From ac342dde079a0ca156c36a402a3c0ba86d78821d Mon Sep 17 00:00:00 2001
From: r <r@freesoftwareextremist.com>
Date: Sat, 23 Jan 2021 08:44:05 +0000
Subject: [PATCH] Add remote timeline

---
 mastodon/status.go      |  6 ++++--
 renderer/model.go       |  2 ++
 service/service.go      | 28 ++++++++++++++++++++++------
 service/transport.go    |  4 ++--
 templates/nav.tmpl      |  7 ++++---
 templates/root.tmpl     |  2 +-
 templates/timeline.tmpl | 10 ++++++++++
 7 files changed, 45 insertions(+), 14 deletions(-)

diff --git a/mastodon/status.go b/mastodon/status.go
index c8555d6..80e7e0e 100644
--- a/mastodon/status.go
+++ b/mastodon/status.go
@@ -191,9 +191,11 @@ func (c *Client) GetTimelineHome(ctx context.Context, pg *Pagination) ([]*Status
 }
 
 // GetTimelinePublic return statuses from public timeline.
-func (c *Client) GetTimelinePublic(ctx context.Context, isLocal bool, pg *Pagination) ([]*Status, error) {
+func (c *Client) GetTimelinePublic(ctx context.Context, isLocal bool, instance string, pg *Pagination) ([]*Status, error) {
 	params := url.Values{}
-	if isLocal {
+	if len(instance) > 0 {
+		params.Set("instance", instance)
+	} else if isLocal {
 		params.Set("local", "true")
 	}
 
diff --git a/renderer/model.go b/renderer/model.go
index a89b379..6c3ba90 100644
--- a/renderer/model.go
+++ b/renderer/model.go
@@ -52,6 +52,8 @@ type RootData struct {
 type TimelineData struct {
 	*CommonData
 	Title    string
+	Type     string
+	Instance string
 	Statuses []*mastodon.Status
 	NextLink string
 	PrevLink string
diff --git a/service/service.go b/service/service.go
index f376fde..ce689fd 100644
--- a/service/service.go
+++ b/service/service.go
@@ -158,7 +158,7 @@ func (s *service) NavPage(c *client) (err error) {
 	return s.renderer.Render(rCtx, c, renderer.NavPage, data)
 }
 
-func (s *service) TimelinePage(c *client, tType string,
+func (s *service) TimelinePage(c *client, tType string, instance string,
 	maxID string, minID string) (err error) {
 
 	var nextLink, prevLink, title string
@@ -179,10 +179,15 @@ func (s *service) TimelinePage(c *client, tType string,
 		statuses, err = c.GetTimelineDirect(ctx, &pg)
 		title = "Direct Timeline"
 	case "local":
-		statuses, err = c.GetTimelinePublic(ctx, true, &pg)
+		statuses, err = c.GetTimelinePublic(ctx, true, "", &pg)
 		title = "Local Timeline"
+	case "remote":
+		if len(instance) > 0 {
+			statuses, err = c.GetTimelinePublic(ctx, false, instance, &pg)
+		}
+		title = "Remote Timeline"
 	case "twkn":
-		statuses, err = c.GetTimelinePublic(ctx, false, &pg)
+		statuses, err = c.GetTimelinePublic(ctx, false, "", &pg)
 		title = "The Whole Known Network"
 	}
 	if err != nil {
@@ -196,17 +201,28 @@ func (s *service) TimelinePage(c *client, tType string,
 	}
 
 	if (len(maxID) > 0 || len(minID) > 0) && len(statuses) > 0 {
-		prevLink = fmt.Sprintf("/timeline/%s?min_id=%s", tType,
-			statuses[0].ID)
+		v := make(url.Values)
+		v.Set("min_id", statuses[0].ID)
+		if len(instance) > 0 {
+			v.Set("instance", instance)
+		}
+		prevLink = "/timeline/" + tType + "?" + v.Encode()
 	}
 
 	if len(minID) > 0 || (len(pg.MaxID) > 0 && len(statuses) == 20) {
-		nextLink = fmt.Sprintf("/timeline/%s?max_id=%s", tType, pg.MaxID)
+		v := make(url.Values)
+		v.Set("max_id", pg.MaxID)
+		if len(instance) > 0 {
+			v.Set("instance", instance)
+		}
+		nextLink = "/timeline/" + tType + "?" + v.Encode()
 	}
 
