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app.py
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app.py
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#!/usr/bin/env python3
import json
import datetime
from flask import Flask, render_template, request, escape, flash, redirect
from flask_sqlalchemy import SQLAlchemy
app = Flask(__name__)
app.config["SQLALCHEMY_DATABASE_URI"] = "sqlite:///database.sqlite3"
app.config["DEBUG"] = True
db = SQLAlchemy(app)
# A discord server
class Server(db.Model):
id = db.Column(db.Integer, autoincrement=True, primary_key=True)
name = db.Column(db.String(128), unique=True, nullable=False)
channels = db.relationship("Channel", back_populates="server")
messages = db.relationship("Message", back_populates="server")
def __init__(self, name):
self.name = name
# A user in a chat room team
class User(db.Model):
id = db.Column(db.Integer, autoincrement=True, primary_key=True)
discord_id = db.Column(db.String(128), unique=True, nullable=False)
name = db.Column(db.String(128))
messages = db.relationship("Message", back_populates="user")
def __init__(self, discord_id, name):
self.discord_id = discord_id
self.name = name
def permalink(self):
return f"/user/{self.id}"
def message_count(self):
return Message.query.filter_by(user=self).count()
# A channel
class Channel(db.Model):
id = db.Column(db.Integer, autoincrement=True, primary_key=True)
discord_id = db.Column(db.String(128), unique=True, nullable=False)
name = db.Column(db.String(128))
messages = db.relationship("Message", back_populates="channel")
server_id = db.Column(db.Integer, db.ForeignKey("server.id"))
server = db.relationship("Server", back_populates="channels")
def __init__(self, server, discord_id, name):
self.server = server
self.discord_id = discord_id
self.name = name
def permalink(self):
return f"/channel/{self.id}"
def message_count(self):
return Message.query.filter_by(channel=self).count()
# A message posted in a channel
class Message(db.Model):
id = db.Column(db.Integer, autoincrement=True, primary_key=True)
discord_id = db.Column(db.String(128), unique=True, nullable=False)
timestamp = db.Column(db.DateTime)
message = db.Column(db.String(4096))
attachments_json = db.Column(db.String(4096))
user_id = db.Column(db.Integer, db.ForeignKey("user.id"))
user = db.relationship("User", back_populates="messages")
channel_id = db.Column(db.Integer, db.ForeignKey("channel.id"))
channel = db.relationship("Channel", back_populates="messages")
server_id = db.Column(db.Integer, db.ForeignKey("server.id"))
server = db.relationship("Server", back_populates="messages")
def __init__(
self,
server,
discord_id,
timestamp,
message,
user,
channel,
attachments_json=None,
):
self.server = server
self.discord_id = discord_id
self.timestamp = datetime.datetime.fromtimestamp(timestamp / 1000)
self.message = message
self.user = user
self.channel = channel
if attachments_json:
self.attachments_json = attachments_json
def formatted_timestamp(self):
return self.timestamp.strftime("%b %d, %Y %I:%M:%S %p")
def permalink(self):
return f"/view/{self.id}"
def highlight(self, query):
# Make sure to escape the message here, and replace newslines with line breaks
m = str(escape(self.message)).replace("\n", "<br>\n")
# If there isn't a query, return the original message
if not query:
return m
new_m = ""
index = 0
while True:
new_index = m.lower().find(query.lower(), index)
if new_index > 0:
# Found
new_m += m[index:new_index]
new_m += f"<span class='highlight'>{m[new_index : new_index + len(query)]}</span>"
index = new_index + len(query)
else:
# Not found
new_m += m[index:]
break
return new_m
def attachments(self):
if not self.attachments_json:
return []
return json.loads(self.attachments_json)
data = None
# Get the page and per_page args from query string, as ints
def get_pagination_args():
page = request.args.get("page", 1)
per_page = request.args.get("per_page", 2000)
return (int(page), int(per_page))
@app.route("/")
def index():
servers = Server.query.all()
return render_template("index.html", servers=servers)
@app.route("/search")
def search():
q = request.args.get("q")
s = request.args.get("s", 0)
if s == "":
s = 0
page, per_page = get_pagination_args()
server = Server.query.filter_by(id=s).first()
messages = Message.query
if server:
messages = messages.filter_by(server=server)
pagination = (
messages.filter(Message.message.like(f"%{q}%"))
.order_by(Message.timestamp)
.paginate(page=page, per_page=per_page)
)
if server:
description = f"Search {server.name}: {q}"
else:
description = f"Search: {q}"
servers = Server.query.all()
pagination_link = f"/search?q={q}&s={s}"
return render_template(
"results.html",
q=q,
s=int(s),
servers=servers,
pagination=pagination,
pagination_link=pagination_link,
description=description,
)
@app.route("/view/<int:message_id>")
def view(message_id):
q = request.args.get("q")
# Look up the Message
message = Message.query.filter_by(id=message_id).first()
if not message:
flash("Invalid message")
return redirect("/")
# Find messages before and after this one
prev_messages = (
Message.query.filter_by(channel=message.channel)
.filter(Message.timestamp < message.timestamp)
.order_by(Message.timestamp.desc())
.limit(20)
.all()
)
prev_messages.reverse()
next_messages = (
Message.query.filter_by(channel=message.channel)
.filter(Message.timestamp > message.timestamp)
.order_by(Message.timestamp)
.limit(20)
.all()
)
# Create a description
description = f"Message by {message.user.name}, in {message.server.name}, #{message.channel.name}"
servers = Server.query.all()
return render_template(
"view.html",
q=q,
s=message.server.id,
channel=message.channel,
servers=servers,
description=description,
active_message_id=message.id,
message=message,
prev_messages=prev_messages,
next_messages=next_messages,
)
@app.route("/channel/<int:channel_id>")
def channel(channel_id):
page, per_page = get_pagination_args()
# Look up the Channel
channel = Channel.query.filter_by(id=channel_id).first()
if not channel:
flash("Invalid channel")
return redirect("/")
# Look up messages
pagination = (
Message.query.filter_by(channel=channel)
.order_by(Message.timestamp)
.paginate(page=page, per_page=per_page)
)
# Description
description = f"Messages in {channel.server.name}, #{channel.name}"
servers = Server.query.all()
pagination_link = f"/channel/{channel_id}?"
return render_template(
"results.html",
s=channel.server.id,
channel=channel,
servers=servers,
pagination=pagination,
pagination_link=pagination_link,
description=description,
)
@app.route("/users")
def user_list():
users = User.query.all()
servers = Server.query.all()
return render_template("user_list.html", servers=servers, users=users)
@app.route("/user/<int:user_id>")
def user(user_id):
page, per_page = get_pagination_args()
# Look up the User
user = User.query.filter_by(id=user_id).first()
if not user:
flash("Invalid user")
return redirect("/")
# Look up messages
pagination = (
Message.query.filter_by(user=user)
.order_by(Message.timestamp)
.paginate(page=page, per_page=per_page)
)
# Description
description = f"Messages from @{user.name}"
servers = Server.query.all()
pagination_link = f"/user/{user_id}?"
return render_template(
"results.html",
servers=servers,
pagination=pagination,
pagination_link=pagination_link,
description=description,
)
def main():
app.run()
if __name__ == "__main__":
main()