simple page edit screen

archetype/adapter.go

@@ -3,8 +3,8 @@ package archetype
 type EditMode int
 
 const (
-  EditModeLiteralTextArea EditMode = iota
+	EditModeLiteralTextArea EditMode = iota
-  EditModeEscapedContentEditable
+	EditModeEscapedContentEditable
 )
 
 type Adapter interface {

archetype/eureka.go

@@ -28,7 +28,7 @@ func (self *EurekaAdapter) Name() string {
 }
 
 func (self *EurekaAdapter) EditMode() EditMode {
-  return EditModeLiteralTextArea
+	return EditModeLiteralTextArea
 }
 
 func (self *EurekaAdapter) GetConfig(key string) (interface{}, error) {

lfo/middleware.go

@@ -1,17 +1,28 @@
 package lfo
 
 import (
-  "context"
+	"context"
-  "net/http"
+	"net/http"
-  core "nilfm.cc/git/nirvash/archetype"
+	core "nilfm.cc/git/nirvash/archetype"
 )
 
 func WithAdapter(next http.Handler, adapter core.Adapter) http.Handler {
-  handlerFunc := func(w http.ResponseWriter, req *http.Request) {
+	handlerFunc := func(w http.ResponseWriter, req *http.Request) {
-    *req = *req.WithContext(context.WithValue(req.Context(), "adapter", adapter))
+		*req = *req.WithContext(context.WithValue(req.Context(), "adapter", adapter))
-    next.ServeHTTP(w, req)
+		next.ServeHTTP(w, req)
-  }
+	}
-  
+
-  return http.HandlerFunc(handlerFunc)
+	return http.HandlerFunc(handlerFunc)
 }
 
+func WithEditModes(next http.Handler) http.Handler {
+	handlerFunc := func(w http.ResponseWriter, req *http.Request) {
+		*req = *req.WithContext(context.WithValue(req.Context(), "edit-modes", map[string]core.EditMode{
+			"Literal": core.EditModeLiteralTextArea,
+			"Escaped": core.EditModeEscapedContentEditable,
+		}))
+		next.ServeHTTP(w, req)
+	}
+
+	return http.HandlerFunc(handlerFunc)
+}

nirvash.go

@@ -39,11 +39,18 @@ func main() {
 	rtr.Post("/login", middleware.Authorize("/", udb, "/login?tryagain=1"))
 
 	rtr.Get("/", middleware.Protected(
-    shell.WithAdapter(
+		shell.WithAdapter(
-		renderer.Template(
+			renderer.Template(
-			"templates/cms_list.html",
+				"templates/cms_list.html",
-			"templates/header.html",
+				"templates/header.html",
-			"templates/footer.html"), cfg.Adapter), http.MethodGet, udb, "/login"))
+				"templates/footer.html"), cfg.Adapter), http.MethodGet, udb, "/login"))
+
+	rtr.Get(`/edit/(?P<Slug>\S+)`, middleware.Protected(
+		shell.WithAdapter(
+			renderer.Template(
+				"templates/cms_edit.html",
+				"templates/header.html",
+				"templates/footer.html"), cfg.Adapter), http.MethodGet, udb, "/login"))
 
 	http.ListenAndServe(":8080", rtr)
 }

templates/cms_edit.html

@@ -0,0 +1,19 @@
+{{ $slug := ((.Context).Value "params").Slug }}
+{{ $page := ((.Context).Value "adapter").GetPage $slug }}
+{{ $editMode := ((.Context).Value "adapter").EditMode }}
+{{ $editModes := (.Context).Value "edit-modes" }}
+
+{{ template "header" . }}
+
+<form method="POST" action="/save/{{$slug}}">
+<textarea name="title">{{($page).Title}}</textarea>
+<span>last edited {{($page).Edited}}</span>
+{{ if eq $editMode 0 }}
+  <textarea name="content">{{($page).Content}}</textarea>
+{{ else }}
+  <div contenteditable>{{($page).Content}}</div>
+{{ end }}
+<input type="submit" value="Save"/>
+</form>
+
+{{ template "footer" . }}