Added atom feed and a few other modifications

2021-05-30 21:35:01 +03:00 · 2021-05-30 21:35:01 +03:00 · 5d9b628144
parent 60b5d07d00
commit 5d9b628144
15 changed files with 327 additions and 74 deletions
--- a/src/hmnurl/hmnurl.go
+++ b/src/hmnurl/hmnurl.go
@ -18,6 +18,16 @@ type Q struct {
 	Value string
 }

+func QFromURL(u *url.URL) []Q {
+	var result []Q
+	for key, values := range u.Query() {
+		for _, v := range values {
+			result = append(result, Q{Name: key, Value: v})
+		}
+	}
+	return result
+}
+
 var baseUrlParsed url.URL
 var cacheBust string
 var isTest bool
--- a/src/hmnurl/hmnurl_test.go
+++ b/src/hmnurl/hmnurl_test.go
@ -50,6 +50,8 @@ func TestSiteMap(t *testing.T) {

 func TestAtomFeed(t *testing.T) {
 	AssertRegexMatch(t, BuildAtomFeed(), RegexAtomFeed, nil)
+	AssertRegexMatch(t, BuildAtomFeedForProjects(), RegexAtomFeed, map[string]string{"feedtype": "projects"})
+	AssertRegexMatch(t, BuildAtomFeedForShowcase(), RegexAtomFeed, map[string]string{"feedtype": "showcase"})
 }

 func TestLoginAction(t *testing.T) {
--- a/src/hmnurl/urls.go
+++ b/src/hmnurl/urls.go
@ -57,13 +57,6 @@ func BuildSiteMap() string {
 	return Url("/sitemap", nil)
 }

-var RegexAtomFeed = regexp.MustCompile("^/atom$")
-
-func BuildAtomFeed() string {
-	defer CatchPanic()
-	return Url("/atom", nil)
-}
-
 // QUESTION(ben): Can we change these routes?

 var RegexLoginAction = regexp.MustCompile("^/login$")
@ -176,6 +169,23 @@ func BuildFeedWithPage(page int) string {
 	return Url("/feed/"+strconv.Itoa(page), nil)
 }

+var RegexAtomFeed = regexp.MustCompile("^/atom(/(?P<feedtype>.+))?$")
+
+func BuildAtomFeed() string {
+	defer CatchPanic()
+	return Url("/atom", nil)
+}
+
+func BuildAtomFeedForProjects() string {
+	defer CatchPanic()
+	return Url("/atom/projects", nil)
+}
+
+func BuildAtomFeedForShowcase() string {
+	defer CatchPanic()
+	return Url("/atom/showcase", nil)
+}
+
 /*
 * Podcast
 */
--- a/src/oops/oops.go
+++ b/src/oops/oops.go
@ -46,14 +46,16 @@ var ZerologStackMarshaler = func(err error) interface{} {
 	if asOops, ok := err.(*Error); ok {
 		return asOops.Stack
 	}
-	return nil
+	// NOTE(asaf): If we got here, it means zerolog is trying to output a non-oops error.
+	//			   We remove this call and the zerolog caller from the stack.
+	return Trace()[2:]
 }

 func New(wrapped error, format string, args ...interface{}) error {
 	return &Error{
 		Message: fmt.Sprintf(format, args...),
 		Wrapped: wrapped,
-		Stack:   Trace(),
+		Stack:   Trace()[1:], // NOTE(asaf): Remove the call to New from the stack
 	}
 }

--- a/src/templates/mapping.go
+++ b/src/templates/mapping.go
@ -102,7 +102,7 @@ func UserToTemplate(u *models.User, currentTheme string) User {
 		Blurb:      u.Blurb,
 		Signature:  u.Signature,
 		AvatarUrl:  avatar,
-		ProfileUrl: hmnurl.Url("m/"+u.Username, nil),
+		ProfileUrl: hmnurl.BuildMember(u.Username),

