148 lines
4.5 KiB
Go
148 lines
4.5 KiB
Go
package renderer
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import (
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"context"
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"io"
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"strconv"
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"strings"
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"text/template"
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"time"
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"mastodon"
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)
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type Renderer interface {
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RenderErrorPage(ctx context.Context, writer io.Writer, err error)
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RenderHomePage(ctx context.Context, writer io.Writer) (err error)
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RenderSigninPage(ctx context.Context, writer io.Writer) (err error)
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RenderTimelinePage(ctx context.Context, writer io.Writer, data *TimelinePageTemplateData) (err error)
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RenderThreadPage(ctx context.Context, writer io.Writer, data *ThreadPageTemplateData) (err error)
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RenderNotificationPage(ctx context.Context, writer io.Writer, data *NotificationPageTemplateData) (err error)
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RenderUserPage(ctx context.Context, writer io.Writer, data *UserPageTemplateData) (err error)
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RenderAboutPage(ctx context.Context, writer io.Writer, data *AboutPageTemplateData) (err error)
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RenderEmojiPage(ctx context.Context, writer io.Writer, data *EmojiPageTemplateData) (err error)
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}
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type renderer struct {
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template *template.Template
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}
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func NewRenderer(templateGlobPattern string) (r *renderer, err error) {
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t := template.New("default")
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t, err = t.Funcs(template.FuncMap{
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"EmojiFilter": EmojiFilter,
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"StatusContentFilter": StatusContentFilter,
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"DisplayInteractionCount": DisplayInteractionCount,
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"TimeSince": TimeSince,
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"FormatTimeRFC3339": FormatTimeRFC3339,
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}).ParseGlob(templateGlobPattern)
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if err != nil {
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return
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}
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return &renderer{
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template: t,
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}, nil
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}
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func (r *renderer) RenderErrorPage(ctx context.Context, writer io.Writer, err error) {
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r.template.ExecuteTemplate(writer, "error.tmpl", err)
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return
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}
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func (r *renderer) RenderHomePage(ctx context.Context, writer io.Writer) (err error) {
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return r.template.ExecuteTemplate(writer, "homepage.tmpl", nil)
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}
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func (r *renderer) RenderSigninPage(ctx context.Context, writer io.Writer) (err error) {
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return r.template.ExecuteTemplate(writer, "signin.tmpl", nil)
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}
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func (r *renderer) RenderTimelinePage(ctx context.Context, writer io.Writer, data *TimelinePageTemplateData) (err error) {
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return r.template.ExecuteTemplate(writer, "timeline.tmpl", data)
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}
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func (r *renderer) RenderThreadPage(ctx context.Context, writer io.Writer, data *ThreadPageTemplateData) (err error) {
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return r.template.ExecuteTemplate(writer, "thread.tmpl", data)
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}
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func (r *renderer) RenderNotificationPage(ctx context.Context, writer io.Writer, data *NotificationPageTemplateData) (err error) {
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return r.template.ExecuteTemplate(writer, "notification.tmpl", data)
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}
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func (r *renderer) RenderUserPage(ctx context.Context, writer io.Writer, data *UserPageTemplateData) (err error) {
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return r.template.ExecuteTemplate(writer, "user.tmpl", data)
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}
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func (r *renderer) RenderAboutPage(ctx context.Context, writer io.Writer, data *AboutPageTemplateData) (err error) {
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return r.template.ExecuteTemplate(writer, "about.tmpl", data)
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}
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func (r *renderer) RenderEmojiPage(ctx context.Context, writer io.Writer, data *EmojiPageTemplateData) (err error) {
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return r.template.ExecuteTemplate(writer, "emoji.tmpl", data)
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}
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func EmojiFilter(content string, emojis []mastodon.Emoji) string {
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var replacements []string
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for _, e := range emojis {
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replacements = append(replacements, ":"+e.ShortCode+":", "<img class=\"status-emoji\" src=\""+e.URL+"\" alt=\""+e.ShortCode+"\" title=\""+e.ShortCode+"\" />")
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}
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return strings.NewReplacer(replacements...).Replace(content)
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}
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func StatusContentFilter(spoiler string, content string, emojis []mastodon.Emoji, mentions []mastodon.Mention) string {
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if len(spoiler) > 0 {
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content = spoiler + "<br />" + content
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}
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var replacements []string
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for _, e := range emojis {
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replacements = append(replacements, ":"+e.ShortCode+":", "<img class=\"status-emoji\" src=\""+e.URL+"\" alt=\""+e.ShortCode+"\" title=\""+e.ShortCode+"\" />")
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}
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for _, m := range mentions {
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replacements = append(replacements, "\""+m.URL+"\"", "\"/user/"+m.ID+"\"")
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}
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return strings.NewReplacer(replacements...).Replace(content)
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}
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func DisplayInteractionCount(c int64) string {
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if c > 0 {
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return strconv.Itoa(int(c))
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}
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return ""
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}
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func TimeSince(t time.Time) string {
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dur := time.Since(t)
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s := dur.Seconds()
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if s < 60 {
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return strconv.Itoa(int(s)) + "s"
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}
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m := dur.Minutes()
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if m < 60 {
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return strconv.Itoa(int(m)) + "m"
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}
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h := dur.Hours()
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if h < 24 {
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return strconv.Itoa(int(h)) + "h"
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}
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d := h / 24
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if d < 30 {
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return strconv.Itoa(int(d)) + "d"
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}
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mo := d / 30
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if mo < 12 {
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return strconv.Itoa(int(mo)) + "mo"
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}
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y := mo / 12
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return strconv.Itoa(int(y)) + "y"
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}
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func FormatTimeRFC3339(t time.Time) string {
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return t.Format(time.RFC3339)
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}
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