --git a/service/auth.go b/service/auth.go
index 1b2700c..57ef3d0 100644
--- a/service/auth.go
+++ b/service/auth.go
@@ -125,6 +125,14 @@ func (s *authService) ServeAboutPage(ctx context.Context, client io.Writer, c *m
 	return s.Service.ServeAboutPage(ctx, client, c)
 }
 
+func (s *authService) ServeEmojiPage(ctx context.Context, client io.Writer, c *model.Client) (err error) {
+	c, err = s.getClient(ctx)
+	if err != nil {
+		return
+	}
+	return s.Service.ServeEmojiPage(ctx, client, c)
+}
+
 func (s *authService) Like(ctx context.Context, client io.Writer, c *model.Client, id string) (err error) {
 	c, err = s.getClient(ctx)
 	if err != nil {
diff --git a/service/logging.go b/service/logging.go
index 444584e..9848e54 100644
--- a/service/logging.go
+++ b/service/logging.go
@@ -101,6 +101,14 @@ func (s *loggingService) ServeAboutPage(ctx context.Context, client io.Writer, c
 	return s.Service.ServeAboutPage(ctx, client, c)
 }
 
+func (s *loggingService) ServeEmojiPage(ctx context.Context, client io.Writer, c *model.Client) (err error) {
+	defer func(begin time.Time) {
+		s.logger.Printf("method=%v, took=%v, err=%v\n",
+			"ServeEmojiPage", time.Since(begin), err)
+	}(time.Now())
+	return s.Service.ServeEmojiPage(ctx, client, c)
+}
+
 func (s *loggingService) Like(ctx context.Context, client io.Writer, c *model.Client, id string) (err error) {
 	defer func(begin time.Time) {
 		s.logger.Printf("method=%v, id=%v, took=%v, err=%v\n",
diff --git a/service/service.go b/service/service.go
index ad47408..27ee6bf 100644
--- a/service/service.go
+++ b/service/service.go
@@ -34,6 +34,7 @@ type Service interface {
 	ServeNotificationPage(ctx context.Context, client io.Writer, c *model.Client, maxID string, minID string) (err error)
 	ServeUserPage(ctx context.Context, client io.Writer, c *model.Client, id string, maxID string, minID string) (err error)
 	ServeAboutPage(ctx context.Context, client io.Writer, c *model.Client) (err error)
+	ServeEmojiPage(ctx context.Context, client io.Writer, c *model.Client) (err error)
 	Like(ctx context.Context, client io.Writer, c *model.Client, id string) (err error)
 	UnLike(ctx context.Context, client io.Writer, c *model.Client, id string) (err error)
 	Retweet(ctx context.Context, client io.Writer, c *model.Client, id string) (err error)
@@ -444,6 +445,26 @@ func (svc *service) ServeAboutPage(ctx context.Context, client io.Writer, c *mod
 	return
 }
 
+func (svc *service) ServeEmojiPage(ctx context.Context, client io.Writer, c *model.Client) (err error) {
+	navbarData, err := svc.getNavbarTemplateData(ctx, client, c)
+	if err != nil {
+		return
+	}
+
+	emojis, err := c.GetInstanceEmojis(ctx)
+	if err != nil {
+		return
+	}
+
+	data := renderer.NewEmojiPageTemplateData(navbarData, emojis)
+	err = svc.renderer.RenderEmojiPage(ctx, client, data)
+	if err != nil {
+		return
+	}
+
+	return
+}
+
 func (svc *service) getNavbarTemplateData(ctx context.Context, client io.Writer, c *model.Client) (data *renderer.NavbarTemplateData, err error) {
 	notifications, err := c.GetNotifications(ctx, nil)
 	if err != nil {
diff --git a/service/transport.go b/service/transport.go
index e3ec113..437d32f 100644
--- a/service/transport.go
+++ b/service/transport.go
@@ -241,6 +241,16 @@ func NewHandler(s Service, staticDir string) http.Handler {
 		}
 	}).Methods(http.MethodGet)
 
+	r.HandleFunc("/emojis", func(w http.ResponseWriter, req *http.Request) {
+		ctx := getContextWithSession(context.Background(), req)
+
+		err := s.ServeEmojiPage(ctx, w, nil)
+		if err != nil {
+			s.ServeErrorPage(ctx, w, err)
+			return
+		}
+	}).Methods(http.MethodGet)
+
 	r.HandleFunc("/signout", func(w http.ResponseWriter, req *http.Request) {
 		// TODO remove session from database
 		w.Header().Add("Set-Cookie", fmt.Sprintf("session_id=;max-age=0"))
diff --git a/static/main.css b/static/main.css
index b4b616b..f09f517 100644
--- a/static/main.css
+++ b/static/main.css
@@ -316,3 +316,22 @@
 .post-form-field>* {
   vertical-align: middle;
 }
+
+.emoji {
+	min-width: 220px;
+	display: inline-block;
+	margin-bottom: 2px;
+}
+
+.emoji-img {
+	height: 24px;
+	width: 24px;
+	object-fit: contain;
+	vertical-align: middle;
+
+}
+
+.emoji-shortcode {
+	vertical-align: middle;
+	display: inline-block;
+}
diff --git a/templates/emoji.tmpl b/templates/emoji.tmpl
new file mode 100644
index 0000000..a0cf263
--- /dev/null
+++ b/templates/emoji.tmpl
@@ -0,0 +1,16 @@
+{{template "header.tmpl"}}
+{{template "navigation.tmpl" .NavbarData}}
+<div class="page-title"> Emojis </div>
+
+<div class="emoji-list-container">
+	{{range .Emojis}}
+	<div class="emoji">
+		<img class="emoji-img" src="{{.URL}}" alt="{{.ShortCode}}" />
+		<div class="emoji-shortcode">:{{.ShortCode}}:</div>
+	</div>
+	{{end}}
+</div>
+
+{{template "footer.tmpl"}}
+
+