diff -r 058bb3dc685f -r 0b59724cb3f2 cubicweb/web/views/cwsources.py
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/cubicweb/web/views/cwsources.py	Sat Jan 16 13:48:51 2016 +0100
@@ -0,0 +1,516 @@
+# copyright 2010-2012 LOGILAB S.A. (Paris, FRANCE), all rights reserved.
+# contact http://www.logilab.fr/ -- mailto:contact@logilab.fr
+#
+# This file is part of CubicWeb.
+#
+# CubicWeb is free software: you can redistribute it and/or modify it under the
+# terms of the GNU Lesser General Public License as published by the Free
+# Software Foundation, either version 2.1 of the License, or (at your option)
+# any later version.
+#
+# CubicWeb 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 Lesser General Public License for more
+# details.
+#
+# You should have received a copy of the GNU Lesser General Public License along
+# with CubicWeb.  If not, see <http://www.gnu.org/licenses/>.
+"""Specific views for data sources and related entities (eg CWSource,
+CWSourceHostConfig, CWSourceSchemaConfig).
+"""
+
+__docformat__ = "restructuredtext en"
+from cubicweb import _
+
+import logging
+from itertools import repeat
+
+from six.moves import range
+
+from logilab.mtconverter import xml_escape
+from logilab.common.decorators import cachedproperty
+
+from cubicweb import Unauthorized, tags
+from cubicweb.utils import make_uid
+from cubicweb.predicates import (is_instance, score_entity, has_related_entities,
+                                 match_user_groups, match_kwargs, match_view, one_line_rset)
+from cubicweb.view import EntityView, StartupView
+from cubicweb.schema import META_RTYPES, VIRTUAL_RTYPES, display_name
+from cubicweb.web import Redirect, formwidgets as wdgs, facet, action
+from cubicweb.web.views import add_etype_button
+from cubicweb.web.views import (uicfg, tabs, actions, ibreadcrumbs, navigation,
+                                tableview, pyviews)
+
+
+_abaa = uicfg.actionbox_appearsin_addmenu
+# there are explicit 'add' buttons for those
+_abaa.tag_object_of(('CWSourceSchemaConfig', 'cw_schema', '*'), False)
+_abaa.tag_object_of(('CWSourceSchemaConfig', 'cw_for_source', '*'), False)
+_abaa.tag_object_of(('CWSourceSchemaConfig', 'cw_host_config_of', '*'), False)
+_abaa.tag_object_of(('CWDataImport', 'cw_import_of', '*'), False)
+
+_afs = uicfg.autoform_section
+_afs.tag_attribute(('CWSource', 'latest_retrieval'), 'main', 'hidden')
+_afs.tag_attribute(('CWSource', 'in_synchronization'), 'main', 'hidden')
+_afs.tag_object_of(('*', 'cw_for_source', 'CWSource'), 'main', 'hidden')
+
+_affk = uicfg.autoform_field_kwargs
+_affk.tag_attribute(('CWSource', 'parser'), {'widget': wdgs.TextInput})
+
+# source primary views #########################################################
+
+_pvs = uicfg.primaryview_section
+_pvs.tag_attribute(('CWSource', 'name'), 'hidden')
+_pvs.tag_object_of(('*', 'cw_for_source', 'CWSource'), 'hidden')
+_pvs.tag_object_of(('*', 'cw_host_config_of', 'CWSource'), 'hidden')
+
+_pvdc = uicfg.primaryview_display_ctrl
+_pvdc.tag_attribute(('CWSource', 'type'), {'vid': 'attribute'})# disable reledit
+
+_rc = uicfg.reledit_ctrl
+_rc.tag_attribute(('CWSource', 'config'), {'rvid': 'verbatimattr'})
+_rc.tag_attribute(('CWSourceHostConfig', 'config'), {'rvid': 'verbatimattr'})
+_rc.tag_attribute(('CWSourceSchemaConfig', 'options'), {'rvid': 'verbatimattr'})
+
+
+class CWSourcePrimaryView(tabs.TabbedPrimaryView):
+    __select__ = is_instance('CWSource')
+    tabs = [_('cwsource-main'), _('cwsource-mapping'), _('cwsource-imports')]
+    default_tab = 'cwsource-main'
+
+
+class CWSourceMainTab(tabs.PrimaryTab):
+    __regid__ = 'cwsource-main'
+    __select__ = is_instance('CWSource')
+
+    def render_entity_attributes(self, entity):
+        super(CWSourceMainTab, self).render_entity_attributes(entity)
+        self.w(add_etype_button(self._cw, 'CWSourceHostConfig',
+                                __linkto='cw_host_config_of:%s:subject' % entity.eid,
+                                __redirectpath=entity.rest_path()))
+        try:
+            hostconfig = self._cw.execute(
+                'Any X, XC, XH WHERE X cw_host_config_of S, S eid %(s)s, '
+                'X config XC, X match_host XH', {'s': entity.eid})
+        except Unauthorized:
+            pass
+        else:
+            if hostconfig:
+                self.w(u'<h3>%s</h3>' % self._cw._('CWSourceHostConfig_plural'))
+                self._cw.view('table', hostconfig, w=self.w,
+                              displaycols=list(range(2)),
+                              cellvids={1: 'editable-final'})
+
+
+MAPPED_SOURCE_TYPES = set( ('datafeed',) )
+
+class CWSourceMappingTab(EntityView):
+    __regid__ = 'cwsource-mapping'
+    __select__ = (is_instance('CWSource')
+                  & match_user_groups('managers')
+                  & score_entity(lambda x:x.type in MAPPED_SOURCE_TYPES))
+
+    def entity_call(self, entity):
+        _ = self._cw._
+        self.w('<h3>%s</h3>' % _('Entity and relation supported by this source'))
+        self.w(add_etype_button(self._cw, 'CWSourceSchemaConfig',
+                                __linkto='cw_for_source:%s:subject' % entity.eid))
+        self.w(u'<div class="clear"></div>')
+        rset = self._cw.execute(
+            'Any X, SCH, XO ORDERBY ET WHERE X options XO, X cw_for_source S, S eid %(s)s, '
+            'X cw_schema SCH, SCH is ET', {'s': entity.eid})
+        self.wview('table', rset, 'noresult')
+        checker = MappingChecker(entity)
+        checker.check()
+        if (checker.errors or checker.warnings or checker.infos):
+            self.w('<h2>%s</h2>' % _('Detected problems'))
+            errors = zip(repeat(_('error')), checker.errors)
+            warnings = zip(repeat(_('warning')), checker.warnings)
+            infos = zip(repeat(_('warning')), checker.infos)
+            self.wview('pyvaltable', pyvalue=errors + warnings + infos)
+
+
+class MappingChecker(object):
+    def __init__(self, cwsource):
+        self.cwsource = cwsource
+        self.errors = []
+        self.warnings = []
+        self.infos = []
+        self.schema = cwsource._cw.vreg.schema
+
+    def init(self):
+        # supported entity types
+        self.sentities = set()
+        # supported relations
+        self.srelations = {}
+        # avoid duplicated messages
+        self.seen = set()
+        # first get mapping as dict/sets
+        for schemacfg in self.cwsource.reverse_cw_for_source:
+            self.init_schemacfg(schemacfg)
+
+    def init_schemacfg(self, schemacfg):
+        cwerschema = schemacfg.schema
+        if cwerschema.__regid__ == 'CWEType':
+            self.sentities.add(cwerschema.name)
+        elif cwerschema.__regid__ == 'CWRType':
+            assert not cwerschema.name in self.srelations
+            self.srelations[cwerschema.name] = None
+        else: # CWAttribute/CWRelation
+            self.srelations.setdefault(cwerschema.rtype.name, []).append(
+                (cwerschema.stype.name, cwerschema.otype.name) )
+            self.sentities.add(cwerschema.stype.name)
+            self.sentities.add(cwerschema.otype.name)
+
+    def check(self):
+        self.init()
+        error = self.errors.append
+        warning = self.warnings.append
+        info = self.infos.append
+        for etype in self.sentities:
+            eschema = self.schema[etype]
+            for rschema, ttypes, role in eschema.relation_definitions():
+                if rschema in META_RTYPES:
+                    continue
+                ttypes = [ttype for ttype in ttypes if ttype in self.sentities]
+                if not rschema in self.srelations:
+                    for ttype in ttypes:
+                        rdef = rschema.role_rdef(etype, ttype, role)
+                        self.seen.add(rdef)
+                        if rdef.role_cardinality(role) in '1+':
+                            error(_('relation %(type)s with %(etype)s as %(role)s '
+                                    'and target type %(target)s is mandatory but '
+                                    'not supported') %
+                                  {'rtype': rschema, 'etype': etype, 'role': role,
+                                   'target': ttype})
+                        elif ttype in self.sentities:
+                            warning(_('%s could be supported') % rdef)
+                elif not ttypes:
+                    warning(_('relation %(rtype)s with %(etype)s as %(role)s is '
+                              'supported but no target type supported') %
+                            {'rtype': rschema, 'role': role, 'etype': etype})
+        for rtype, rdefs in self.srelations.items():