 		DarkTheme:     u.DarkTheme,
 		Timezone:      u.Timezone,
--- a/src/templates/src/atom.xml
+++ b/src/templates/src/atom.xml
@ -0,0 +1,34 @@
+{{ noescape "<?xml version=\"1.0\" encoding=\"utf-8\"?>" }}
+<feed xmlns="http://www.w3.org/2005/Atom">
+	<title type="text">{{ .Title }}</title>
+	<subtitle type="html">{{ .Subtitle }}</subtitle>
+	<link href="{{ .HomepageUrl }}"/>
+	<link rel="self" type="application/atom+xml" href="{{ .AtomFeedUrl }}"/>
+	<link rel="alternate" type="text/html" hreflang="en" href="{{ .FeedUrl }}"/>
+	<rights type="html">{{ .CopyrightStatement }}</rights>
+	<generator uri="{{ .HomepageUrl }}" version="{{ .SiteVersion }}">Handmade Network site engine v{{ .SiteVersion }}</generator>
+	<updated>{{ rfc3339 .Updated }}</updated>
+	<id>{{ .FeedID }}</id>
+	{{ if .Posts }}
+		{{ range .Posts }}
+			<entry>
+				<title>{{ if .PostTypePrefix }}{{ .PostTypePrefix }}: {{ end }}{{ .Title }}</title>
+				<link rel="alternate" type="text/html" href="{{ .Url }}" />
+				<id>{{ .UUID }}</id>
+				<published>{{ rfc3339 .Date }}</published>
+				<updated>{{ rfc3339 .LastEditDate }}</updated>
+				<author>
+					<name>{{ .User.Name }}</name>
+					<uri>{{ .User.ProfileUrl }}</uri>
+				</author>
+				<summary type="html">{{ .Preview }}</summary>
+			</entry>
+		{{ end }}
+	{{ else if .Projects }}
+		{{ range .Projects }}
+		{{ end }}
+	{{ else if .Snippets }}
+		{{ range .Snippets }}
+		{{ end }}
+	{{ end }}
+</feed>
--- a/src/templates/src/feed.html
+++ b/src/templates/src/feed.html
@ -20,7 +20,29 @@
        </div>
    </div>
    {{ range .Posts }}
-        {{ template "post_list_item.html" . }}
+		<div class="post-list-item flex items-center ph3 pv2 {{ if .Unread }}unread{{ else }}read{{ end }} {{ .Classes }}">
+			<img class="avatar-icon mr2" src="{{ .User.AvatarUrl }}">
+			<div class="flex-grow-1 overflow-hidden">
+				<div class="breadcrumbs">
+					{{ range $i, $breadcrumb := .Breadcrumbs }}
+						{{ if gt $i 0 }} » {{ end }}
+						<a href="{{ $breadcrumb.Url }}">{{ $breadcrumb.Name }}</a>
+					{{ end }}
+				</div>
+				<div class="title nowrap truncate"><a href="{{ .Url }}" title="{{ .Preview }}">{{ if .PostTypePrefix }}{{ .PostTypePrefix }}: {{ end }}{{ .Title }}</a></div>
+				<div class="details">
+					<a class="user" href="{{ .User.ProfileUrl }}">{{ .User.Name }}</a> &mdash; {{ timehtml (relativedate .Date) .Date }}
+				</div>
+				{{ with .Preview }}
+					<div class="mt1">
+						{{ noescape . }}
+					</div>
+				{{ end }}
+			</div>
+			<div class="goto">
+				<a href="{{ .Url }}">&raquo;</a>
+			</div>
+		</div>
    {{ end }}
    <div class="optionbar bottom">
        <div>
--- a/src/templates/src/include/post_list_item.html
+++ b/src/templates/src/include/post_list_item.html
@ -13,15 +13,10 @@ It should be called with PostListItem.
                <a href="{{ $breadcrumb.Url }}">{{ $breadcrumb.Name }}</a>
            {{ end }}
        </div>
-        <div class="title nowrap truncate"><a href="{{ .Url }}">{{ .Title }}</a></div>
+		<div class="title nowrap truncate"><a href="{{ .Url }}" title="{{ .Preview }}">{{ .Title }}</a></div>
        <div class="details">
            <a class="user" href="{{ .User.ProfileUrl }}">{{ .User.Name }}</a> &mdash; {{ timehtml (relativedate .Date) .Date }}
        </div>
-        {{ with .Content }}
-            <div class="mt2">
-                {{ . }}
-            </div>
-        {{ end }}
    </div>
    <div class="goto">
        <a href="{{ .Url }}">&raquo;</a>
--- a/src/templates/src/landing.html
+++ b/src/templates/src/landing.html
@ -104,7 +104,7 @@
 </div>
 {{ end }}

