Persist reasons for notifications to db

This commit is contained in:
Maximilian Grundke
2018-02-26 15:26:48 +01:00
parent cce6b5532d
commit 357712eac7
5 changed files with 57 additions and 17 deletions

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@ -0,0 +1,5 @@
class AnomalyNotification < ActiveRecord::Base
belongs_to :user, polymorphic: true
belongs_to :exercise
belongs_to :exercise_collection
end

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@ -66,21 +66,24 @@ class Exercise < ActiveRecord::Base
end end
def user_working_time_query def user_working_time_query
""" "
SELECT user_id, SELECT user_id,
user_type,
sum(working_time_new) AS working_time sum(working_time_new) AS working_time
FROM FROM
(SELECT user_id, (SELECT user_id,
user_type,
CASE WHEN working_time >= '0:05:00' THEN '0' ELSE working_time END AS working_time_new CASE WHEN working_time >= '0:05:00' THEN '0' ELSE working_time END AS working_time_new
FROM FROM
(SELECT user_id, (SELECT user_id,
user_type,
id, id,
(created_at - lag(created_at) over (PARTITION BY user_id, exercise_id (created_at - lag(created_at) over (PARTITION BY user_id, exercise_id
ORDER BY created_at)) AS working_time ORDER BY created_at)) AS working_time
FROM submissions FROM submissions
WHERE exercise_id=#{id}) AS foo) AS bar WHERE exercise_id=#{id}) AS foo) AS bar
GROUP BY user_id GROUP BY user_id, user_type
""" "
end end
def get_quantiles(quantiles) def get_quantiles(quantiles)
@ -203,7 +206,7 @@ class Exercise < ActiveRecord::Base
def retrieve_working_time_statistics def retrieve_working_time_statistics
@working_time_statistics = {} @working_time_statistics = {}
self.class.connection.execute(user_working_time_query).each do |tuple| self.class.connection.execute(user_working_time_query).each do |tuple|
@working_time_statistics[tuple["user_id"].to_i] = tuple @working_time_statistics[tuple['user_id'].to_i] = tuple
end end
end end
@ -373,6 +376,7 @@ class Exercise < ActiveRecord::Base
Submission.joins("JOIN ( Submission.joins("JOIN (
SELECT SELECT
user_id, user_id,
user_type,
first_value(id) OVER (PARTITION BY user_id ORDER BY created_at DESC) AS fv first_value(id) OVER (PARTITION BY user_id ORDER BY created_at DESC) AS fv
FROM submissions FROM submissions
WHERE exercise_id = #{id} WHERE exercise_id = #{id}

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@ -0,0 +1,11 @@
class CreateAnomalyNotifications < ActiveRecord::Migration
def change
create_table :anomaly_notifications do |t|
t.belongs_to :user, polymorphic: true, index: true
t.belongs_to :exercise, index: true
t.belongs_to :exercise_collection, index: true
t.string :reason
t.timestamps
end
end
end

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@ -11,11 +11,25 @@
# #
# It's strongly recommended that you check this file into your version control system. # It's strongly recommended that you check this file into your version control system.
ActiveRecord::Schema.define(version: 20171210172208) do ActiveRecord::Schema.define(version: 20180226131340) do
# These are extensions that must be enabled in order to support this database # These are extensions that must be enabled in order to support this database
enable_extension "plpgsql" enable_extension "plpgsql"
create_table "anomaly_notifications", force: :cascade do |t|
t.integer "user_id"
t.string "user_type"
t.integer "exercise_id"
t.integer "exercise_collection_id"
t.string "reason"
t.datetime "created_at"
t.datetime "updated_at"
end
add_index "anomaly_notifications", ["exercise_collection_id"], name: "index_anomaly_notifications_on_exercise_collection_id", using: :btree
add_index "anomaly_notifications", ["exercise_id"], name: "index_anomaly_notifications_on_exercise_id", using: :btree
add_index "anomaly_notifications", ["user_type", "user_id"], name: "index_anomaly_notifications_on_user_type_and_user_id", using: :btree
create_table "code_harbor_links", force: :cascade do |t| create_table "code_harbor_links", force: :cascade do |t|
t.string "oauth2token", limit: 255 t.string "oauth2token", limit: 255
t.datetime "created_at" t.datetime "created_at"

