I want to plot my milestones into a 28-week calendar using Django. What
would be the best approach to doing that?
I have the following code:
[dashboardcalendar.py (custom template tag)]
from datetime import datetime, timedelta
from django.template import Library,Node
register = Library()
def plot_calendar(context):
"""
Plot milestones into an XHTML calendar
Calendar starts today and ends at the end of day range defined by days
(default = 28)
"""
week = [datetime.today() + timedelta(days = n) for n in range(7)]
week_days = [d.strftime("%A") for d in week]
# calendar_milestones is a list of Milestone model objects
# with date_close (date) attribute
if context.has_key('calendar_milestones'):
milestones = context['calendar_milestones']
else:
milestones = None
if not context.has_key('weeks'):
days = int(context['weeks']) * 7
else:
days = 28
dates = []
for n in range(days):
date = datetime.today() + timedelta(days=n)
dates.append(date)
return {
'week_days': week_days,
'calendar_days': dates,
'calendar_milestones': milestones,
}
register.inclusion_tag('dashboard/widgets/calendar.html',
takes_context = True)(plot_calendar)
and my template:
[dashboard/widget/calendar.html (customfilters: isSunday, isFirstofMonth,
isOverdue)]
{% load customfilters %}
{% if week_days %}
<!-- BEGIN upcoming milestones claendar -->
<table summary="Milestones due in the next 4 weeks" cellspacing='1'
class="calendar">
<caption>Milestones due in the next 4 weeks</caption>
<thead>
<tr>
{% for w in week_days %}
<th>{{ w }}</th>
{% endfor %}
</tr>
</thead>
<tbody>
{% if calendar_days %}
{% for d in calendar_days %}
{% if forloop.counter0|divisibleby:7 %}
{% if not forloop.first %}</tr>{% endif %}
{% if not forloop.last %}<tr>{% endif %}
{% endif %}
{% if forloop.first %}
<td class="today">
<ul><li><strong>TODAY</strong>
<!-- if there are milestones due today, list them here
-->
{% else %}
{% if d|isSunday %}<td class="sunday">{% else %}<td>{% endif %}
<ul><li>{% if d|isFirstOfMonth %}<strong
class="black">{{ d|date:"j N" }}</strong>{% else %}{{ d|date:"j" }}{% endif %}
<!-- if there are milestones due on that date, list
them here -->
{% endif %}
</li></ul>
</td>
{% endfor %}
{% else %}
<tr>
<td colspan="7">
<div class="error">Can't create calendar cells because
I don't know the day range</div>
</td>
</tr>
{% endif %}
</tbody>
</table>
<!-- END upcoming milestones calendar -->
{% endif %}
<!-- just testing -->
{% if calendar_milestones %}
<ul>
{% for m in calendar_milestones %}
{% if m.date_close|isOverdue %}<li class="red">{% else %}<li>{%
endif %}
{{ m.date_close|date:"j F" }} | {{ m.name }} ({{ m.project.name
}})</li>
{% endfor %}
</ul>
{% endif %}
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