app/models/stats/actions.rb
module Stats
class Actions
SECONDS_PER_DAY = 86_400
attr_reader :user
def initialize(user)
@user = user
@today = Time.zone.now.utc.beginning_of_day
@cut_off_year = 12.months.ago.beginning_of_day
@cut_off_year_plus3 = 15.months.ago.beginning_of_day
@cut_off_month = 1.month.ago.beginning_of_day
@cut_off_30days = 30.days.ago.beginning_of_day
end
def ttc
@ttc ||= TimeToComplete.new(completed)
end
def done_last30days
@done_last30days ||= done_since(one_month)
end
def done_last12months
@done_last12months ||= done_since(one_year)
end
def created_last30days
@sum_actions_created_last30days ||= new_since(one_month)
end
def created_last12months
@sum_actions_created_last12months ||= new_since(one_year)
end
def done_last12months_data
# get actions created and completed in the past 12+3 months. +3 for running
# - outermost set of entries needed for these calculations
actions_last12months = @user.todos.created_or_completed_after(@cut_off_year_plus3).select("completed_at,created_at")
# convert to array and fill in non-existing months
@actions_done_last12months_array = put_events_into_month_buckets(actions_last12months, 13, :completed_at)
@actions_created_last12months_array = put_events_into_month_buckets(actions_last12months, 13, :created_at)
# find max for graph in both arrays
@max = (@actions_done_last12months_array + @actions_created_last12months_array).max
# find running avg
done_in_last_15_months = put_events_into_month_buckets(actions_last12months, 16, :completed_at)
created_in_last_15_months = put_events_into_month_buckets(actions_last12months, 16, :created_at)
@actions_done_avg_last12months_array = compute_running_avg_array(done_in_last_15_months, 13)
@actions_created_avg_last12months_array = compute_running_avg_array(created_in_last_15_months, 13)
# interpolate avg for current month.
# FIXME: These should also be used.
@interpolated_actions_created_this_month = interpolate_avg_for_current_month(@actions_created_last12months_array)
@interpolated_actions_done_this_month = interpolate_avg_for_current_month(@actions_done_last12months_array)
@created_count_array = Array.new(13, actions_last12months.created_after(@cut_off_year).count(:all) / 12.0)
@done_count_array = Array.new(13, actions_last12months.completed_after(@cut_off_year).count(:all) / 12.0)
return {
datasets: [
{ label: I18n.t('stats.labels.avg_created'), data: @created_count_array, type: "line" },
{ label: I18n.t('stats.labels.avg_completed'), data: @done_count_array, type: "line" },
{ label: I18n.t('stats.labels.month_avg_completed', :months => 3), data: @actions_done_avg_last12months_array, type: "line" },
{ label: I18n.t('stats.labels.month_avg_created', :months => 3), data: @actions_created_avg_last12months_array, type: "line" },
{ label: I18n.t('stats.labels.created'), data: @actions_created_last12months_array },
{ label: I18n.t('stats.labels.completed'), data: @actions_done_last12months_array },
