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tracks/tracks/app/controllers/stats_controller.rb
lrbalt 6ff79354df fixes #612 I hope. Changes all GROUP BY clauses in custom SQL. 
git-svn-id: http://www.rousette.org.uk/svn/tracks-repos/trunk@679 a4c988fc-2ded-0310-b66e-134b36920a42
2007-12-08 21:05:24 +00:00

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class StatsController < ApplicationController
append_before_filter :init, :exclude => []
def index
@page_title = 'TRACKS::Statistics'
@unique_tags = @tags.count(:all, {:group=>"tag_id"})
@hidden_contexts = @contexts.find(:all, {:conditions => ["hide = ? ", true]})
@first_action = @actions.find(:first, :order => "created_at ASC")
# default chart dimensions
@chart_width=460
@chart_height=250
@pie_width=@chart_width
@pie_height=325
get_stats_actions
get_stats_contexts
get_stats_projects
get_stats_tags
render :layout => 'standard'
end
def actions_done_last12months_data
@actions = @user.todos
# get actions created and completed in the past 12+3 months. +3 for running
# average
@actions_done_last12months = @actions.find(:all, {
:select => "completed_at",
:conditions => ["completed_at > ? AND NOT completed_at is null", @cut_off_year_plus3]
})
@actions_created_last12months = @actions.find(:all, {
:select => "created_at",
:conditions => ["created_at > ?", @cut_off_year_plus3]
})
# convert to hash to be able to fill in non-existing days in
# @actions_done_last12months and count the total actions done in the past 12
# months to be able to calculate percentage
# use 0 to initialise action count to zero
@actions_done_last12months_hash = Hash.new(0)
@actions_done_last12months.each do |r|
months = (@today.year - r.completed_at.year)*12 + (@today.month - r.completed_at.month)
@actions_done_last12months_hash[months] += 1
end
# convert to hash to be able to fill in non-existing days in
# @actions_created_last12months and count the total actions done in the past
# 12 months to be able to calculate percentage
# use 0 to initialise action count to zero
@actions_created_last12months_hash = Hash.new(0)
@actions_created_last12months.each do |r|
months = (@today.year - r.created_at.year)*12 + (@today.month - r.created_at.month)
@actions_created_last12months_hash[months] += 1
end
@sum_actions_done_last12months=0
@sum_actions_created_last12months=0
# find max for graph in both hashes
@max=0
0.upto 13 do |i|
@sum_actions_done_last12months += @actions_done_last12months_hash[i]
@max = @actions_done_last12months_hash[i] if @actions_done_last12months_hash[i] > @max
end
0.upto 13 do |i|
@sum_actions_created_last12months += @actions_created_last12months_hash[i]
@max = @actions_created_last12months_hash[i] if @actions_created_last12months_hash[i] > @max
end
# find running avg for month i by calculating avg of month i and the two
# after them. Ignore current month because you do not have full data for it
@actions_done_avg_last12months_hash = Hash.new("null")
1.upto(12) { |i|
@actions_done_avg_last12months_hash[i] = (@actions_done_last12months_hash[i] +
@actions_done_last12months_hash[i+1] +
@actions_done_last12months_hash[i+2])/3.0
}
# find running avg for month i by calculating avg of month i and the two
# after them. Ignore current month because you do not have full data for it
@actions_created_avg_last12months_hash = Hash.new("null")
1.upto(12) { |i|
@actions_created_avg_last12months_hash[i] = (@actions_created_last12months_hash[i] +
