def show_login():
model.add_pageview(user_id=None,
item_id=None,
page="login",
activity_type="enter login page",
rating=None) #pageview
return render_template("login.html")
def to_overall_feedback():
model.add_pageview(user_id=session["user"],
item_id=None,
page="feedback",
activity_type="start viewing overall feedback",
rating=None) #pageview
return render_template("feedback.html")
def view_combined_recommendations(id):
rec, pred_1, pred_2, pred_3, pred_4, pred_5, pred_6, pred_7, pred_8, pred_9, pred_10 = model.show_recommendations1(
id)
rec2, pred_11, pred_12, pred_13, pred_14, pred_15, pred_16, pred_17, pred_18, pred_19, pred_20 = model.show_recommendations2(
id)
model.add_pageview(user_id=session["user"],
item_id=None,
page="recommendations",
activity_type="start viewing combined recommendations",
rating=None) #pageview
return render_template("combined_recommendations.html",
id=id,
rec=rec,
pred_1=pred_1,
pred_2=pred_2,
pred_3=pred_3,
pred_4=pred_4,
pred_5=pred_5,
pred_6=pred_6,
pred_7=pred_7,
pred_8=pred_8,
pred_9=pred_9,
pred_10=pred_10,
rec2=rec2,
pred_11=pred_11,
pred_12=pred_12,
pred_13=pred_13,
pred_14=pred_14,
pred_15=pred_15,
pred_16=pred_16,
pred_17=pred_17,
pred_18=pred_18,
pred_19=pred_19,
pred_20=pred_20)
def instructions():
model.add_pageview(user_id=session["user"],
item_id=None,
page="feedback",
activity_type="start viewing instructions",
rating=None) #pageview
return render_template("instructions.html")
def process_logout():
model.add_pageview(user_id=session["user"],
item_id=None,
page="logout",
activity_type="user logout",
rating=None) #pageview
session.clear()
return redirect("/")
def view_recommended_item_details(id):
item_ratings = model.show_item_details(id)
item = item_ratings[0].item
model.add_pageview(user_id=session["user"],
item_id=item.id,
page="item",
activity_type="recommended item view",
rating=None) #pageview
return render_template("view_recommended_item.html",
item=item) #prediction_items=prediction_items,
def cart_update():
user_id = session['user']
item_id = request.form.get("item")
model.add_cart(user_id, item_id)
model.add_pageview(user_id=session["user"],
item_id=item_id,
page="cart",
activity_type="add to cart",
rating=None) #pageview
flash("You've added to your shopping cart!")
return redirect(url_for('show_user_details', id=user_id))
def overall_feedback():
user_id = session['user']
novelty = request.form.get("novelty")
unexpectedness = request.form.get("unexpectedness")
model.add_feedback(user_id, novelty, unexpectedness)
model.add_pageview(user_id=session["user"],
item_id=None,
page="feedback",
activity_type="finish viewing and giving feedback",
rating=None) #pageview
flash("Thank you for the overall feedback!")
return redirect(url_for('show_user_details', id=user_id))
def show_user_details(id):
user_id = session["user"]
model.add_pageview(user_id=user_id,
item_id=None,
page="Movie List",
activity_type="enter Movie List",
rating=None) #pageview
user = model.session.query(model.User).filter_by(id=id).join(
model.Rating).join(model.Item).first()
ratings = model.session.query(model.Rating).options(
joinedload(model.Rating.item)).filter_by(user_id=id).all()
return render_template("view_user.html", user=user, ratings=ratings)
def show_cart_details(id):
user = model.session.query(model.User).filter_by(id=id).join(
model.ShoppingCart).join(model.Item).first()
shopitem = model.session.query(model.ShoppingCart).options(
joinedload(model.ShoppingCart.item)).filter_by(user_id=id).all()
# ratings = model.session.query(model.Rating).options(joinedload(model.Rating.item)).filter_by(user_id=id).all()
# return render_template("view_user.html", user=user, ratings=ratings)
model.add_pageview(user_id=session["user"],
item_id=None,
page="cart",
activity_type="view cart",
rating=None) #pageview
return render_template("shoppercart.html", user=user, shopitem=shopitem)
def update_algo():
algorithm_1 = request.form.get("algorithm_1")
algorithm_2 = request.form.get("algorithm_2")
model.update_current_algo(id=1, algorithm=algorithm_1)
model.update_current_algo(id=2, algorithm=algorithm_2)
model.add_pageview(user_id=None,
item_id=None,
page="update_recommender",
activity_type='updated recommenders',
rating=None) #pageview
# model.add_pageview(user_id=session["user"], item_id=item_id, page="item", activity_type="end item view",rating=None) #pageview
flash("You've changed algorithms")
return redirect(url_for('view_algo'))
def update_rating():
new_rating = request.form.get("rating")
item_id = request.form.get("item")
user_id = session['user']
model.update_rating(user_id, item_id, new_rating)
model.add_pageview(user_id=session["user"],
item_id=item_id,
page="item",
activity_type="rate item",
rating=new_rating) #pageview
model.add_pageview(user_id=session["user"],
item_id=item_id,
page="item",
activity_type="end item view",
rating=None) #pageview
flash("You've changed your rating for this item")
return redirect(url_for('show_user_details', id=user_id))
def overall_feedback():
user_id = session['user']
novelty = request.form.get("novelty")
unexpectedness = request.form.get("unexpectedness")
satisfaction = request.form.get("satisfaction")
recommendation = request.form.get("recommendation")
overall_unexp_implicit = request.form.get("overall_unexp_implicit")
model.add_feedback(user_id, novelty, unexpectedness, satisfaction,
recommendation, overall_unexp_implicit)
model.add_pageview(
user_id=session["user"],
item_id=None,
page="feedback",
activity_type="finish viewing and giving overall feedback",
rating=None) #pageview
flash("Thank you for the overall feedback!")