-{{/*
+{{/* TODO(asaf): Delete this section once we're done with the landing page
 {% block columns %}
 {% include "showcase/js_templates.html" %}
 {% include "timeline/js_templates.html" %}
@ -268,7 +268,7 @@
 {{/* Call this template with a LandingPageFeaturedPost. */}}
 <div class="flex items-start ph3 pv2 {{ if .Unread }}unread{{ else }}read{{ end }}">
    <img class="avatar-icon mr2" src="{{ .User.AvatarUrl }}">
-    <div class="flex-grow-1">
+    <div class="flex-grow-1 overflow-hidden">
        <div class="title mb1"><a href="{{ .Url }}">{{ .Title }}</a></div>
        <div class="details">
            <a class="user" href="{{ .User.ProfileUrl }}">{{ .User.Name }}</a> &mdash; {{ timehtml (relativedate .Date) .Date }}
@ -277,7 +277,7 @@
            <div>
                {{ .Content }}
            </div>
-            <div class="excerpt-fade absolute w-100 h4 bottom-0"></div>
+            <div class="excerpt-fade absolute w-100 h4 bottom-0 z-999"></div>
        </div>
        <div class="mt2">
            <a href="{{ .Url }}">Read More &rarr;</a>
@ -285,3 +285,25 @@
    </div>
 </div>
 {{ end }}
+
+{{ define "post_list_item" }}
+{{/* Call this template with a PostListItem. */}}
+<div class="post-list-item flex items-center ph3 pv2 {{ if .Unread }}unread{{ else }}read{{ end }} {{ .Classes }}">
+    <img class="avatar-icon mr2" src="{{ .User.AvatarUrl }}">
+    <div class="flex-grow-1 overflow-hidden">
+        <div class="breadcrumbs">
+            {{ range $i, $breadcrumb := .Breadcrumbs }}
+                {{ if gt $i 0 }} » {{ end }}
+                <a href="{{ $breadcrumb.Url }}">{{ $breadcrumb.Name }}</a>
+            {{ end }}
+        </div>
+		<div class="title nowrap truncate"><a href="{{ .Url }}" title="{{ .Preview }}">{{ .Title }}</a></div>
+        <div class="details">
+            <a class="user" href="{{ .User.ProfileUrl }}">{{ .User.Name }}</a> &mdash; {{ timehtml (relativedate .Date) .Date }}
+        </div>
+    </div>
+    <div class="goto">
+        <a href="{{ .Url }}">&raquo;</a>
+    </div>
+</div>
+{{ end }}
--- a/src/templates/templates.go
+++ b/src/templates/templates.go
@ -4,7 +4,6 @@ import (
 	"embed"
 	"fmt"
 	"html/template"
-	"net/url"
 	"strings"
 	"time"

@ -25,11 +24,7 @@ const (
 var templateFs embed.FS
 var Templates map[string]*template.Template

-var cachebust string
-
 func Init() {
-	cachebust = fmt.Sprint(time.Now().Unix())
-
 	Templates = make(map[string]*template.Template)

 	files, _ := templateFs.ReadDir("src")
@ -53,6 +48,16 @@ func Init() {
 				logging.Fatal().Str("filename", f.Name()).Err(err).Msg("failed to parse template")
 			}

