Simple blogging system written in Go https://goblog.app
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
 
 
 
 
 
 

478 lines
16 KiB

package main
import (
"fmt"
"strings"
"time"
"go.goblog.app/app/pkgs/bufferpool"
)
type summaryTyp string
const (
defaultSummary summaryTyp = "summary"
photoSummary summaryTyp = "photosummary"
)
// post summary on index pages
func (a *goBlog) renderSummary(hb *htmlBuilder, bc *configBlog, p *post, typ summaryTyp) {
if bc == nil || p == nil {
return
}
if typ == "" {
typ = defaultSummary
}
// Start article
hb.writeElementOpen("article", "class", "h-entry border-bottom")
if p.Priority > 0 {
// Is pinned post
hb.writeElementOpen("p")
hb.writeEscaped("📌 ")
hb.writeEscaped(a.ts.GetTemplateStringVariant(bc.Lang, "pinned"))
hb.writeElementClose("p")
}
if p.RenderedTitle != "" {
// Has title
hb.writeElementOpen("h2", "class", "p-name")
hb.writeElementOpen("a", "class", "u-url", "href", p.Path)
hb.writeEscaped(p.RenderedTitle)
hb.writeElementClose("a")
hb.writeElementClose("h2")
}
// Show photos in photo summary
photos := a.photoLinks(p)
if typ == photoSummary && len(photos) > 0 {
for _, photo := range photos {
_ = a.renderMarkdownToWriter(hb, fmt.Sprintf("![](%s)", photo), false)
}
}
// Post meta
a.renderPostMeta(hb, p, bc, "summary")
if typ != photoSummary && a.showFull(p) {
// Show full content
hb.writeElementOpen("div", "class", "e-content")
a.postHtmlToWriter(hb, p, false)
hb.writeElementClose("div")
} else {
// Show summary
hb.writeElementOpen("p", "class", "p-summary")
hb.writeEscaped(a.postSummary(p))
hb.writeElementClose("p")
}
// Show link to full post
hb.writeElementOpen("p")
prefix := bufferpool.Get()
if len(photos) > 0 {
// Contains photos
prefix.WriteString("🖼")
}
if p.HasTrack() {
// Has GPX track
prefix.WriteString("🗺")
}
if prefix.Len() > 0 {
prefix.WriteRune(' ')
hb.writeEscaped(prefix.String())
}
bufferpool.Put(prefix)
hb.writeElementOpen("a", "class", "u-url", "href", p.Path)
hb.writeEscaped(a.ts.GetTemplateStringVariant(bc.Lang, "view"))
hb.writeElementClose("a")
hb.writeElementClose("p")
// Finish article
hb.writeElementClose("article")
}
// list of post taxonomy values (tags, series, etc.)
func (a *goBlog) renderPostTax(hb *htmlBuilder, p *post, b *configBlog) {
if b == nil || p == nil {
return
}
// Iterate over all taxonomies
for _, tax := range b.Taxonomies {
// Get all sorted taxonomy values for this post
if taxValues := sortedStrings(p.Parameters[tax.Name]); len(taxValues) > 0 {
// Start new paragraph
hb.writeElementOpen("p")
// Add taxonomy name
hb.writeElementOpen("strong")
hb.writeEscaped(a.renderMdTitle(tax.Title))
hb.writeElementClose("strong")
hb.write(": ")
// Add taxonomy values
for i, taxValue := range taxValues {
if i > 0 {
hb.write(", ")
}
hb.writeElementOpen(
"a",
"class", "p-category",
"rel", "tag",
"href", b.getRelativePath(fmt.Sprintf("/%s/%s", tax.Name, urlize(taxValue))),
)
hb.writeEscaped(a.renderMdTitle(taxValue))
hb.writeElementClose("a")
}
// End paragraph
hb.writeElementClose("p")
}
}
}
// post meta information.
// typ can be "summary", "post" or "preview".