return redirect(url_for('view_combined_recommendations', id=user_id))
def make_new_account():
email = request.form.get("email")
password = request.form.get("password")
turk_id = request.form.get("turk_id")
age = request.form.get("age")
gender = request.form.get("gender")
occupation = request.form.get("occupation")
state = request.form.get("state")
country = request.form.get("country")
model.create_user(email, password, turk_id, age, gender, occupation, state,
country)
model.add_pageview(user_id=None,
item_id=None,
page="signup",
activity_type="successful signup",
rating=None) #pageview
flash("You're registered! Now please log in")
return redirect('/login')
def view_recommendations(id):
rec, pred_1, pred_2, pred_3, pred_4, pred_5, pred_6, pred_7, pred_8, pred_9, pred_10 = model.show_recommendations(
id)
model.add_pageview(user_id=session["user"],
item_id=None,
page="recommendations",
activity_type="start viewing recommendations",
rating=None) #pageview
return render_template("recommendations.html",
id=id,
rec=rec,
pred_1=pred_1,
pred_2=pred_2,
pred_3=pred_3,
pred_4=pred_4,
pred_5=pred_5,
pred_6=pred_6,
pred_7=pred_7,
pred_8=pred_8,
pred_9=pred_9,
pred_10=pred_10)
def process_login():
email = request.form.get("email")
password = request.form.get("password")
user = model.get_user_from_email(email)
if user == None:
flash("This user is not registered yet")
model.add_pageview(
user_id=None,
item_id=None,
page="login",
activity_type="non-registered id / incorrect details",
rating=None) #pageview
return redirect('signup')
else:
session['user'] = user.id
model.add_pageview(user_id=user.id,
item_id=None,
page="login",
activity_type="successful login",
rating=None) #pageview
return redirect(url_for('show_user_details', id=user.id))
def view_algo():
algo1_id = model.show_current_algo(1)
model.add_pageview(user_id=None,
item_id=None,
page="current_recommender",
activity_type='current recommender 1 is ' +
str(algo1_id[0].algorithm)[13:].upper(),
rating=None) #pageview
algo2_id = model.show_current_algo(2)
model.add_pageview(user_id=None,
item_id=None,
page="current_recommender",
activity_type='current recommender 2 is ' +
str(algo2_id[0].algorithm)[13:].upper(),
rating=None) #pageview
# algo1 = algo1_id[0]
# algo_11 = model.update_current_algo(2)
# model.add_pageview(user_id=session["user"], item_id=item.id, page="item", activity_type="start item view",rating=None) #pageview
return render_template(
"algo.html", algo1_id=algo1_id,
algo2_id=algo2_id) #prediction_items=prediction_items,
def within_feedback():
user_id = session['user']
within_unexp_find = request.form.get("within_unexp_find")
within_unexp_implicit = request.form.get("within_unexp_implicit")
within_novel = request.form.get("within_novel")
within_diversity = request.form.get("within_diversity")
within_satisfaction = request.form.get("within_satisfaction")
any_feedback = request.form.get("any_feedback")
model.add_within_feedback(user_id, within_unexp_find,
within_unexp_implicit, within_novel,
within_diversity, within_satisfaction,
any_feedback)
model.add_pageview(user_id=session["user"],
item_id=None,
page="within feedback",
activity_type="finish the with-effects feedback",
rating=None) #pageview
flash(
"Thank you for using the website! You can LOG OUT now OR continue experimenting!"
)
flash("See how your recommendations change with more or different items!")
# return redirect(url_for('process_logout'))
return redirect(url_for('show_user_details', id=user_id))
def add_rec_rating():
user_id = session['user']
user_rating_1 = request.form.get("user_rating_1")
user_rating_2 = request.form.get("user_rating_2")
user_rating_3 = request.form.get("user_rating_3")
user_rating_4 = request.form.get("user_rating_4")
user_rating_5 = request.form.get("user_rating_5")
user_rating_6 = request.form.get("user_rating_6")
user_rating_7 = request.form.get("user_rating_7")
user_rating_8 = request.form.get("user_rating_8")
user_rating_9 = request.form.get("user_rating_9")
user_rating_10 = request.form.get("user_rating_10")
model.add_rec_rating(user_id, user_rating_1, user_rating_2, user_rating_3,
user_rating_4, user_rating_5, user_rating_6,
user_rating_7, user_rating_8, user_rating_9,
user_rating_10)
model.add_pageview(user_id=session["user"],
item_id=None,
page="recommendations",
activity_type="rate recommendations and finish view",
rating=None) #pageview
flash("You've rated your recommendations!Thank you for the feedback!")
