Add more comments. Expand the interface. Allow templates to more easily be rendered with external variables.v0.0.11

1 files changed, 62 insertions, 0 deletions

diff --git a/http/render.go b/http/render.go
new file mode 100644
index 0000000..b73ae76
--- /dev/null
+++ b/http/render.go
@@ -0,0 +1,62 @@
+package http
+
+import (
+	"net/http"
+	"path/filepath"
+	"strings"
+)
+
+func Render(w http.ResponseWriter, r *http.Request,
+	path string, vars map[string]interface{}, statusCode int) {
+
+	u := r.URL.Path
+	if u == "/" {
+		u = "/index"
+	}
+	u = filepath.Join(".", u)
+
+	// Sepcifically use the specified path for the page
+	p := NewPage(path)
+
+	if vars != nil {
+		p.SetVars(vars)
+	}
+
+	err := p.Render(w)
+	if err != nil {
+		if strings.HasSuffix(err.Error(), "no such file or directory") {
+			Logger.Printf("%s %s %d %s", r.RemoteAddr, r.Method, 404, u)
+			p = NewPage("404")
+			w.WriteHeader(404)
+			err := p.Render(w)
+			if err != nil {
+				Logger.Printf("%s %s path: %s while trying 404: %s", r.RemoteAddr, r.Method, u, err)
+				http.Error(w, "Internal server error", 500)
+				return
+			}
+			return
+		} else {
+			Logger.Printf("%s %s path: %s encountered: %s", r.RemoteAddr, r.Method, u, err)
+			http.Error(w, "Internal server error", 500)
+			return
+		}
+	}
+
+	Logger.Printf("%s %s %d %s", r.RemoteAddr, r.Method, statusCode, u)
+
+}
+
+// RenderWithVars allows you to specify a specific page and whether or not
+// you wish to override vars. If left nil they will not be overridden.
+// Also see RenderForPath if you don't need to override them
+func RenderWithVars(w http.ResponseWriter, r *http.Request,
+	path string, vars map[string]interface{}) {
+
+	Render(w, r, path, vars, 200)
+}
+
+// RenderForPath takes the path to a page and finish up the rendering
+// Allowing you to place logic on what page is rendered by your handlers
+func RenderForPath(w http.ResponseWriter, r *http.Request, path string) {
+	RenderWithVars(w, r, path, nil)
+}