+			Templates[f.Name()] = t
+		} else if strings.HasSuffix(f.Name(), ".xml") {
+			t := template.New(f.Name())
+			t = t.Funcs(sprig.FuncMap())
+			t = t.Funcs(HMNTemplateFuncs)
+			t, err := t.ParseFS(templateFs, "src/"+f.Name())
+			if err != nil {
+				logging.Fatal().Str("filename", f.Name()).Err(err).Msg("failed to parse template")
+			}
+
 			Templates[f.Name()] = t
 		}
 	}
@ -68,7 +73,10 @@ func names(ts []*template.Template) []string {

 var HMNTemplateFuncs = template.FuncMap{
 	"absolutedate": func(t time.Time) string {
-		return t.Format("January 2, 2006, 3:04pm")
+		return t.UTC().Format("January 2, 2006, 3:04pm")
+	},
+	"rfc3339": func(t time.Time) string {
+		return t.UTC().Format(time.RFC3339)
 	},
 	"alpha": func(alpha float64, color noire.Color) noire.Color {
 		color.Alpha = alpha
@ -77,9 +85,6 @@ var HMNTemplateFuncs = template.FuncMap{
 	"brighten": func(amount float64, color noire.Color) noire.Color {
 		return color.Tint(amount)
 	},
-	"cachebust": func() string {
-		return cachebust
-	},
 	"color2css": func(color noire.Color) template.CSS {
 		return template.CSS(color.HTML())
 	},
@ -96,20 +101,6 @@ var HMNTemplateFuncs = template.FuncMap{
 		h, s, _, a := color.HSLA()
 		return noire.NewHSLA(h, s, lightness*100, a)
 	},
-	"projecturl": func(url string, proj interface{}) string {
-		return hmnurl.ProjectUrl(url, nil, getProjectSubdomain(proj))
-	},
-	"projecturlq": func(url string, proj interface{}, query string) string {
-		absUrl := hmnurl.ProjectUrl(url, nil, getProjectSubdomain(proj))
-		return fmt.Sprintf("%s?%s", absUrl, query)
-	},
-	"query": func(args ...string) string {
-		query := url.Values{}
-		for i := 0; i < len(args); i += 2 {
-			query.Set(args[i], args[i+1])
-		}
-		return query.Encode()
-	},
 	"relativedate": func(t time.Time) string {
 		// TODO: Support relative future dates

@ -161,9 +152,12 @@ var HMNTemplateFuncs = template.FuncMap{
 		return hmnurl.BuildTheme(filepath, theme, false)
 	},
 	"timehtml": func(formatted string, t time.Time) template.HTML {
-		iso := t.Format(time.RFC3339)
+		iso := t.UTC().Format(time.RFC3339)
 		return template.HTML(fmt.Sprintf(`<time datetime="%s">%s</time>`, iso, formatted))
 	},
+	"noescape": func(str string) template.HTML {
+		return template.HTML(str)
+	},
 }

 type ErrInvalidHexColor struct {
--- a/src/templates/types.go
+++ b/src/templates/types.go
@ -135,18 +135,37 @@ type BackgroundImage struct {
 	Size string // A valid CSS background-size value
 }

+type PostType int
+
+const (
+	PostTypeUnknown PostType = iota
+	PostTypeBlogPost
+	PostTypeBlogComment
+	PostTypeForumThread
+	PostTypeForumReply
+	PostTypeWikiCreate
+	PostTypeWikiTalk
+	PostTypeWikiEdit
+	PostTypeLibraryComment
+)
+
 // Data from post_list_item.html
 type PostListItem struct {
 	Title       string
 	Url         string
+	UUID        string
 	Breadcrumbs []Breadcrumb

+	PostType       PostType
+	PostTypePrefix string
+
 	User User
 	Date time.Time

-	Unread  bool
-	Classes string
-	Content string
+	Unread       bool
+	Classes      string
+	Preview      string
+	LastEditDate time.Time
 }

 // Data from thread_list_item.html
--- a/src/website/feed.go
+++ b/src/website/feed.go
@ -1,11 +1,15 @@
 package website

 import (
+	"fmt"
 	"math"
 	"net/http"
 	"strconv"
+	"strings"
 	"time"

+	"github.com/google/uuid"
+
 	"git.handmade.network/hmn/hmn/src/db"
 	"git.handmade.network/hmn/hmn/src/hmnurl"
 	"git.handmade.network/hmn/hmn/src/models"
@ -76,9 +80,123 @@ func Feed(c *RequestContext) ResponseData {
 		currentUserId = &c.CurrentUser.ID
 	}

