def answer(id_of_question):
user = login_check()
if not user:
return redirect(url_for('index'))
db = get_db()
cur = db.execute(
"select expert_id ,question_text from questions where id = ? and answer_text is not null",
[id_of_question])
question_result = cur.fetchone()
if question_result:
question_found = 'Yes'
question_text = question_result['question_text']
if question_result['expert_id'] != user['id']:
return redirect(url_for('login'))
else:
question_found = None
question_text = "Question has been answered."
if request.method == "POST":
answer_by_expert = request.form['answer_by_expert']
db.execute(""" update questions set answer_text = ? where id = ? """,
[answer_by_expert, id_of_question])
db.commit()
return redirect(url_for('index'))
return render_template('answer.html',
user=login_check(),
question_text=question_text,
id_of_question=id_of_question,
question_found=question_found)
def index():
# this user is different variable and user in session is different
# user remains None until it is not in session(login)
user = login_check()
db = get_db()
if not user:
hide_it = True
else:
hide_it = False
questions_cur = db.execute('''select
questions.question_text,
questions.id as question_id,
test_user.name as test_user_name,
expert.name as expert_name from questions
join users as test_user on test_user.id = questions.asked_by_id
join users as expert on expert.id = questions.expert_id
where questions.answer_text is not null''')
questions_result = questions_cur.fetchall()
return render_template('home.html',
user=user,
all_answered_questions=questions_result)
def unanswered():
user = login_check()
if user is None or user['expert'] == 0:
return redirect(url_for('index'))
db = get_db()
# here user id will id of expert from whom test user was asked questions
expert_id = user['id']
questions_cur = db.execute(
'''select
questions.question_text as question_text,
questions.id as question_id,
users.name as name
from questions join users
on users.id = questions.asked_by_id
where questions.answer_text is null
and questions.expert_id = ?''', [expert_id])
question_data = questions_cur.fetchall()
return render_template('unanswered.html',
user=user,
question_data=question_data)
def users():
user = login_check()
if user is None or user['admin'] == 0:
return redirect(url_for('index'))
db = get_db()
# get data of all users
user_cur = db.execute('select id, name, expert, admin from users')
user_result = user_cur.fetchall()
return render_template('users.html', user=user, user_result=user_result)
def login_check():
user_result = None
if 'user' in session:
user = session['user']
db = get_db()
user_cur = db.execute('select * from users where name=?', [user])
user_result = user_cur.fetchone()
if user_result is not None:
return user_result
def promoted(user_id):
db = get_db()
cur = db.execute("select expert from users where id = ?", [user_id])
exp = cur.fetchone()
exp = exp['expert']
if exp == 0:
db.execute("update users set expert = 1 where id = ?", [user_id])
elif exp == 1:
db.execute("update users set expert = 0 where id = ?", [user_id])
db.commit()
return redirect(url_for('users'))
def food():
#Intialize the database
db = get_db()
if request.method == 'POST':
name = request.form['food-name']
protein = int(request.form['protein'])
carbohydrates = int(request.form['carbohydrates'])
fat = int(request.form['fat'])
calories = protein * 4 + carbohydrates * 4 + fat * 9
db.execute('insert into food (name, protein, carbohydrates, fat, calories) values (?, ?, ?, ?, ?)', \
[name, protein, carbohydrates, fat, calories])
db.commit()
cur = db.execute(
'select name, protein, carbohydrates, fat, calories from food')
results = cur.fetchall()
return render_template('add_food.html', results=results)
def view(date):
db = get_db()
cur = db.execute(
'select id, entry_date from log_date where entry_date = ?', [date])
date_result = cur.fetchone()
if request.method == 'POST':
db.execute(
'insert into food_date (food_id, log_date_id) values (?, ?)',
[request.form['food-select'], date_result['id']])
db.commit()
d = datetime.strptime(str(date_result['entry_date']), '%Y%m%d')
pretty_date = datetime.strftime(d, '%B %d, %Y')
food_cur = db.execute('select id, name from food')
food_results = food_cur.fetchall()
log_cur = db.execute(