@actions_created_last12months_hash[i+1] +
@actions_created_last12months_hash[i+2])/3.0
}
# interpolate avg for this month. Assume 31 days in this month
days_passed_this_month = Time.new.day/1.0
@interpolated_actions_created_this_month = (
@actions_created_last12months_hash[0]/days_passed_this_month*31.0+
@actions_created_last12months_hash[1]+
@actions_created_last12months_hash[2]) / 3.0
@interpolated_actions_done_this_month = (
@actions_done_last12months_hash[0]/days_passed_this_month*31.0 +
@actions_done_last12months_hash[1]+
@actions_done_last12months_hash[2]) / 3.0
render :layout => false
end
def actions_done_last30days_data
# get actions created and completed in the past 30 days.
@actions_done_last30days = @actions.find(:all, {
:select => "completed_at",
:conditions => ["completed_at > ? AND NOT completed_at IS NULL", @cut_off_month]
})
@actions_created_last30days = @actions.find(:all, {
:select => "created_at",
:conditions => ["created_at > ?", @cut_off_month]
})
# convert to hash to be able to fill in non-existing days in
# @actions_done_last30days and count the total actions done in the past 30
# days to be able to calculate percentage
@sum_actions_done_last30days=0
# use 0 to initialise action count to zero
@actions_done_last30days_hash = Hash.new(0)
@actions_done_last30days.each do |r|
# only use date part of completed_at
action_date = Time.utc(r.completed_at.year, r.completed_at.month, r.completed_at.day, 0,0)
days = ((@today - action_date) / @seconds_per_day).to_i
@actions_done_last30days_hash[days] += 1
@sum_actions_done_last30days+=1
end
# convert to hash to be able to fill in non-existing days in
# @actions_done_last30days and count the total actions done in the past 30
# days to be able to calculate percentage
@sum_actions_created_last30days=0
# use 0 to initialise action count to zero
@actions_created_last30days_hash = Hash.new(0)
@actions_created_last30days.each do |r|
# only use date part of created_at
action_date = Time.utc(r.created_at.year, r.created_at.month, r.created_at.day, 0,0)
days = ((@today - action_date) / @seconds_per_day).to_i
@actions_created_last30days_hash[days] += 1
@sum_actions_created_last30days += 1
end
# find max for graph in both hashes
@max=0
0.upto(30) { |i| @max = @actions_done_last30days_hash[i] if @actions_done_last30days_hash[i] > @max }
0.upto(30) { |i| @max = @actions_created_last30days_hash[i] if @actions_created_last30days_hash[i] > @max }
render :layout => false
end
def actions_completion_time_data
@actions_completion_time = @actions.find(:all, {
:select => "completed_at, created_at",
:conditions => "not completed_at is null"
})
# convert to hash to be able to fill in non-existing days in
# @actions_completion_time also convert days to weeks (/7)
@max_days, @max_actions, @sum_actions=0,0,0
@actions_completion_time_hash = Hash.new(0)
@actions_completion_time.each do |r|
days = (r.completed_at - r.created_at) / @seconds_per_day
weeks = (days/7).to_i
@actions_completion_time_hash[weeks] += 1
@max_days=days if days > @max_days
@max_actions = @actions_completion_time_hash[weeks] if @actions_completion_time_hash[weeks] > @max_actions
@sum_actions += 1
end
# stop the chart after 10 weeks
@cut_off = 10
render :layout => false
end
def actions_running_time_data
@actions_running_time = @actions.find(:all, {
:select => "created_at",
:conditions => "completed_at is null"
})
# convert to hash to be able to fill in non-existing days in
# @actions_running_time also convert days to weeks (/7)
@max_days, @max_actions, @sum_actions=0,0,0
