misc/dashboard/codereview/dashboard/front.go - go - Git at Google

 // Copyright 2012 The Go Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.

 package dashboard

 // This file handles the front page.

 import (
 	"bytes"
 	"html/template"
 	"io"
 	"net/http"
 	"strings"
 	"sync"
 	"time"

 	"appengine"
 	"appengine/datastore"
 	"appengine/user"
 )

 func init() {
 	http.HandleFunc("/", handleFront)
 	http.HandleFunc("/favicon.ico", http.NotFound)
 }

 // maximum number of active CLs to show in person-specific tables.
 const maxCLs = 100

 func handleFront(w http.ResponseWriter, r *http.Request) {
 	c := appengine.NewContext(r)

 	data := &frontPageData{
 		Reviewers: personList,
 		User:      user.Current(c).Email,
 		IsAdmin:   user.IsAdmin(c),
 	}
 	var currentPerson string
 	u := data.User
 	you := "you"
 	if e := r.FormValue("user"); e != "" {
 		u = e
 		you = e
 	}
 	currentPerson, data.UserIsReviewer = emailToPerson[u]
 	if !data.UserIsReviewer {
 		currentPerson = u
 	}

 	var wg sync.WaitGroup
 	errc := make(chan error, 10)
 	activeCLs := datastore.NewQuery("CL").
 		Filter("Closed =", false).
 		Order("-Modified")

 	tableFetch := func(index int, f func(tbl *clTable) error) {
 		wg.Add(1)
 		go func() {
 			defer wg.Done()
 			start := time.Now()
 			if err := f(&data.Tables[index]); err != nil {
 				errc <- err
 			}
 			data.Timing[index] = time.Now().Sub(start)
 		}()
 	}

 	data.Tables[0].Title = "CLs assigned to " + you + " for review"
 	if data.UserIsReviewer {
 		tableFetch(0, func(tbl *clTable) error {
 			q := activeCLs.Filter("Reviewer =", currentPerson).Limit(maxCLs)
 			tbl.Assignable = true
 			_, err := q.GetAll(c, &tbl.CLs)
 			return err
 		})
 	}

 	tableFetch(1, func(tbl *clTable) error {
 		q := activeCLs
 		if data.UserIsReviewer {
 			q = q.Filter("Author =", currentPerson)
 		} else {
 			q = q.Filter("Owner =", currentPerson)
 		}
 		q = q.Limit(maxCLs)
 		tbl.Title = "CLs sent by " + you
 		tbl.Assignable = true
 		_, err := q.GetAll(c, &tbl.CLs)
 		return err
 	})

 	tableFetch(2, func(tbl *clTable) error {
 		q := activeCLs.Limit(50)
 		tbl.Title = "Other active CLs"
 		tbl.Assignable = true
 		if _, err := q.GetAll(c, &tbl.CLs); err != nil {
 			return err
 		}
 		// filter
 		for i := len(tbl.CLs) - 1; i >= 0; i-- {
 			cl := tbl.CLs[i]
 			if cl.Owner == currentPerson || cl.Author == currentPerson || cl.Reviewer == currentPerson {
 				// Preserve order.
 				copy(tbl.CLs[i:], tbl.CLs[i+1:])
 				tbl.CLs = tbl.CLs[:len(tbl.CLs)-1]
 			}
 		}
 		return nil
 	})

 	tableFetch(3, func(tbl *clTable) error {
 		q := datastore.NewQuery("CL").
 			Filter("Closed =", true).
 			Order("-Modified").
 			Limit(10)
 		tbl.Title = "Recently closed CLs"
 		tbl.Assignable = false
 		_, err := q.GetAll(c, &tbl.CLs)
 		return err
 	})

 	// Not really a table fetch.
 	tableFetch(0, func(_ *clTable) error {
 		var err error
 		data.LogoutURL, err = user.LogoutURL(c, "/")
 		return err
 	})

 	wg.Wait()

 	select {
 	case err := <-errc:
 		c.Errorf("%v", err)
 		http.Error(w, err.Error(), http.StatusInternalServerError)
 		return
 	default:
 	}

 	var b bytes.Buffer
 	if err := frontPage.ExecuteTemplate(&b, "front", &data); err != nil {
 		http.Error(w, err.Error(), http.StatusInternalServerError)
 		return
 	}

