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Code Issues Releases Wiki Activity

More robust handling while checking for new updates

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This commit is contained in:
Virgil Grigoras 2018-09-09 11:46:00 +02:00
parent 919de60e8d
commit f477d48c7c
3 changed files with 55 additions and 13 deletions
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6
cps/static/js/main.js
View File

@ -104,6 +104,7 @@ $(function() {
var $this = $(this);
var buttonText = $this.html();
$this.html("...");
$("#update_error").addClass("hidden")
$.ajax({
dataType: "json",
url: window.location.pathname + "/../../get_update_status",
@ -116,6 +117,11 @@ $(function() {
.removeClass("hidden")
.find("span").html(data.commit);
}
if (data.error.length != 0) {
$("#update_error")
.removeClass("hidden")
.find("span").html(data.error);
}
}
});
});

1
cps/templates/admin.html
View File

@ -93,6 +93,7 @@
<h2>{{_('Administration')}}</h2>
<div>{{_('Current commit timestamp')}}: <span>{{commit}} </span></div>
<div class="hidden" id="update_info">{{_('Newest commit timestamp')}}: <span></span></div>
<div class="hidden" id="update_error"> <span>{{update_error}}</span></div>
<p></p>
<div class="btn btn-default" id="restart_database">{{_('Reconnect to Calibre DB')}}</div>
<div class="btn btn-default" data-toggle="modal" data-target="#RestartDialog">{{_('Restart Calibre-Web')}}</div>

61
cps/web.py
View File

@ -1082,23 +1082,58 @@ def get_matching_tags():
@app.route("/get_update_status", methods=['GET'])
@login_required_if_no_ano
def get_update_status():
status = {}
status = {
'status': False
}
repository_url = 'https://api.github.com/repos/janeczku/calibre-web'
tz = datetime.timedelta(seconds=time.timezone if (time.localtime().tm_isdst == 0) else time.altzone)
if request.method == "GET":
# should be automatically replaced by git with current commit hash
commit_id = '$Format:%H$'
# ToDo: Handle server not reachable -> ValueError:
commit = requests.get('https://api.github.com/repos/janeczku/calibre-web/git/refs/heads/master').json()
if "object" in commit and commit['object']['sha'] != commit_id:
status['status'] = True
commitdate = requests.get('https://api.github.com/repos/janeczku/calibre-web/git/commits/'+commit['object']['sha']).json()
if "committer" in commitdate:
form_date=datetime.datetime.strptime(commitdate['committer']['date'],"%Y-%m-%dT%H:%M:%SZ") - tz
status['commit'] = format_datetime(form_date, format='short', locale=get_locale())
current_commit_id = '$Format:%H$'
try:
r = requests.get(repository_url + '/git/refs/heads/master')
r.raise_for_status()
commit = r.json()
except requests.exceptions.HTTPError as ex:
status['error'] = _(u'HTTP Error') + ' ' + str(ex)
except requests.exceptions.ConnectionError:
status['error'] = _(u'Connection error')
except requests.exceptions.Timeout:
status['error'] = _(u'Timeout while establishing connection')
except requests.exceptions.RequestException:
status['error'] = _(u'General error')
if 'error' in status:
return json.dumps(status)
if 'object' in commit and commit['object']['sha'] != current_commit_id:
# a new update is available
try:
r = requests.get(repository_url + '/git/commits/' + commit['object']['sha'])
r.raise_for_status()
update_data = r.json()
except requests.exceptions.HTTPError as ex:
status['error'] = _(u'HTTP Error') + ' ' + str(ex)
except requests.exceptions.ConnectionError:
status['error'] = _(u'Connection error')
except requests.exceptions.Timeout:
status['error'] = _(u'Timeout while establishing connection')
except requests.exceptions.RequestException:
status['error'] = _(u'General error')
if 'error' in status:
return json.dumps(status)
if 'committer' in update_data:
status['status'] = True
new_commit_date = datetime.datetime.strptime(
update_data['committer']['date'], '%Y-%m-%dT%H:%M:%SZ') - tz
status['commit'] = format_datetime(new_commit_date, format='short', locale=get_locale())
else:
status['commit'] = u'Unknown'
else:
status['status'] = False
status['error'] = _(u'Could not fetch update information')
return json.dumps(status)