# custom application views

from calendar import monthrange

from datetime import date

from cubicweb.web.views import baseviews, boxes, calendar

from cubicweb.web.htmlwidgets import BoxLink, BoxWidget

_ = unicode

class BlogEntryPrimaryView(baseviews.PrimaryView):

    accepts = ('BlogEntry',)

    def cell_call(self, row, col):

        entity = self.entity(row, col)

        self.w(u'<h1>%s</h1>' % entity.dc_title())

        entity.view('metadata', w=self.w)

        self.w(entity.printable_value('text'))

class BlogArchiveBox(boxes.BoxTemplate):

    """side box usually displaying some related entities in a primary view"""

    id = 'blog_archives_box'

    title = _('blog archives')

    def call(self, **kwargs):

        """display a list of entities by calling their <item_vid> view

        """

        _ = self.req._

        rset = self.req.execute('Any CD ORDERBY CD DESC WHERE B is Blog, B creation_date CD')

        blogmonths = []

        for (blogdate,) in rset:

            year, month = blogdate.year, blogdate.month

            if (year, month) not in blogmonths:

                blogmonths.append( (year, month) )

        box = BoxWidget(_('Blog archives'), id=self.id)

        for year, month in blogmonths:

            firstday = date(year, month, 1)

            lastday = date(year, month, monthrange(year, month)[1])

            rql = ('Any B WHERE B is BlogEntry, B creation_date >= "%s", B creation_date <= "%s"'

                   % (firstday.strftime('%Y-%m-%d'), lastday.strftime('%Y-%m-%d')))

            url = self.build_url(rql=rql)

            label = u'%s %s' % (_(calendar.MONTHNAMES[month-1]), year)

            box.append( BoxLink(url, label) )

        box.render(self.w)