return redirect(url_for('to_overall_feedback', id=user_id))
def recsys_compute(id):
user_id = session['user']
model.add_pageview(user_id=session["user"],
item_id=None,
page="recommender_algorithm",
activity_type="initialize recommender",
rating=None) #pageview
model.delete_recommendations()
anchoring_exp = AnchoringExperiment(userid=random.random())
selector = anchoring_exp.get("var")
if selector == 1:
recommender1.compute_recommendations()
model.add_algo(user_id=user_id,
algorithm="KNNBasic",
mae=recommender1.mae1,
rmse=recommender1.rmse1)
model.add_pageview(user_id=session["user"],
item_id=None,
page="recommender_algorithm",
activity_type="used recommender 1",
rating=None) #pageview
else:
recommender2.compute_recommendations()
model.add_algo(user_id=user_id,
algorithm="NMF",
mae=recommender2.mae2,
rmse=recommender2.rmse2)
model.add_pageview(user_id=session["user"],
item_id=None,
page="recommender_algorithm",
activity_type="used recommender 2",
rating=None) #pageview
model.add_pageview(user_id=session["user"],
item_id=None,
page="recommender_algorithm",
activity_type="finish recommender computation",
rating=None) #pageview
flash(
"You've computed Recommendations! Please dont re-run until new recommendations are required!!"
)
# return render_template("recommendations.html", id=id)
return redirect(url_for('view_recommendations', id=id))
def recsys_compute(id):
user_id = session['user']
model.add_pageview(user_id=session["user"],
item_id=None,
page="recommender_algorithm",
activity_type="initialize recommender",
rating=None) #pageview
model.delete_recommendations1()
model.delete_recommendations2()
model.delete_numeric_predictions1()
model.delete_numeric_predictions2()
# A/B Testng and algorithm randomization. Since we have to randomize which algorithm recommendentations to show first, a list of lists is used
# for random selection. The results are then appended to two separate tables depending on the algorithm.
# HERE algorithm 1 is recommender3_svd
# HERE algorithm 2 is recommender4_knn
select_list = [[1, 2], [2, 1]]
selector = random.choice(select_list)
if selector[0] == 1:
# Run algorithm 1 first
algo1_id = model.show_current_algo(1)
recommender1 = __import__(algo1_id[0].algorithm)
recommender1.compute_recommendations(
user_id=user_id,
prediction_table='recommendations1',
numeric_prediction_table='transposed_prediction1')
model.add_algo(user_id=user_id,
algorithm=str(algo1_id[0].algorithm)[13:].upper())
model.add_pageview(user_id=session["user"],
item_id=None,
page="recommender_algorithm",
activity_type='used recommender ' +
str(algo1_id[0].algorithm)[13:].upper(),
rating=None) #pageview
# Run algorithm 2
algo2_id = model.show_current_algo(2)
recommender2 = __import__(algo2_id[0].algorithm)
recommender2.compute_recommendations(
user_id=user_id,
prediction_table='recommendations2',
numeric_prediction_table='transposed_prediction2')
model.add_algo(user_id=user_id,
algorithm=str(algo2_id[0].algorithm)[13:].upper())
model.add_pageview(user_id=session["user"],
item_id=None,
page="recommender_algorithm",
activity_type='used recommender ' +
str(algo2_id[0].algorithm)[13:].upper(),
rating=None) #pageview
else:
algo2_id = model.show_current_algo(2)
recommender2 = __import__(algo2_id[0].algorithm)
recommender2.compute_recommendations(
user_id=user_id,
prediction_table='recommendations1',
numeric_prediction_table='transposed_prediction1')
model.add_algo(user_id=user_id,
algorithm=str(algo2_id[0].algorithm)[13:].upper())
model.add_pageview(user_id=session["user"],
item_id=None,
page="recommender_algorithm",
activity_type='used recommender ' +
str(algo2_id[0].algorithm)[13:].upper(),
rating=None) #pageview
# Run algorithm 1
algo1_id = model.show_current_algo(1)
recommender1 = __import__(algo1_id[0].algorithm)
recommender1.compute_recommendations(
user_id=user_id,
prediction_table='recommendations2',
numeric_prediction_table='transposed_prediction2')
model.add_algo(user_id=user_id,
algorithm=str(algo1_id[0].algorithm)[13:].upper())
model.add_pageview(user_id=session["user"],
item_id=None,
page="recommender_algorithm",
activity_type='used recommender ' +
str(algo1_id[0].algorithm)[13:].upper(),
rating=None) #pageview
model.add_pageview(user_id=session["user"],
item_id=None,
page="recommender_algorithm",
activity_type="finish recommender computation",
rating=None) #pageview
flash(
"You've computed Recommendations! Please dont re-run until new recommendations are required!!"
)
# return render_template("recommendations.html", id=id)
return redirect(url_for('view_recommendations', id=id))
