def user_search():
# Promps the user to enter a keyword for the user to search for in the name or city
continueSearch = True
while continueSearch:
clear_screen()
print(
"Enter in a keyword to find users by name or email or type '!back' to go back to main menu"
)
search = input("Search: ")
if search == "!back":
continueSearch = False
else:
like_search = "%" + search + "%"
db.cur.execute(
"SELECT DISTINCT email, name, city, gender FROM users WHERE email LIKE ? or name LIKE ? ",
(
like_search,
like_search,
))
list = db.cur.fetchall()
print(list)
print_userSearch(list, search)
if list:
# There were users returned from the search
user_select(list)
return # Return back to main menu
def register():
# Gets the information of the user to register for the database
# return:
# user: if data provided is valid
# -1: if the user selects to go back
valid_entry = False
clear_screen()
print("Register for new account")
while not valid_entry:
email = input("Email: ")
user_data = getUser(email)
if user_data:
print("Email already in use")
else:
valid_entry = True
name = input("Name: ")
pwd = input("Password: "******"City: ")
valid_entry = False
while not valid_entry:
gender = input("Gender (M/F): ")
if gender == "M" or gender == "F":
valid_entry = True
else:
print("Entry is invalid, Please enter M or F for gender")
db.cur.execute("INSERT INTO users VALUES (?, ?, ?, ?, ?)", (email, name, pwd, city, gender))
db.conn.commit()
db.set_user(email, name, city, gender)
return db.cur_user
def start():
# Prompts user to select login, register, or exit program
# return:
# user: upon successful login or register
# -2: upon selection of quit
clear_screen()
valid_entry = False
while not valid_entry:
print("Welcome to the MiniProject 1 Store")
print("1: Login 2. Register 3: Exit application")
select = input("Selection: ")
print(type(select))
print(select)
if (select == "1"):
user = login()
if user != -1:
valid_entry = True
if (select == "2"):
user = register()
if user != -1:
valid_entry = True
if (select == "3"):
close_program()
else:
clear_screen()
print("Invalid entry")
return user
def main():
filename = sys.argv[-1] # Get the last agument passed to the file name
if filename == "main.py":
print("Error: No database passed to file")
print("Exiting program...")
sys.exit()
path = "./" + filename
db.connect(path)
isQuit = False
while not isQuit:
start()
mainMenu()
clear_screen()
db.cur_user = None # User has logged out, set user to none
def active_sales(pID_choice):
# List all active sales associated to the product, ordered based on the remaining time of the sale; includes the sale description, the maximum bid (if there is a bid on the item) or the reserved price (if there is no bid on the item), and the number of days, hours and minutes left until the sale expires
clear_screen()
sale_listing = """
select s.sid, s.descr, CASE WHEN maxAmt IS NULL THEN (CASE WHEN s.rprice IS NULL THEN 0 ELSE s.rprice END) ELSE maxAmt END, s.edate, datetime('now')
from sales s left join
(select sid, max(amount) as maxAmt from bids group by sid) b on b.sid = s.sid
where pid = "{pid}"
and s.edate > datetime('now')
"""
sale_query = sale_listing.format(pid=pID_choice)
db.cur.execute(sale_query)
rows = db.cur.fetchall()
index = print_active_sale(rows)
sale_select(rows[index][0])
def print_userSearch(list, search):
# Prints the results that were returned from the user search
# Takes in a list of tuples of users data: (email, name, city, gender)
clear_screen()
if list:
dash = '-' * 90
print(dash)
print('{:<6s} {:<20s} {:<20s} {:<16s} {:<6s}'.format(
"Index", "Name", "Email", "City", "Gender"))
print(dash)
for i in range(len(list)):
print('{:^6d} {:<20s} {:<20s} {:<16s} {:<6s}'.format(
i, list[i][1], list[i][0], list[i][2], list[i][3]))
else:
print("No results returned for your search " + search)
def post_sale():
# Promps the user for data needed to post a sale
clear_screen()
print("Please enter the following information to post a sale:")
valid_pid = False
while not valid_pid:
pid = input("Product ID (Optional, press Enter to skip): ")
if pid == "":
pid = None
valid_pid = True
else:
db.cur.execute("SELECT * FROM products WHERE pid=?", (pid, ))
results = db.cur.fetchall()
if results:
valid_pid = True
else:
print("The pid: " + pid + " Does not exist")
edate = get_datetime()
valid_input = False
while not valid_input:
desc = input("Sale Description (Max 25 char): ")
if len(desc) <= 25:
valid_input = True
else:
print("Error: input length to long")
valid_input = False
while not valid_input:
cond = input("Condition (max 10 char): ")
if len(cond) <= 10:
valid_input = True
else:
print("Error: input length to long")
r_price = input("Reserved price (Optional, press Enter to skip): ")
if r_price == "":
r_price = None
sid = generateSID()
db.cur.execute(
"INSERT INTO sales VALUES (?, ?, ?, ?, ?, ?, ?)",
(sid, db.cur_user.get_email(), pid, edate, desc, cond, r_price))
db.conn.commit()
def user_active_sales(email):
# Takes in the email of a user for get their currently active sales
clear_screen()
sale_listing = """
select s.sid, s.descr, CASE WHEN maxAmt IS NULL THEN (CASE WHEN s.rprice IS NULL THEN 0 ELSE s.rprice END) ELSE maxAmt END, s.edate, datetime('now')
from sales s left join
(select sid, max(amount) as maxAmt from bids group by sid) b on b.sid = s.sid
where s.lister = "{e}"
and s.edate > datetime('now')
"""
sale_query = sale_listing.format(e=email)
db.cur.execute(sale_query)
rows = db.cur.fetchall()
if rows:
index = print_active_sale(rows)
user_sale_select(rows[index][0])
else:
print("User has no active sales")
input("Press enter to go back.")
