269 lines
8.6 KiB
Python
269 lines
8.6 KiB
Python
import re
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from dataclasses import dataclass
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from operator import or_
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from flask import render_template, request, redirect, flash
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from flask import url_for
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from flask_login import login_required, current_user
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from flask_wtf import FlaskForm
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from sqlalchemy import and_, func, case
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from wtforms import StringField, validators, ValidationError
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from app.config import EMAIL_DOMAIN, PAGE_LIMIT
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from app.dashboard.base import dashboard_bp
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from app.email_utils import parseaddr_unicode
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from app.extensions import db
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from app.log import LOG
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from app.models import Alias, Contact, EmailLog
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from app.utils import random_string
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def email_validator():
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"""validate email address. Handle both only email and email with name:
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- ab@cd.com
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- AB CD <ab@cd.com>
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"""
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message = "Invalid email format. Email must be either email@example.com or *First Last <email@example.com>*"
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def _check(form, field):
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email = field.data
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email = email.strip()
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email_part = email
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if "<" in email and ">" in email:
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if email.find("<") + 1 < email.find(">"):
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email_part = email[email.find("<") + 1 : email.find(">")].strip()
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if re.match(r"^[A-Za-z0-9\.\+_-]+@[A-Za-z0-9\._-]+\.[a-zA-Z]*$", email_part):
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return
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raise ValidationError(message)
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return _check
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class NewContactForm(FlaskForm):
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email = StringField(
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"Email", validators=[validators.DataRequired(), email_validator()]
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)
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@dataclass
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class ContactInfo(object):
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contact: Contact
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nb_forward: int
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nb_reply: int
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latest_email_log: EmailLog
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def get_contact_infos(alias: Alias, page=0, contact_id=None) -> [ContactInfo]:
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"""if contact_id is set, only return the contact info for this contact"""
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sub = (
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db.session.query(
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Contact.id,
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func.sum(case([(EmailLog.is_reply, 1)], else_=0)).label("nb_reply"),
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func.sum(
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case(
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[
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(
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and_(
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EmailLog.is_reply == False,
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EmailLog.blocked == False,
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),
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1,
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)
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],
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else_=0,
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)
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).label("nb_forward"),
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func.max(EmailLog.created_at).label("max_email_log_created_at"),
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)
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.join(
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EmailLog,
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EmailLog.contact_id == Contact.id,
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isouter=True,
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)
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.filter(Contact.alias_id == alias.id)
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.group_by(Contact.id)
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.subquery()
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)
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q = (
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db.session.query(
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Contact,
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EmailLog,
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sub.c.nb_reply,
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sub.c.nb_forward,
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)
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.join(
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EmailLog,
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EmailLog.contact_id == Contact.id,
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isouter=True,
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)
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.filter(Contact.alias_id == alias.id)
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.filter(Contact.id == sub.c.id)
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.filter(
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or_(
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EmailLog.created_at == sub.c.max_email_log_created_at,
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# no email log yet for this contact
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sub.c.max_email_log_created_at == None,
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)
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)
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)
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if contact_id:
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q = q.filter(Contact.id == contact_id)
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latest_activity = case(
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[
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(EmailLog.created_at > Contact.created_at, EmailLog.created_at),
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(EmailLog.created_at < Contact.created_at, Contact.created_at),
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],
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else_=Contact.created_at,
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)
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q = q.order_by(latest_activity.desc()).limit(PAGE_LIMIT).offset(page * PAGE_LIMIT)
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ret = []
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for contact, latest_email_log, nb_reply, nb_forward in q:
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contact_info = ContactInfo(
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contact=contact,
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nb_forward=nb_forward,
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nb_reply=nb_reply,
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latest_email_log=latest_email_log,
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)
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ret.append(contact_info)
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return ret
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@dashboard_bp.route("/alias_contact_manager/<alias_id>/", methods=["GET", "POST"])
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@login_required
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def alias_contact_manager(alias_id):
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highlight_contact_id = None
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if request.args.get("highlight_contact_id"):
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highlight_contact_id = int(request.args.get("highlight_contact_id"))
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alias = Alias.get(alias_id)
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page = 0
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if request.args.get("page"):
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page = int(request.args.get("page"))
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# sanity check
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if not alias:
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flash("You do not have access to this page", "warning")
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return redirect(url_for("dashboard.index"))
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if alias.user_id != current_user.id:
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flash("You do not have access to this page", "warning")
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return redirect(url_for("dashboard.index"))
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new_contact_form = NewContactForm()
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if request.method == "POST":
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if request.form.get("form-name") == "create":
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if new_contact_form.validate():
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contact_addr = new_contact_form.email.data.strip().lower()
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# generate a reply_email, make sure it is unique
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# not use while to avoid infinite loop
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reply_email = f"ra+{random_string(25)}@{EMAIL_DOMAIN}"
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for _ in range(1000):
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reply_email = f"ra+{random_string(25)}@{EMAIL_DOMAIN}"
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if not Contact.get_by(reply_email=reply_email):
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break
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try:
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contact_name, contact_email = parseaddr_unicode(contact_addr)
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except Exception:
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flash(f"{contact_addr} is invalid", "error")
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return redirect(
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url_for(
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"dashboard.alias_contact_manager",
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alias_id=alias_id,
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)
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)
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contact_email = contact_email.lower()
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contact = Contact.get_by(alias_id=alias.id, website_email=contact_email)
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# already been added
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if contact:
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flash(f"{contact_email} is already added", "error")
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return redirect(
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url_for(
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"dashboard.alias_contact_manager",
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alias_id=alias_id,
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highlight_contact_id=contact.id,
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)
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)
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contact = Contact.create(
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user_id=alias.user_id,
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alias_id=alias.id,
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website_email=contact_email,
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name=contact_name,
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reply_email=reply_email,
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)
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LOG.d("create reverse-alias for %s", contact_addr)
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db.session.commit()
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flash(f"Reverse alias for {contact_addr} is created", "success")
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return redirect(
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url_for(
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"dashboard.alias_contact_manager",
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alias_id=alias_id,
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highlight_contact_id=contact.id,
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)
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)
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elif request.form.get("form-name") == "delete":
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contact_id = request.form.get("contact-id")
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contact = Contact.get(contact_id)
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if not contact:
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flash("Unknown error. Refresh the page", "warning")
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return redirect(
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url_for("dashboard.alias_contact_manager", alias_id=alias_id)
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)
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elif contact.alias_id != alias.id:
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flash("You cannot delete reverse-alias", "warning")
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return redirect(
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url_for("dashboard.alias_contact_manager", alias_id=alias_id)
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)
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delete_contact_email = contact.website_email
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Contact.delete(contact_id)
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db.session.commit()
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flash(
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f"Reverse-alias for {delete_contact_email} has been deleted", "success"
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)
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return redirect(
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url_for("dashboard.alias_contact_manager", alias_id=alias_id)
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)
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contact_infos = get_contact_infos(alias, page)
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last_page = len(contact_infos) < PAGE_LIMIT
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# if highlighted contact isn't included, fetch it
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# make sure highlighted contact is at array start
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contact_ids = [contact_info.contact.id for contact_info in contact_infos]
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if highlight_contact_id not in contact_ids:
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contact_infos = (
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get_contact_infos(alias, contact_id=highlight_contact_id) + contact_infos
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)
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return render_template(
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"dashboard/alias_contact_manager.html",
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contact_infos=contact_infos,
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alias=alias,
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new_contact_form=new_contact_form,
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highlight_contact_id=highlight_contact_id,
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page=page,
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last_page=last_page,
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)
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