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2017-06-12 01:30:37 -07:00
parent b956647700
commit bf8eb53f7f
3 changed files with 206 additions and 163 deletions
@@ -4,13 +4,13 @@ import (
 	"errors"
 	"fmt"
 	"html/template"
-	"io/ioutil"
 	"net/http"
 	"os"
 	"path"
 	"path/filepath"
 	"strings"

+	"github.com/gorilla/websocket"
 	"github.com/mholt/caddy"
 	"github.com/mholt/caddy/caddyhttp/httpserver"
 )
@@ -29,20 +29,14 @@ func init() {

 type CaddyHugo struct {
 	ServerType string
+	Site       *httpserver.SiteConfig

 	authorTmpl, adminTmpl, editTmpl *template.Template
 }

-func (c CaddyHugo) Name() string {
-	if c.ServerType == "" {
-		return "hugo"
-	}
-	return c.ServerType
-}
-
 func (ch CaddyHugo) Setup(c *caddy.Controller) error {

-	site := httpserver.GetConfig(c)
+	ch.Site = httpserver.GetConfig(c)

 	var err error

@@ -63,12 +57,12 @@ func (ch CaddyHugo) Setup(c *caddy.Controller) error {

 	// add a function that wraps listeners for the HTTP server
 	// (it's more common for a directive to call this rather than a standalone plugin)
-	site.AddMiddleware(ch.Middleware(c, site))
+	ch.Site.AddMiddleware(ch.Middleware(c))

 	return nil
 }

-func (ch CaddyHugo) Middleware(c *caddy.Controller, site *httpserver.SiteConfig) httpserver.Middleware {
+func (ch CaddyHugo) Middleware(c *caddy.Controller) httpserver.Middleware {
 	return func(h httpserver.Handler) httpserver.Handler {
 		return httpserver.HandlerFunc(func(w http.ResponseWriter, r *http.Request) (int, error) {
 			if !ch.Match(r) {
@@ -80,13 +74,13 @@ func (ch CaddyHugo) Middleware(c *caddy.Controller, site *httpserver.SiteConfig)
 			}

 			if strings.HasPrefix(r.URL.Path, "/hugo/admin") {
-				return ch.Admin(site).ServeHTTP(w, r)
+				return ch.Admin().ServeHTTP(w, r)
 			}
 			if strings.HasPrefix(r.URL.Path, "/hugo/author") {
-				return ch.AuthorHome(site).ServeHTTP(w, r)
+				return ch.AuthorHome().ServeHTTP(w, r)
 			}
 			if strings.HasPrefix(r.URL.Path, "/hugo/edit/") {
-				return ch.Edit(c, site).ServeHTTP(w, r)
+				return ch.Edit(c).ServeHTTP(w, r)
 			}

 			return http.StatusNotFound, errors.New("not found")
@@ -110,9 +104,9 @@ func (ch CaddyHugo) BasePath() string {
 	return "/hugo"
 }

-func (ch CaddyHugo) Admin(site *httpserver.SiteConfig) httpserver.Handler {
+func (ch CaddyHugo) Admin() httpserver.Handler {
 	return httpserver.HandlerFunc(func(w http.ResponseWriter, r *http.Request) (int, error) {
-		err := ch.adminTmpl.Execute(w, ch.TmplData(r, site))
+		err := ch.adminTmpl.Execute(w, ch.TmplData(r))
 		if err != nil {
 			fmt.Println(err)
 			return http.StatusInternalServerError, err
@@ -123,9 +117,9 @@ func (ch CaddyHugo) Admin(site *httpserver.SiteConfig) httpserver.Handler {
 	})
 }

-func (ch CaddyHugo) AuthorHome(site *httpserver.SiteConfig) httpserver.Handler {
+func (ch CaddyHugo) AuthorHome() httpserver.Handler {
 	return httpserver.HandlerFunc(func(w http.ResponseWriter, r *http.Request) (int, error) {
-		err := ch.authorTmpl.Execute(w, ch.TmplData(r, site))
+		err := ch.authorTmpl.Execute(w, ch.TmplData(r))
 		if err != nil {
 			fmt.Println(err)
 			return http.StatusInternalServerError, err
@@ -135,10 +129,49 @@ func (ch CaddyHugo) AuthorHome(site *httpserver.SiteConfig) httpserver.Handler {
 	})
 }

-func (ch CaddyHugo) Edit(c *caddy.Controller, site *httpserver.SiteConfig) httpserver.Handler {
+func (ch CaddyHugo) Edit(c *caddy.Controller) httpserver.Handler {
 	return httpserver.HandlerFunc(func(w http.ResponseWriter, r *http.Request) (int, error) {
 		if r.URL.Path == "/hugo/edit/new" {
+			return ch.NewContent(w, r)
+		}
+		if r.URL.Path == "/hugo/edit/websocket" {
+			return ch.DeltaWebsocket(w, r)
+		}

