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