def template_data()

in trac/trac/ticket/query.py [0:0]

• 109 lines of code
• 44 McCabe index (conditional complexity)

    def template_data(self, context, tickets, orig_list=None, orig_time=None,
                      req=None):
        clauses = []
        for clause in self.constraints:
            constraints = {}
            for k, v in clause.items():
                constraint = {'values': [], 'mode': ''}
                for val in v:
                    neg = val.startswith('!')
                    if neg:
                        val = val[1:]
                    mode = ''
                    if val[:1] in ('~', '^', '$') \
                                        and not val in self.substitutions:
                        mode, val = val[:1], val[1:]
                    if req:
                        val = val.replace('$USER', req.authname)
                    constraint['mode'] = ('!' if neg else '') + mode
                    constraint['values'].append(val)
                constraints[k] = constraint
            clauses.append(constraints)

        cols = self.get_columns()
        labels = TicketSystem(self.env).get_ticket_field_labels()
        wikify = set(f['name'] for f in self.fields
                     if f['type'] == 'text' and f.get('format') == 'wiki')

        headers = [{
            'name': col, 'label': labels.get(col, _('Ticket')),
            'wikify': col in wikify,
            'href': self.get_href(context.href, order=col,
                                  desc=(col == self.order and not self.desc))
        } for col in cols]

        fields = {'id': {'type': 'id', 'label': _("Ticket")}}
        for field in self.fields:
            name = field['name']
            if name == 'owner' and field['type'] == 'select':
                # Make $USER work when restrict_owner = true
                field = field.copy()
                field['options'].insert(0, '$USER')
            if name == 'milestone':
                milestones = [Milestone(self.env, opt)
                              for opt in field['options']]
                milestones = [m for m in milestones
                              if 'MILESTONE_VIEW' in context.perm(m.resource)]
                groups = group_milestones(milestones, True)
                field['options'] = []
                field['optgroups'] = [
                    {'label': label, 'options': [m.name for m in milestones]}
                    for (label, milestones) in groups]
            fields[name] = field

        groups = {}
        groupsequence = []
        for ticket in tickets:
            if orig_list:
                # Mark tickets added or changed since the query was first
                # executed
                if ticket['time'] > orig_time:
                    ticket['added'] = True
                elif ticket['changetime'] > orig_time:
                    ticket['changed'] = True
            if self.group:
                group_key = ticket[self.group]
                # If grouping by datetime field use days (Bloodhound #68)
                if self.group in ('changetime', 'time'):
                    group_key = format_date(group_key)
                groups.setdefault(group_key, []).append(ticket)
                if not groupsequence or group_key not in groupsequence:
                    groupsequence.append(group_key)
        groupsequence = [(value, groups[value]) for value in groupsequence]

        # detect whether the last group continues on the next page,
        # by checking if the extra (max+1)th ticket is in the last group
        last_group_is_partial = False
        if groupsequence and self.max and len(tickets) == self.max + 1:
            del tickets[-1]
            if len(groupsequence[-1][1]) == 1:
                # additional ticket started a new group
                del groupsequence[-1] # remove that additional group
            else:
                # additional ticket stayed in the group
                last_group_is_partial = True
                del groupsequence[-1][1][-1] # remove the additional ticket

        results = Paginator(tickets,
                            self.page - 1,
                            self.max,
                            self.num_items)

        if req:
            if results.has_next_page:
                next_href = self.get_href(req.href, max=self.max,
                                          page=self.page + 1)
                add_link(req, 'next', next_href, _('Next Page'))

            if results.has_previous_page:
                prev_href = self.get_href(req.href, max=self.max,
                                          page=self.page - 1)
                add_link(req, 'prev', prev_href, _('Previous Page'))
        else:
            results.show_index = False

        pagedata = []
        shown_pages = results.get_shown_pages(21)
        for page in shown_pages:
            pagedata.append([self.get_href(context.href, page=page), None,
                             str(page), _('Page %(num)d', num=page)])

        results.shown_pages = [dict(zip(['href', 'class', 'string', 'title'],
                                        p)) for p in pagedata]
        results.current_page = {'href': None, 'class': 'current',
                                'string': str(results.page + 1),
                                'title':None}

        return {'query': self,
                'context': context,
                'col': cols,
                'row': self.rows,
                'clauses': clauses,
                'headers': headers,
                'fields': fields,
                'modes': self.get_modes(),
                'tickets': tickets,
                'groups': groupsequence or [(None, tickets)],
                'last_group_is_partial': last_group_is_partial,
                'paginator': results}