mirror of
https://github.com/osmarks/mycorrhiza.git
synced 2024-12-12 05:20:26 +00:00
119 lines
3.5 KiB
Go
119 lines
3.5 KiB
Go
package main
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import (
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"fmt"
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"io/ioutil"
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"log"
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"net/http"
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"os"
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"path/filepath"
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"strings"
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"github.com/bouncepaw/mycorrhiza/history"
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"github.com/bouncepaw/mycorrhiza/markup"
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"github.com/bouncepaw/mycorrhiza/templates"
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"github.com/bouncepaw/mycorrhiza/tree"
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"github.com/bouncepaw/mycorrhiza/util"
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)
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func init() {
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http.HandleFunc("/page/", handlerPage)
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http.HandleFunc("/text/", handlerText)
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http.HandleFunc("/binary/", handlerBinary)
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http.HandleFunc("/history/", handlerHistory)
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http.HandleFunc("/rev/", handlerRevision)
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}
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// handlerRevision displays a specific revision of text part a page
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func handlerRevision(w http.ResponseWriter, rq *http.Request) {
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log.Println(rq.URL)
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var (
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shorterUrl = strings.TrimPrefix(rq.URL.Path, "/rev/")
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firstSlashIndex = strings.IndexRune(shorterUrl, '/')
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revHash = shorterUrl[:firstSlashIndex]
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hyphaName = CanonicalName(shorterUrl[firstSlashIndex+1:])
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contents = fmt.Sprintf(`<p>This hypha had no text at this revision.</p>`)
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textPath = hyphaName + ".myco"
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textContents, err = history.FileAtRevision(textPath, revHash)
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)
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if err == nil {
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contents = markup.ToHtml(hyphaName, textContents)
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}
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page := templates.RevisionHTML(
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rq,
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hyphaName,
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naviTitle(hyphaName),
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contents,
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tree.TreeAsHtml(hyphaName, IterateHyphaNamesWith),
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revHash,
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)
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w.Header().Set("Content-Type", "text/html;charset=utf-8")
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w.WriteHeader(http.StatusOK)
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w.Write([]byte(base(hyphaName, page)))
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}
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// handlerHistory lists all revisions of a hypha
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func handlerHistory(w http.ResponseWriter, rq *http.Request) {
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log.Println(rq.URL)
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hyphaName := HyphaNameFromRq(rq, "history")
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var tbody string
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// History can be found for files that do not exist anymore.
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revs, err := history.Revisions(hyphaName)
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if err == nil {
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for _, rev := range revs {
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tbody += rev.AsHtmlTableRow(hyphaName)
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}
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}
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log.Println("Found", len(revs), "revisions for", hyphaName)
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util.HTTP200Page(w,
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base(hyphaName, templates.HistoryHTML(rq, hyphaName, tbody)))
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}
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// handlerText serves raw source text of the hypha.
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func handlerText(w http.ResponseWriter, rq *http.Request) {
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log.Println(rq.URL)
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hyphaName := HyphaNameFromRq(rq, "text")
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if data, ok := HyphaStorage[hyphaName]; ok {
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log.Println("Serving", data.textPath)
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w.Header().Set("Content-Type", "text/plain; charset=utf-8")
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http.ServeFile(w, rq, data.textPath)
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}
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}
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// handlerBinary serves binary part of the hypha.
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func handlerBinary(w http.ResponseWriter, rq *http.Request) {
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log.Println(rq.URL)
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hyphaName := HyphaNameFromRq(rq, "binary")
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if data, ok := HyphaStorage[hyphaName]; ok {
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log.Println("Serving", data.binaryPath)
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w.Header().Set("Content-Type", ExtensionToMime(filepath.Ext(data.binaryPath)))
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http.ServeFile(w, rq, data.binaryPath)
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}
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}
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// handlerPage is the main hypha action that displays the hypha and the binary upload form along with some navigation.
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func handlerPage(w http.ResponseWriter, rq *http.Request) {
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log.Println(rq.URL)
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var (
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hyphaName = HyphaNameFromRq(rq, "page")
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data, hyphaExists = HyphaStorage[hyphaName]
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contents string
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)
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if hyphaExists {
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fileContentsT, errT := ioutil.ReadFile(data.textPath)
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_, errB := os.Stat(data.binaryPath)
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if errT == nil {
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contents = markup.ToHtml(hyphaName, string(fileContentsT))
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}
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if !os.IsNotExist(errB) {
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contents = binaryHtmlBlock(hyphaName, data) + contents
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}
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}
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util.HTTP200Page(w, base(hyphaName, templates.PageHTML(rq, hyphaName,
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naviTitle(hyphaName),
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contents,
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tree.TreeAsHtml(hyphaName, IterateHyphaNamesWith))))
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}
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