demarches-normaliennes/app/controllers/stats_controller.rb

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class StatsController < ApplicationController
before_action :authenticate_super_admin!, only: [:download]
MEAN_NUMBER_OF_CHAMPS_IN_A_FORM = 24.0
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def index
stat = Stat.first
procedures = Procedure.publiees_ou_closes
@procedures_numbers = procedures_numbers(procedures)
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@dossiers_numbers = dossiers_numbers(
stat.dossiers_not_brouillon,
stat.dossiers_depose_avant_30_jours,
stat.dossiers_deposes_entre_60_et_30_jours
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)
@dossiers_states_for_pie = {
"Brouillon" => stat.dossiers_brouillon,
"En construction" => stat.dossiers_en_construction,
"En instruction" => stat.dossiers_en_instruction,
"Terminé" => stat.dossiers_termines
}
@procedures_cumulative = cumulative_month_serie(procedures, :published_at)
@procedures_in_the_last_4_months = last_four_months_serie(procedures, :published_at)
@dossiers_cumulative = stat.dossiers_cumulative
@dossiers_in_the_last_4_months = format_keys_as_months(stat.dossiers_in_the_last_4_months)
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end
def download
headers = [
'ID du dossier',
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'ID de la démarche',
'Nom de la démarche',
'ID utilisateur',
'Etat du fichier',
'Durée en brouillon',
'Durée en construction',
'Durée en instruction'
]
data = Dossier
.includes(:procedure, :user)
.in_batches
.flat_map do |dossiers|
dossiers
.pluck(
"dossiers.id",
"procedures.id",
"procedures.libelle",
"users.id",
"dossiers.state",
Arel.sql("dossiers.depose_at - dossiers.created_at"),
Arel.sql("dossiers.en_instruction_at - dossiers.depose_at"),
Arel.sql("dossiers.processed_at - dossiers.en_instruction_at")
)
end
respond_to do |format|
format.csv { send_data(SpreadsheetArchitect.to_xlsx(headers: headers, data: data), filename: "statistiques.csv") }
end
end
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private
def procedures_numbers(procedures)
total = procedures.count
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last_30_days_count = procedures.where(published_at: 1.month.ago..Time.zone.now).count
previous_count = procedures.where(published_at: 2.months.ago..1.month.ago).count
if previous_count != 0
evolution = (((last_30_days_count.to_f / previous_count) - 1) * 100).round(0)
else
evolution = 0
end
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formatted_evolution = format("%+d", evolution)
{
total: total.to_s,
last_30_days_count: last_30_days_count.to_s,
evolution: formatted_evolution
}
end
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def dossiers_numbers(total, last_30_days_count, previous_count)
if previous_count != 0
evolution = (((last_30_days_count.to_f / previous_count) - 1) * 100).round(0)
else
evolution = 0
end
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formatted_evolution = format("%+d", evolution)
{
total: total.to_s,
last_30_days_count: last_30_days_count.to_s,
evolution: formatted_evolution
}
end
def max_date
if super_admin_signed_in?
Time.zone.now
else
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Time.zone.now.beginning_of_month - 1.second
end
end
def format_keys_as_months(series)
series.transform_keys do |k|
date = k.is_a?(Date) ? k : (Date.parse(k) rescue k)
l(date, format: "%B %Y")
end
end
def last_four_months_serie(association, date_attribute)
series = association
.group_by_month(date_attribute, last: 4, current: super_admin_signed_in?)
.count
format_keys_as_months(series)
end
def cumulative_month_serie(association, date_attribute)
sum = 0
association
.group_by_month(date_attribute, current: super_admin_signed_in?)
.count
.transform_values { |count| sum += count }
end
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end