+		err := ch.editTmpl.Execute(w, ch.TmplData(r))
+		if err != nil {
+
+			fmt.Println(err)
+			return http.StatusInternalServerError, err
+		}
+
+		return http.StatusOK, nil
+	})
+}
+
+func (ch CaddyHugo) DeltaWebsocket(w http.ResponseWriter, r *http.Request) (int, error) {
+	var upgrader = websocket.Upgrader{
+		ReadBufferSize:  1024,
+		WriteBufferSize: 1024,
+	}
+
+	conn, err := upgrader.Upgrade(w, r, nil)
+	if err != nil {
+		fmt.Println(err)
+		return http.StatusBadRequest, err
+	}
+
+	for {
+		messageType, p, err := conn.ReadMessage()
+		if err != nil {
+			return http.StatusBadRequest, err
+		}
+
+		fmt.Println(messageType, string(p))
+	}
+}
+
+func (ch CaddyHugo) NewContent(w http.ResponseWriter, r *http.Request) (int, error) {
 	name := r.FormValue("name")
 	ctype := r.FormValue("type")

@@ -146,7 +179,7 @@ func (ch CaddyHugo) Edit(c *caddy.Controller, site *httpserver.SiteConfig) https
 		name += ".md"
 	}

-			filename := path.Join(site.Root, "content", ctype, name)
+	filename := path.Join(ch.Site.Root, "content", ctype, name)

 	dir := filepath.Dir(filename)
 	if _, err := os.Stat(dir); err != nil && os.IsNotExist(err) {
@@ -176,132 +209,6 @@ func (ch CaddyHugo) Edit(c *caddy.Controller, site *httpserver.SiteConfig) https
 	return http.StatusFound, nil
 }

