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campaign.py
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import math
from flask import current_app, g, Blueprint, session, render_template, redirect, url_for, flash
from decimal import Decimal
from auth import login_required
from database import get_connection, get_cursor
from forms import CampaignCreationForm, CampaignEditForm, DonationForm, SearchForm
bp = Blueprint('campaign', __name__, url_prefix='/campaign')
@bp.route('/create', methods=('GET', 'POST'))
@login_required
def create_campaign():
form = CampaignCreationForm()
connection = get_connection()
cursor = get_cursor()
if form.validate_on_submit():
try:
with connection:
with cursor:
cursor.execute("""INSERT INTO campaign(name, description, image, amount_requested)
VALUES (%s, %s, %s, %s) RETURNING id;""",
(form.name.data, form.description.data, form.image.data, form.amount_requested.data))
id = cursor.fetchone()[0]
cursor.execute("""INSERT INTO campaign_relation(user_account_id, campaign_id, user_role)
VALUES (%s, %s, %s); """,
(session['user_id'], id, 'owner'))
return redirect(url_for("campaign.view_campaign", id=id))
except Exception as e:
current_app.logger.error(e)
return render_template("campaign/create.html", form=form)
@bp.route('/edit/<int:id>', methods=('GET', 'POST'))
@login_required
def edit_campaign(id):
connection = get_connection()
cursor = get_cursor()
cursor.execute("""SELECT name, description, image, amount_requested FROM campaign WHERE id=%s;""",(id,))
curr_campaign = cursor.fetchone()
curr_campaign['amount_requested'] = Decimal(curr_campaign['amount_requested'].replace(",","").replace("$",""))
curr_campaign = dict(zip(list(curr_campaign._index.keys()), list(curr_campaign)))
current_app.logger.info(curr_campaign)
form = CampaignEditForm(**curr_campaign)
owner_id = None
try:
cursor.execute("""SELECT user_account_id FROM campaign_relation WHERE campaign_id=%s AND user_role='owner'""",
(id,))
owner_id = cursor.fetchone()[0]
except Exception as e:
current_app.logger.error(e)
if owner_id != session['user_id']:
flash("You cannot edit a campaign you don't own!", 'error')
return redirect(url_for("campaign.view_campaign", id=id))
if form.validate_on_submit():
try:
with connection:
with cursor:
cursor.execute("""UPDATE campaign SET (name, description, image, amount_requested) =
(%s, %s, %s, %s) WHERE id=%s;""",
(form.name.data, form.description.data, form.image.data,
form.amount_requested.data, form.campaign_id.data))
flash("Successfully updated!", 'success')
return redirect(url_for("campaign.view_campaign", id=id))
except Exception as e:
current_app.logger.error(e)
return render_template("campaign/edit.html", form=form, id=id)
@bp.route('/<int:id>', methods=('GET', 'POST'))
def view_campaign(id):
connection = get_connection()
cursor = get_cursor()
form = DonationForm()
campaign = None
amount_donated = None
percentage = None
donations = None
def setup():
nonlocal campaign, amount_donated, percentage, donations
try:
cursor.execute("""
SELECT c.id AS campaign_id, c.name, c.description, c.image, c.amount_requested, c.date_created,
c.last_modified, up.id AS owner_id, up.first_name, up.last_name, up.profile_image,
up.description AS owner_description,
get_total_donations(c.id) AS amount_donated,
ceil((get_total_donations(c.id)/c.amount_requested)*100) AS percentage
FROM campaign c
INNER JOIN campaign_relation cr on c.id = cr.campaign_id
INNER JOIN user_account ua on cr.user_account_id = ua.id
