262 lines
7.8 KiB
Go
262 lines
7.8 KiB
Go
package main
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import (
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"bytes"
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"fmt"
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"html"
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"log"
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"net/http"
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"net/url"
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"strings"
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)
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func (this *Application) Templatepage(w http.ResponseWriter, r *http.Request, pageDesc, extraHead string, cb func()) {
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pageTitle := this.cfg.Template.AppName
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if pageDesc != "" {
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pageTitle = pageDesc + ` | ` + pageTitle
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}
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w.Header().Set(`Content-Type`, `text/html; charset=UTF-8`)
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w.WriteHeader(200)
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fmt.Fprint(w, `<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta http-equiv="X-UA-Compatible" content="IE=edge">
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<meta charset="UTF-8">
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<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1">
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<title>`+html.EscapeString(pageTitle)+`</title>
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`+extraHead+`
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<link rel="shortcut icon" href="/static/logo.png" type="image/png">
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<link rel="apple-touch-icon" href="/static/logo.png" type="image/png">
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<link type="text/css" rel="stylesheet" href="/static/style.css">
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</head>
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<body>
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<div id="container">
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<div id="content">
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<h1><a href="/"><div id="logo"></div>`+html.EscapeString(this.cfg.Template.AppName)+`</a></h1>
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`)
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cb()
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fmt.Fprint(w, `
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</body>
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<script type="text/javascript" src="/static/site.js"></script>
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</html>
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`)
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}
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func (this *Application) internalError(w http.ResponseWriter, r *http.Request, err error) {
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log.Printf("%s %s: %s", r.Method, r.URL.Path, err)
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http.Error(w, "An internal error occurred.", 500)
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}
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func (this *Application) Delay(w http.ResponseWriter, r *http.Request) {
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this.Templatepage(w, r, "Loading...", "", func() {
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fmt.Fprintf(w, `
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<h2>Loading, please wait...</h2>
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<meta http-equiv="refresh" content="5">
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`)
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})
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}
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func (this *Application) Homepage(w http.ResponseWriter, r *http.Request) {
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this.reposMut.RLock()
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defer this.reposMut.RUnlock()
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if len(this.reposCache) == 0 {
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// We haven't loaded the repositories from Gitea yet
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this.Delay(w, r)
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return
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}
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// Ready for template
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this.Templatepage(w, r, "", "", func() {
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fmt.Fprint(w, `
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`+this.cfg.Template.HomepageHeaderHTML+`
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<select id="sortorder" style="float:right;">
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<option value="data-sort-al">Alphabetical</option>
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<option value="data-sort-ls">Lifespan</option>
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<option value="data-sort-ct" selected>Recent projects</option>
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<option value="data-sort-mt">Recent updates</option>
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</select>
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<h2>Projects <small>(`+fmt.Sprintf("%d", len(this.reposCache))+`)</small></h2>
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<table id="projtable-main" class="projtable">
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`)
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for _, repo := range this.reposCache {
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pageHref := html.EscapeString(`/` + url.PathEscape(repo.Name))
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normalisedDesc := repo.Description
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normalisedDesc = strings.TrimRight(repo.Description, `.`)
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if len(normalisedDesc) > 0 {
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// Lowercase the first letter of the description, unless it starts with an acronym (all letters uppercase first word) or CamelCase word
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firstWord := strings.SplitN(normalisedDesc, " ", 2)[0]
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isAcronymOrCamelCase := len(firstWord) > 1 && (firstWord[1:] != strings.ToLower(firstWord[1:]))
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if !(isAcronymOrCamelCase || firstWord == `Go`) {
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normalisedDesc = strings.ToLower(normalisedDesc[0:1]) + normalisedDesc[1:]
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}
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// Add leading `<COMMA><SPACE>` to separate from the repo title
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normalisedDesc = `, ` + normalisedDesc
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}
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rowClass := ""
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for _, topic := range repo.topics {
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rowClass += `taggedWith-` + topic + ` `
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}
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fmt.Fprint(w, `
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<tr
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class="`+html.EscapeString(rowClass)+`"
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data-sort-al="`+fmt.Sprintf("-%d", this.reposAlphabeticalOrder[repo.Name])+`"
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data-sort-ls="`+fmt.Sprintf("%.0f", repo.newestCommit.Sub(repo.GiteaCreated).Seconds())+`"
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data-sort-ct="`+fmt.Sprintf("%d", repo.GiteaCreated.Unix())+`"
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data-sort-mt="`+fmt.Sprintf("%d", repo.newestCommit.Unix())+`"
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>
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<td>
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<a href="`+pageHref+`"><img class="homeimage" loading="lazy" src="`+html.EscapeString(`/:banner/`+url.PathEscape(repo.Name))+`"></div></a>
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</td>
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<td>
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<strong>`+html.EscapeString(repo.Name)+`</strong>`+html.EscapeString(normalisedDesc)+`
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<a href="`+pageHref+`" class="article-read-more">more...</a>
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<br>
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<small>
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`)
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for _, topic := range repo.topics {
