Refactor and document some stuff

2025-12-04 07:38:06 +00:00 · 2021-05-11 13:33:00 +05:00
parent d69ce77251
commit a1852d363e
18 changed files with 141 additions and 101 deletions
--- a/web/readers.go
+++ b/web/readers.go
@@ -0,0 +1,148 @@
+package web
+
+import (
+	"fmt"
+	"io/ioutil"
+	"log"
+	"net/http"
+	"os"
+	"path/filepath"
+	"strings"
+
+	"github.com/bouncepaw/mycorrhiza/history"
+	"github.com/bouncepaw/mycorrhiza/hyphae"
+	"github.com/bouncepaw/mycorrhiza/markup"
+	"github.com/bouncepaw/mycorrhiza/mimetype"
+	"github.com/bouncepaw/mycorrhiza/user"
+	"github.com/bouncepaw/mycorrhiza/util"
+	"github.com/bouncepaw/mycorrhiza/views"
+)
+
+func initReaders() {
+	http.HandleFunc("/page/", handlerHypha)
+	http.HandleFunc("/hypha/", handlerHypha)
+	http.HandleFunc("/text/", handlerText)
+	http.HandleFunc("/binary/", handlerBinary)
+	http.HandleFunc("/rev/", handlerRevision)
+	http.HandleFunc("/primitive-diff/", handlerPrimitiveDiff)
+	http.HandleFunc("/attachment/", handlerAttachment)
+}
+
+func handlerAttachment(w http.ResponseWriter, rq *http.Request) {
+	util.PrepareRq(rq)
+	var (
+		hyphaName = util.HyphaNameFromRq(rq, "attachment")
+		h         = hyphae.ByName(hyphaName)
+		u         = user.FromRequest(rq)
+	)
+	util.HTTP200Page(w,
+		views.BaseHTML(
+			fmt.Sprintf("Attachment of %s", util.BeautifulName(hyphaName)),
+			views.AttachmentMenuHTML(rq, h, u),
+			u))
+}
+
+func handlerPrimitiveDiff(w http.ResponseWriter, rq *http.Request) {
+	util.PrepareRq(rq)
+	var (
+		shorterUrl      = strings.TrimPrefix(rq.URL.Path, "/primitive-diff/")
+		firstSlashIndex = strings.IndexRune(shorterUrl, '/')
+		revHash         = shorterUrl[:firstSlashIndex]
+		hyphaName       = util.CanonicalName(shorterUrl[firstSlashIndex+1:])
+		h               = hyphae.ByName(hyphaName)
+		u               = user.FromRequest(rq)
+	)
+	util.HTTP200Page(w,
+		views.BaseHTML(
+			fmt.Sprintf("Diff of %s at %s", hyphaName, revHash),
+			views.PrimitiveDiffHTML(rq, h, u, revHash),
+			u))
+}
+
+// handlerRevision displays a specific revision of text part a page
+func handlerRevision(w http.ResponseWriter, rq *http.Request) {
+	util.PrepareRq(rq)
+	var (
+		shorterUrl        = strings.TrimPrefix(rq.URL.Path, "/rev/")
+		firstSlashIndex   = strings.IndexRune(shorterUrl, '/')
+		revHash           = shorterUrl[:firstSlashIndex]
+		hyphaName         = util.CanonicalName(shorterUrl[firstSlashIndex+1:])
+		h                 = hyphae.ByName(hyphaName)
+		contents          = fmt.Sprintf(`<p>This hypha had no text at this revision.</p>`)
+		textContents, err = history.FileAtRevision(h.TextPath, revHash)
+		u                 = user.FromRequest(rq)
+	)
+	if err == nil {
+		contents = markup.Doc(hyphaName, textContents).AsHTML()
+	}
+	page := views.RevisionHTML(
+		rq,
+		h,
+		contents,
+		revHash,
+	)
+	w.Header().Set("Content-Type", "text/html;charset=utf-8")
+	w.WriteHeader(http.StatusOK)
+	w.Write([]byte(views.BaseHTML(util.BeautifulName(hyphaName), page, u)))
+}
+
+// handlerText serves raw source text of the hypha.
+func handlerText(w http.ResponseWriter, rq *http.Request) {
+	util.PrepareRq(rq)
+	hyphaName := util.HyphaNameFromRq(rq, "text")
+	if h := hyphae.ByName(hyphaName); h.Exists {
+		log.Println("Serving", h.TextPath)
+		w.Header().Set("Content-Type", "text/plain; charset=utf-8")
+		http.ServeFile(w, rq, h.TextPath)
+	}
+}
+
+// handlerBinary serves binary part of the hypha.
+func handlerBinary(w http.ResponseWriter, rq *http.Request) {
+	util.PrepareRq(rq)
+	hyphaName := util.HyphaNameFromRq(rq, "binary")
+	if h := hyphae.ByName(hyphaName); h.Exists {
+		log.Println("Serving", h.BinaryPath)
+		w.Header().Set("Content-Type", mimetype.FromExtension(filepath.Ext(h.BinaryPath)))
+		http.ServeFile(w, rq, h.BinaryPath)
+	}
+}
+
+// handlerHypha is the main hypha action that displays the hypha and the binary upload form along with some navigation.
+func handlerHypha(w http.ResponseWriter, rq *http.Request) {
+	util.PrepareRq(rq)
+	var (
+		hyphaName = util.HyphaNameFromRq(rq, "page", "hypha")
+		h         = hyphae.ByName(hyphaName)
+		contents  string
+		openGraph string
+		u         = user.FromRequest(rq)
+	)
+	if h.Exists {
+		fileContentsT, errT := ioutil.ReadFile(h.TextPath)
+		_, errB := os.Stat(h.BinaryPath)
+		if errT == nil {
+			md := markup.Doc(hyphaName, string(fileContentsT))
+			contents = md.AsHTML()
+			openGraph = md.OpenGraphHTML()
+		}
+		if !os.IsNotExist(errB) {
+			contents = views.AttachmentHTML(h) + contents
+		}
+	}
+	if contents == "" {
+		util.HTTP404Page(w,
+			views.BaseHTML(
+				util.BeautifulName(hyphaName),
+				views.HyphaHTML(rq, h, contents),
+				u,
+				openGraph))
+	} else {
+		util.HTTP200Page(w,
+			views.BaseHTML(
+				util.BeautifulName(hyphaName),
+				views.HyphaHTML(rq, h, contents),
+				u,
+				openGraph))
+	}
+}