Files
bloodpressure/app/routes/reading.py
2024-12-30 23:30:22 +11:00

80 lines
3.2 KiB
Python

from flask import Blueprint, render_template, redirect, request, url_for, flash
from pytz import timezone, utc
from app.models import Reading, db
from app.forms import ReadingForm
from flask_login import login_required, current_user
from datetime import datetime
reading = Blueprint('reading', __name__)
def get_user_timezone():
"""Fetch the user's timezone, defaulting to UTC."""
return timezone(current_user.profile.timezone if current_user.profile and current_user.profile.timezone else 'UTC')
def localize_timestamp(timestamp, user_tz):
"""Convert a UTC timestamp to the user's local timezone."""
return utc.localize(timestamp).astimezone(user_tz)
def save_reading_from_form(reading, form, user_tz):
"""Update a reading with form data and convert the timestamp to UTC."""
local_timestamp = form.timestamp.data
reading.timestamp = user_tz.localize(local_timestamp.replace(tzinfo=None)).astimezone(utc)
reading.systolic = form.systolic.data
reading.diastolic = form.diastolic.data
reading.heart_rate = form.heart_rate.data
db.session.commit()
@reading.route('/add', methods=['GET', 'POST'])
@login_required
def add_reading():
form = ReadingForm()
user_tz = get_user_timezone()
if form.validate_on_submit():
new_reading = Reading(
user_id=current_user.id,
timestamp=user_tz.localize(form.timestamp.data.replace(tzinfo=None)).astimezone(utc),
systolic=form.systolic.data,
diastolic=form.diastolic.data,
heart_rate=form.heart_rate.data,
)
db.session.add(new_reading)
db.session.commit()
flash("Reading added successfully.", "success")
return redirect(url_for('main.dashboard'))
form.timestamp.data = localize_timestamp(datetime.utcnow(), user_tz)
return render_template('reading/add_reading.html', form=form)
@reading.route('/<int:reading_id>/edit', methods=['GET', 'POST'])
@login_required
def edit_reading(reading_id):
reading = Reading.query.filter_by(id=reading_id, user_id=current_user.id).first_or_404()
user_tz = get_user_timezone()
form = ReadingForm(obj=reading)
form.timestamp.data = localize_timestamp(reading.timestamp, user_tz)
if form.validate_on_submit():
save_reading_from_form(reading, form, user_tz)
flash('Reading updated successfully!', 'success')
return redirect(url_for('main.dashboard'))
return render_template('reading/edit_reading.html', form=form, reading=reading)
@reading.route('/<int:reading_id>/confirm_delete', methods=['GET'])
@login_required
def confirm_delete(reading_id):
reading = Reading.query.filter_by(id=reading_id, user_id=current_user.id).first_or_404()
return render_template('reading/confirm_delete.html', reading=reading)
@reading.route('/<int:reading_id>/delete', methods=['POST'])
@login_required
def delete_reading(reading_id):
reading = Reading.query.filter_by(id=reading_id, user_id=current_user.id).first_or_404()
db.session.delete(reading)
db.session.commit()
flash('Reading deleted successfully!', 'success')
return redirect(url_for('main.dashboard'))