midgard/tab
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity

Improve rounding of debtchart

Browse source
This commit is contained in:
redfast00 2019-06-19 15:45:07 +02:00
parent 7c1aec2792
commit 5fade8423d
No known key found for this signature in database
GPG key ID: 5946E0E34FD0553C
1 changed files with 20 additions and 4 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

24
app/controllers/concerns/statistics.rb
View file

@ -10,16 +10,32 @@ class Statistics < Rails::Application
end
def shamehash
# Make a hash of all users and their debt
# only include them if their percentage is big enough
debt_users = shameful_users.inject({}) do |h, u|
h.merge({u.name => - u.balance.to_f / total_debt * 100.0})
end
.select { |key, value| value > 2 }
.transform_values! { |value| value.floor }
.select { |user, debtpct| debtpct > 2 }
total_displayed_debt_pct = debt_users.values.inject(0) {|a,b| a+b}
# Sum of percentages that will be displayed
total_displayed_debt_pct = debt_users.values.reduce(0) {|a,b| a+b}
debt_users["Other users"] = 100 - total_displayed_debt_pct
debt_users
rounded_debts = debt_users.transform_values { |debtpct| debtpct.floor }
rounded_deficit = 100 - rounded_debts.values.reduce(0) {|a,b| a+b}
# Sort decending by amount after fraction of debt percentage
# then award users percentage points based on their ranking
debt_users.sort_by { |k, v| -(v - v.floor) }
.first(rounded_deficit)
.each do |k|
rounded_debts[k[0]] += 1
end
if rounded_debts["Other users"] == 0
rounded_debts.delete("Other users")
end
return rounded_debts
end
def by_issuer