mirror of
https://github.com/osmarks/mycorrhiza.git
synced 2024-10-30 19:56:16 +00:00
134 lines
3.6 KiB
Go
134 lines
3.6 KiB
Go
package main
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import (
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"fmt"
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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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"time"
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"github.com/gorilla/mux"
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)
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// GetRevision finds revision with id `id` of `hyphaName` in `hyphae`.
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// If `id` is `"0"`, it means the last revision.
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// If no such revision is found, last return value is false.
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func GetRevision(hyphaName string, id string) (Revision, bool) {
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log.Println("Getting hypha", hyphaName, id)
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if hypha, ok := hyphae[hyphaName]; ok {
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if id == "0" {
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id = hypha.NewestRevision()
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}
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if rev, ok := hypha.Revisions[id]; ok {
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return *rev, true
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}
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}
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return Revision{}, false
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}
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// RevInMap finds value of `rev` (the one from URL queries like) in the passed map that is usually got from `mux.Vars(*http.Request)`.
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// If there is no `rev`, return "0".
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func RevInMap(m map[string]string) string {
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if id, ok := m["rev"]; ok {
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return id
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}
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return "0"
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}
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// `rootWikiDir` is a directory where all wiki files reside.
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// `templatesDir` is where templates are.
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var rootWikiDir, templatesDir string
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// `hyphae` is a map with all hyphae. Many functions use it.
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var hyphae map[string]*Hypha
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func main() {
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if len(os.Args) == 1 {
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panic("Expected a root wiki pages directory")
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}
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// Required so the rootWikiDir hereinbefore does not get redefined.
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var err error
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rootWikiDir, err = filepath.Abs(os.Args[1])
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if err != nil {
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panic(err)
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}
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templatesDir = filepath.Join(filepath.Dir(rootWikiDir), "templates")
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log.Println("Welcome to MycorrhizaWiki α")
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log.Println("Indexing hyphae...")
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hyphae = recurFindHyphae(rootWikiDir)
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log.Println("Indexed", len(hyphae), "hyphae. Ready to accept requests.")
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// Start server code. See handlers.go for handlers' implementations.
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r := mux.NewRouter()
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r.Queries("action", "getBinary", "rev", revQuery).Path(hyphaUrl).
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HandlerFunc(HandlerGetBinary)
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r.Queries("action", "getBinary").Path(hyphaUrl).
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HandlerFunc(HandlerGetBinary)
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r.Queries("action", "raw", "rev", revQuery).Path(hyphaUrl).
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HandlerFunc(HandlerRaw)
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r.Queries("action", "raw").Path(hyphaUrl).
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HandlerFunc(HandlerRaw)
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r.Queries("action", "zen", "rev", revQuery).Path(hyphaUrl).
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HandlerFunc(HandlerZen)
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r.Queries("action", "zen").Path(hyphaUrl).
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HandlerFunc(HandlerZen)
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r.Queries("action", "view", "rev", revQuery).Path(hyphaUrl).
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HandlerFunc(HandlerView)
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r.Queries("action", "view").Path(hyphaUrl).
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HandlerFunc(HandlerView)
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r.Queries("action", "history").Path(hyphaUrl).
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HandlerFunc(HandlerHistory)
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r.Queries("action", "edit").Path(hyphaUrl).
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HandlerFunc(HandlerEdit)
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r.Queries("action", "rewind", "rev", revQuery).Path(hyphaUrl).
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HandlerFunc(HandlerRewind)
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r.Queries("action", "delete").Path(hyphaUrl).
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HandlerFunc(HandlerDelete)
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r.Queries("action", "rename", "to", hyphaPattern).Path(hyphaUrl).
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HandlerFunc(HandlerRename)
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r.Queries("action", "update").Path(hyphaUrl).Methods("POST").
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HandlerFunc(HandlerUpdate)
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r.HandleFunc(hyphaUrl, HandlerView)
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// Debug page that renders all hyphae.
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// TODO: make it redirect to home page.
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// TODO: make a home page.
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r.HandleFunc("/", func(w http.ResponseWriter, rq *http.Request) {
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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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for _, h := range hyphae {
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log.Println("Rendering latest revision of hypha", h.FullName)
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html, err := h.AsHtml("0", w)
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if err != nil {
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fmt.Fprintln(w, err)
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}
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fmt.Fprintln(w, html)
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}
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})
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http.Handle("/", r)
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srv := &http.Server{
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Handler: r,
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Addr: "127.0.0.1:8000",
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// Good practice: enforce timeouts for servers you create!
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WriteTimeout: 15 * time.Second,
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ReadTimeout: 15 * time.Second,
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}
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log.Fatal(srv.ListenAndServe())
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}
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