Move fundraiser calculations to model

This changes simplifies the template and adds correct pluralisation of
hours/hour remaining.
This commit is contained in:
Ben Sturmfels 2024-03-21 13:20:30 +11:00
parent 28f3b8de08
commit 79361cdf97
Signed by: bsturmfels
GPG key ID: 023C05E2C9C068F0
3 changed files with 58 additions and 73 deletions

View file

@ -1,3 +1,5 @@
import datetime
import math
import random import random
from django.db import models from django.db import models
@ -10,6 +12,9 @@ class FundraisingGoal(models.Model):
fundraiser_goal_amount = models.DecimalField(max_digits=10, decimal_places=2) fundraiser_goal_amount = models.DecimalField(max_digits=10, decimal_places=2)
fundraiser_so_far_amount = models.DecimalField(max_digits=10, decimal_places=2) fundraiser_so_far_amount = models.DecimalField(max_digits=10, decimal_places=2)
fundraiser_donation_count = models.IntegerField() fundraiser_donation_count = models.IntegerField()
# The number of new Sustainers that can be double-matched this fundraiser.
# (No, this name makes no sense. We're repurposing an existing model field
# for this new reason.)
fundraiser_donation_count_disclose_threshold = models.IntegerField() fundraiser_donation_count_disclose_threshold = models.IntegerField()
fundraiser_endtime = models.DateTimeField(null=True) fundraiser_endtime = models.DateTimeField(null=True)
@ -34,6 +39,20 @@ class FundraisingGoal(models.Model):
else: else:
return random.sample(providers, k) return random.sample(providers, k)
def days_remaining(self):
now = datetime.datetime.now()
return (self.fundraiser_endtime - now).days
def hours_remaining(self):
now = datetime.datetime.now()
return int(math.ceil((self.fundraiser_endtime - now).seconds / 3600))
def match_remaining(self):
return self.fundraiser_goal_amount - self.fundraiser_so_far_amount
def match_exceeded_by(self):
return self.fundraiser_so_far_amount - self.fundraiser_goal_amount
class GoalProvider(models.Model): class GoalProvider(models.Model):
fundraising_goal = models.ForeignKey( fundraising_goal = models.ForeignKey(