func (a *goBlog) renderPostMeta(hb *htmlBuilder, p *post, b *configBlog, typ string) {
if b == nil || p == nil || typ != "summary" && typ != "post" && typ != "preview" {
return
}
if typ == "summary" || typ == "post" {
hb.writeElementOpen("div", "class", "p")
}
// Published time
if published := toLocalTime(p.Published); !published.IsZero() {
hb.writeElementOpen("div")
hb.writeEscaped(a.ts.GetTemplateStringVariant(b.Lang, "publishedon"))
hb.write(" ")
hb.writeElementOpen("time", "class", "dt-published", "datetime", published.Format(time.RFC3339))
hb.writeEscaped(published.Format(isoDateFormat))
hb.writeElementClose("time")
// Section
if p.Section != "" {
if section := b.Sections[p.Section]; section != nil {
hb.write(" in ") // TODO: Replace with a proper translation
hb.writeElementOpen("a", "href", b.getRelativePath(section.Name))
hb.writeEscaped(a.renderMdTitle(section.Title))
hb.writeElementClose("a")
}
}
hb.writeElementClose("div")
}
// Updated time
if updated := toLocalTime(p.Updated); !updated.IsZero() {
hb.writeElementOpen("div")
hb.writeEscaped(a.ts.GetTemplateStringVariant(b.Lang, "updatedon"))
hb.write(" ")
hb.writeElementOpen("time", "class", "dt-updated", "datetime", updated.Format(time.RFC3339))
hb.writeEscaped(updated.Format(isoDateFormat))
hb.writeElementClose("time")
hb.writeElementClose("div")
}
// IndieWeb Meta
// Reply ("u-in-reply-to")
if replyLink := a.replyLink(p); replyLink != "" {
hb.writeElementOpen("div")
hb.writeEscaped(a.ts.GetTemplateStringVariant(b.Lang, "replyto"))
hb.writeEscaped(": ")
hb.writeElementOpen("a", "class", "u-in-reply-to", "rel", "noopener", "target", "_blank", "href", replyLink)
if replyTitle := a.replyTitle(p); replyTitle != "" {
hb.writeEscaped(replyTitle)
} else {
hb.writeEscaped(replyLink)
}
hb.writeElementClose("a")
hb.writeElementClose("div")
}
// Like ("u-like-of")
if likeLink := a.likeLink(p); likeLink != "" {
hb.writeElementOpen("div")
hb.writeEscaped(a.ts.GetTemplateStringVariant(b.Lang, "likeof"))
hb.writeEscaped(": ")
hb.writeElementOpen("a", "class", "u-like-of", "rel", "noopener", "target", "_blank", "href", likeLink)
if likeTitle := a.likeTitle(p); likeTitle != "" {
hb.writeEscaped(likeTitle)
} else {
hb.writeEscaped(likeLink)
}
hb.writeElementClose("a")
hb.writeElementClose("div")
}
// Geo
if geoURI := a.geoURI(p); geoURI != nil {
hb.writeElementOpen("div")
hb.writeEscaped("📍 ")
hb.writeElementOpen("a", "class", "p-location h-geo", "target", "_blank", "rel", "nofollow noopener noreferrer", "href", geoOSMLink(geoURI))
hb.writeElementOpen("span", "class", "p-name")
hb.writeEscaped(a.geoTitle(geoURI, b.Lang))
hb.writeElementClose("span")
hb.writeElementOpen("data", "class", "p-longitude", "value", fmt.Sprintf("%f", geoURI.Longitude))
hb.writeElementClose("data")
hb.writeElementOpen("data", "class", "p-latitude", "value", fmt.Sprintf("%f", geoURI.Latitude))
hb.writeElementClose("data")
hb.writeElementClose("a")
hb.writeElementClose("div")
}
// Post specific elements
if typ == "post" {
// Translations
if translations := a.postTranslations(p); len(translations) > 0 {
hb.writeElementOpen("div")
hb.writeEscaped(a.ts.GetTemplateStringVariant(b.Lang, "translations"))
hb.writeEscaped(": ")
for i, translation := range translations {
if i > 0 {
hb.writeEscaped(", ")
}
hb.writeElementOpen("a", "translate", "no", "href", translation.Path)
hb.writeEscaped(translation.RenderedTitle)
hb.writeElementClose("a")
}
hb.writeElementClose("div")
}
// Short link
if shortLink := a.shortPostURL(p); shortLink != "" {
hb.writeElementOpen("div")
hb.writeEscaped(a.ts.GetTemplateStringVariant(b.Lang, "shorturl"))
hb.writeEscaped(" ")
hb.writeElementOpen("a", "rel", "shortlink", "href", shortLink)
hb.writeEscaped(shortLink)
hb.writeElementClose("a")
hb.writeElementClose("div")
}
// Status
if p.Status != statusPublished {
hb.writeElementOpen("div")
hb.writeEscaped(a.ts.GetTemplateStringVariant(b.Lang, "status"))
hb.writeEscaped(": ")
hb.writeEscaped(string(p.Status))
hb.writeElementClose("div")
}
}
if typ == "summary" || typ == "post" {
hb.writeElementClose("div")
}
}
// warning for old posts