 	io.Copy(w, &b)
 }

 type frontPageData struct {
 	Tables [4]clTable
 	Timing [4]time.Duration

 	Reviewers      []string
 	UserIsReviewer bool

 	User, LogoutURL string // actual logged in user
 	IsAdmin         bool
 }

 type clTable struct {
 	Title      string
 	Assignable bool
 	CLs        []*CL
 }

 var frontPage = template.Must(template.New("front").Funcs(template.FuncMap{
 	"selected": func(a, b string) string {
 		if a == b {
 			return "selected"
 		}
 		return ""
 	},
 	"shortemail": func(s string) string {
 		if i := strings.Index(s, "@"); i >= 0 {
 			s = s[:i]
 		}
 		return s
 	},
 }).Parse(`
 <!doctype html>
 <html>
   <head>
     <title>Go code reviews</title>
     <link rel="icon" type="image/png" href="/static/icon.png" />
     <style type="text/css">
       body {
         font-family: Helvetica, sans-serif;
       }
       img#gopherstamp {
         float: right;
 	height: auto;
 	width: 250px;
       }
       h1, h2, h3 {
         color: #777;
 	margin-bottom: 0;
       }
       table {
         border-spacing: 0;
       }
       td {
         vertical-align: top;
         padding: 2px 5px;
       }
       tr.unreplied td.email {
         border-left: 2px solid blue;
       }
       tr.pending td {
         background: #fc8;
       }
       tr.failed td {
         background: #f88;
       }
       tr.saved td {
         background: #8f8;
       }
       .cls {
         margin-top: 0;
       }
       a {
         color: blue;
 	text-decoration: none;  /* no link underline */
       }
       address {
         font-size: 10px;
 	text-align: right;
       }
       .email {
         font-family: monospace;
       }
     </style>
     <script src="https://ajax.googleapis.com/ajax/libs/jquery/1.7.2/jquery.min.js"></script>
   </head>
   <body>

 <img id="gopherstamp" src="/static/gopherstamp.jpg" />
 <h1>Go code reviews</h1>

 <table class="cls">
 {{range $i, $tbl := .Tables}}
 <tr><td colspan="5"><h3>{{$tbl.Title}}</h3></td></tr>
 {{if .CLs}}
 {{range $cl := .CLs}}
   <tr id="cl-{{$cl.Number}}" class="{{if not $i}}{{if not .Reviewed}}unreplied{{end}}{{end}}">
     <td class="email">{{$cl.DisplayOwner}}</td>
     <td>
     {{if $tbl.Assignable}}
     <select id="cl-rev-{{$cl.Number}}" {{if not $.UserIsReviewer}}disabled{{end}}>
       <option></option>
       {{range $.Reviewers}}
       <option {{selected . $cl.Reviewer}}>{{.}}</option>
       {{end}}
     </select>
     <script type="text/javascript">
     $(function() {
       $('#cl-rev-{{$cl.Number}}').change(function() {
         var r = $(this).val();
         var row = $('tr#cl-{{$cl.Number}}');
         row.addClass('pending');
         $.post('/assign', {
           'cl': '{{$cl.Number}}',
           'r': r
         }).success(function() {
           row.removeClass('pending');
           row.addClass('saved');
         }).error(function() {
           row.removeClass('pending');
           row.addClass('failed');
         });
       });
     });
     </script>
     {{end}}
     </td>
     <td>
       <a href="http://codereview.appspot.com/{{.Number}}/" title="{{ printf "%s" .Description}}">{{.Number}}: {{.FirstLineHTML}}</a>
       {{if and .LGTMs $tbl.Assignable}}<br /><span style="font-size: smaller;">LGTMs: {{.LGTMHTML}}</span>{{end}}
       {{if and .NotLGTMs $tbl.Assignable}}<br /><span style="font-size: smaller; color: #f74545;">NOT LGTMs: {{.NotLGTMHTML}}</span>{{end}}
       {{if .LastUpdateBy}}<br /><span style="font-size: smaller; color: #777777;">(<span title="{{.LastUpdateBy}}">{{.LastUpdateBy | shortemail}}</span>) {{.LastUpdate}}</span>{{end}}
     </td>
     <td title="Last modified">{{.ModifiedAgo}}</td>
     <td>{{if $.IsAdmin}}<a href="/update-cl?cl={{.Number}}" title="Update this CL">&#x27f3;</a>{{end}}</td>
   </tr>
 {{end}}
 {{else}}
 <tr><td colspan="5"><em>none</em></td></tr>
 {{end}}
 {{end}}
 </table>