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@ -95,6 +95,8 @@ namespace :detect_exercise_anomalies do
end end
def notify_users(collection, anomalies) def notify_users(collection, anomalies)
by_id_and_type = proc { |u| {user_id: u[:user_id], user_type: u[:user_type]} }
puts "\t\tSending E-Mails to best and worst performing users of each anomaly..." puts "\t\tSending E-Mails to best and worst performing users of each anomaly..."
anomalies.each do |exercise_id, average_working_time| anomalies.each do |exercise_id, average_working_time|
puts "\t\tAnomaly in exercise #{exercise_id} (avg: #{average_working_time} seconds):" puts "\t\tAnomaly in exercise #{exercise_id} (avg: #{average_working_time} seconds):"
@ -107,33 +109,37 @@ namespace :detect_exercise_anomalies do
users = users.merge(send(method, exercise, NUMBER_OF_USERS_PER_CLASS)) {|key, this, other| this + other} users = users.merge(send(method, exercise, NUMBER_OF_USERS_PER_CLASS)) {|key, this, other| this + other}
end end
# write reasons for feedback emails to db
users.keys.each do |key| users.keys.each do |key|
segment = users[key].uniq segment = users[key].uniq &by_id_and_type
puts "\t\t\t#{key.to_s} performers: #{segment}"
users_to_notify += segment users_to_notify += segment
segment.each do |user|
reason = "{\"segment\": \"#{key.to_s}\", \"feature\": \"#{user[:reason]}\", value: \"#{user[:value]}\"}"
AnomalyNotification.create(user_id: user[:user_id], user_type: user[:user_type],
exercise: exercise, exercise_collection: collection, reason: reason)
end
end end
users_to_notify.uniq! users_to_notify.uniq! &by_id_and_type
puts "\t\tAsked #{users_to_notify.size} users for feedback."
# todo: send emails # todo: send emails
end end
end end
def performers_by_score(exercise, n) def performers_by_score(exercise, n)
submissions = exercise.last_submission_per_user.where('score is not null').order(:score) submissions = exercise.last_submission_per_user.where('score is not null').order(score: :desc)
best_performers = submissions.first(n).to_a.map {|item| item.user_id} map_block = proc {|item| {user_id: item.user_id, user_type: item.user_type, value: item.score, reason: 'score'}}
worst_performers = submissions.last(n).to_a.map {|item| item.user_id} best_performers = submissions.first(n).to_a.map &map_block
worst_performers = submissions.last(n).to_a.map &map_block
return {:best => best_performers, :worst => worst_performers} return {:best => best_performers, :worst => worst_performers}
end end
def performers_by_time(exercise, n) def performers_by_time(exercise, n)
working_times = get_user_working_times(exercise).values.map do |item| working_times = get_user_working_times(exercise).values.map do |item|
{user_id: item['user_id'], time: time_to_f(item['working_time'])} {user_id: item['user_id'], user_type: item['user_type'], value: time_to_f(item['working_time']), reason: 'time'}
end end
working_times.reject! {|item| item[:time].nil? or item[:time] <= MIN_USER_WORKING_TIME} working_times.reject! {|item| item[:value].nil? or item[:value] <= MIN_USER_WORKING_TIME}
working_times.sort_by! {|item| item[:time]} working_times.sort_by! {|item| item[:value]}
working_times.map! {|item| item[:user_id].to_i}
return {:best => working_times.first(n), :worst => working_times.last(n)} return {:best => working_times.first(n), :worst => working_times.last(n)}
end end