],
labels: array_of_month_labels(@done_count_array.size),
}
end
def done_last30days_data
# get actions created and completed in the past 30 days.
@actions_done_last30days = @user.todos.completed_after(@cut_off_30days).select("completed_at")
@actions_created_last30days = @user.todos.created_after(@cut_off_30days).select("created_at")
# convert to array. 30+1 to have 30 complete days and one current day [0]
@actions_done_last30days_array = convert_to_days_from_today_array(@actions_done_last30days, 31, :completed_at)
@actions_created_last30days_array = convert_to_days_from_today_array(@actions_created_last30days, 31, :created_at)
# find max for graph in both hashes
@max = [@actions_done_last30days_array.max, @actions_created_last30days_array.max].max
created_count_array = Array.new(30) { |i| @actions_created_last30days.size / 30.0 }
done_count_array = Array.new(30) { |i| @actions_done_last30days.size / 30.0 }
# TODO: make the strftime i18n proof
time_labels = Array.new(30) { |i| I18n.l(Time.zone.now - i.days, :format => :stats) }
return {
datasets: [
{ label: I18n.t('stats.labels.avg_created'), data: created_count_array, type: "line" },
{ label: I18n.t('stats.labels.avg_completed'), data: done_count_array, type: "line" },
{ label: I18n.t('stats.labels.created'), data: @actions_created_last30days_array },
{ label: I18n.t('stats.labels.completed'), data: @actions_done_last30days_array },
],
labels: time_labels,
}
end
def completion_time_data
@actions_completion_time = @user.todos.completed.select("completed_at, created_at").reorder("completed_at DESC")
# convert to array and fill in non-existing weeks with 0
@max_weeks = @actions_completion_time.last ? difference_in_weeks(@today, @actions_completion_time.last.completed_at) : 1
@actions_completed_per_week_array = convert_to_weeks_running_array(@actions_completion_time, @max_weeks + 1)
# stop the chart after 10 weeks
@count = [10, @max_weeks].min
# convert to new array to hold max @cut_off elems + 1 for sum of actions after @cut_off
@actions_completion_time_array = cut_off_array_with_sum(@actions_completed_per_week_array, @count)
@max_actions = @actions_completion_time_array.max
# get percentage done cumulative
@cum_percent_done = convert_to_cumulative_array(@actions_completion_time_array, @actions_completion_time.count(:all))
time_labels = Array.new(@count) { |i| "#{i}-#{i + 1}" }
time_labels[0] = I18n.t('stats.within_one')
time_labels[@count] = "> #{@count}"
return {
datasets: [
{ label: I18n.t('stats.legend.percentage'), data: @cum_percent_done, type: "line" },
{ label: I18n.t('stats.legend.actions'), data: @actions_completion_time_array },
],
labels: time_labels,
}
end
def running_time_data
@actions_running_time = @user.todos.not_completed.select("created_at").reorder("created_at DESC")
# convert to array and fill in non-existing weeks with 0
@max_weeks = difference_in_weeks(@today, @actions_running_time.last.created_at)
@actions_running_per_week_array = convert_to_weeks_from_today_array(@actions_running_time, @max_weeks + 1, :created_at)
# cut off chart at 52 weeks = one year
@count = [52, @max_weeks].min
# convert to new array to hold max @cut_off elems + 1 for sum of actions after @cut_off
@actions_running_time_array = cut_off_array_with_sum(@actions_running_per_week_array, @count)
@max_actions = @actions_running_time_array.max
# get percentage done cumulative
@cum_percent_done = convert_to_cumulative_array(@actions_running_time_array, @actions_running_time.count)
time_labels = Array.new(@count) { |i| "#{i}-#{i + 1}" }
time_labels[0] = "< 1"
time_labels[@count] = "> #{@count}"
return {
datasets: [
{ label: I18n.t('stats.running_time_all_legend.percentage'), data: @cum_percent_done, type: "line" },
{ label: I18n.t('stats.running_time_all_legend.actions'), data: @actions_running_time_array },
],
labels: time_labels,
}
end
def visible_running_time_data
# running means
# - not completed (completed_at must be null)
# visible means
# - actions not part of a hidden project
# - actions not part of a hidden context
# - actions not deferred (show_from must be null)
# - actions not pending/blocked
@actions_running_time = @user.todos.not_completed.not_hidden.not_deferred_or_blocked
.select("todos.created_at")
.reorder("todos.created_at DESC")
@max_weeks = difference_in_weeks(@today, @actions_running_time.last.created_at)
