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misc/dashboard/codereview: handle abandoned CLs.

R=golang-dev, r
CC=golang-dev
https://golang.org/cl/6257082
This commit is contained in:
David Symonds 2012-06-01 10:55:55 +10:00
parent d2a6098e9c
commit 935d8d16d4

View File

@ -7,10 +7,12 @@ package dashboard
// This file handles operations on the CL entity kind. // This file handles operations on the CL entity kind.
import ( import (
"bytes"
"encoding/json" "encoding/json"
"fmt" "fmt"
"html/template" "html/template"
"io" "io"
"io/ioutil"
"net/http" "net/http"
netmail "net/mail" netmail "net/mail"
"net/url" "net/url"
@ -256,6 +258,7 @@ func handleUpdateCL(w http.ResponseWriter, r *http.Request) {
// updateCL updates a single CL. If a retryable failure occurs, an error is returned. // updateCL updates a single CL. If a retryable failure occurs, an error is returned.
func updateCL(c appengine.Context, n string) error { func updateCL(c appengine.Context, n string) error {
c.Debugf("Updating CL %v", n) c.Debugf("Updating CL %v", n)
key := datastore.NewKey(c, "CL", n, 0, nil)
url := codereviewBase + "/api/" + n + "?messages=true" url := codereviewBase + "/api/" + n + "?messages=true"
resp, err := urlfetch.Client(c).Get(url) resp, err := urlfetch.Client(c).Get(url)
@ -263,6 +266,20 @@ func updateCL(c appengine.Context, n string) error {
return err return err
} }
defer resp.Body.Close() defer resp.Body.Close()
raw, err := ioutil.ReadAll(resp.Body)
if err != nil {
return fmt.Errorf("Failed reading HTTP body: %v", err)
}
// Special case for abandoned CLs.
if resp.StatusCode == 404 && bytes.Contains(raw, []byte("No issue exists with that id")) {
// Don't bother checking for errors. The CL might never have been saved, for instance.
datastore.Delete(c, key)
c.Infof("Deleted abandoned CL %v", n)
return nil
}
if resp.StatusCode != 200 { if resp.StatusCode != 200 {
return fmt.Errorf("Update: got HTTP response %d", resp.StatusCode) return fmt.Errorf("Update: got HTTP response %d", resp.StatusCode)
} }
@ -281,7 +298,7 @@ func updateCL(c appengine.Context, n string) error {
Approval bool `json:"approval"` Approval bool `json:"approval"`
} `json:"messages"` } `json:"messages"`
} }
if err := json.NewDecoder(resp.Body).Decode(&apiResp); err != nil { if err := json.Unmarshal(raw, &apiResp); err != nil {
// probably can't be retried // probably can't be retried
c.Errorf("Malformed JSON from %v: %v", url, err) c.Errorf("Malformed JSON from %v: %v", url, err)
return nil return nil
@ -341,7 +358,6 @@ func updateCL(c appengine.Context, n string) error {
sort.Strings(cl.LGTMs) sort.Strings(cl.LGTMs)
sort.Strings(cl.Recipients) sort.Strings(cl.Recipients)
key := datastore.NewKey(c, "CL", n, 0, nil)
err = datastore.RunInTransaction(c, func(c appengine.Context) error { err = datastore.RunInTransaction(c, func(c appengine.Context) error {
ocl := new(CL) ocl := new(CL)
err := datastore.Get(c, key, ocl) err := datastore.Get(c, key, ocl)