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holdingpen.py
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holdingpen.py
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# -*- coding: utf-8 -*-
## This file is part of Invenio.
## Copyright (C) 2013 CERN.
##
## Invenio is free software; you can redistribute it and/or
## modify it under the terms of the GNU General Public License as
## published by the Free Software Foundation; either version 2 of the
## License, or (at your option) any later version.
##
## Invenio is distributed in the hope that it will be useful, but
## WITHOUT ANY WARRANTY; without even the implied warranty of
## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
## General Public License for more details.
##
## You should have received a copy of the GNU General Public License
## along with Invenio; if not, write to the Free Software Foundation, Inc.,
## 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
"""Holding Pen web interface"""
__revision__ = "$Id$"
__lastupdated__ = """$Date$"""
from flask import render_template
from invenio.bibworkflow_model import BibWorkflowObject, Workflow
from invenio.config import CFG_LOGDIR
from invenio.webinterface_handler_flask_utils import _, InvenioBlueprint
from invenio.bibworkflow_utils import get_workflow_definition
from invenio.bibworkflow_api import continue_oid_delayed
from invenio.bibworkflow_hp_load_widgets import widgets
from invenio.bibworkflow_config import CFG_OBJECT_VERSION
from flask import redirect, url_for, flash
from invenio.bibformat_engine import format_record
from invenio.bibworkflow_utils import create_hp_containers
# from invenio.bibworkflow_containers import bwolist
blueprint = InvenioBlueprint('holdingpen', __name__,
url_prefix="/admin/holdingpen",
menubuilder=[('main.admin.holdingpen',
_('Holdingpen'),
'holdingpen.index')],
breadcrumbs=[(_('Administration'), 'help.admin'),
(_('Holdingpen'),
'holdingpen.index')])
@blueprint.route('/index', methods=['GET', 'POST'])
@blueprint.invenio_authenticated
@blueprint.invenio_templated('bibworkflow_hp_index.html')
def index():
"""
Displays main interface of BibHoldingpen.
"""
bwolist = create_hp_containers()
return dict(hpcontainers=bwolist)
@blueprint.route('/refresh', methods=['GET', 'POST'])
@blueprint.invenio_authenticated
def refresh():
import invenio.bibworkflow_containers
reload(invenio.bibworkflow_containers)
return 'Records Refreshed'
@blueprint.route('/load_table', methods=['GET', 'POST'])
@blueprint.invenio_authenticated
@blueprint.invenio_templated('bibworkflow_hp_index.html')
def load_table():
"""
Function used for the passing of JSON data to the DataTable
"""
from flask import request
from invenio.bibworkflow_containers import bwolist
iDisplayStart = request.args.get('iDisplayStart')
iDisplayLength = request.args.get('iDisplayLength')
# sSearch will be used for searching later
# sSearch = request.args.get('sSearch')
# iSortCol_0 = request.args.get('iSortCol_0')
# sSortDir_0 = request.args.get('sSortDir_0')
iDisplayStart = int(request.args.get('iDisplayStart'))
iDisplayLength = int(request.args.get('iDisplayLength'))
table_data = {
"aaData": []
}
for bwo in bwolist[iDisplayStart:iDisplayStart+iDisplayLength]:
table_data['sEcho'] = int(request.args.get('sEcho')) + 1
table_data['iTotalRecords'] = len(bwolist)
table_data['iTotalDisplayRecords'] = len(bwolist)
if bwo.version == CFG_OBJECT_VERSION.FINAL:
bwo_version = \
'<span class="label label-success">Final</span>'
elif bwo.version == CFG_OBJECT_VERSION.HALTED:
bwo_version = \
'<span class="label label-warning">Halted</span>'
else:
bwo_version = \
'<span class="label label-success">Running</span>'
if bwo.extra_data['widget'] is not None:
widget_link = '<a class="btn btn-info"' + \
'href="/admin/holdingpen/widget?widget=' + \
bwo.extra_data['widget'] + \
'&bwobject_id=' + \
str(bwo.id) + \
'"><i class="icon-wrench"></i></a>'
else:
widget_link = None
table_data['aaData'].append(
[str(bwo.id),
None,
None,
None,
str(bwo.id_workflow),
str(bwo.extra_data['owner']),
str(bwo.created),
bwo_version,
'<a id="info_button" ' +
'class="btn btn-info pull-center text-center"' +
'href="/admin/holdingpen/details?bwobject_id=' +
str(bwo.id) +
'"><i class="icon-white icon-zoom-in"></i></a>',
widget_link,
])
return table_data
@blueprint.route('/resolve_approval', methods=['GET', 'POST'])
@blueprint.invenio_wash_urlargd({'bwobject_id': (int, 0)})
def resolve_approval(bwobject_id):
"""
Resolves the action taken in the approval widget
"""
from flask import request
if request.form['submitButton'] == 'Accept':
continue_oid_delayed(bwobject_id)
flash('Record Accepted')
elif request.form['submitButton'] == 'Reject':
_delete_from_db(bwobject_id)
flash('Record Rejected')
return redirect(url_for('holdingpen.index'))
@blueprint.route('/details', methods=['GET', 'POST'])
@blueprint.invenio_authenticated
@blueprint.invenio_wash_urlargd({'bwobject_id': (int, 0)})
def details(bwobject_id):
"""
Displays info about the hpcontainer, and presents the data