@actions_running_per_week_array = convert_to_weeks_from_today_array(@actions_running_time, @max_weeks + 1, :created_at)
# cut off chart at 52 weeks = one year
@count = [52, @max_weeks].min
# convert to new array to hold max @cut_off elems + 1 for sum of actions after @cut_off
@actions_running_time_array = cut_off_array_with_sum(@actions_running_per_week_array, @count)
@max_actions = @actions_running_time_array.max
# get percentage done cumulative
@cum_percent_done = convert_to_cumulative_array(@actions_running_time_array, @actions_running_time.count)
time_labels = Array.new(@count) { |i| "#{i}-#{i + 1}" }
time_labels[0] = "< 1"
time_labels[@count] = "> #{@count}"
return {
datasets: [
{ label: I18n.t('stats.running_time_legend.percentage'), data: @cum_percent_done, type: "line" },
{ label: I18n.t('stats.running_time_legend.actions'), data: @actions_running_time_array },
],
labels: time_labels,
}
end
def open_per_week_data
@actions_started = @user.todos.created_after(@today - 53.weeks)
.select("todos.created_at, todos.completed_at")
.reorder("todos.created_at DESC")
@max_weeks = difference_in_weeks(@today, @actions_started.last.created_at)
# cut off chart at 52 weeks = one year
@count = [52, @max_weeks].min
@actions_open_per_week_array = convert_to_weeks_running_from_today_array(@actions_started, @max_weeks + 1)
@actions_open_per_week_array = cut_off_array(@actions_open_per_week_array, @count)
time_labels = Array.new(@count + 1) { |i| "#{i}-#{i + 1}" }
time_labels[0] = "< 1"
return {
datasets: [
{ label: I18n.t('stats.open_per_week_legend.actions'), data: @actions_open_per_week_array },
],
labels: time_labels,
}
end
def day_of_week_all_data
@actions_creation_day = @user.todos.select("created_at")
@actions_completion_day = @user.todos.completed.select("completed_at")
# convert to array and fill in non-existing days
@actions_creation_day_array = Array.new(7) { |i| 0 }
@actions_creation_day.each { |t| @actions_creation_day_array[t.created_at.wday] += 1 }
@max = @actions_creation_day_array.max
# convert to array and fill in non-existing days
@actions_completion_day_array = Array.new(7) { |i| 0 }
@actions_completion_day.each { |t| @actions_completion_day_array[t.completed_at.wday] += 1 }
return {
datasets: [
{ label: I18n.t('stats.labels.created'), data: @actions_creation_day_array },
{ label: I18n.t('stats.labels.completed'), data: @actions_completion_day_array },
],
labels: I18n.t('date.day_names'),
}
end
def day_of_week_30days_data
@actions_creation_day = @user.todos.created_after(@cut_off_month).select("created_at")
@actions_completion_day = @user.todos.completed_after(@cut_off_month).select("completed_at")
# convert to hash to be able to fill in non-existing days
@max = 0
@actions_creation_day_array = Array.new(7) { |i| 0 }
@actions_creation_day.each { |r| @actions_creation_day_array[r.created_at.wday] += 1 }
# convert to hash to be able to fill in non-existing days
@actions_completion_day_array = Array.new(7) { |i| 0 }
@actions_completion_day.each { |r| @actions_completion_day_array[r.completed_at.wday] += 1 }
return {
datasets: [
{ label: I18n.t('stats.labels.created'), data: @actions_creation_day_array },
{ label: I18n.t('stats.labels.completed'), data: @actions_completion_day_array },
],
labels: I18n.t('date.day_names'),
}
end
def time_of_day_all_data
@actions_creation_hour = @user.todos.select("created_at")
@actions_completion_hour = @user.todos.completed.select("completed_at")
# convert to hash to be able to fill in non-existing days
@actions_creation_hour_array = Array.new(24) { |i| 0 }
@actions_creation_hour.each { |r| @actions_creation_hour_array[r.created_at.hour] += 1 }
# convert to hash to be able to fill in non-existing days
@actions_completion_hour_array = Array.new(24) { |i| 0 }
@actions_completion_hour.each { |r| @actions_completion_hour_array[r.completed_at.hour] += 1 }
return {
datasets: [
{ label: I18n.t('stats.labels.created'), data: @actions_creation_hour_array },
{ label: I18n.t('stats.labels.completed'), data: @actions_completion_hour_array },
],
labels: @actions_creation_hour_array.each_with_index.map { |total, hour| [hour] },
}
end
def time_of_day_30days_data
@actions_creation_hour = @user.todos.created_after(@cut_off_month).select("created_at")
@actions_completion_hour = @user.todos.completed_after(@cut_off_month).select("completed_at")
