277 lines
10 KiB
Python
277 lines
10 KiB
Python
import queue
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from flask import Flask, render_template, request, make_response, session
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from flask_socketio import SocketIO, join_room, leave_room #https://pythonprogramminglanguage.com/python-flask-websocket/
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from flask_session import Session
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import sqlite3
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import time
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import atexit
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import sys
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import uuid
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db_path = 'mate.db'
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conn = sqlite3.connect(db_path, check_same_thread=False)
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c = conn.cursor()
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app = Flask(__name__)
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key = str(uuid.uuid4().hex)
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app.config['SESSION_TYPE'] = 'filesystem'
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app.config['SECRET_KEY'] = key
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Session(app)
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socketio = SocketIO(app)
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status = True
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users = queue.Queue()
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finished = None
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message = None
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def exit_handler():
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conn.close()
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sys.exit("Program sucsesfully exited")
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#website
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@app.route("/")
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def index():
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return '<a href="/list">user and tag list</a> <p>The creator of this website accepts no liability for any linguistic or technical errors!</p>'
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@app.route("/list")
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def list():
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c.execute("SELECT * FROM users")
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users = c.fetchall()
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text = ""
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for i in users:
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text = text + f'<p><a href="list/user?user={i[1]}">{i[1]}</a>: {i[2]} <form action="/change" method="get"><input name="id" type="hidden" value="{i[0]}"> Change balance: <input name="change"><input type="submit"></form></p> <br style="line-height: 50%;"></br>'
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return '''<!DOCTYPE html>
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<html lang="en">
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<script src="https://cdnjs.cloudflare.com/ajax/libs/socket.io/4.0.1/socket.io.js" integrity="sha512-q/dWJ3kcmjBLU4Qc47E4A9kTB4m3wuTY7vkFJDTZKjTs8jhyGQnaUrxa0Ytd0ssMZhbNua9hE+E7Qv1j+DyZwA==" crossorigin="anonymous"></script>
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<script type="text/javascript" charset="utf-8">
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var socket = io();
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socket.on("update", function(){
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window.location="http://matekasse.server.c3h/list"
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});
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</script>
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<form action="/list/user" method="get"> Search for User: <input name="user"><input type="submit"></form>
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<form action="/adduser" method="get"><button type="submit">Add User</button></form>
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<br></br>
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''' + text + '</html>'
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@app.route("/list/user", methods=['GET'])
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def user_info():
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username = request.args.get("user")
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c.execute("SELECT * FROM users WHERE username = ?", username)
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user_list = c.fetchall()
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if user_list != []:
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user = user_list[0]
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c.execute(f"SELECT * FROM tags WHERE userid={user[0]}")
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tags = c.fetchall()
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text = ""
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for tag in tags:
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text = text + f"<p>{tag[0]}</p>"
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return f"""<!DOCTYPE html>
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<html lang="en">
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<script src="https://cdnjs.cloudflare.com/ajax/libs/socket.io/4.0.1/socket.io.js" integrity="sha512-q/dWJ3kcmjBLU4Qc47E4A9kTB4m3wuTY7vkFJDTZKjTs8jhyGQnaUrxa0Ytd0ssMZhbNua9hE+E7Qv1j+DyZwA==" crossorigin="anonymous"></script>
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<script type="text/javascript" charset="utf-8">
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var socket = io();
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""" + 'socket.on("update", function(){ window.location="http://matekasse.server.c3h/list/user?user=' + username + '"});' + f"""
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</script>
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<p> {user[1]} : {user[2]} <p>
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<form action="/addtag" method="get"><input name="id" type="hidden" value="{user[0]}"><button type="submit">Add Tag</button></form>
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<form action="/removetag" method="get"><input name="id" type="hidden" value="{user[0]}"><button type="submit">Remove Tag</button></form>
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</p><form action="/change" method="get"><input name="id" type="hidden" value="{user[0]}"> Change balance: <input name="change"><input type="submit"></form>
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</p>
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<br></br>
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<p>Tags:</p>
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{text}
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<br></br>
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<form action="/removeuser/confirmation" method="get"><input name="id" type="hidden" value="{user[0]}"><button type="submit">Remove User</button></form>
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</html>
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"""
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else:
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return "User does not exists"
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@app.route("/adduser")
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def new_user():
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return render_template("adduser.html")
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@app.route("/removeuser/confirmation", methods=['GET'])
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def confirm_remove_user():
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user_id = request.args.get("id")
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return f'Do your realy want to <a href="/removeuser?id={user_id}">remove the user</a>'
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@app.route("/removeuser", methods=['GET'])
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def remove_user():
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user_id = request.args.get("id")
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c.execute(f"SELECT * FROM users WHERE id={user_id}")
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user_name = c.fetchall()[0][1]
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c.execute(f"DELETE FROM tags WHERE userid={user_id}")
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c.execute(f"DELETE FROM users WHERE id={user_id}")
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conn.commit()
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return f'<p>Deleted user {user_name}</p><a href="/list">return to the tags and user list</a>'
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@app.route("/adduser/user", methods=['GET'])
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def adduser():
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user = request.args.get("username")
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c.execute("SELECT * FROM users WHERE username=%(user)s", {'user': user})
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if c.fetchall() == []:
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c.execute("INSERT or IGNORE INTO users (username, balance) VALUES (%(user)s, 0)", {'user': user})
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conn.commit()
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return 'Added user <a href="/list">user and tag list</a> <p>The creator of this website accepts no liability for any linguistic or technical errors!</p>'
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else:
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return '<p>User already exists</p> <a href="/list">user and tag list</a>'
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@app.route("/change", methods=['GET'])
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def change():
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user_id = int(request.args.get("id"))
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try:
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change = int(request.args.get("change"))
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except ValueError:
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return '<p>Please enter a number!</p><a href="/list">tags and user list</a>'
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c.execute(f"UPDATE users SET balance = balance + {change} WHERE id={user_id}")
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conn.commit()
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if change < 0:
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text = "removed from"
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change_text = change * -1
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elif change > 0:
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text = "added to"
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change_text = change
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elif change == 0:
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return "<p>Nothing was done!</p>"
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c.execute(f"SELECT * FROM users WHERE id={user_id}")
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user = c.fetchall()[0][1]
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return f'<p>{change_text} was {text} {user}</p> <a href="/list">back to the list</a>'
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@app.route("/addtag", methods=['GET'])
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def get_addtag_request():
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global users
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try:
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user_id = int(request.args.get("id"))
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except: #except im Normalen Code!