+            if rdefs is None:
+                rschema = self.schema[rtype]
+                for subj, obj in rschema.rdefs:
+                    if subj in self.sentities and obj in self.sentities:
+                        break
+                else:
+                    error(_('relation %s is supported but none of its definitions '
+                            'matches supported entities') % rtype)
+        self.custom_check()
+
+    def custom_check(self):
+        pass
+
+
+
+class CWSourceImportsTab(EntityView):
+    __regid__ = 'cwsource-imports'
+    __select__ = (is_instance('CWSource')
+                  & has_related_entities('cw_import_of', 'object'))
+
+    def entity_call(self, entity):
+        rset = self._cw.execute('Any X, XST, XET, XS ORDERBY XST DESC WHERE '
+                                'X cw_import_of S, S eid %(s)s, X status XS, '
+                                'X start_timestamp XST, X end_timestamp XET',
+                                {'s': entity.eid})
+        self._cw.view('cw.imports-table', rset, w=self.w)
+
+
+class CWImportsTable(tableview.EntityTableView):
+    __regid__ = 'cw.imports-table'
+    __select__ = is_instance('CWDataImport')
+    columns = ['import', 'start_timestamp', 'end_timestamp']
+    column_renderers = {'import': tableview.MainEntityColRenderer()}
+    layout_args = {'display_filter': 'top'}
+
+
+class CWSourceSyncAction(action.Action):
+    __regid__ = 'cw.source-sync'
+    __select__ = (action.Action.__select__ & match_user_groups('managers')
+                  & one_line_rset() & is_instance('CWSource')
+                  & score_entity(lambda x: x.name != 'system'))
+
+    title = _('synchronize')
+    category = 'mainactions'
+    order = 20
+
+    def url(self):
+        entity = self.cw_rset.get_entity(self.cw_row or 0, self.cw_col or 0)
+        return entity.absolute_url(vid=self.__regid__)
+
+
+class CWSourceSyncView(EntityView):
+    __regid__ = 'cw.source-sync'
+    __select__ = (match_user_groups('managers')
+                  & one_line_rset() & is_instance('CWSource')
+                  & score_entity(lambda x: x.name != 'system'))
+
+    title = _('synchronize')
+
+    def entity_call(self, entity):
+        self._cw.call_service('source-sync', source_eid=entity.eid)
+        msg = self._cw._('Source has been synchronized')
+        url = entity.absolute_url(tab='cwsource-imports', __message=msg)
+        raise Redirect(url)
+
+
+
+
+# sources management view ######################################################
+
+class ManageSourcesAction(actions.ManagersAction):
+    __regid__ = 'cwsource'
+    title = _('data sources')
+    category = 'manage'
+    order = 100
+
+
+class CWSourcesManagementView(StartupView):
+    __regid__ = 'cw.sources-management'
+    rql = ('Any S,ST,SP,SD,SN ORDERBY SN WHERE S is CWSource, S name SN, S type ST, '
+           'S latest_retrieval SD, S parser SP')
+    title = _('data sources management')
+
+    def call(self, **kwargs):
+        self.w('<h1>%s</h1>' % self._cw._(self.title))
+        self.w(add_etype_button(self._cw, 'CWSource'))
+        self.w(u'<div class="clear"></div>')
+        self.wview('cw.sources-table', self._cw.execute(self.rql))
+
+
+class CWSourcesTable(tableview.EntityTableView):
+    __regid__ = 'cw.sources-table'
+    __select__ = is_instance('CWSource')
+    columns = ['source', 'type', 'parser', 'latest_retrieval', 'latest_import']
+
+    class LatestImportColRenderer(tableview.EntityTableColRenderer):
+        def render_cell(self, w, rownum):
+            entity = self.entity(rownum)
+            rset = self._cw.execute('Any X,XS,XST ORDERBY XST DESC LIMIT 1 WHERE '
+                                    'X cw_import_of S, S eid %(s)s, X status XS, '
+                                    'X start_timestamp XST', {'s': entity.eid})
+            if rset:
+                self._cw.view('incontext', rset, row=0, w=w)
+            else:
+                w(self.empty_cell_content)
+
+    column_renderers = {
+        'source': tableview.MainEntityColRenderer(),
+        'latest_import': LatestImportColRenderer(header=_('latest import'),
+                                                 sortable=False)
+        }
+
+# datafeed source import #######################################################
+
+REVERSE_SEVERITIES = {
+    logging.DEBUG :   _('DEBUG'),