# convert to hash to be able to fill in non-existing days
@actions_creation_hour_array = Array.new(24) { |i| 0 }
@actions_creation_hour.each { |r| @actions_creation_hour_array[r.created_at.hour] += 1 }
# convert to hash to be able to fill in non-existing days
@actions_completion_hour_array = Array.new(24) { |i| 0 }
@actions_completion_hour.each { |r| @actions_completion_hour_array[r.completed_at.hour] += 1 }
return {
datasets: [
{ label: I18n.t('stats.labels.created'), data: @actions_creation_hour_array },
{ label: I18n.t('stats.labels.completed'), data: @actions_completion_hour_array },
],
labels: @actions_creation_hour_array.each_with_index.map { |total, hour| [hour] },
}
end
private
def one_year
@one_year ||= 12.months.ago.beginning_of_day
end
def one_month
@one_month ||= 1.month.ago.beginning_of_day
end
def new_since(cutoff)
user.todos.created_after(cutoff).count
end
def done_since(cutoff)
user.todos.completed.completed_after(cutoff).count
end
def completed
@completed ||= user.todos.completed.select("completed_at, created_at")
end
def interpolate_avg_for_current_month(set)
(set[0] * (1 / percent_of_month) + set[1] + set[2]) / 3.0
end
def percent_of_month
Time.zone.now.day / Time.zone.now.end_of_month.day.to_f
end
# uses the supplied block to determine array of indexes in hash
# the block should return an array of indexes each is added to the hash and summed
def convert_to_array(records, upper_bound)
a = Array.new(upper_bound, 0)
records.each { |r| (yield r).each { |i| a[i] += 1 if a[i] } }
a
end
def put_events_into_month_buckets(records, array_size, date_method_on_todo)
convert_to_array(records.select { |x| x.send(date_method_on_todo) }, array_size) { |r| [difference_in_months(@today, r.send(date_method_on_todo))] }
end
def convert_to_days_from_today_array(records, array_size, date_method_on_todo)
return convert_to_array(records, array_size) { |r| [difference_in_days(@today, r.send(date_method_on_todo))] }
end
def convert_to_weeks_from_today_array(records, array_size, date_method_on_todo)
return convert_to_array(records, array_size) { |r| [difference_in_weeks(@today, r.send(date_method_on_todo))] }
end
def convert_to_weeks_running_array(records, array_size)
return convert_to_array(records, array_size) { |r| [difference_in_weeks(r.completed_at, r.created_at)] }
end
def convert_to_weeks_running_from_today_array(records, array_size)
return convert_to_array(records, array_size) { |r| week_indexes_of(r) }
end
def week_indexes_of(record)
a = []
start_week = difference_in_weeks(@today, record.created_at)
end_week = record.completed_at ? difference_in_weeks(@today, record.completed_at) : 0
end_week.upto(start_week) { |i| a << i }
return a
end
def cut_off_array_with_sum(array, cut_off)
# +1 to hold sum of rest
a = Array.new(cut_off + 1) { |i| array[i] || 0 }
# add rest of array to last elem
a[cut_off] += array.inject(:+) - a.inject(:+)
return a
end
def cut_off_array(array, cut_off)
return Array.new(cut_off) { |i| array[i] || 0 }
end
def convert_to_cumulative_array(array, max)
# calculate fractions
a = Array.new(array.size) { |i| array[i] * 100.0 / max }
# make cumulative
1.upto(array.size - 1) { |i| a[i] += a[i - 1] }
return a
end
def difference_in_months(date1, date2)
return (date1.utc.year - date2.utc.year) * 12 + (date1.utc.month - date2.utc.month)
end
# assumes date1 > date2
def difference_in_days(date1, date2)
return ((date1.utc.at_midnight - date2.utc.at_midnight) / SECONDS_PER_DAY).to_i
end
# assumes date1 > date2
def difference_in_weeks(date1, date2)
return difference_in_days(date1, date2) / 7
end
def three_month_avg(set, i)
(set.fetch(i) { 0 } + set.fetch(i + 1) { 0 } + set.fetch(i + 2) { 0 }) / 3.0
end
def set_three_month_avg(set, upper_bound)
(0..upper_bound - 1).map { |i| three_month_avg(set, i) }
end
def compute_running_avg_array(set, upper_bound)
result = set_three_month_avg(set, upper_bound)
result[upper_bound - 1] = result[upper_bound - 1] * 3 if upper_bound == set.length
result[upper_bound - 2] = result[upper_bound - 2] * 3 / 2 if upper_bound > 1 && upper_bound == set.length
result[0] = "null"
result
end # unsolved, not triggered, edge case for set.length == upper_bound + 1
def month_label(i)
I18n.t('date.month_names')[(Time.zone.now.mon - i - 1) % 12 + 1]
end
def array_of_month_labels(count)
Array.new(count) { |i| month_label(i) }
end
end
end