+	c.Perf.StartBlock("SQL", "Fetch category tree")
+	categoryTree := models.GetFullCategoryTree(c.Context(), c.Conn)
+	lineageBuilder := models.MakeCategoryLineageBuilder(categoryTree)
+	c.Perf.EndBlock()
+
+	posts, err := fetchAllPosts(c, lineageBuilder, currentUserId, howManyPostsToSkip, postsPerPage)
+	if err != nil {
+		return ErrorResponse(http.StatusInternalServerError, oops.New(err, "failed to fetch feed posts"))
+	}
+
+	baseData := getBaseData(c)
+	baseData.BodyClasses = append(baseData.BodyClasses, "feed")
+
+	var res ResponseData
+	res.WriteTemplate("feed.html", FeedData{
+		BaseData: baseData,
+
+		AtomFeedUrl:    hmnurl.BuildAtomFeed(),
+		MarkAllReadUrl: hmnurl.BuildMarkRead(0),
+		Posts:          posts,
+		Pagination:     pagination,
+	}, c.Perf)
+
+	return res
+}
+
+type FeedType int
+
+const (
+	FeedTypeAll = iota
+	FeedTypeProjects
+	FeedTypeShowcase
+)
+
+// NOTE(asaf): UUID values copied from old website
+var (
+	FeedIDAll      = "urn:uuid:1084fd28-993a-4961-9011-39ddeaeb3711"
+	FeedIDProjects = "urn:uuid:cfad0d50-cbcf-11e7-82d7-db1d52543cc7"
+	FeedIDShowcase = "urn:uuid:37d29027-2892-5a21-b521-951246c7aa46"
+)
+
+type AtomFeedData struct {
+	Title    string
+	Subtitle string
+
+	HomepageUrl string
+	AtomFeedUrl string
+	FeedUrl     string
+
+	CopyrightStatement string
+	SiteVersion        string
+	Updated            time.Time
+	FeedID             string
+
+	FeedType FeedType
+	Posts    []templates.PostListItem
+	Projects []int // TODO(asaf): Actually do this
+	Snippets []int // TODO(asaf): Actually do this
+}
+
+func AtomFeed(c *RequestContext) ResponseData {
+	itemsPerFeed := 25 // NOTE(asaf): Copied from old website
+
+	feedData := AtomFeedData{
+		HomepageUrl: hmnurl.BuildHomepage(),
+
+		CopyrightStatement: fmt.Sprintf("Copyright (C) 2014-%d Handmade.Network and its contributors", time.Now().Year()),
+		SiteVersion:        "2.0",
+	}
+
+	feedType, hasType := c.PathParams["feedtype"]
+	if !hasType || len(feedType) == 0 {
+		feedData.Title = "New Threads, Blog Posts, Replies and Comments | Site-wide | Handmade.Network"
+		feedData.Subtitle = feedData.Title
+		feedData.FeedType = FeedTypeAll
+		feedData.FeedID = FeedIDAll
+		feedData.AtomFeedUrl = hmnurl.BuildAtomFeed()
+		feedData.FeedUrl = hmnurl.BuildFeed()
+
+		c.Perf.StartBlock("SQL", "Fetch category tree")
+		categoryTree := models.GetFullCategoryTree(c.Context(), c.Conn)
+		lineageBuilder := models.MakeCategoryLineageBuilder(categoryTree)
+		c.Perf.EndBlock()
+
+		posts, err := fetchAllPosts(c, lineageBuilder, nil, 0, itemsPerFeed)
+		if err != nil {
+			return ErrorResponse(http.StatusInternalServerError, oops.New(err, "failed to fetch feed posts"))
+		}
+		feedData.Posts = posts
+
+		updated := time.Now()
+		if len(posts) > 0 {
+			updated = posts[0].Date
+		}
+		feedData.Updated = updated
+	} else {
+		switch strings.ToLower(feedType) {
+		case "projects":
+			// TODO(asaf): Implement this
+		case "showcase":
+			// TODO(asaf): Implement this
+		default:
+			return FourOhFour(c)
+		}
+	}
+
+	var res ResponseData
+	res.WriteTemplate("atom.xml", feedData, c.Perf)
+
+	return res
+}
+
+func fetchAllPosts(c *RequestContext, lineageBuilder *models.CategoryLineageBuilder, currentUserID *int, offset int, limit int) ([]templates.PostListItem, error) {
 	c.Perf.StartBlock("SQL", "Fetch posts")
 	type feedPostQuery struct {
 		Post               models.Post             `db:"post"`
+		PostVersion        models.PostVersion      `db:"version"`
 		Thread             models.Thread           `db:"thread"`
 		Cat                models.Category         `db:"cat"`
 		Proj               models.Project          `db:"proj"`
@ -92,6 +210,7 @@ func Feed(c *RequestContext) ResponseData {
 		SELECT $columns
 		FROM
 			handmade_post AS post
+			JOIN handmade_postversion AS version ON version.id = post.current_id
 			JOIN handmade_thread AS thread ON thread.id = post.thread_id
 			JOIN handmade_category AS cat ON cat.id = post.category_id
 			JOIN handmade_project AS proj ON proj.id = post.project_id
@ -112,21 +231,16 @@ func Feed(c *RequestContext) ResponseData {
 		ORDER BY postdate DESC
 		LIMIT $3 OFFSET $4
 		`,
-		currentUserId,
+		currentUserID,
 		[]models.CategoryKind{models.CatKindForum, models.CatKindBlog, models.CatKindWiki, models.CatKindLibraryResource},
-		postsPerPage,
-		howManyPostsToSkip,
+		limit,
+		offset,
 	)
 	c.Perf.EndBlock()
 	if err != nil {
-		return ErrorResponse(http.StatusInternalServerError, oops.New(err, "failed to fetch feed posts"))
+		return nil, err
 	}