+    logging.INFO :    _('INFO'),
+    logging.WARNING : _('WARNING'),
+    logging.ERROR :   _('ERROR'),
+    logging.FATAL :   _('FATAL')
+}
+
+
+def log_to_table(req, rawdata):
+    data = []
+    for msg_idx, msg in enumerate(rawdata.split('<br/>')):
+        record = msg.strip()
+        if not record:
+            continue
+        try:
+            severity, url, line, msg = record.split('\t', 3)
+        except ValueError:
+            req.warning('badly formated log %s' % record)
+            url = line = u''
+            severity = logging.DEBUG
+            msg = record
+        data.append( (severity, url, line, msg) )
+    return data
+
+
+class LogTableLayout(tableview.TableLayout):
+    __select__ = match_view('cw.log.table')
+    needs_js = tableview.TableLayout.needs_js + ('cubicweb.log.js',)
+    needs_css = tableview.TableLayout.needs_css + ('cubicweb.log.css',)
+    columns_css = {
+        0: 'logSeverity',
+        1: 'logPath',
+        2: 'logLine',
+        3: 'logMsg',
+        }
+
+    def render_table(self, w, actions, paginate):
+        default_level = self.view.cw_extra_kwargs['default_level']
+        if default_level != 'Debug':
+            self._cw.add_onload('$("select.logFilter").val("%s").change();'
+                           % self._cw.form.get('logLevel', default_level))
+        w(u'\n<form action="#"><fieldset>')
+        w(u'<label>%s</label>' % self._cw._(u'Message threshold'))
+        w(u'<select class="log_filter" onchange="filterLog(\'%s\', this.options[this.selectedIndex].value)">'
+          % self.view.domid)
+        for level in ('DEBUG', 'INFO', 'WARNING', 'ERROR', 'FATAL'):
+            w('<option value="%s">%s</option>' % (level.capitalize(),
+                                                  self._cw._(level)))
+        w(u'</select>')
+        w(u'</fieldset></form>')
+        super(LogTableLayout, self).render_table(w, actions, paginate)
+
+    def table_attributes(self):
+        attrs = super(LogTableLayout, self).table_attributes()
+        attrs['id'] = 'table'+self.view.domid
+        return attrs
+
+    def row_attributes(self, rownum):
+        attrs = super(LogTableLayout, self).row_attributes(rownum)
+        attrs['id'] = 'log_msg_%i' % rownum
+        severityname = REVERSE_SEVERITIES[int(self.view.pyvalue[rownum][0])]
+        attrs['class'] = 'log%s' % severityname.capitalize()
+        return attrs
+
+    def cell_attributes(self, rownum, colnum, colid):
+        attrs = super(LogTableLayout, self).cell_attributes(rownum, colnum, colid)
+        attrs['class'] = self.columns_css[colnum]
+        return attrs
+
+
+class LogTable(pyviews.PyValTableView):
+    __regid__ = 'cw.log.table'
+    headers = [_('severity'), _('url'), _('line'), _('message')]
+
+    @cachedproperty
+    def domid(self):
+        return make_uid('logTable')
+
+    class SeverityRenderer(pyviews.PyValTableColRenderer):
+        def render_cell(self, w, rownum):
+            severity = self.data[rownum][0]
+            w(u'<a class="internallink" href="javascript:;" title="%(title)s" '
+              u'''onclick="document.location.hash='%(msg_id)s';">&#182;</a>'''
+              u'&#160;%(severity)s' % {
+                'severity': self._cw._(REVERSE_SEVERITIES[int(severity)]),
+                'title': self._cw._('permalink to this message'),
+                'msg_id': 'log_msg_%i' % rownum,
+            })
+        def sortvalue(self, rownum):
+            return int(self.data[rownum][0])
+
+    class URLRenderer(pyviews.PyValTableColRenderer):
+        def render_cell(self, w, rownum):
+            url = self.data[rownum][1]
+            if url and url.startswith('http'):
+                url = tags.a(url, href=url)
+            w(url or u'&#160;')
+
+    class LineRenderer(pyviews.PyValTableColRenderer):
+        def render_cell(self, w, rownum):
+            line = self.data[rownum][2]
+            w(line or u'&#160;')
+
+    class MessageRenderer(pyviews.PyValTableColRenderer):
+        snip_over = 7
+        def render_cell(self, w, rownum):
+            msg = self.data[rownum][3]
+            lines = msg.splitlines()
+            if len(lines) <= self.snip_over:
+                w(u'<pre class="rawtext">%s</pre>' % msg)
+            else:
+                # The make_uid argument has no specific meaning here.