INNER JOIN user_profile up on ua.id = up.user_account_id WHERE c.id = %s AND cr.user_role='owner';
""", (id,))
campaign = cursor.fetchone()
cursor.execute("""
SELECT up.first_name, up.last_name, up.profile_image, t.amount
FROM campaign c INNER JOIN campaign_relation cr ON c.id = cr.campaign_id
INNER JOIN transaction t ON t.id = cr.transaction_id
INNER JOIN user_profile up ON cr.user_account_id = up.user_account_id
WHERE user_role='pledged' AND c.id=%s ORDER BY t.date_created DESC LIMIT 10;
""", (id,))
donations = cursor.fetchall()
except Exception as e:
current_app.logger.error(e)
if form.validate_on_submit():
try:
connection = get_connection()
cursor = get_cursor()
with connection:
with cursor:
cursor.execute("""
SELECT credit_card FROM user_profile WHERE user_account_id=%s
""", (session['user_id'],))
cc_number = cursor.fetchone()[0]
cursor.execute("""
INSERT INTO transaction(credit_card, amount)
VALUES (%s, %s) RETURNING id;
""", (cc_number, form.amount.data))
transaction_id = cursor.fetchone()[0]
cursor.execute("""
INSERT INTO campaign_relation(user_account_id, campaign_id, transaction_id, user_role)
VALUES (%s, %s, %s, %s)
""", (session['user_id'], form.campaign_id.data, transaction_id, 'pledged'))
flash('Successfully donated!', 'success')
setup()
return render_template("campaign/campaign.html",
form=form, campaign=campaign, donations=donations)
except Exception as e:
current_app.logger.error(e)
flash(e, 'error')
flash(form.errors, 'error')
setup()
return render_template("campaign/campaign.html",
form=form, campaign=campaign, donations=donations)
@bp.route('/search/', methods=('GET', 'POST'), defaults={'offset': 0})
@bp.route('/search/<int:offset>', methods=('GET', 'POST'))
def search_campaigns(offset):
cursor = get_cursor()
form = SearchForm()
pages = None
if form.validate_on_submit():
current_app.logger.info("searching")
query = form.search.data
current_app.logger.info("query: " + query)
cursor.execute("""
SELECT c.name, c.description, c.image, c.id AS campaign_id, get_total_donations(c.id) AS amount_donated,
c.amount_requested, ceil((get_total_donations(c.id)/c.amount_requested)*100) AS percentage
FROM campaign c
INNER JOIN campaign_relation cr ON c.id = cr.campaign_id
INNER JOIN user_account ua ON cr.user_account_id = ua.id
INNER JOIN user_profile up ON ua.id = up.user_account_id where cr.user_role='owner'
AND c.tsv || up.tsv @@ plainto_tsquery('english', %s)
ORDER BY ts_rank_cd(c.tsv || up.tsv, plainto_tsquery('english', %s)) DESC;
""", (query, query,))
campaigns = cursor.fetchall();
current_app.logger.info(str(campaigns))
return render_template("campaign/gallery.html", search_term=form.search.data, campaigns=campaigns, form=form)
cursor.execute("""
SELECT COUNT(*) FROM campaign;
""")
pages = math.ceil(cursor.fetchone()[0] / 9)
cursor.execute("""
SELECT c.id AS campaign_id, c.name, c.description, c.image, c.amount_requested, c.date_created,
c.last_modified, up.id AS owner_id, up.first_name, up.last_name, up.profile_image,
up.description AS owner_description, get_total_donations(c.id) AS amount_donated,
ceil((get_total_donations(c.id)/c.amount_requested)*100) AS percentage
FROM campaign c
INNER JOIN campaign_relation cr on c.id = cr.campaign_id
INNER JOIN user_account ua on cr.user_account_id = ua.id
INNER JOIN user_profile up on ua.id = up.user_account_id WHERE cr.user_role='owner'
ORDER BY c.date_created ASC OFFSET %s ROWS LIMIT 9;
""", (offset*9,))
campaigns = cursor.fetchall()
return render_template("campaign/gallery.html", search_term=None, campaigns=campaigns, form=form, pages=pages)