func (a *goBlog) renderOldContentWarning(hb *htmlBuilder, p *post, b *configBlog) {
if b == nil || p == nil || !p.Old() {
return
}
hb.writeElementOpen("strong", "class", "p border-top border-bottom")
hb.writeEscaped(a.ts.GetTemplateStringVariant(b.Lang, "oldcontent"))
hb.writeElementClose("strong")
}
func (a *goBlog) renderInteractions(hb *htmlBuilder, rd *renderData) {
// Start accordion
hb.writeElementOpen("details", "class", "p", "id", "interactions")
hb.writeElementOpen("summary")
hb.writeElementOpen("strong")
hb.writeEscaped(a.ts.GetTemplateStringVariant(rd.Blog.Lang, "interactions"))
hb.writeElementClose("strong")
hb.writeElementClose("summary")
// Render mentions
var renderMentions func(m []*mention)
renderMentions = func(m []*mention) {
if len(m) == 0 {
return
}
hb.writeElementOpen("ul")
for _, mention := range m {
hb.writeElementOpen("li")
hb.writeElementOpen("a", "href", mention.Url, "target", "_blank", "rel", "nofollow noopener noreferrer ugc")
hb.writeEscaped(defaultIfEmpty(mention.Author, mention.Url))
hb.writeElementClose("a")
if mention.Title != "" {
hb.write(" ")
hb.writeElementOpen("strong")
hb.writeEscaped(mention.Title)
hb.writeElementClose("strong")
}
if mention.Content != "" {
hb.write(" ")
hb.writeElementOpen("i")
hb.writeEscaped(mention.Content)
hb.writeElementClose("i")
}
if len(mention.Submentions) > 0 {
renderMentions(mention.Submentions)
}
hb.writeElementClose("li")
}
hb.writeElementClose("ul")
}
renderMentions(a.db.getWebmentionsByAddress(rd.Canonical))
// Show form to send a webmention
hb.writeElementOpen("form", "class", "fw p", "method", "post", "action", "/webmention")
hb.writeElementOpen("label", "for", "wm-source", "class", "p")
hb.writeEscaped(a.ts.GetTemplateStringVariant(rd.Blog.Lang, "interactionslabel"))
hb.writeElementClose("label")
hb.writeElementOpen("input", "id", "wm-source", "type", "url", "name", "source", "placeholder", "URL", "required", "")
hb.writeElementOpen("input", "type", "hidden", "name", "target", "value", rd.Canonical)
hb.writeElementOpen("input", "type", "submit", "value", a.ts.GetTemplateStringVariant(rd.Blog.Lang, "send"))
hb.writeElementClose("form")
// Show form to create a new comment
hb.writeElementOpen("form", "class", "fw p", "method", "post", "action", "/comment")
hb.writeElementOpen("input", "type", "hidden", "name", "target", "value", rd.Canonical)
hb.writeElementOpen("input", "type", "text", "name", "name", "placeholder", a.ts.GetTemplateStringVariant(rd.Blog.Lang, "nameopt"))
hb.writeElementOpen("input", "type", "url", "name", "website", "placeholder", a.ts.GetTemplateStringVariant(rd.Blog.Lang, "websiteopt"))
hb.writeElementOpen("textarea", "name", "comment", "required", "", "placeholder", a.ts.GetTemplateStringVariant(rd.Blog.Lang, "comment"))
hb.writeElementClose("textarea")
hb.writeElementOpen("input", "type", "submit", "value", a.ts.GetTemplateStringVariant(rd.Blog.Lang, "docomment"))
hb.writeElementClose("form")
// Finish accordion
hb.writeElementClose("details")
}
// author h-card
func (a *goBlog) renderAuthor(hb *htmlBuilder) {
user := a.cfg.User
if user == nil {
return
}
hb.writeElementOpen("div", "class", "p-author h-card hide")
if user.Picture != "" {
hb.writeElementOpen("data", "class", "u-photo", "value", user.Picture)
hb.writeElementClose("data")
}
if user.Name != "" {
hb.writeElementOpen("a", "class", "p-name u-url", "rel", "me", "href", defaultIfEmpty(user.Link, "/"))
hb.writeEscaped(user.Name)
hb.writeElementClose("a")
}
hb.writeElementClose("div")
}
// head meta tags for a post
func (a *goBlog) renderPostHeadMeta(hb *htmlBuilder, p *post, canonical string) {
if p == nil {
return
}
if canonical != "" {
hb.writeElementOpen("meta", "property", "og:url", "content", canonical)
hb.writeElementOpen("meta", "property", "twitter:url", "content", canonical)
}
if p.RenderedTitle != "" {
hb.writeElementOpen("meta", "property", "og:title", "content", p.RenderedTitle)
hb.writeElementOpen("meta", "property", "twitter:title", "content", p.RenderedTitle)
}
if summary := a.postSummary(p); summary != "" {
hb.writeElementOpen("meta", "name", "description", "content", summary)
