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Code Issues Releases Activity Actions 1

Implement savings rate insight card (#670)

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Josh Brown 2024-04-24 15:02:22 +01:00 • committed by GitHub
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commit b3f8ab78d9
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7 changed files with 89 additions and 54 deletions
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3
app/controllers/pages_controller.rb
View file

@ -10,10 +10,12 @@ class PagesController < ApplicationController
snapshot_transactions = Current.family.snapshot_transactions
@income_series = snapshot_transactions[:income_series]
@spending_series = snapshot_transactions[:spending_series]
@savings_rate_series = snapshot_transactions[:savings_rate_series]
snapshot_account_transactions = Current.family.snapshot_account_transactions
@top_spenders = snapshot_account_transactions[:top_spenders]
@top_earners = snapshot_account_transactions[:top_earners]
@top_savers = snapshot_account_transactions[:top_savers]
@account_groups = Current.family.accounts.by_group(period: @period, currency: Current.family.currency)
@transactions = Current.family.transactions.limit(5).order(date: :desc)
@ -22,7 +24,6 @@ class PagesController < ApplicationController
placeholder_series_data = 10.times.map do |i|
{ date: Date.current - i.days, value: Money.new(0) }
end
@savings_rate_series = TimeSeries.new(10.times.map { |i| { date: Date.current - i.days, value: 0 } })
@investing_series = TimeSeries.new(placeholder_series_data)
end

19
app/models/family.rb
View file

@ -30,7 +30,6 @@ class Family < ApplicationRecord
def snapshot_account_transactions
period = Period.last_30_days
results = accounts.active.joins(:transactions)
.select(
"accounts.*",
@ -42,9 +41,16 @@ class Family < ApplicationRecord
.group("id")
.to_a
results.each do |r|
r.define_singleton_method(:savings_rate) do
(income - spending) / income
end
end
{
top_spenders: results.sort_by(&:spending).select { |a| a.spending > 0 }.reverse,
top_earners: results.sort_by(&:income).select { |a| a.income > 0 }.reverse
top_earners: results.sort_by(&:income).select { |a| a.income > 0 }.reverse,
top_savers: results.sort_by { |a| a.savings_rate }.reverse
}
end
@ -53,6 +59,7 @@ class Family < ApplicationRecord
spending = []
income = []
savings = []
rolling_totals.each do |r|
spending << {
date: r.date,
@ -63,11 +70,17 @@ class Family < ApplicationRecord
date: r.date,
value: Money.new(r.rolling_income, self.currency)
}
savings << {
date: r.date,
value: r.rolling_income != 0 ? (r.rolling_income - r.rolling_spend) / r.rolling_income : 0.to_d
}
end
{
income_series: TimeSeries.new(income, favorable_direction: "up"),
spending_series: TimeSeries.new(spending, favorable_direction: "down")
spending_series: TimeSeries.new(spending, favorable_direction: "down"),
savings_rate_series: TimeSeries.new(savings, favorable_direction: "up")
}
end