+                div_snip_id = make_uid(u'log_snip_')
+                div_full_id = make_uid(u'log_full_')
+                divs_id = (div_snip_id, div_full_id)
+                snip = u'\n'.join((lines[0], lines[1],
+                                   u'  ...',
+                                   u'    %i more lines [double click to expand]' % (len(lines)-4),
+                                   u'  ...',
+                                   lines[-2], lines[-1]))
+                divs = (
+                        (div_snip_id, snip, u'expand', "class='collapsed'"),
+                        (div_full_id, msg,  u'collapse', "class='hidden'")
+                )
+                for div_id, content, button, h_class in divs:
+                    text = self._cw._(button)
+                    js = u"toggleVisibility('%s'); toggleVisibility('%s');" % divs_id
+                    w(u'<div id="%s" %s>' % (div_id, h_class))
+                    w(u'<pre class="raw_test" ondblclick="javascript: %s" '
+                      u'title="%s" style="display: block;">' % (js, text))
+                    w(content)
+                    w(u'</pre>')
+                    w(u'</div>')
+
+    column_renderers = {0: SeverityRenderer(),
+                        1: URLRenderer(sortable=False),
+                        2: LineRenderer(sortable=False),
+                        3: MessageRenderer(sortable=False),
+                        }
+
+
+class DataFeedSourceDataImport(EntityView):
+    __select__ = EntityView.__select__ & match_kwargs('rtype')
+    __regid__ = 'cw.formated_log'
+
+    def cell_call(self, row, col, rtype, loglevel='Info', **kwargs):
+        if 'dispctrl' in self.cw_extra_kwargs:
+            loglevel = self.cw_extra_kwargs['dispctrl'].get('loglevel', loglevel)
+        entity = self.cw_rset.get_entity(row, col)
+        value = getattr(entity, rtype)
+        if value:
+            self._cw.view('cw.log.table', pyvalue=log_to_table(self._cw, value),
+                          default_level=loglevel, w=self.w)
+        else:
+            self.w(self._cw._('no log to display'))
+
+
+_pvs.tag_attribute(('CWDataImport', 'log'), 'relations')
+_pvdc.tag_attribute(('CWDataImport', 'log'), {'vid': 'cw.formated_log'})
+_pvs.tag_subject_of(('CWDataImport', 'cw_import_of', '*'), 'hidden') # in breadcrumbs
+_pvs.tag_object_of(('*', 'cw_import_of', 'CWSource'), 'hidden') # in dedicated tab
+
+
+class CWDataImportIPrevNextAdapter(navigation.IPrevNextAdapter):
+    __select__ = is_instance('CWDataImport')
+
+    def next_entity(self):
+        if self.entity.start_timestamp is not None:
+            # add NOT X eid %(e)s because > may not be enough
+            rset = self._cw.execute(
+                'Any X,XSTS ORDERBY 2 LIMIT 1 WHERE X is CWDataImport, '
+                'X cw_import_of S, S eid %(s)s, NOT X eid %(e)s, '
+                'X start_timestamp XSTS, X start_timestamp > %(sts)s',
+                {'sts': self.entity.start_timestamp,
+                 'e': self.entity.eid,
+                 's': self.entity.cwsource.eid})
+            if rset:
+                return rset.get_entity(0, 0)
+
+    def previous_entity(self):
+        if self.entity.start_timestamp is not None:
+            # add NOT X eid %(e)s because < may not be enough
+            rset = self._cw.execute(
+                'Any X,XSTS ORDERBY 2 DESC LIMIT 1 WHERE X is CWDataImport, '
+                'X cw_import_of S, S eid %(s)s, NOT X eid %(e)s, '
+                'X start_timestamp XSTS, X start_timestamp < %(sts)s',
+                {'sts': self.entity.start_timestamp,
+                 'e': self.entity.eid,
+                 's': self.entity.cwsource.eid})
+            if rset:
+                return rset.get_entity(0, 0)
+
+class CWDataImportStatusFacet(facet.AttributeFacet):
+    __regid__ = 'datafeed.dataimport.status'
+    __select__ = is_instance('CWDataImport')
+    rtype = 'status'
+
+
+# breadcrumbs configuration ####################################################
+
+class CWsourceConfigIBreadCrumbsAdapter(ibreadcrumbs.IBreadCrumbsAdapter):
+    __select__ = is_instance('CWSourceHostConfig', 'CWSourceSchemaConfig')
+    def parent_entity(self):
+        return self.entity.cwsource
+
+class CWDataImportIBreadCrumbsAdapter(ibreadcrumbs.IBreadCrumbsAdapter):
+    __select__ = is_instance('CWDataImport')
+    def parent_entity(self):
+        return self.entity.cw_import_of[0]