@actions_running_time_hash = Hash.new(0)
@actions_running_time.each do |r|
days = (@today - r.created_at) / @seconds_per_day
weeks = (days/7).to_i
@actions_running_time_hash[weeks] += 1
@max_days=days if days > @max_days
@max_actions = @actions_running_time_hash[weeks] if @actions_running_time_hash[weeks] > @max_actions
@sum_actions += 1
end
# cut off chart at 52 weeks = one year
@cut_off=52
render :layout => false
end
def actions_visible_running_time_data
@actions_running_time = @actions.find_by_sql([
"SELECT t.created_at "+
"FROM todos t LEFT OUTER JOIN projects p ON t.project_id = p.id LEFT OUTER JOIN contexts c ON t.context_id = c.id "+
"WHERE t.user_id=? "+
"AND t.completed_at is null " +
"AND NOT (p.state='hidden' OR c.hide=?) " +
"ORDER BY t.created_at ASC", @user.id, true]
)
# convert to hash to be able to fill in non-existing days in
# @actions_running_time also convert days to weeks (/7)
@max_days, @max_actions, @sum_actions=0,0,0
@actions_running_time_hash = Hash.new(0)
@actions_running_time.each do |r|
days = (@today - r.created_at) / @seconds_per_day
weeks = (days/7).to_i
# RAILS_DEFAULT_LOGGER.error("\n" + total.to_s + " - " + days + "\n")
@actions_running_time_hash[weeks] += 1
@max_days=days if days > @max_days
@max_actions = @actions_running_time_hash[weeks] if @actions_running_time_hash[weeks] > @max_actions
@sum_actions += 1
end
# cut off chart at 52 weeks = one year
@cut_off=52
render :layout => false
end
def context_total_actions_data
# get total action count per context
# Went from GROUP BY c.id to c.name for compatibility with postgresql. Since
# the name is forced to be unique, this should work.
@all_actions_per_context = @contexts.find_by_sql(
"SELECT c.name AS name, count(*) AS total "+
"FROM contexts c, todos t "+
"WHERE t.context_id=c.id "+
"AND t.user_id="+@user.id.to_s+" "+
"GROUP BY c.name "+
"ORDER BY total DESC"
)
pie_cutoff=10
size = @all_actions_per_context.size()
size = pie_cutoff if size > pie_cutoff
@actions_per_context = Array.new(size)
0.upto size-1 do |i|
@actions_per_context[i] = @all_actions_per_context[i]
end
if size==pie_cutoff
@actions_per_context[size-1]['name']='(others)'
@actions_per_context[size-1]['total']=0
(size-1).upto @all_actions_per_context.size()-1 do |i|
@actions_per_context[size-1]['total']+=@all_actions_per_context[i]['total'].to_i
end
end
@sum=0
0.upto @all_actions_per_context.size()-1 do |i|
@sum += @all_actions_per_context[i]['total'].to_i
end
@truncate_chars = 15
render :layout => false
end
def context_running_actions_data
# get uncompleted action count per visible context
#
# Went from GROUP BY c.id to c.name for compatibility with postgresql. Since
# the name is forced to be unique, this should work.
@all_actions_per_context = @contexts.find_by_sql(
"SELECT c.name AS name, count(*) AS total "+
"FROM contexts c, todos t "+
"WHERE t.context_id=c.id AND t.completed_at IS NULL AND NOT c.hide "+
"AND t.user_id="+@user.id.to_s+" "+
"GROUP BY c.name "+
"ORDER BY total DESC"
)
pie_cutoff=10
size = @all_actions_per_context.size()
size = pie_cutoff if size > pie_cutoff
@actions_per_context = Array.new(size)
0.upto size-1 do |i|
@actions_per_context[i] = @all_actions_per_context[i]
end
if size==pie_cutoff
@actions_per_context[size-1]['name']='(others)'
@actions_per_context[size-1]['total']=0
(size-1).upto @all_actions_per_context.size()-1 do |i|
@actions_per_context[size-1]['total']+=@all_actions_per_context[i]['total'].to_i
end
end
@sum=0
0.upto @all_actions_per_context.size()-1 do |i|
@sum += @all_actions_per_context[i]['total'].to_i
end
@truncate_chars = 15