 <hr />
 <address>
 You are <span class="email">{{.User}}</span> &middot; <a href="{{.LogoutURL}}">logout</a><br />
 datastore timing: {{range .Timing}} {{.}}{{end}}
 </address>

   </body>
 </html>
 `))
	// Copyright 2012 The Go Authors. All rights reserved.
	// Use of this source code is governed by a BSD-style
	// license that can be found in the LICENSE file.

	package dashboard

	// This file handles the front page.

	import (
	"bytes"
	"html/template"
	"io"
	"net/http"
	"strings"
	"sync"
	"time"

	"appengine"
	"appengine/datastore"
	"appengine/user"
	)

	func init() {
	http.HandleFunc("/", handleFront)
	http.HandleFunc("/favicon.ico", http.NotFound)
	}

	// maximum number of active CLs to show in person-specific tables.
	const maxCLs = 100

	func handleFront(w http.ResponseWriter, r *http.Request) {
	c := appengine.NewContext(r)

	data := &frontPageData{
	Reviewers: personList,
	User: user.Current(c).Email,
	IsAdmin: user.IsAdmin(c),
	}
	var currentPerson string
	u := data.User
	you := "you"
	if e := r.FormValue("user"); e != "" {
	u = e
	you = e
	}
	currentPerson, data.UserIsReviewer = emailToPerson[u]
	if !data.UserIsReviewer {
	currentPerson = u
	}

	var wg sync.WaitGroup
	errc := make(chan error, 10)
	activeCLs := datastore.NewQuery("CL").
	Filter("Closed =", false).
	Order("-Modified")

	tableFetch := func(index int, f func(tbl *clTable) error) {
	wg.Add(1)
	go func() {
	defer wg.Done()
	start := time.Now()
	if err := f(&data.Tables[index]); err != nil {
	errc <- err
	}
	data.Timing[index] = time.Now().Sub(start)
	}()
	}

	data.Tables[0].Title = "CLs assigned to " + you + " for review"
	if data.UserIsReviewer {
	tableFetch(0, func(tbl *clTable) error {
	q := activeCLs.Filter("Reviewer =", currentPerson).Limit(maxCLs)
	tbl.Assignable = true
	_, err := q.GetAll(c, &tbl.CLs)
	return err
	})
	}

	tableFetch(1, func(tbl *clTable) error {
	q := activeCLs
	if data.UserIsReviewer {
	q = q.Filter("Author =", currentPerson)
	} else {
	q = q.Filter("Owner =", currentPerson)
	}
	q = q.Limit(maxCLs)
	tbl.Title = "CLs sent by " + you
	tbl.Assignable = true
	_, err := q.GetAll(c, &tbl.CLs)
	return err
	})

	tableFetch(2, func(tbl *clTable) error {
	q := activeCLs.Limit(50)
	tbl.Title = "Other active CLs"
	tbl.Assignable = true
	if _, err := q.GetAll(c, &tbl.CLs); err != nil {
	return err
	}
	// filter
	for i := len(tbl.CLs) - 1; i >= 0; i-- {
	cl := tbl.CLs[i]
	if cl.Owner == currentPerson \|\| cl.Author == currentPerson \|\| cl.Reviewer == currentPerson {
	// Preserve order.
	copy(tbl.CLs[i:], tbl.CLs[i+1:])
	tbl.CLs = tbl.CLs[:len(tbl.CLs)-1]
	}
	}
	return nil
	})

	tableFetch(3, func(tbl *clTable) error {
	q := datastore.NewQuery("CL").
	Filter("Closed =", true).
	Order("-Modified").
	Limit(10)
	tbl.Title = "Recently closed CLs"
	tbl.Assignable = false
	_, err := q.GetAll(c, &tbl.CLs)
	return err
	})

	// Not really a table fetch.
	tableFetch(0, func(_ *clTable) error {
	var err error
	data.LogoutURL, err = user.LogoutURL(c, "/")
	return err
	})

	wg.Wait()

	select {
	case err := <-errc:
	c.Errorf("%v", err)
	http.Error(w, err.Error(), http.StatusInternalServerError)
	return
	default:
	}

	var b bytes.Buffer
	if err := frontPage.ExecuteTemplate(&b, "front", &data); err != nil {
	http.Error(w, err.Error(), http.StatusInternalServerError)
	return
	}