46
app/views/pages/dashboard.html.erb
View file

@ -101,22 +101,38 @@
</div>
</div>
<div class="bg-white p-4 border border-alpha-black-25 shadow-xs rounded-xl">
<div class="flex gap-4 h-full">
<div class="grow">
<%= render partial: "shared/value_heading", locals: {
label: t(".savings_rate"),
period: @period,
value: @savings_rate_series.last.value,
trend: @savings_rate_series.trend,
is_percentage: true
} %>
<div class="flex flex-col gap-4 h-full">
<div class="flex gap-4">
<div class="grow">
<%= render partial: "shared/value_heading", locals: {
label: t(".savings_rate"),
period: Period.last_30_days,
value: @savings_rate_series.last&.value,
trend: @savings_rate_series.trend,
is_percentage: true
} %>
</div>
<div
id="savingsRateChart"
class="h-full w-2/5"
data-controller="time-series-chart"
data-time-series-chart-data-value="<%= @savings_rate_series.to_json %>"
data-time-series-chart-use-labels-value="false"
data-time-series-chart-use-tooltip-value="false"></div>
</div>
<div class="flex gap-1.5">
<% @top_savers.first(3).each do |account| %>
<%= link_to account, class: "border border-alpha-black-25 rounded-full p-1 pr-2 flex items-center gap-1 text-xs text-gray-900 font-medium hover:bg-gray-25" do %>
<div class="flex items-center justify-center text-xs w-5 h-5 rounded-full <%= accountable_text_class(account.accountable_type) %> <%= accountable_bg_transparent_class(account.accountable_type) %>">
<%= account.name[0].upcase %>
</div>
<span><%= account.savings_rate > 0 ? "+" : "-" %><%= number_to_percentage(account.savings_rate.abs * 100, precision: 2) %></span>
<% end %>
<% end %>
<% if @top_savers.count > 3 %>
<div class="bg-gray-25 rounded-full flex h-full aspect-1 items-center justify-center text-xs font-medium text-gray-500">+<%= @top_savers.count - 3 %></div>
<% end %>
</div>
<div
id="savingsRateChart"
class="h-full w-2/5"
data-controller="time-series-chart"
data-time-series-chart-data-value="<%= @savings_rate_series.to_json %>"
data-time-series-chart-use-labels-value="false"></div>
</div>
</div>
<div class="bg-white p-4 border border-alpha-black-25 shadow-xs rounded-xl">

2
app/views/shared/_trend_change.html.erb
View file

@ -4,7 +4,7 @@
<% if trend.direction.flat? %>
<span>No change</span>
<% else %>
<span><%= styles[:symbol] %><%= trend.value.is_a?(Money) ? format_money(trend.value.abs) : trend.value.abs %></span>
<span><%= styles[:symbol] %><%= trend.value.is_a?(Money) ? format_money(trend.value.abs) : trend.value.abs.round(2) %></span>
<span>(<%= lucide_icon(styles[:icon], class: "w-4 h-4 align-text-bottom inline") %><%= trend.percent %>%)</span>
<% end %>
</p>

2
config/locales/views/pages/en.yml
View file

@ -13,7 +13,7 @@ en:
new: New account
no_transactions: You have no recent transactions
recurring: Recurring
savings_rate: Savings Rate (coming soon...)
savings_rate: Savings Rate
spending: Spending
subtitle: Here's what's happening today
transactions: Transactions