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fmt.Fprint(w, `<a class="tag tag-link" data-tag="`+html.EscapeString(topic)+`">`+html.EscapeString(topic)+`</a> `)
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}
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fmt.Fprint(w, `
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</small>
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</td>
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</tr>
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`)
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}
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fmt.Fprint(w, `
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</table>
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`)
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})
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}
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func (this *Application) Bannerpage(w http.ResponseWriter, r *http.Request, repoName string) {
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ctx := r.Context()
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images, err := this.imageFilesForRepo(ctx, repoName)
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if err != nil {
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this.internalError(w, r, fmt.Errorf("listing images: %w", err))
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return
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}
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if len(images) == 0 {
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w.Header().Set(`Location`, `/static/no_image.png`)
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w.WriteHeader(301)
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return
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}
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w.Header().Set(`Location`, images[0].RawURL)
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w.WriteHeader(301)
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}
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func (this *Application) Repopage(w http.ResponseWriter, r *http.Request, repoName string) {
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ctx := r.Context()
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repoURL := this.cfg.Gitea.URL + url.PathEscape(this.cfg.Gitea.Org) + `/` + url.PathEscape(repoName)
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extraHead := ""
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readme, err := this.repoFile(ctx, repoName, `README.md`)
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if err != nil {
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this.internalError(w, r, fmt.Errorf("loading README.md: %w", err))
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return
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}
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lines := strings.Split(string(readme), "\n")
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// Check if this repo has the 'article' tag
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hasArticleTag := false
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this.reposMut.RLock()
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for _, rr := range this.reposCache {
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if rr.Name != repoName {
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continue
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}
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for _, topic := range rr.topics {
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if topic == "article" {
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hasArticleTag = true
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break
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}
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}
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}
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this.reposMut.RUnlock()
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// We add some extra badges based on special text entries
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extraBadgesMd := ``
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if !hasArticleTag {
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extraBadgesMd += ` %%REPLACEME__BADGE%%`
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}
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extraBadgesMd += ` [](` + repoURL + `)`
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// Inject more badges to 3rd line; or, create badges on 3rd line if there are none already
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if len(lines) >= 3 && strings.Contains(lines[2], `shields.io`) {
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lines[2] += ` ` + extraBadgesMd
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} else {
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// Push other lines down
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lines = append([]string{lines[0], lines[1], extraBadgesMd, ""}, lines[2:]...)
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}
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readmeHtml, err := this.renderMarkdown(ctx, repoName, strings.Join(lines, "\n"))
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if err != nil {
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this.internalError(w, r, fmt.Errorf("rendering markdown: %w", err))
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return
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}
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readmeHtml = []byte(strings.Replace(string(readmeHtml), `%%REPLACEME__BADGE%%`, `<img src="/static/build_success_brightgreen.svg" style="width:90px;height:20px;">`, 1))
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images, err := this.imageFilesForRepo(ctx, repoName)
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if err != nil {
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this.internalError(w, r, fmt.Errorf("listing images: %w", err))
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return
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}
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// If the Git repository contains a top-level go.mod file, allow vanity imports
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if goMod, err := this.repoFile(ctx, repoName, `go.mod`); err == nil {
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// Check the first line should be `module MODULENAME\n`
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firstLine := bytes.SplitN(goMod, []byte("\n"), 2)[0]
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if bytes.HasPrefix(firstLine, []byte("module ")) {
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moduleName := firstLine[7:]
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extraHead = `<meta name="go-import" content="` + html.EscapeString(string(moduleName)) + ` git ` + repoURL + `.git">`
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}
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}
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// De-escalate all headers in rendered markdown to match our style
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repl := strings.NewReplacer(`<h1`, `<h2`, `<h2`, `<h3`, `<h3`, `<h4`,
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`</h1>`, `</h2>`, `</h2>`, `</h3>`, `</h3>`, `</h4>`)
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// Ready for template
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this.Templatepage(w, r, repoName, extraHead, func() {
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projBodyclass := `projbody`
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if len(images) > 0 {
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projBodyclass += ` projbody_halfw`
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}
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fmt.Fprint(w, `<div class="projinfo"><div class="`+projBodyclass+`">`)
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repl.WriteString(w, string(readmeHtml))
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fmt.Fprint(w, `</div>`)
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if len(images) > 0 {
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fmt.Fprint(w, `<div class="projimg">`)
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for _, img := range images {
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fmt.Fprint(w, `<a href="`+html.EscapeString(img.RawURL)+`"><img alt="" class="thumbimage" src="`+html.EscapeString(img.RawURL)+`" /></a>`)
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}
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fmt.Fprint(w, `</div>`)
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}
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fmt.Fprint(w, `<div style="clear:both;"></div>`)
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fmt.Fprint(w, `</div>`) // projbody
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})
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}
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