render :layout => false
end
def actions_day_of_week_all_data
@actions = @user.todos
@actions_creation_day = @actions.find(:all, {
:select => "created_at"
})
@actions_completion_day = @actions.find(:all, {
:select => "completed_at",
:conditions => "not completed_at is null"
})
# convert to hash to be able to fill in non-existing days
@actions_creation_day_array = Array.new(7) { |i| 0}
@actions_creation_day.each do |t|
# dayofweek: sunday=0..saterday=6
dayofweek = t.created_at.wday
@actions_creation_day_array[dayofweek] += 1
end
# find max
@max=0
0.upto(6) { |i| @max = @actions_creation_day_array[i] if @actions_creation_day_array[i] > @max}
# 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 do |t|
# dayofweek: sunday=0..saterday=6
dayofweek = t.completed_at.wday
@actions_completion_day_array[dayofweek] += 1
end
0.upto(6) { |i| @max = @actions_completion_day_array[i] if @actions_completion_day_array[i] > @max}
render :layout => false
end
def actions_day_of_week_30days_data
@actions_creation_day = @actions.find(:all, {
:select => "created_at",
:conditions => ["created_at > ?", @cut_off_month]
})
@actions_completion_day = @actions.find(:all, {
:select => "completed_at",
:conditions => ["NOT completed_at IS NULL AND completed_at > ?", @cut_off_month]
})
# 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 do |r|
# dayofweek: sunday=1..saterday=8
dayofweek = r.created_at.wday
@actions_creation_day_array[dayofweek] += 1
end
0.upto(6) { |i| @max = @actions_creation_day_array[i] if @actions_creation_day_array[i] > @max}
# 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 do |r|
# dayofweek: sunday=1..saterday=7
dayofweek = r.completed_at.wday
@actions_completion_day_array[dayofweek] += 1
end
0.upto(6) { |i| @max = @actions_completion_day_array[i] if @actions_completion_day_array[i] > @max}
render :layout => false
end
def actions_time_of_day_all_data
@actions_creation_hour = @actions.find(:all, {
:select => "created_at"
})
@actions_completion_hour = @actions.find(:all, {
:select => "completed_at",
:conditions => "NOT completed_at IS NULL"
})
# convert to hash to be able to fill in non-existing days
@max=0
@actions_creation_hour_array = Array.new(24) { |i| 0}
@actions_creation_hour.each do |r|
hour = current_user.prefs.tz.adjust(r.created_at).hour
@actions_creation_hour_array[hour] += 1
end
0.upto(23) { |i| @max = @actions_creation_hour_array[i] if @actions_creation_hour_array[i] > @max}
# 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 do |r|
hour = current_user.prefs.tz.adjust(r.completed_at).hour
@actions_completion_hour_array[hour] += 1
end
0.upto(23) { |i| @max = @actions_completion_hour_array[i] if @actions_completion_hour_array[i] > @max}
render :layout => false
end
def actions_time_of_day_30days_data
@actions_creation_hour = @actions.find(:all, {
:select => "created_at",
:conditions => ["created_at > ?", @cut_off_month]
})
@actions_completion_hour = @actions.find(:all, {
:select => "completed_at",
:conditions => ["NOT completed_at IS NULL AND completed_at > ?", @cut_off_month]
})
# convert to hash to be able to fill in non-existing days
@max=0
@actions_creation_hour_array = Array.new(24) { |i| 0}
@actions_creation_hour.each do |r|
hour = current_user.prefs.tz.adjust(r.created_at).hour
@actions_creation_hour_array[hour] += 1
end
0.upto(23) { |i| @max = @actions_creation_hour_array[i] if @actions_creation_hour_array[i] > @max}
# 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 do |r|
hour = current_user.prefs.tz.adjust(r.completed_at).hour
@actions_completion_hour_array[hour] += 1