64
test/fixtures/family/expected_snapshots.csv vendored
View file

@ -1,32 +1,32 @@
date_offset,net_worth,assets,liabilities,depositories,investments,loans,credits,properties,vehicles,other_assets,other_liabilities,spending,income,rolling_spend,rolling_income
-30,48278.57,49318.57,1040.00,48918.57,0.00,0.00,1040.00,0.00,0.00,400.00,0.00,0,0,0,0
-29,49298.96,50238.96,940.00,49838.96,0.00,0.00,940.00,0.00,0.00,400.00,0.00,15,1018.8,15,1018.8
-28,49311.01,50251.01,940.00,49851.01,0.00,0.00,940.00,0.00,0.00,400.00,0.00,0,0,15,1018.8
-27,49248.35,50188.35,940.00,49788.35,0.00,0.00,940.00,0.00,0.00,400.00,0.00,0,0,15,1018.8
-26,49200.15,50140.15,940.00,49740.15,0.00,0.00,940.00,0.00,0.00,400.00,0.00,0,0,15,1018.8
-25,48447.74,49387.74,940.00,48987.74,0.00,0.00,940.00,0.00,0.00,400.00,0.00,0,0,15,1018.8
-24,48428.46,49368.46,940.00,48968.46,0.00,0.00,940.00,0.00,0.00,400.00,0.00,0,0,15,1018.8
-23,48388.70,49328.70,940.00,48928.70,0.00,0.00,940.00,0.00,0.00,400.00,0.00,0,0,15,1018.8
-22,49502.26,50442.26,940.00,50042.26,0.00,0.00,940.00,0.00,0.00,400.00,0.00,0,1075,15,2093.8
-21,49509.49,50449.49,940.00,50049.49,0.00,0.00,940.00,0.00,0.00,400.00,0.00,0,0,15,2093.8
-20,49520.33,50460.33,940.00,50060.33,0.00,0.00,940.00,0.00,0.00,400.00,0.00,0,0,15,2093.8
-19,49265.33,50205.33,940.00,49805.33,0.00,0.00,940.00,0.00,0.00,400.00,0.00,216.44,0,231.44,2093.8
-18,47267.72,48207.72,940.00,47807.72,0.00,0.00,940.00,0.00,0.00,400.00,0.00,2000,0,2231.44,2093.8
-17,47260.55,48200.55,940.00,47800.55,0.00,0.00,940.00,0.00,0.00,400.00,0.00,0,0,2231.44,2093.8
-16,47249.80,48189.80,940.00,47789.80,0.00,0.00,940.00,0.00,0.00,400.00,0.00,0,0,2231.44,2093.8
-15,47175.14,48135.14,960.00,47735.14,0.00,0.00,960.00,0.00,0.00,400.00,0.00,40,0,2271.44,2093.8
-14,47172.75,48132.75,960.00,47732.75,0.00,0.00,960.00,0.00,0.00,400.00,0.00,0,0,2271.44,2093.8
-13,47166.78,48126.78,960.00,47726.78,0.00,0.00,960.00,0.00,0.00,400.00,0.00,0,0,2271.44,2093.8
-12,47854.20,48844.20,990.00,48144.20,0.00,0.00,990.00,0.00,0.00,700.00,0.00,60,50,2331.44,2143.8
-11,47830.30,48820.30,990.00,48120.30,0.00,0.00,990.00,0.00,0.00,700.00,0.00,0,0,2331.44,2143.8
-10,47906.78,48896.78,990.00,48196.78,0.00,0.00,990.00,0.00,0.00,700.00,0.00,0,0,2331.44,2143.8
-9,48022.64,49012.64,990.00,48312.64,0.00,0.00,990.00,0.00,0.00,700.00,0.00,0,103.915,2331.44,2247.715
-8,48016.64,49006.64,990.00,48306.64,0.00,0.00,990.00,0.00,0.00,700.00,0.00,0,0,2331.44,2247.715
-7,48011.84,49001.84,990.00,48301.84,0.00,0.00,990.00,0.00,0.00,700.00,0.00,0,0,2331.44,2247.715
-6,47989.04,48979.04,990.00,48279.04,0.00,0.00,990.00,0.00,0.00,700.00,0.00,0,0,2331.44,2247.715
-5,48154.64,49154.64,1000.00,48454.64,0.00,0.00,1000.00,0.00,0.00,700.00,0.00,20,200,2351.44,2447.715
-4,47195.60,48195.60,1000.00,47645.60,0.00,0.00,1000.00,0.00,0.00,550.00,0.00,863.04,0,3214.48,2447.715
-3,48096.40,49096.40,1000.00,48546.40,0.00,0.00,1000.00,0.00,0.00,550.00,0.00,0,0,3214.48,2447.715
-2,48032.80,49032.80,1000.00,48482.80,0.00,0.00,1000.00,0.00,0.00,550.00,0.00,0,0,3214.48,2447.715
-1,48064.00,49064.00,1000.00,48514.00,0.00,0.00,1000.00,0.00,0.00,550.00,0.00,0,0,3214.48,2447.715
0,47550.80,48550.80,1000.00,48000.80,0.00,0.00,1000.00,0.00,0.00,550.00,0.00,0,0,3214.48,2447.715
date_offset,net_worth,assets,liabilities,depositories,investments,loans,credits,properties,vehicles,other_assets,other_liabilities,spending,income,rolling_spend,rolling_income,savings_rate
-30,48278.57,49318.57,1040.00,48918.57,0.00,0.00,1040.00,0.00,0.00,400.00,0.00,0,0,0,0,0