-	c.Perf.StartBlock("SQL", "Fetch category tree")
-	categoryTree := models.GetFullCategoryTree(c.Context(), c.Conn)
-	lineageBuilder := models.MakeCategoryLineageBuilder(categoryTree)
-	c.Perf.EndBlock()
-
 	c.Perf.StartBlock("FEED", "Build post items")
 	var postItems []templates.PostListItem
 	for _, iPostResult := range posts.ToSlice() {
@ -139,7 +253,7 @@ func Feed(c *RequestContext) ResponseData {
 			hasRead = true
 		}

-		postItems = append(postItems, MakePostListItem(
+		postItem := MakePostListItem(
 			lineageBuilder,
 			&postResult.Proj,
 			&postResult.Thread,
@ -149,22 +263,14 @@ func Feed(c *RequestContext) ResponseData {
 			!hasRead,
 			true,
 			c.Theme,
-		))
+		)
+
+		postItem.UUID = uuid.NewSHA1(uuid.NameSpaceURL, []byte(postItem.Url)).URN()
+		postItem.LastEditDate = postResult.PostVersion.EditDate
+
+		postItems = append(postItems, postItem)
 	}
 	c.Perf.EndBlock()

-	baseData := getBaseData(c)
-	baseData.BodyClasses = append(baseData.BodyClasses, "feed")
-
-	var res ResponseData
-	res.WriteTemplate("feed.html", FeedData{
-		BaseData: baseData,
-
-		AtomFeedUrl:    hmnurl.BuildAtomFeed(),
-		MarkAllReadUrl: hmnurl.BuildMarkRead(0),
-		Posts:          postItems,
-		Pagination:     pagination,
-	}, c.Perf)
-
-	return res
+	return postItems, nil
 }
--- a/src/website/post_helper.go
+++ b/src/website/post_helper.go
@ -29,6 +29,24 @@ func UrlForGenericPost(post *models.Post, subforums []string, threadTitle string
 	return hmnurl.BuildProjectHomepage(projectSlug)
 }