-		err := ch.editTmpl.Execute(w, ch.TmplData(r, site))
-		if err != nil {
-
-			fmt.Println(err)
-			return http.StatusInternalServerError, err
+func (ch CaddyHugo) TmplData(r *http.Request) interface{} {
+	return tmplData{ch.Site, r, ch}
 }
-
-		return http.StatusOK, nil
-	})
-}
-
-func (t tmplData) Content() ([]string, error) {
-	var files []string
-
-	err := filepath.Walk(path.Join(t.Site.Root, "content"), func(name string, fi os.FileInfo, err error) error {
-		if fi.IsDir() {
-			return nil
-		}
-
-		files = append(files, name)
-		return nil
-	})
-
-	if err != nil {
-		fmt.Println(err)
-		return nil, err
-	}
-
-	return files, nil
-}
-
-func (ch CaddyHugo) TmplData(r *http.Request, site *httpserver.SiteConfig) interface{} {
-	return tmplData{site, r, ch}
-}
-
-func (t tmplData) ContentTypes() ([]string, error) {
-	layoutDir, err := os.Open(path.Join(t.Site.Root, "archetypes"))
-	if err != nil {
-		fmt.Println("opening layout dir", err)
-		return nil, err
-	}
-	defer layoutDir.Close()
-
-	names, err := layoutDir.Readdirnames(0)
-	if err != nil {
-		fmt.Println("reading dir", err)
-		return nil, err
-	}
-
-	out := []string{"default"}
-	for _, name := range names {
-		out = append(out, name[:len(name)-len(filepath.Ext(name))])
-	}
-
-	return out, nil
-}
-
-type tmplData struct {
-	Site *httpserver.SiteConfig
-	R    *http.Request
-	CaddyHugo
-}
-
-func (t tmplData) LoadContent() (string, error) {
-	path := t.R.URL.Path[len("/hugo/edit/"):]
-	f, err := os.Open(path)
-	if err != nil {
-		fmt.Println(err)
-		return "", err
-	}
-	out, err := ioutil.ReadAll(f)
-	return string(out), err
-}
-
-var EditPage = `<html>
-<head>
-<script src="https://cdnjs.cloudflare.com/ajax/libs/ace/1.2.6/ace.js"></script>
-<script src="https://cdnjs.cloudflare.com/ajax/libs/ace/1.2.6/ext-settings_menu.js"></script>
-<script src="https://cdnjs.cloudflare.com/ajax/libs/ace/1.2.6/ext-keybinding_menu.js"></script>
-<script src="https://cdnjs.cloudflare.com/ajax/libs/ace/1.2.6/keybinding-vim.js"></script>
-<script src="https://cdnjs.cloudflare.com/ajax/libs/ace/1.2.6/mode-markdown.js"></script>
-<style type="text/css" media="screen">
-#editor { 
-	position: absolute;
-	top: 50px;
-	right: 0;
-	bottom: 0;
-	left: 0;
-}
-</style>
-
-<body>
-	<div id="editor">{{ .LoadContent }}</div>
-<script>
-    var editor = ace.edit("editor");
-    editor.setTheme("ace/theme/monokai");
-    var session = editor.getSession();
-    session.setMode("ace/mode/markdown");
-    session.on("change", function (delta) {
-	    console.log(delta);
-    })
-</script>
-</body>
-</html>`
-
-var AdminPage = `<html><body>not implemented</body></html>`
-
-var AuthorPage = `<html>
-<head>
-</head>
-<body>
-	<p>Create content:</p>
-	<form action="/hugo/edit/new" method="POST">
-		<label>Name: <input type="text" name="name" /></label>
-		<select name="type">
-		    {{- range .ContentTypes }}
-			<option value="{{ . }}">{{ . }}</option>
-		    {{- end }}
-		</select>
-		<input type="submit" />
-	</form>
-
-	<p>Edit content:</p>
-	<ul>{{ range .Content }}
-		<li><a href="/hugo/edit/{{ . }}">{{ . }}</a></li>
-	    {{- end }}
-	</ul>
-</body>
-</html>`
@@ -0,0 +1,136 @@
+package caddyhugo
+
+import (
+	"fmt"
+	"io/ioutil"
+	"net/http"
+	"os"
+	"path"
+	"path/filepath"
+
+	"github.com/mholt/caddy/caddyhttp/httpserver"
+)
+
+func (t tmplData) Content() ([]string, error) {
+	var files []string
+
+	err := filepath.Walk(path.Join(t.Site.Root, "content"), func(name string, fi os.FileInfo, err error) error {
+		if fi.IsDir() {
+			return nil
+		}
+
+		files = append(files, name)
+		return nil
+	})
+
+	if err != nil {
+		fmt.Println(err)
+		return nil, err
+	}
+
+	return files, nil
+}
+
+func (t tmplData) ContentTypes() ([]string, error) {
+	layoutDir, err := os.Open(path.Join(t.Site.Root, "archetypes"))
+	if err != nil {
+		fmt.Println("opening layout dir", err)
+		return nil, err
+	}
+	defer layoutDir.Close()
+
+	names, err := layoutDir.Readdirnames(0)
+	if err != nil {
+		fmt.Println("reading dir", err)
+		return nil, err
+	}
+
+	out := []string{"default"}
+	for _, name := range names {
+		out = append(out, name[:len(name)-len(filepath.Ext(name))])
+	}
+
+	return out, nil
+}
+
+type tmplData struct {
+	Site *httpserver.SiteConfig
+	R    *http.Request
+	CaddyHugo
+}
+
+func (t tmplData) LoadContent() (string, error) {
+	path := t.R.URL.Path[len("/hugo/edit/"):]
+	f, err := os.Open(path)
+	if err != nil {
+		fmt.Println(err)
+		return "", err
+	}
+	out, err := ioutil.ReadAll(f)
+	return string(out), err
+}
+
+var EditPage = `<html>
+<head>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/ace/1.2.6/ace.js"></script>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/ace/1.2.6/ext-settings_menu.js"></script>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/ace/1.2.6/ext-keybinding_menu.js"></script>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/ace/1.2.6/keybinding-vim.js"></script>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/ace/1.2.6/mode-markdown.js"></script>
+<style type="text/css" media="screen">
+#editor { 
+	position: absolute;
+	top: 50px;
+	right: 0;
+	bottom: 0;
+	left: 0;
+}
+</style>
+
+<body>
+	<div id="editor">{{ .LoadContent }}</div>
+<script>
+    var editor = ace.edit("editor");
+    editor.setTheme("ace/theme/monokai");
+    var session = editor.getSession();
+    session.setMode("ace/mode/markdown");
+
+    // Create WebSocket connection.
+    const socket = new WebSocket('ws://localhost:8080/hugo/edit/websocket');
+
+    // Listen for messages
+    socket.addEventListener('message', function (event) {
+         console.log('Message from server', event.data);
+    });
+
+    session.on("change", function (delta) {
+	    socket.send(JSON.stringify(delta))
+    })
+</script>
+</body>
+</html>`
+
+var AdminPage = `<html><body>not implemented</body></html>`
+
+var AuthorPage = `<html>
+<head>
+</head>
+<body>
+	<p>Create content:</p>
+	<form action="/hugo/edit/new" method="POST">
+		<label>Name: <input type="text" name="name" /></label>
+		<select name="type">
+		    {{- range .ContentTypes }}
+			<option value="{{ . }}">{{ . }}</option>
+		    {{- end }}
+		</select>
+		<input type="submit" />
+	</form>
+
+	<p>Edit content:</p>
+	<ul>{{ range .Content }}
+		<li><a href="/hugo/edit/{{ . }}">{{ . }}</a></li>
+	    {{- end }}
+	</ul>
+</body>
+</html>`