-29,49298.96,50238.96,940.00,49838.96,0.00,0.00,940.00,0.00,0.00,400.00,0.00,15,1018.8,15,1018.8,0.9852767962
-28,49311.01,50251.01,940.00,49851.01,0.00,0.00,940.00,0.00,0.00,400.00,0.00,0,0,15,1018.8,0.9852767962
-27,49248.35,50188.35,940.00,49788.35,0.00,0.00,940.00,0.00,0.00,400.00,0.00,0,0,15,1018.8,0.9852767962
-26,49200.15,50140.15,940.00,49740.15,0.00,0.00,940.00,0.00,0.00,400.00,0.00,0,0,15,1018.8,0.9852767962
-25,48447.74,49387.74,940.00,48987.74,0.00,0.00,940.00,0.00,0.00,400.00,0.00,0,0,15,1018.8,0.9852767962
-24,48428.46,49368.46,940.00,48968.46,0.00,0.00,940.00,0.00,0.00,400.00,0.00,0,0,15,1018.8,0.9852767962
-23,48388.70,49328.70,940.00,48928.70,0.00,0.00,940.00,0.00,0.00,400.00,0.00,0,0,15,1018.8,0.9852767962
-22,49502.26,50442.26,940.00,50042.26,0.00,0.00,940.00,0.00,0.00,400.00,0.00,0,1075,15,2093.8,0.992835992
-21,49509.49,50449.49,940.00,50049.49,0.00,0.00,940.00,0.00,0.00,400.00,0.00,0,0,15,2093.8,0.992835992
-20,49520.33,50460.33,940.00,50060.33,0.00,0.00,940.00,0.00,0.00,400.00,0.00,0,0,15,2093.8,0.992835992
-19,49265.33,50205.33,940.00,49805.33,0.00,0.00,940.00,0.00,0.00,400.00,0.00,216.44,0,231.44,2093.8,0.8894641322
-18,47267.72,48207.72,940.00,47807.72,0.00,0.00,940.00,0.00,0.00,400.00,0.00,2000,0,2231.44,2093.8,-0.06573693763
-17,47260.55,48200.55,940.00,47800.55,0.00,0.00,940.00,0.00,0.00,400.00,0.00,0,0,2231.44,2093.8,-0.06573693763
-16,47249.80,48189.80,940.00,47789.80,0.00,0.00,940.00,0.00,0.00,400.00,0.00,0,0,2231.44,2093.8,-0.06573693763
-15,47175.14,48135.14,960.00,47735.14,0.00,0.00,960.00,0.00,0.00,400.00,0.00,40,0,2271.44,2093.8,-0.08484095902
-14,47172.75,48132.75,960.00,47732.75,0.00,0.00,960.00,0.00,0.00,400.00,0.00,0,0,2271.44,2093.8,-0.08484095902
-13,47166.78,48126.78,960.00,47726.78,0.00,0.00,960.00,0.00,0.00,400.00,0.00,0,0,2271.44,2093.8,-0.08484095902
-12,47854.20,48844.20,990.00,48144.20,0.00,0.00,990.00,0.00,0.00,700.00,0.00,60,50,2331.44,2143.8,-0.08752682153
-11,47830.30,48820.30,990.00,48120.30,0.00,0.00,990.00,0.00,0.00,700.00,0.00,0,0,2331.44,2143.8,-0.08752682153
-10,47906.78,48896.78,990.00,48196.78,0.00,0.00,990.00,0.00,0.00,700.00,0.00,0,0,2331.44,2143.8,-0.08752682153
-9,48022.64,49012.64,990.00,48312.64,0.00,0.00,990.00,0.00,0.00,700.00,0.00,0,103.915,2331.44,2247.715,-0.03724893948
-8,48016.64,49006.64,990.00,48306.64,0.00,0.00,990.00,0.00,0.00,700.00,0.00,0,0,2331.44,2247.715,-0.03724893948
-7,48011.84,49001.84,990.00,48301.84,0.00,0.00,990.00,0.00,0.00,700.00,0.00,0,0,2331.44,2247.715,-0.03724893948
-6,47989.04,48979.04,990.00,48279.04,0.00,0.00,990.00,0.00,0.00,700.00,0.00,0,0,2331.44,2247.715,-0.03724893948
-5,48154.64,49154.64,1000.00,48454.64,0.00,0.00,1000.00,0.00,0.00,700.00,0.00,20,200,2351.44,2447.715,0.03933260204
-4,47195.60,48195.60,1000.00,47645.60,0.00,0.00,1000.00,0.00,0.00,550.00,0.00,863.04,0,3214.48,2447.715,-0.3132574667
-3,48096.40,49096.40,1000.00,48546.40,0.00,0.00,1000.00,0.00,0.00,550.00,0.00,0,0,3214.48,2447.715,-0.3132574667
-2,48032.80,49032.80,1000.00,48482.80,0.00,0.00,1000.00,0.00,0.00,550.00,0.00,0,0,3214.48,2447.715,-0.3132574667
-1,48064.00,49064.00,1000.00,48514.00,0.00,0.00,1000.00,0.00,0.00,550.00,0.00,0,0,3214.48,2447.715,-0.3132574667
0,47550.80,48550.80,1000.00,48000.80,0.00,0.00,1000.00,0.00,0.00,550.00,0.00,0,0,3214.48,2447.715,-0.3132574667
1 date_offset net_worth assets liabilities depositories investments loans credits properties vehicles other_assets other_liabilities spending income rolling_spend rolling_income savings_rate