 	commonData := s.getCommonData(c, tType+" timeline ")
 	data := &renderer.TimelineData{
 		Title:      title,
+		Type:       tType,
+		Instance:   instance,
 		Statuses:   statuses,
 		NextLink:   nextLink,
 		PrevLink:   prevLink,
diff --git a/service/transport.go b/service/transport.go
index 882a351..096b44e 100644
--- a/service/transport.go
+++ b/service/transport.go
@@ -190,10 +190,10 @@ func NewHandler(s *service, logger *log.Logger, staticDir string) http.Handler {
 	timelinePage := handle(func(c *client) error {
 		tType, _ := mux.Vars(c.Req)["type"]
 		q := c.Req.URL.Query()
+		instance := q.Get("instance")
 		maxID := q.Get("max_id")
 		minID := q.Get("min_id")
-		return s.TimelinePage(c, tType, maxID, minID)
-		return nil
+		return s.TimelinePage(c, tType, instance, maxID, minID)
 	}, SESSION, HTML)
 
 	defaultTimelinePage := handle(func(c *client) error {
diff --git a/templates/nav.tmpl b/templates/nav.tmpl
index fdff885..98f0532 100644
--- a/templates/nav.tmpl
+++ b/templates/nav.tmpl
@@ -17,9 +17,9 @@
 			<a class="nav-link" href="/timeline/home" accesskey="1" title="Home timeline (1)">home</a>
 			<a class="nav-link" href="/timeline/direct" accesskey="2" title="Direct timeline (2)">direct</a>
 			<a class="nav-link" href="/timeline/local" accesskey="3" title="Local timeline (3)">local</a>
-			<a class="nav-link" href="/timeline/twkn" accesskey="4" title="The Whole Known Netwwork (4)">twkn</a>
-			<a class="nav-link" href="/search" accesskey="5" title="Search (5)">search</a>
-			<a class="nav-link" href="/about" accesskey="6" title="About (6)">about</a>
+			<a class="nav-link" href="/timeline/remote" accesskey="4" title="Remote timeline (4)">remote</a>
+			<a class="nav-link" href="/timeline/twkn" accesskey="5" title="The Whole Known Netwwork (5)">twkn</a>
+			<a class="nav-link" href="/search" accesskey="6" title="Search (6)">search</a>
 		</div>
 		<div>
 			<a class="nav-link" href="/settings" target="_top" accesskey="7" title="Settings (7)">settings</a>
@@ -28,6 +28,7 @@
 				<input type="hidden" name="referrer" value="{{$.Ctx.Referrer}}">
 				<input type="submit" value="signout" class="btn-link nav-link" accesskey="8" title="Signout (8)">
 			</form>
+			<a class="nav-link" href="/about" accesskey="9" title="About (9)">about</a>
 		</div>
 	</div>
 </div>
diff --git a/templates/root.tmpl b/templates/root.tmpl
index ef25c90..b1305f5 100644
--- a/templates/root.tmpl
+++ b/templates/root.tmpl
@@ -6,7 +6,7 @@
 	<link rel="icon" type="image/png" href="/static/favicon.png">
 	<title>{{.Title}}</title>
 </head>
-<frameset cols="420px,*">
+<frameset cols="424px,*">
 	<frameset rows="316px,*">
 		<frame name="nav" src="/nav"> 
 		<frame name="notification" src="/notifications"> 
diff --git a/templates/timeline.tmpl b/templates/timeline.tmpl
index eabb3ed..bde050a 100644
--- a/templates/timeline.tmpl
+++ b/templates/timeline.tmpl
@@ -2,6 +2,16 @@
 {{template "header.tmpl" (WithContext .CommonData $.Ctx)}}
 <div class="page-title"> {{.Title}} </div>
 
+{{if eq .Type "remote"}}
+<form class="search-form" action="/timeline/remote" method="GET">
+	<span class="post-form-field">
+		<label for="instance"> Instance </label>
+		<input id="instance" name="instance" value="{{.Instance}}">
+	</span>
+	<button type="submit"> Submit </button>
+</form>
+{{end}}
+
 {{range .Statuses}}
 {{template "status.tmpl" (WithContext . $.Ctx)}}
 {{end}}