'''select food.name, food.protein, food.carbohydrates, food.fat, food.calories
from log_date
join food_date on food_date.log_date_id = log_date.id
join food on food.id = food_date.food_id where log_date.entry_date = ?''',
[date])
log_results = log_cur.fetchall()
totals = {}
totals['protein'] = 0
totals['carbohydrates'] = 0
totals['fat'] = 0
totals['calories'] = 0
for food in log_results:
totals['protein'] += food['protein']
totals['carbohydrates'] += food['carbohydrates']
totals['fat'] += food['fat']
totals['calories'] += food['calories']
return render_template('day.html', entry_date=date_result['entry_date'], pretty_date=pretty_date, \
food_results=food_results, log_results=log_results, totals=totals)
def index():
db = get_db()
if request.method == 'POST':
date = request.form['date']
dt = datetime.strptime(date, '%Y-%m-%d')
database_date = datetime.strftime(dt, '%Y%m%d')
db.execute('insert into log_date (entry_date) values(?)',
[database_date])
db.commit()
cur = db.execute(
'''select log_date.entry_date, sum(food.protein) as protein, sum(food.carbohydrates) as carbohydrates, sum(food.fat) as fat, sum(food.calories) as calories
from log_date
join food_date on food_date.log_date_id = log_date.id
join food on food.id = food_date.food_id
group by log_date.id
order by log_date.entry_date desc''')
results = cur.fetchall()
date_results = []
for i in results:
single_date = {}
single_date['entry_date'] = i['entry_date']
single_date['protein'] = i['protein']
single_date['carbohydrates'] = i['carbohydrates']
single_date['fat'] = i['fat']
single_date['calories'] = i['calories']
d = datetime.strptime(str(i['entry_date']), '%Y%m%d')
single_date['pretty_date'] = datetime.strftime(d, '%B %d, %Y')
date_results.append(single_date)
print(single_date)
return render_template('home.html', results=date_results)
def register():
user = login_check()
if user is not None:
return redirect(url_for('index'))
warn = ""
if request.method == "POST":
db = get_db()
name = request.form['name']
password = request.form['password']
cur = db.execute('select name as nm from users where name = ?', [name])
cur = cur.fetchone()
if cur:
warn = "This Username is already used"
else:
hashed_password = generate_password_hash(password, method='sha256')
db.execute(
'insert into users (name, password, expert, admin) values (?, ?, ?, ?)',
[name, hashed_password, 0, 0])
db.commit()
warn = "User has been registered"
return render_template('register.html', warn=warn)
def question(question_id):
user = login_check()
if user is None:
return redirect(url_for('login'))
db = get_db()
cur = db.execute(
'''select
questions.question_text,
questions.answer_text,
asked_by.name as asked_by,
answered_by.name as answered_by
from questions join users as asked_by
on asked_by.id = questions.asked_by_id
join users as answered_by
on answered_by.id = questions.expert_id
where questions.id = ? ''', [question_id])
question_all_data = cur.fetchone()
return render_template('question.html', user=user, qad=question_all_data)
def login():
user = login_check()
if user is not None:
return redirect(url_for('index'))
warning = ''
if request.method == 'POST':
db = get_db()
name = request.form['name']
password = request.form['password']
user_cur = db.execute(
'select id, name, password from users where name=?', [name])
user_result = user_cur.fetchone()
if user_result is None:
warning = 'Warning: User name not found...!'
elif check_password_hash(user_result['password'], password):
# session is really like dictionary but it can use with flask secret key
session['user'] = user_result['name']
return redirect(url_for('index'))
else:
warning = "Warning: Password is incorrect...!"
return render_template('login.html', user=login_check(), warning=warning)
def ask():
user = login_check()
if not user:
return redirect(url_for('index'))
elif user['expert'] != 0:
return redirect(url_for('index'))
db = get_db()
cur = db.execute('select name, expert, id from users')
user_names = cur.fetchall()
if request.method == 'POST':
expert_id, user_ques, user_id = request.form[
'selection'], request.form['question'], user['id']
db.execute(
'''
insert into questions
(question_text, asked_by_id, expert_id)
values (?, ?, ?)''', [user_ques, user_id, expert_id])
db.commit()
return render_template('ask.html', user_names=user_names, user=user)