2 -30 48278.57 49318.57 1040.00 48918.57 0.00 0.00 1040.00 0.00 0.00 400.00 0.00 0 0 0 0 0
3 -29 49298.96 50238.96 940.00 49838.96 0.00 0.00 940.00 0.00 0.00 400.00 0.00 15 1018.8 15 1018.8 0.9852767962
4 -28 49311.01 50251.01 940.00 49851.01 0.00 0.00 940.00 0.00 0.00 400.00 0.00 0 0 15 1018.8 0.9852767962
5 -27 49248.35 50188.35 940.00 49788.35 0.00 0.00 940.00 0.00 0.00 400.00 0.00 0 0 15 1018.8 0.9852767962
6 -26 49200.15 50140.15 940.00 49740.15 0.00 0.00 940.00 0.00 0.00 400.00 0.00 0 0 15 1018.8 0.9852767962
7 -25 48447.74 49387.74 940.00 48987.74 0.00 0.00 940.00 0.00 0.00 400.00 0.00 0 0 15 1018.8 0.9852767962
8 -24 48428.46 49368.46 940.00 48968.46 0.00 0.00 940.00 0.00 0.00 400.00 0.00 0 0 15 1018.8 0.9852767962
9 -23 48388.70 49328.70 940.00 48928.70 0.00 0.00 940.00 0.00 0.00 400.00 0.00 0 0 15 1018.8 0.9852767962
10 -22 49502.26 50442.26 940.00 50042.26 0.00 0.00 940.00 0.00 0.00 400.00 0.00 0 1075 15 2093.8 0.992835992
11 -21 49509.49 50449.49 940.00 50049.49 0.00 0.00 940.00 0.00 0.00 400.00 0.00 0 0 15 2093.8 0.992835992
12 -20 49520.33 50460.33 940.00 50060.33 0.00 0.00 940.00 0.00 0.00 400.00 0.00 0 0 15 2093.8 0.992835992
13 -19 49265.33 50205.33 940.00 49805.33 0.00 0.00 940.00 0.00 0.00 400.00 0.00 216.44 0 231.44 2093.8 0.8894641322
14 -18 47267.72 48207.72 940.00 47807.72 0.00 0.00 940.00 0.00 0.00 400.00 0.00 2000 0 2231.44 2093.8 -0.06573693763
15 -17 47260.55 48200.55 940.00 47800.55 0.00 0.00 940.00 0.00 0.00 400.00 0.00 0 0 2231.44 2093.8 -0.06573693763
16 -16 47249.80 48189.80 940.00 47789.80 0.00 0.00 940.00 0.00 0.00 400.00 0.00 0 0 2231.44 2093.8 -0.06573693763
17 -15 47175.14 48135.14 960.00 47735.14 0.00 0.00 960.00 0.00 0.00 400.00 0.00 40 0 2271.44 2093.8 -0.08484095902
18 -14 47172.75 48132.75 960.00 47732.75 0.00 0.00 960.00 0.00 0.00 400.00 0.00 0 0 2271.44 2093.8 -0.08484095902
19 -13 47166.78 48126.78 960.00 47726.78 0.00 0.00 960.00 0.00 0.00 400.00 0.00 0 0 2271.44 2093.8 -0.08484095902
20 -12 47854.20 48844.20 990.00 48144.20 0.00 0.00 990.00 0.00 0.00 700.00 0.00 60 50 2331.44 2143.8 -0.08752682153
21 -11 47830.30 48820.30 990.00 48120.30 0.00 0.00 990.00 0.00 0.00 700.00 0.00 0 0 2331.44 2143.8 -0.08752682153
22 -10 47906.78 48896.78 990.00 48196.78 0.00 0.00 990.00 0.00 0.00 700.00 0.00 0 0 2331.44 2143.8 -0.08752682153
23 -9 48022.64 49012.64 990.00 48312.64 0.00 0.00 990.00 0.00 0.00 700.00 0.00 0 103.915 2331.44 2247.715 -0.03724893948
24 -8 48016.64 49006.64 990.00 48306.64 0.00 0.00 990.00 0.00 0.00 700.00 0.00 0 0 2331.44 2247.715 -0.03724893948
25 -7 48011.84 49001.84 990.00 48301.84 0.00 0.00 990.00 0.00 0.00 700.00 0.00 0 0 2331.44 2247.715 -0.03724893948
26 -6 47989.04 48979.04 990.00 48279.04 0.00 0.00 990.00 0.00 0.00 700.00 0.00 0 0 2331.44 2247.715 -0.03724893948
27 -5 48154.64 49154.64 1000.00 48454.64 0.00 0.00 1000.00 0.00 0.00 700.00 0.00 20 200 2351.44 2447.715 0.03933260204
28 -4 47195.60 48195.60 1000.00 47645.60 0.00 0.00 1000.00 0.00 0.00 550.00 0.00 863.04 0 3214.48 2447.715 -0.3132574667
29 -3 48096.40 49096.40 1000.00 48546.40 0.00 0.00 1000.00 0.00 0.00 550.00 0.00 0 0 3214.48 2447.715 -0.3132574667
30 -2 48032.80 49032.80 1000.00 48482.80 0.00 0.00 1000.00 0.00 0.00 550.00 0.00 0 0 3214.48 2447.715 -0.3132574667
31 -1 48064.00 49064.00 1000.00 48514.00 0.00 0.00 1000.00 0.00 0.00 550.00 0.00 0 0 3214.48 2447.715 -0.3132574667
32 0 47550.80 48550.80 1000.00 48000.80 0.00 0.00 1000.00 0.00 0.00 550.00 0.00 0 0 3214.48 2447.715 -0.3132574667

