mirror of
https://github.com/GSA/notifications-admin.git
synced 2026-02-05 10:53:28 -05:00
143 lines
4.5 KiB
Python
143 lines
4.5 KiB
Python
import csv
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import re
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import os
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from datetime import date
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from flask import (
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request,
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render_template,
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redirect,
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url_for,
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session,
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flash,
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current_app,
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abort
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)
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from flask_login import login_required
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from werkzeug import secure_filename
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from app.main import main
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from app.main.forms import CsvUploadForm
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from app.main.uploader import s3upload
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# TODO move this to the templates directory
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message_templates = [
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{
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'name': 'Reminder',
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'body': """
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Vehicle tax: Your vehicle tax for ((registration number)) expires on ((date)).
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Tax your vehicle at www.gov.uk/vehicle-tax
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"""
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},
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{
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'name': 'Warning',
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'body': """
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Vehicle tax: Your vehicle tax for ((registration number)) has expired.
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Tax your vehicle at www.gov.uk/vehicle-tax
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"""
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},
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]
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@main.route("/services/<int:service_id>/sms/send", methods=['GET', 'POST'])
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@login_required
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def sendsms(service_id):
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form = CsvUploadForm()
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if form.validate_on_submit():
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try:
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csv_file = form.file.data
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filename = _format_filename(csv_file.filename)
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filepath = os.path.join(current_app.config['UPLOAD_FOLDER'],
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filename)
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csv_file.save(filepath)
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_check_file(csv_file.filename, filepath)
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return redirect(url_for('.checksms',
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service_id=service_id,
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recipients=filename))
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except (IOError, ValueError) as e:
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message = 'There was a problem uploading: {}'.format(
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csv_file.filename)
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flash(message)
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if isinstance(e, ValueError):
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flash(str(e))
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os.remove(filepath)
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return redirect(url_for('.sendsms', service_id=service_id))
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return render_template('views/send-sms.html',
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message_templates=message_templates,
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form=form,
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service_id=service_id)
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@main.route("/services/<int:service_id>/sms/check", methods=['GET', 'POST'])
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@login_required
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def checksms(service_id):
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if request.method == 'GET':
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filename = request.args.get('recipients')
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if not filename:
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abort(400)
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filepath = os.path.join(current_app.config['UPLOAD_FOLDER'],
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filename)
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upload_result = _build_upload_result(filepath)
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if upload_result.get('rejects'):
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flash('There was a problem with some of the numbers')
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return render_template(
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'views/check-sms.html',
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upload_result=upload_result,
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filename=filename,
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message_template=message_templates[0]['body'],
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service_id=service_id
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)
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elif request.method == 'POST':
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filename = request.form['recipients']
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filepath = os.path.join(current_app.config['UPLOAD_FOLDER'],
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filename)
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try:
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upload_id = s3upload(filepath)
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# TODO when job is created record filename in job itself
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# so downstream pages can get the original filename that way
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session[upload_id] = filename
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return redirect(url_for('main.showjob', service_id=service_id, job_id=upload_id))
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except:
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flash('There as a problem saving the file')
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return redirect(url_for('.checksms', recipients=filename))
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def _check_file(filename, filepath):
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if os.stat(filepath).st_size == 0:
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message = 'The file {} contained no data'.format(filename)
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raise ValueError(message)
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def _format_filename(filename):
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d = date.today()
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basename, extenstion = filename.split('.')
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formatted_name = '{}_{}.csv'.format(basename, d.strftime('%Y%m%d'))
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return secure_filename(formatted_name)
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def _open(file):
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return open(file, 'r')
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def _build_upload_result(csv_file):
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try:
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file = _open(csv_file, 'r')
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pattern = re.compile(r'^\+44\s?\d{4}\s?\d{6}$')
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reader = csv.DictReader(
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file.read().splitlines(),
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lineterminator='\n',
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quoting=csv.QUOTE_NONE)
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valid, rejects = [], []
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for i, row in enumerate(reader):
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if pattern.match(row['phone']):
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valid.append(row)
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else:
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rejects.append({"line_number": i+2, "phone": row['phone']})
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return {"valid": valid, "rejects": rejects}
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finally:
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file.close()
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