+var PostTypeMap = map[models.CategoryKind][]templates.PostType{
+	models.CatKindBlog:            []templates.PostType{templates.PostTypeBlogPost, templates.PostTypeBlogComment},
+	models.CatKindForum:           []templates.PostType{templates.PostTypeForumThread, templates.PostTypeForumReply},
+	models.CatKindWiki:            []templates.PostType{templates.PostTypeWikiCreate, templates.PostTypeWikiTalk},
+	models.CatKindLibraryResource: []templates.PostType{templates.PostTypeLibraryComment, templates.PostTypeLibraryComment},
+}
+
+var PostTypePrefix = map[templates.PostType]string{
+	templates.PostTypeBlogPost:       "New blog post",
+	templates.PostTypeBlogComment:    "Blog comment",
+	templates.PostTypeForumThread:    "New forum thread",
+	templates.PostTypeForumReply:     "Forum reply",
+	templates.PostTypeWikiCreate:     "New wiki page",
+	templates.PostTypeWikiTalk:       "Wiki comment",
+	templates.PostTypeWikiEdit:       "Wiki edit",
+	templates.PostTypeLibraryComment: "Library comment",
+}
+
 // NOTE(asaf): THIS DOESN'T HANDLE WIKI EDIT ITEMS. Wiki edits are PostTextVersions, not Posts.
 func MakePostListItem(lineageBuilder *models.CategoryLineageBuilder, project *models.Project, thread *models.Thread, post *models.Post, user *models.User, libraryResource *models.LibraryResource, unread bool, includeBreadcrumbs bool, currentTheme string) templates.PostListItem {
 	var result templates.PostListItem
@ -42,6 +60,19 @@ func MakePostListItem(lineageBuilder *models.CategoryLineageBuilder, project *mo
 		libraryResourceId = libraryResource.ID
 	}
 	result.Url = UrlForGenericPost(post, lineageBuilder.GetSubforumLineageSlugs(post.CategoryID), thread.Title, libraryResourceId, project.Slug)
+	result.Preview = post.Preview
+
+	postType := templates.PostTypeUnknown
+	postTypeOptions, found := PostTypeMap[post.CategoryKind]
+	if found {
+		var hasParent int
+		if post.ParentID != nil {
+			hasParent = 1
+		}
+		postType = postTypeOptions[hasParent]
+	}
+	result.PostType = postType
+	result.PostTypePrefix = PostTypePrefix[result.PostType]

 	if includeBreadcrumbs {
 		result.Breadcrumbs = append(result.Breadcrumbs, templates.Breadcrumb{
--- a/src/website/requesthandling.go
+++ b/src/website/requesthandling.go
@ -14,6 +14,7 @@ import (

 	"git.handmade.network/hmn/hmn/src/logging"
 	"git.handmade.network/hmn/hmn/src/models"
+	"git.handmade.network/hmn/hmn/src/oops"
 	"git.handmade.network/hmn/hmn/src/perf"
 	"git.handmade.network/hmn/hmn/src/templates"
 	"github.com/jackc/pgx/v4/pgxpool"
@ -249,7 +250,11 @@ func (rd *ResponseData) WriteTemplate(name string, data interface{}, rp *perf.Re
 		rp.StartBlock("TEMPLATE", name)
 		defer rp.EndBlock()
 	}
-	return templates.Templates[name].Execute(rd, data)
+	template, hasTemplate := templates.Templates[name]
+	if !hasTemplate {
+		panic(oops.New(nil, "Template not found: %s", name))
+	}
+	return template.Execute(rd, data)
 }

 func ErrorResponse(status int, errs ...error) ResponseData {
--- a/src/website/routes.go
+++ b/src/website/routes.go
@ -73,7 +73,7 @@ func NewWebsiteRoutes(conn *pgxpool.Pool, perfCollector *perf.PerfCollector) htt
 			}

 			if !c.CurrentProject.IsHMN() {
-				return c.Redirect(hmnurl.Url(c.URL().String(), nil), http.StatusMovedPermanently)
+				return c.Redirect(hmnurl.Url(c.URL().Path, hmnurl.QFromURL(c.URL())), http.StatusMovedPermanently)
 			}

 			return h(c)
@ -104,6 +104,7 @@ func NewWebsiteRoutes(conn *pgxpool.Pool, perfCollector *perf.PerfCollector) htt
 	staticPages.GET(hmnurl.RegexProjectSubmissionGuidelines, ProjectSubmissionGuidelines)

 	mainRoutes.GET(hmnurl.RegexFeed, Feed)
+	mainRoutes.GET(hmnurl.RegexAtomFeed, AtomFeed)

 	// TODO(asaf): Trailing slashes break these
 	mainRoutes.GET(hmnurl.RegexForumThread, ForumThread)