7
test/models/family_test.rb
View file

@ -18,7 +18,8 @@ class FamilyTest < ActiveSupport::TestCase
"assets" => row["assets"],
"liabilities" => row["liabilities"],
"rolling_spend" => row["rolling_spend"],
"rolling_income" => row["rolling_income"]
"rolling_income" => row["rolling_income"],
"savings_rate" => row["savings_rate"]
}
end
end
@ -88,16 +89,20 @@ class FamilyTest < ActiveSupport::TestCase
test "should calculate transaction snapshot correctly" do
spending_series = @family.snapshot_transactions[:spending_series]
income_series = @family.snapshot_transactions[:income_series]
savings_rate_series = @family.snapshot_transactions[:savings_rate_series]
assert_equal @expected_snapshots.count, spending_series.values.count
assert_equal @expected_snapshots.count, income_series.values.count
assert_equal @expected_snapshots.count, savings_rate_series.values.count
@expected_snapshots.each_with_index do |row, index|
expected_spending = TimeSeries::Value.new(date: row["date"], value: Money.new(row["rolling_spend"].to_d))
expected_income = TimeSeries::Value.new(date: row["date"], value: Money.new(row["rolling_income"].to_d))
expected_savings_rate = TimeSeries::Value.new(date: row["date"], value: Money.new(row["savings_rate"].to_d))
assert_in_delta expected_spending.value.amount, Money.new(spending_series.values[index].value).amount, 0.01
assert_in_delta expected_income.value.amount, Money.new(income_series.values[index].value).amount, 0.01
assert_in_delta expected_savings_rate.value.amount, savings_rate_series.values[index].value, 0.01
end
end