of all available versions of the object. (Initial, Error, Final)
"""
# search for parents
bwobject = BibWorkflowObject.query.filter(BibWorkflowObject.id ==
bwobject_id).first()
bwparent = BibWorkflowObject.query.filter(BibWorkflowObject.id ==
bwobject.id_parent).first()
info = get_info(bwobject)
try:
info['widget'] = bwobject.extra_data['widget']
except (KeyError, AttributeError):
pass
w_metadata = Workflow.query.filter(Workflow.uuid ==
bwobject.id_workflow).first()
# read the logtext from the file system
try:
f = open(CFG_LOGDIR + "/object_" + str(bwobject.id)
+ "_w_" + str(bwobject.id_workflow) + ".log", "r")
logtext = f.read()
except IOError:
logtext = ""
print bwobject.get_data()
print _entry_data_preview(bwobject.get_data())
return render_template('bibworkflow_hp_details.html',
bwobject=bwobject,
bwparent=bwparent,
info=info, log=logtext,
data_preview=_entry_data_preview(
bwobject.get_data()),
workflow_func=get_workflow_definition(
w_metadata.name).workflow)
@blueprint.route('/restart_record', methods=['GET', 'POST'])
@blueprint.invenio_authenticated
@blueprint.invenio_wash_urlargd({'bwobject_id': (int, 0)})
def restart_record(bwobject_id, start_point='continue_next'):
"""
Restarts the initial object in its workflow
"""
continue_oid_delayed(oid=bwobject_id, start_point=start_point)
return 'Record Restarted'
@blueprint.route('/restart_record_prev', methods=['GET', 'POST'])
@blueprint.invenio_authenticated
@blueprint.invenio_wash_urlargd({'bwobject_id': (int, 0)})
def restart_record_prev(bwobject_id):
"""
Restarts the initial object in its workflow from the current task
"""
continue_oid_delayed(oid=bwobject_id, start_point="restart_task")
print "Record restarted from previous task"
@blueprint.route('/delete_from_db', methods=['GET', 'POST'])
@blueprint.invenio_authenticated
@blueprint.invenio_wash_urlargd({'bwobject_id': (int, 0)})
def delete_from_db(bwobject_id):
"""
Deletes all available versions of the object from the db
"""
import invenio.bibworkflow_containers
_delete_from_db(bwobject_id)
reload(invenio.bibworkflow_containers)
flash('Record Deleted')
return redirect(url_for('holdingpen.index'))
def _delete_from_db(bwobject_id):
from invenio.sqlalchemyutils import db
# delete every BibWorkflowObject version from the db
BibWorkflowObject.query.filter(BibWorkflowObject.id ==
bwobject_id).delete()
db.session.commit()
@blueprint.route('/widget', methods=['GET', 'POST'])
@blueprint.invenio_authenticated
@blueprint.invenio_wash_urlargd({'bwobject_id': (int, 0),
'widget': (unicode, ' ')})
def show_widget(bwobject_id, widget):
"""
Renders the bibmatch widget for a specific record
"""
bwobject = BibWorkflowObject.query.filter(BibWorkflowObject.id ==
bwobject_id).first()
bwparent = BibWorkflowObject.query.filter(BibWorkflowObject.id ==
bwobject.id_parent).first()
widget_form = widgets[widget]
if widget == 'bibmatch_widget':
# setting up bibmatch widget
try:
matches = bwobject.extra_data['tasks_results']['match_record']
except:
pass
match_preview = []
# adding dummy matches
match_preview.append(BibWorkflowObject.query.filter(
BibWorkflowObject.id == bwobject_id).first())
match_preview.append(BibWorkflowObject.query.filter(
BibWorkflowObject.id == bwobject_id).first())
data_preview = _entry_data_preview(bwobject.get_data())
return render_template('bibworkflow_hp_'+widget+'.html',
bwobject=bwobject,
widget=widget_form,
match_preview=match_preview, matches=matches,
data_preview=data_preview)
elif widget == 'approval_widget':
# setting up approval widget
data_preview = _entry_data_preview(bwobject.get_data())
return render_template('bibworkflow_hp_approval_widget.html',
bwobject=bwobject,
bwparent=bwparent,
widget=widget_form, data_preview=data_preview)
@blueprint.route('/entry_data_preview', methods=['GET', 'POST'])
@blueprint.invenio_authenticated
@blueprint.invenio_wash_urlargd({'oid': (unicode, '0'),
'recformat': (unicode, 'default')})
def entry_data_preview(oid, recformat):
"""
Presents the data in a human readble form or in xml code
"""
bwobject = BibWorkflowObject.query.filter(BibWorkflowObject.id ==
int(oid)).first()
return _entry_data_preview(bwobject.get_data(), recformat)
def get_info(bwobject):
"""
Parses the hpobject and extracts its info to a dictionary
"""
info = {}
info['version'] = bwobject.version
info['owner'] = bwobject.extra_data['owner']
info['parent id'] = bwobject.id_parent
info['task counter'] = bwobject.extra_data['task_counter']
info['workflow id'] = bwobject.id_workflow
info['object id'] = bwobject.id
info['last task name'] = bwobject.extra_data['last_task_name']
info['widget'] = bwobject.extra_data['widget']
return info
def _entry_data_preview(data, recformat='hd'):
"""
Formats the data using format_record
"""
if recformat == 'hd' or recformat == 'xm':
try:
data = format_record(recID=None, of=recformat,
xml_record=data)
except:
print "This is not a XML string"
if data is "" or data is None:
print 'NAI EINAI ADEIO'
data = 'Could not render data'
else:
pass
return data

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