barebones GA account server

igrigorik · Jan 1, 2014 · 1c7ff2e · 1c7ff2e
commit 1c7ff2e
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diff --git a/.gitignore b/.gitignore
@@ -0,0 +1,9 @@
+*.6
+*.8
+*.o
+*.so
+*.cgo?.*
+_cgo_*
+_test*
+*.out
+_obj
diff --git a/app.yaml b/app.yaml
@@ -0,0 +1,10 @@
+application: repostats
+version: 1
+runtime: go
+api_version: go1
+
+default_expiration: "1d"
+
+handlers:
+- url: /.*
+  script: _go_app
diff --git a/repostats/page.html b/repostats/page.html
@@ -0,0 +1,24 @@
+{{define "page"}}
+<!DOCTYPE HTML>
+
+<html>
+<head>
+  <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
+  <title>Account page: {{.Account}}</title>
+</head>
+
+<body>
+<p>Account page: {{.Account}}</p>
+
+<script>
+  (function(i,s,o,g,r,a,m){i['GoogleAnalyticsObject']=r;i[r]=i[r]||function(){
+  (i[r].q=i[r].q||[]).push(arguments)},i[r].l=1*new Date();a=s.createElement(o),
+  m=s.getElementsByTagName(o)[0];a.async=1;a.src=g;m.parentNode.insertBefore(a,m)
+  })(window,document,'script','//www.google-analytics.com/analytics.js','ga');
+
+  ga('create', '{{.Account}}', 'repostats.appengine.com/{{.Account}}');
+  // ga('send', 'pageview');
+</script>
+</body>
+</html>
+{{end}}
diff --git a/repostats/repostats.go b/repostats/repostats.go
@@ -0,0 +1,51 @@
+package stats
+
+import (
+  "appengine"
+  // "appengine/urlfetch"
+  "html/template"
+  "encoding/base64"
+  // "crypto/md5"
+  "net/http"
+  "strings"
+  "io"
+)
+
+const base64GifPixel = "R0lGODlhAQABAIAAAP///wAAACwAAAAAAQABAAACAkQBADs="
+var pageTemplate, _ = template.New("page").ParseFiles("repostats/page.html")
+
+func init() {
+  http.HandleFunc("/", handler)
+}
+
+func handler(w http.ResponseWriter, r *http.Request) {
+  c := appengine.NewContext(r)
+  c.Infof("Requested URL: %v", r.URL)
+
+  // / -> redirect
+  // /account -> account template
+  // /account/page -> GIF hit
+  params := strings.SplitN(strings.Trim(r.URL.Path,"/"), "/", 2)
+
+  if len(params) == 0 {
+    http.Redirect(w, r, "https://github.com/igrigorik/repostats", http.StatusFound)
+    return
+  }
+
+  if len(params) == 1 {
+    account := map[string]interface{}{"Account": params[0]}
+    if err := pageTemplate.ExecuteTemplate(w, "page", account); err != nil {
+      panic("Cannot execute template")
+    }
+
+  } else {
+    w.Header().Set("Content-Type", "image/gif")
+    w.Header().Set("Cache-Control", "no-cache")
+
+    output, _ := base64.StdEncoding.DecodeString(base64GifPixel)
+    io.WriteString(w, string(output))
+  }
+
+  c.Infof("Params size: %v, %v", len(params), params)
+  return
+}