memopol_tags.py

# coding: utf-8

import re

from django import template
from django.contrib.humanize.templatetags.humanize import naturalday
from django.contrib.staticfiles.templatetags.staticfiles import static
from django.core.urlresolvers import reverse
from django.utils.safestring import mark_safe
from django.utils.html import escape

register = template.Library()
link = u'<a class="{network}-link" href="{url}" target="_blank">{label}</a>'


def cssify(string):
    return re.sub('[^a-z_-]', '', string.lower())


def fix_url(url):
    # Ensure we have a usable URL
    return re.sub('^(https?://)?', 'https://', url.strip())


@register.filter
def twitter_link(url):
    furl = fix_url(url)
    return mark_safe(link.format(network='twitter', url=furl,
        label=re.sub(r'.*/@?([^/]+)', '@\\1', re.sub(r'/$', '', furl))))


@register.filter
def facebook_link(url):
    furl = fix_url(url)
    clean_url = re.sub(r'/$', '', re.sub(r'\?.*', '', furl))
    m = re.search(r'/pages/([^/]+)', clean_url, re.I)
    return mark_safe(link.format(network='facebook', url=furl,
        label=m.group(1) if m else re.sub(r'.*/([^/]+)', '\\1', clean_url)))


@register.filter
def website_link(url):
    furl = fix_url(url)
    short_url = re.sub(r'^https?://([^/]+).*', '\\1', furl)
    return mark_safe(link.format(network='website', url=furl,
        label=short_url))


@register.filter
def email_link(address):
    return mark_safe(link.format(network='email', url='mailto:%s' % address,
        label=address))


@register.simple_tag
def group_url(group):
    if group.kind == 'chamber' or group.chamber is None:
        return escape(reverse('representative-list', kwargs={
            'group_kind': group.kind,
            'group': group.name
        }))
    else:
        return escape(reverse('representative-list', kwargs={
            'group_kind': group.kind,
            'chamber': group.chamber.name,
            'group': group.name
        }))


@register.simple_tag
def chamber_url(chamber):
    return escape(reverse('representative-list', kwargs={
        'group_kind': 'chamber',
        'group': chamber.name
    }))


@register.simple_tag
def country_url(country):
    return escape(reverse('representative-list', kwargs={
        'group_kind': 'country',
        'group': country.name
    }))


@register.filter
def country_flag(country):
    # Enable using groups instead of countries
    code = country.code if hasattr(country, 'code') else country.abbreviation
    return mark_safe(
        '<span class="flag-icon flag-icon-{code}"></span>'.format(
            code=code.lower()))


@register.filter
def chamber_icon(chamber, tplace='bottom'):
    url = static('images/chamber-%s.png' % cssify(chamber.abbreviation))
    return mark_safe(
        u'<span class="chamber-icon" style="background-image: url({url})"'
        u' data-toggle="tooltip" data-placement="{place}"'
        u' title="{name}"></span>'.format(
            name=chamber.name,
            url=url,
            place=tplace
        )
    )


@register.simple_tag
def chamber_page_link(site, name):
    icon_url = static('images/chamber-%s.png' % cssify(site.kind))
    site_url = fix_url(site.url)
    return mark_safe(
        u'<span class="chamber-icon" style="background-image: url({icon})" '
        u'></span> <a href="{site}" target="_blank">{name}</a>'
        .format(name=name, site=site_url, icon=icon_url))


@register.filter
def mandate_icon(main_mandate):
    group = main_mandate.group
    url = static('images/group-%s.png' % cssify('%s-%s' % (
        group.chamber.abbreviation, group.abbreviation)))
    return mark_safe(
        u'<span class="group-icon" style="background-image: url({url})">'
        u'</span> {role} of {name}'.format(
            role=main_mandate.role,
            name=main_mandate.group.name,
            url=url))


@register.filter
def group_icon(group):
    url = static('images/group-%s.png' % cssify('%s-%s' % (
        group.chamber.abbreviation, group.abbreviation)))
    return mark_safe(
        u'<span class="group-icon" style="background-image: url({url})">'
        u'</span>'.format(url=url, name=group.abbreviation))


@register.filter
def group_long_icon(group):
    url = static('images/group-%s.png' % cssify('%s-%s' % (
        group.chamber.abbreviation, group.abbreviation)))
    return mark_safe(
        u'<span class="group-icon" style="background-image: url({url})">'
        u'</span> {name}'.format(url=url, name=group.name))


@register.filter
def mandate_date(date, arg=None):
    if date is None or date.year == 9999:
        return 'present'
    else:
        return naturalday(date, arg)


@register.filter
def position_icon(position, recommendation=None):
    color = 'default'
    if recommendation:
        if position == recommendation:
            color = 'success'
        else:
            color = 'danger'

    if position == 'for':
        icon = "thumbs-up"
    elif position == 'against':
        icon = "thumbs-down"
    else:
        icon = "circle-o"

    pattern = '<i class="fa fa-%s text-%s" title="%s"></i>'
    return mark_safe(pattern % (icon, color, position))


@register.filter
def proposal_status_label(status, recommendation=None):
    color = 'default'
    if recommendation:
        reco = recommendation.recommendation

        if (reco == 'for' and status == 'adopted' or
           reco == 'against' and status == 'rejected'):
            color = 'success'
        elif (reco == 'for' and status == 'rejected' or
              reco == 'against' and status == 'adopted'):
            color = 'danger'

    pattern = '<span class="label label-%s">%s</span>'
    return mark_safe(pattern % (color, status))


@register.filter
def score_badge(score, tooltip=None):
    if score > 0:
        color = 'success'
    elif score < 0:
        color = 'danger'
    else:
        color = 'primary'

    attrs = ''
    if tooltip:
        attrs = 'data-toggle="tooltip" data-placement="%s" title="%s"'
        attrs = attrs % ('left', tooltip)

    pattern = '<span class="badge badge-%s" %s>%s</span>'
    return mark_safe(pattern % (color, attrs, score))


@register.filter
def cast_str(val):
    return str(val)