	io.Copy(w, &b)
	}

	type frontPageData struct {
	Tables [4]clTable
	Timing [4]time.Duration

	Reviewers []string
	UserIsReviewer bool

	User, LogoutURL string // actual logged in user
	IsAdmin bool
	}

	type clTable struct {
	Title string
	Assignable bool
	CLs []*CL
	}

	var frontPage = template.Must(template.New("front").Funcs(template.FuncMap{
	"selected": func(a, b string) string {
	if a == b {
	return "selected"
	}
	return ""
	},
	"shortemail": func(s string) string {
	if i := strings.Index(s, "@"); i >= 0 {
	s = s[:i]
	}
	return s
	},
	}).Parse(`
	<!doctype html>
	<html>
	<head>
	<title>Go code reviews</title>
	<link rel="icon" type="image/png" href="/static/icon.png" />
	<style type="text/css">
	body {
	font-family: Helvetica, sans-serif;
	}
	img#gopherstamp {
	float: right;
	height: auto;
	width: 250px;
	}
	h1, h2, h3 {
	color: #777;
	margin-bottom: 0;
	}
	table {
	border-spacing: 0;
	}
	td {
	vertical-align: top;
	padding: 2px 5px;
	}
	tr.unreplied td.email {
	border-left: 2px solid blue;
	}
	tr.pending td {
	background: #fc8;
	}
	tr.failed td {
	background: #f88;
	}
	tr.saved td {
	background: #8f8;
	}
	.cls {
	margin-top: 0;
	}
	a {
	color: blue;
	text-decoration: none; /* no link underline */
	}
	address {
	font-size: 10px;
	text-align: right;
	}
	.email {
	font-family: monospace;
	}
	</style>
	<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.7.2/jquery.min.js"></script>
	</head>
	<body>

	<img id="gopherstamp" src="/static/gopherstamp.jpg" />
	<h1>Go code reviews</h1>

	<table class="cls">
	{{range $i, $tbl := .Tables}}
	<tr><td colspan="5"><h3>{{$tbl.Title}}</h3></td></tr>
	{{if .CLs}}
	{{range $cl := .CLs}}
	<tr id="cl-{{$cl.Number}}" class="{{if not $i}}{{if not .Reviewed}}unreplied{{end}}{{end}}">
	<td class="email">{{$cl.DisplayOwner}}</td>
	<td>
	{{if $tbl.Assignable}}
	<select id="cl-rev-{{$cl.Number}}" {{if not $.UserIsReviewer}}disabled{{end}}>
	<option></option>
	{{range $.Reviewers}}
	<option {{selected . $cl.Reviewer}}>{{.}}</option>
	{{end}}
	</select>
	<script type="text/javascript">
	$(function() {
	$('#cl-rev-{{$cl.Number}}').change(function() {
	var r = $(this).val();
	var row = $('tr#cl-{{$cl.Number}}');
	row.addClass('pending');
	$.post('/assign', {
	'cl': '{{$cl.Number}}',
	'r': r
	}).success(function() {
	row.removeClass('pending');
	row.addClass('saved');
	}).error(function() {
	row.removeClass('pending');
	row.addClass('failed');
	});
	});
	});
	</script>
	{{end}}
	</td>
	<td>
	<a href="http://codereview.appspot.com/{{.Number}}/" title="{{ printf "%s" .Description}}">{{.Number}}: {{.FirstLineHTML}}</a>
	{{if and .LGTMs $tbl.Assignable}}<br /><span style="font-size: smaller;">LGTMs: {{.LGTMHTML}}</span>{{end}}
	{{if and .NotLGTMs $tbl.Assignable}}<br /><span style="font-size: smaller; color: #f74545;">NOT LGTMs: {{.NotLGTMHTML}}</span>{{end}}
	{{if .LastUpdateBy}}<br /><span style="font-size: smaller; color: #777777;">(<span title="{{.LastUpdateBy}}">{{.LastUpdateBy \| shortemail}}</span>) {{.LastUpdate}}</span>{{end}}
	</td>
	<td title="Last modified">{{.ModifiedAgo}}</td>
	<td>{{if $.IsAdmin}}<a href="/update-cl?cl={{.Number}}" title="Update this CL">⟳</a>{{end}}</td>
	</tr>
	{{end}}
	{{else}}
	<tr><td colspan="5"><em>none</em></td></tr>
	{{end}}
	{{end}}
	</table>

	<hr />
	<address>
	You are <span class="email">{{.User}}</span> · <a href="{{.LogoutURL}}">logout</a><br />
	datastore timing: {{range .Timing}} {{.}}{{end}}
	</address>

	</body>
	</html>
	`))