def print_reviews(email):
# Prints all the reviews that are associated with the user
# Takes in the email whom's reviews are to be printed
clear_screen()
db.cur.execute("SELECT * FROM reviews WHERE reviewee=?", (email, ))
list = db.cur.fetchall()
if list:
# There are tuples in the list
dash = '-' * 90
print(dash)
print('{:<22s} {:<22s} {:<7s} {:<22s} {:<10s}'.format(
"Reviewer", "Reviewee", "Rating", "Description", "Date"))
print(dash)
for i in range(len(list)):
print('{:<22s} {:<22s} {:.2f} {:<22s} {:<10s}'.format(
list[i][0], list[i][1], list[i][2], list[i][3], list[i][4]))
else:
# There are no tuples in the list
print("This user has no reviews")
input("Press Enter to go back")
def login():
# Gets the email and password of an existing user
# return:
# user: if the email and password exists
# -1: if the user selects to go back
clear_screen()
valid_login = False
while not valid_login:
print("Enter email and password. Type 'back' to go back")
email = input("Email: ")
if (email.lower() == 'back'):
login_user = -1
break
pwd = input("Password: "******"Invalid email/password")
else:
# There is no data in the tuple
clear_screen()
print("Invalid email/password")
return login_user
def mainMenu():
# Main menu of the program that prompts the user with the first initial options to choose from
logout = False
while not logout:
clear_screen()
print("Welcome to MiniProject 1 Store Main Menu")
print("1. List products 2. Search for sales 3. Post a sale 4. Search for users Logout: Logout of account Exit: Exit Program")
select = input("Select: ")
if select == "logout":
logout = True
elif select.lower() == "exit":
close_program()
elif select == "1":
list_products()
elif select == "2":
sale_search()
elif select == "3":
post_sale()
elif select == "4":
user_search()
else:
print("Invalid selection made")
def write_review(email):
# Promps user to enter review text and a rating (from 1 to 5)
# Fills in the other required field of date, reviewer, reviewee
clear_screen()
if email == db.cur_user.get_email():
print("You cannot write a review for yourself.")
input("Press Enter to go back")
else:
print("Currently writing a review for: " + str(email))
valid_input = False
while not valid_input:
r_text = input("Review Text (max 20 char): ")
if len(r_text) <= 20:
valid_input = True
else:
print("Error: Max 20 characters allowed")
valid_input = False
while not valid_input:
r_rating = input("Rating (1 to 5): ")
if re.match("^[1-5]*$", r_rating):
if int(r_rating) <= 5:
valid_input = True
r_rating = int(r_rating)
else:
print("Invalid Input")
else:
print("Invalid Input")
today = date.today()
r_date = today.strftime("%Y-%m-%d")
db.cur.execute(
"INSERT INTO reviews VALUES (?, ?, ?, ?, ?)",
(db.cur_user.get_email(), email, r_rating, r_text, r_date))
db.conn.commit()
def list_products():
# Printing the product listing w/active sales (product id, description, number of reviews, average rating and # of active sales of product (active sale: sale end date and time has not reached yet))
# Prompts user to select a product ID
# Prompts user to select an action: write a product review, list all the product's reviews, list all active sales associated to the product
finished = False
while not finished:
clear_screen()
product_listing = """
select p.pid, p.descr, CASE WHEN prCount IS NULL THEN 0 ELSE prCount END, CASE WHEN aRating IS NULL THEN 0 ELSE aRating END, activeC
from products p left join (select pid, count(*) as prCount, avg(rating) as aRating from previews group by pid) pr on p.pid = pr.pid
left join (select pid, count(*) as activeC from sales where edate > datetime('now') group by pid) s on p.pid = s.pid
where activeC > 0
order by activeC desc
"""
db.cur.execute(product_listing)
rows = db.cur.fetchall()
dashes = "-" * 80
print(dashes)
print("{:<7s}{:<12s}{:<22s}{:<14s}{:<16s}{:<12s}".format(
"Index", "Product ID", "Description", "Review Count",
"Average Rating", "Active Sales"))
print(dashes)
for i in range(len(rows)):
print(
"{:^7d}{pid:^12}{descr:<22}{r_count:^14}{avg_rating:^16}{sale_count:^12}"
.format(i,
pid=rows[i][0],
descr=rows[i][1],
r_count=rows[i][2],
avg_rating=rows[i][3],
sale_count=rows[i][4]))
valid_index = False
while not valid_index:
try:
index = int(input("Select a index for the product: "))
if index <= len(rows) - 1 and index >= 0:
valid_index = True
else:
print("Error: invalid index selected")
except ValueError:
print("Invalid index selected")
pID_choice = rows[index][0]
print("""
What would you like to do with this selection?
1. Write a product review
2. List all reviews of the product
3. List active sales associated with the product
4. Return to Main Menu
""")
action = input("Select an action (1, 2, 3, or 4): ")
if action == "1":
write_preview(pID_choice)
elif action == "2":
list_preview(pID_choice)
elif action == "3":
active_sales(pID_choice)
elif action == "4":
finished = True
else:
print("Invalid selection.")