hb.writeElementOpen("meta", "property", "og:description", "content", summary)
hb.writeElementOpen("meta", "property", "twitter:description", "content", summary)
}
if published := toLocalTime(p.Published); !published.IsZero() {
hb.writeElementOpen("meta", "itemprop", "datePublished", "content", published.Format(time.RFC3339))
}
if updated := toLocalTime(p.Updated); !updated.IsZero() {
hb.writeElementOpen("meta", "itemprop", "dateModified", "content", updated.Format(time.RFC3339))
}
for _, img := range a.photoLinks(p) {
hb.writeElementOpen("meta", "itemprop", "image", "content", img)
hb.writeElementOpen("meta", "property", "og:image", "content", img)
hb.writeElementOpen("meta", "property", "twitter:image", "content", img)
}
}
// TOR notice in the footer
func (a *goBlog) renderTorNotice(hb *htmlBuilder, rd *renderData) {
if !a.cfg.Server.Tor || (!rd.TorUsed && rd.TorAddress == "") {
return
}
if rd.TorUsed {
hb.writeElementOpen("p", "id", "tor")
hb.writeEscaped("🔐 ")
hb.writeEscaped(a.ts.GetTemplateStringVariant(rd.Blog.Lang, "connectedviator"))
hb.writeElementClose("p")
} else if rd.TorAddress != "" {
hb.writeElementOpen("p", "id", "tor")
hb.writeEscaped("🔓 ")
hb.writeElementOpen("a", "href", rd.TorAddress)
hb.writeEscaped(a.ts.GetTemplateStringVariant(rd.Blog.Lang, "connectviator"))
hb.writeElementClose("a")
hb.writeEscaped(" ")
hb.writeElementOpen("a", "href", "https://www.torproject.org/", "target", "_blank", "rel", "nofollow noopener noreferrer")
hb.writeEscaped(a.ts.GetTemplateStringVariant(rd.Blog.Lang, "whatistor"))
hb.writeElementClose("a")
hb.writeElementClose("p")
}
}
func (a *goBlog) renderTitleTag(hb *htmlBuilder, blog *configBlog, optionalTitle string) {
hb.writeElementOpen("title")
if optionalTitle != "" {
hb.writeEscaped(optionalTitle)
hb.writeEscaped(" - ")
}
hb.writeEscaped(a.renderMdTitle(blog.Title))
hb.writeElementClose("title")
}
func (a *goBlog) renderPagination(hb *htmlBuilder, blog *configBlog, hasPrev, hasNext bool, prev, next string) {
// Navigation
if hasPrev {
hb.writeElementOpen("p")
hb.writeElementOpen("a", "href", prev) // TODO: rel=prev?
hb.writeEscaped(a.ts.GetTemplateStringVariant(blog.Lang, "prev"))
hb.writeElementClose("a")
hb.writeElementClose("p")
}
if hasNext {
hb.writeElementOpen("p")
hb.writeElementOpen("a", "href", next) // TODO: rel=next?
hb.writeEscaped(a.ts.GetTemplateStringVariant(blog.Lang, "next"))
hb.writeElementClose("a")
hb.writeElementClose("p")
}
}
func (*goBlog) renderPostTitle(hb *htmlBuilder, p *post) {
if p == nil || p.RenderedTitle == "" {
return
}
hb.writeElementOpen("h1", "class", "p-name")
hb.writeEscaped(p.RenderedTitle)
hb.writeElementClose("h1")
}
func (a *goBlog) renderPostGPX(hb *htmlBuilder, p *post, b *configBlog) {
if p == nil || !p.HasTrack() {
return
}
track, err := a.getTrack(p)
if err != nil || track == nil || !track.HasPoints {
return
}
// Track stats
hb.writeElementOpen("p")
if track.Name != "" {
hb.writeElementOpen("strong")
hb.writeEscaped(track.Name)
hb.writeElementClose("strong")
hb.write(" ")
}
if track.Kilometers != "" {
hb.write("🏁 ")
hb.writeEscaped(track.Kilometers)
hb.write(" ")
hb.writeEscaped(a.ts.GetTemplateStringVariant(b.Lang, "kilometers"))
hb.write(" ")
}
if track.Hours != "" {
hb.write("⏱ ")
hb.writeEscaped(track.Hours)
}
hb.writeElementClose("p")
// Map
hb.writeElementOpen(
"div", "id", "map", "class", "p",
"data-paths", track.PathsJSON,
"data-points", track.PointsJSON,
"data-minzoom", track.MinZoom, "data-maxzoom", track.MaxZoom,
"data-attribution", track.MapAttribution,
)
hb.writeElementClose("div")
hb.writeElementOpen("script", "defer", "", "src", a.assetFileName("js/geomap.js"))
hb.writeElementClose("script")
}
func (a *goBlog) renderPostReactions(hb *htmlBuilder, p *post) {
if !a.reactionsEnabledForPost(p) {
return
}
hb.writeElementOpen("div", "id", "reactions", "class", "actions", "data-path", p.Path, "data-allowed", strings.Join(allowedReactions, ","))
hb.writeElementClose("div")
hb.writeElementOpen("script", "defer", "", "src", a.assetFileName("js/reactions.js"))
hb.writeElementClose("script")
}