end
0.upto(23) { |i| @max = @actions_completion_hour_array[i] if @actions_completion_hour_array[i] > @max}
render :layout => false
end
private
def init
@actions = @user.todos
@projects = @user.projects
@contexts = @user.contexts
@tags = @user.tags
# get the current date wih time set to 0:0
now = Time.new
@today = Time.utc(now.year, now.month, now.day, 0,0)
# define the number of seconds in a day
@seconds_per_day = 60*60*24
# define cut_off date and discard the time for a month, 3 months and a year
cut_off_time = 13.months.ago()
@cut_off_year = Time.utc(cut_off_time.year, cut_off_time.month, cut_off_time.day,0,0)
cut_off_time = 16.months.ago()
@cut_off_year_plus3 = Time.utc(cut_off_time.year, cut_off_time.month, cut_off_time.day,0,0)
cut_off_time = 31.days.ago
@cut_off_month = Time.utc(cut_off_time.year, cut_off_time.month, cut_off_time.day,0,0)
cut_off_time = 91.days.ago
@cut_off_3months = Time.utc(cut_off_time.year, cut_off_time.month, cut_off_time.day,0,0)
end
def get_stats_actions
# time to complete
@completed_actions = @actions.find(:all, {
:select => "completed_at, created_at",
:conditions => "NOT completed_at IS NULL",
})
actions_sum, actions_max, actions_min = 0,0,-1
@completed_actions.each do |r|
actions_sum += (r.completed_at - r.created_at)
actions_max = (r.completed_at - r.created_at) if (r.completed_at - r.created_at) > actions_max
actions_min = (r.completed_at - r.created_at) if actions_min == -1
actions_min = (r.completed_at - r.created_at) if (r.completed_at - r.created_at) < actions_min
end
sum_actions = @completed_actions.size
sum_actions = 1 if sum_actions==0
@actions_avg_ttc = (actions_sum/sum_actions)/@seconds_per_day
@actions_max_ttc = actions_max/@seconds_per_day
@actions_min_ttc = actions_min/@seconds_per_day
min_ttc_sec = Time.utc(2000,1,1,0,0)+actions_min
@actions_min_ttc_sec = (min_ttc_sec).strftime("%H:%M:%S")
@actions_min_ttc_sec = (actions_min / @seconds_per_day).round.to_s + " days " + @actions_min_ttc_sec if actions_min > @seconds_per_day
# get count of actions created and actions done in the past 30 days.
@sum_actions_done_last30days = @actions.count(:all, {
:conditions => ["completed_at > ? AND NOT completed_at IS NULL", @cut_off_month]
})
@sum_actions_created_last30days = @actions.count(:all, {
:conditions => ["created_at > ?", @cut_off_month]
})
# get count of actions done in the past 12 months.
@sum_actions_done_last12months = @actions.count(:all, {
:conditions => ["completed_at > ? AND NOT completed_at IS null", @cut_off_year]
})
@sum_actions_created_last12months = @actions.count(:all, {
:conditions => ["created_at > ?", @cut_off_year]
})
end
def get_stats_contexts
# get action count per context for TOP 5
#
# Went from GROUP BY c.id to c.name for compatibility with postgresql. Since
# the name is forced to be unique, this should work.
@actions_per_context = @contexts.find_by_sql(
"SELECT c.name AS name, count(*) AS total "+
"FROM contexts c, todos t "+
"WHERE t.context_id=c.id "+
"AND t.user_id="+@user.id.to_s+" "+
"GROUP BY c.name ORDER BY total DESC " +
"LIMIT 5"
)
# get uncompleted action count per visible context for TOP 5
#
# Went from GROUP BY c.id to c.name for compatibility with postgresql. Since
# the name is forced to be unique, this should work.
@running_actions_per_context = @contexts.find_by_sql(
"SELECT c.name AS name, count(*) AS total "+
"FROM contexts c, todos t "+
"WHERE t.context_id=c.id AND t.completed_at IS NULL AND NOT c.hide "+
"AND t.user_id="+@user.id.to_s+" "+
"GROUP BY c.name ORDER BY total DESC " +
"LIMIT 5"
)