View file

@ -1,81 +1,50 @@
{% load humanize %} {% load humanize %}
{% load subtract %} {% load subtract %}
{% comment %} {% if sitefundgoal.days_remaining >= -7 %}{# i.e. 7 days over completion #}
# FUNDRAISER VARIABLES AND CONSTANTS GUIDE
## From Local Context
* datetime_now: Current DateTime in UTC
* sitefundgoal: The current FundraisingGoal. Attributes:
* fundraiser_goal_amount: The amount being matched
* fundraiser_so_far_amount: The amount contributed so far
* fundraiser_donation_count: The number of people who have contributed so far
* fundraiser_donation_count_disclose_threshold: The number of new Sustainers that can be double-matched this fundraiser.
(No, this name makes no sense. We're repurposing an existing model field for this new reason.)
* sitefundgoal_endtime: DateTime when sitefundgoal ends.
## Local convenience variables
* sitefundgoal_timeleft: TimeDelta for how much time remains in the current fundraiser
* this_match_goal: The amount being matched
* this_match_so_far: The amount contributed so far
* this_match_remaining: this_match_goal - this_match_so_far
* this_match_exceeded: this_match_so_far - this_match_goal
{% endcomment %}
{% with this_match_goal=sitefundgoal.fundraiser_goal_amount this_match_so_far=sitefundgoal.fundraiser_so_far_amount %}
{% with this_match_remaining=this_match_goal|subtract:this_match_so_far sitefundgoal_timeleft=sitefundgoal.fundraiser_endtime|subtract:datetime_now this_match_exceeded=this_match_so_far|subtract:this_match_goal %}
{% if sitefundgoal_timeleft.total_seconds >= -604800 %}
<div class="fundraiser-top-text ph3 pt2 pb3 mb2 mb3-ns"> <div class="fundraiser-top-text ph3 pt2 pb3 mb2 mb3-ns">
<div class="mw8 center ph2 ph4-ns"> <div class="mw8 center ph2 ph4-ns">
<div class="mt2 mb3 tc"> <div class="mt2 mb3 tc">
{% if datetime_now < sitefundgoal.fundraiser_endtime %} {% if sitefundgoal.days_remaining >= 0 %}
{% if this_match_remaining <= 0 %} {% if fundgoal.match_remaining <= 0 %}
Thanks to so many donors, we earned our full match! Thanks to so many donors, we earned our full match!
Help us go further to stand up for software freedom &mdash; <a href="/sustainer">sign up now</a>! Help us go further to stand up for software freedom &mdash; <a href="/sustainer">sign up now</a>!
{% else %} {% else %}
{% if sitefundgoal_timeleft.days == 0 %} {% if sitefundgoal.days_remaining == 0 %}
For the next {% widthratio sitefundgoal_timeleft.total_seconds 3600 1 %} hours <strong>only</strong>, the For the next {{ sitefundgoal.hours_remaining }} hour{{ sitefundgoal.hours_remaining|pluralize }} <strong>only</strong>, the
{% elif sitefundgoal_timeleft.days == 1 %} {% elif sitefundgoal.days_remaining == 1 %}
Through tomorrow only, the Through tomorrow only, the
{% elif sitefundgoal_timeleft.days < 14 %} {% elif sitefundgoal.days_remaining < 14 %}
For only {{ sitefundgoal_timeleft.days }} more days, the For only {{ sitefundgoal.days_remaining }} more days, the
{% else %} {% else %}
Until January 15, the Until January 15, the
{% endif %} {% endif %}
next ${{ this_match_remaining|floatformat:0|intcomma }} of <a href="/sustainer/">support we receive</a> will be matched! next ${{ sitefundgoal.match_remaining|floatformat:0|intcomma }} of <a href="/sustainer/">support we receive</a> will be matched!
{% endif %} {% endif %}
{% else %} {% else %}
Thank you so much to all our donors who participated in our donation match challenge! Here are the results: Thank you so much to all our donors who participated in our donation match challenge! Here are the results:
{% endif %} {% endif %}
</div> </div>
{% if 1 %} <a href="/sustainer/" style="text-decoration: none !important">
<a href="/sustainer/" style="text-decoration: none !important"> <div id="siteprogressbar" class="flex items-stretch w-100">
<div id="siteprogressbar" class="flex items-stretch w-100"> {% if sitefundgoal.match_remaining <= 0 %}
{% if this_match_remaining <= 0 %} <div class="progress matched ph1 pv1 b flex items-center" style="flex-basis: {{ sitefundgoal.fundraiser_so_far_amount }}px">
<div class="progress matched pv1 b flex items-center" style="flex-basis: {{ this_match_so_far }}px"> <span id="site-fundraiser-match-count" class="soFarText tc w-100 ph1">${{ sitefundgoal.fundraiser_goal_amount|floatformat:0|intcomma }} fully matched!</span>
<span id="site-fundraiser-match-count" class="soFarText tc w-100">${{ this_match_goal|floatformat:0|intcomma }} fully matched!</span>
</div> </div>
<div class="progress exceeded pv1 b flex items-center" style="flex-basis: {{ this_match_exceeded }}px"> <div class="progress exceeded pv1 b flex items-center" style="flex-basis: {{ sitefundgoal.match_exceeded_by }}px">
<span id="site-fundraiser-match-count" class="soFarText tc w-100 exceeded">${{this_match_exceeded|floatformat:0|intcomma }} additional<br> raised!<br></span> <span id="site-fundraiser-match-count" class="soFarText tc w-100 exceeded ph1">${{sitefundgoal.match_exceeded_by|floatformat:0|intcomma }} additional<br> raised!<br></span>
</div> </div>
{% else %} {% else %}
<div class="progress pv1 b flex items-center" style="flex-basis: {{ this_match_so_far }}px"> <div class="progress ph1 pv1 b flex items-center" style="flex-basis: {{ sitefundgoal.fundraiser_so_far_amount }}px">
<span id="site-fundraiser-match-count" class="soFarText tc w-100">${{ this_match_so_far|floatformat:0|intcomma }} matched!</span> <span id="site-fundraiser-match-count" class="soFarText tc w-100">${{ sitefundgoal.fundraiser_so_far_amount|floatformat:0|intcomma }} matched!</span>
</div> </div>
<div class="final-goal pv1 b flex items-center" style="flex-basis: {{ this_match_remaining }}px"> <div class="final-goal pv1 b flex items-center" style="flex-basis: {{ sitefundgoal.match_remaining }}px">
<span id="site-fundraiser-final-goal" class="goalText tc w-100">${{ this_match_remaining|floatformat:0|intcomma }} to go!</span> <span id="site-fundraiser-final-goal" class="goalText tc w-100 ph1">${{ sitefundgoal.match_remaining|floatformat:0|intcomma }} to go!</span>
</div> </div>
{% endif %} {% endif %}
</div> </div>
</a> </a>
</div>
</div>
{% endif %} {% endif %}
</div>
</div>
{% endif %}
{% endwith %}
{% endwith %}

View file

@ -1,5 +1,3 @@
from datetime import datetime as DateTime
from .fundgoal.models import FundraisingGoal from .fundgoal.models import FundraisingGoal
SITE_FUNDGOAL = 'cy2023-end-year-match' SITE_FUNDGOAL = 'cy2023-end-year-match'
@ -13,7 +11,6 @@ def fundgoal_lookup(fundraiser_sought):
def sitefundraiser(request): def sitefundraiser(request):
return { return {
'datetime_now': DateTime.now(),
'sitefundgoal': fundgoal_lookup(SITE_FUNDGOAL), 'sitefundgoal': fundgoal_lookup(SITE_FUNDGOAL),
} }