end
def get_stats_projects
# get the first 10 projects and their action count (all actions)
#
# Went from GROUP BY p.id to p.name for compatibility with postgresql. Since
# the name is forced to be unique, this should work.
@projects_and_actions = @projects.find_by_sql(
"SELECT p.name, count(*) AS count "+
"FROM projects p, todos t "+
"WHERE p.id = t.project_id "+
"AND p.user_id="+@user.id.to_s+" "+
"GROUP BY p.name "+
"ORDER BY count DESC " +
"LIMIT 10"
)
# get the first 10 projects with their actions count of actions that have
# been created or completed the past 30 days
# using GROUP BY p.name (was: p.id) for compatibility with Postgresql. Since
# you cannot create two contexts with the same name, this will work.
@projects_and_actions_last30days = @projects.find_by_sql([
"SELECT p.name, count(*) AS count "+
"FROM todos t, projects p "+
"WHERE t.project_id = p.id AND "+
" (t.created_at > ? OR t.completed_at > ?) "+
"AND p.user_id=? "+
"GROUP BY p.name "+
"ORDER BY count DESC " +
"LIMIT 10", @cut_off_month, @cut_off_month, @user.id]
)
# get the first 10 projects and their running time (creation date versus
# now())
@projects_and_runtime_sql = @projects.find_by_sql(
"SELECT name, created_at "+
"FROM projects "+
"WHERE state='active' "+
"AND user_id="+@user.id.to_s+" "+
"ORDER BY created_at ASC "+
"LIMIT 10"
)
i=0
@projects_and_runtime = Array.new(10, ["n/a", "n/a"])
@projects_and_runtime_sql.each do |r|
days = (@today - r.created_at) / @seconds_per_day
# add one so that a project that you just create returns 1 day
@projects_and_runtime[i]=[r.name, days.to_i+1]
i += 1
end
end
def get_stats_tags
# tag cloud code inspired by this article
# http://www.juixe.com/techknow/index.php/2006/07/15/acts-as-taggable-tag-cloud/
levels=10
# TODO: parameterize limit
# Get the tag cloud for all tags for actions
query = "SELECT tags.id, name, count(*) AS count"
query << " FROM taggings, tags"
query << " WHERE tags.id = tag_id"
query << " AND taggings.user_id="+@user.id.to_s+" "
query << " AND taggings.taggable_type='Todo' "
query << " GROUP BY tags.id"
query << " ORDER BY count DESC, name"
query << " LIMIT 100"
@tags_for_cloud = Tag.find_by_sql(query).sort_by { |tag| tag.name.downcase }
max, @tags_min = 0, 0
@tags_for_cloud.each { |t|
max = t.count.to_i if t.count.to_i > max
@tags_min = t.count.to_i if t.count.to_i < @tags_min
}
@tags_divisor = ((max - @tags_min) / levels) + 1
# Get the tag cloud for all tags for actions
query = "SELECT tags.id, tags.name AS name, count(*) AS count"
query << " FROM taggings, tags, todos"
query << " WHERE tags.id = tag_id"
query << " AND taggings.user_id=? "
query << " AND taggings.taggable_type='Todo' "
query << " AND taggings.taggable_id=todos.id "
query << " AND (todos.created_at > ? OR "
query << " todos.completed_at > ?) "
query << " GROUP BY tags.id"
query << " ORDER BY count DESC, name"
query << " LIMIT 100"
@tags_for_cloud_90days = Tag.find_by_sql(
[query, @user.id, @cut_off_3months, @cut_off_3months]
).sort_by { |tag| tag.name.downcase }
max_90days, @tags_min_90days = 0, 0
@tags_for_cloud_90days.each { |t|
max_90days = t.count.to_i if t.count.to_i > max_90days
@tags_min_90days = t.count.to_i if t.count.to_i < @tags_min_90days
}
@tags_divisor_90days = ((max_90days - @tags_min_90days) / levels) + 1
end
end
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