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return "Wrong user id!"
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session_id = uuid.uuid4()
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session[id] = session_id
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users.put([user_id, "add", session_id])
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return render_template("addtag.html", user=user_id)
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@socketio.on('addtag')
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def request_addtag(data):
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global finished
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global message
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join_room(session[id])
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if len(users.queue) > 0:
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user = users.queue[len(users.queue) - 1]
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if user == [data["data"], "add", session[id]]:
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socketio.emit("wait", "wait", to=session[id])
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i = 0
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while finished != [data["data"], "add", session[id]]:
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time.sleep(1)
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i += 1
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if i > 20:
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socketio.emit("error", "timeout", to=session[id])
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notimportant = users.get()
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break
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else:
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finished = None
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c.execute(f"SELECT * FROM users WHERE id ={user[0]}")
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username = c.fetchall()[0][1]
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if message == "Tag already exists":
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socketio.emit("finished", f"{message}")
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else:
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socketio.emit("finished", f"Added {message} to {username}", to=session[id])
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else:
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socketio.emit("busy", "busy", to=session[id])
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else:
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socketio.emit("error", "error", to=session[id])
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leave_room(session[id])
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@app.route("/removetag", methods=['GET'])
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def get_removetag_request():
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global users
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try:
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user_id = int(request.args.get("id"))
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except: #except im Normalen Code!
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return "Wrong user id!"
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session_id = uuid.uuid4()
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session[id] = session_id
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users.put([user_id, "remove", session_id])
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return render_template("removetag.html", user=user_id)
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@socketio.on('removetag')
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def request_removetag(data):
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global finished
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global message
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join_room(session[id])
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if len(users.queue) > 0:
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queue_item = users.queue[len(users.queue) - 1]
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user = queue_item[0]
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if queue_item == [data["data"], "remove", session[id]]:
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socketio.emit("wait", "wait", to=session[id])
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i = 0
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while finished != [data["data"], "remove", session[id]]:
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time.sleep(1)
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i += 1
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if i > 20:
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socketio.emit("error", "timeout", to=session[id])
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notimportant = users.get()
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break
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else:
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finished = None
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c.execute(f"SELECT * FROM users WHERE id ={user}")
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username = c.fetchall()[0][1]
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if message == "Tag does not exist":
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socketio.emit("finished", f"{message}")
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else:
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socketio.emit("finished", f"removed {message} from {username}")
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else:
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socketio.emit("busy", "busy", to=session[id])
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else:
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socketio.emit("error", "error", to=session[id])
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leave_room(session[id])
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#api
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@app.route("/api/tag_id", methods=['GET'])
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def get_id():
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global finished
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global message
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tag_id = int(request.args.get("id"))
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c.execute(f"SELECT * FROM tags WHERE tagid ={tag_id}")
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tag_list = c.fetchall()
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if users.qsize() > 0:
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queue_item = users.get()
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user = queue_item[0]
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state = queue_item[1]
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if state == "add":
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c.execute(f"SELECT * FROM tags WHERE tagid={tag_id}")
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if c.fetchall() != []:
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message = "Tag already exists"
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else:
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c.execute(f"INSERT OR IGNORE INTO tags (tagid, userid) VALUES ({tag_id}, {user})")
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message = tag_id
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elif state == "remove":
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c.execute(f"SELECT * FROM tags WHERE (tagid = {tag_id} AND userid = {user})")
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tags = c.fetchall()
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if tags != []:
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c.execute(f"DELETE FROM tags WHERE (tagid = {tag_id} AND userid = {user}) ")
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message = tag_id
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else:
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message = "Tag does not exist"
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conn.commit()
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finished = queue_item
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socketio.emit("update", "update")
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return make_response("True")
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elif tag_list != []:
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tag = tag_list[0]
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if users.qsize() == 0:
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c.execute(f"UPDATE users SET balance = balance - 1 WHERE id={tag[1]}")
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conn.commit()
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socketio.emit("update", "update")
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return make_response("True")
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socketio.emit("update", "update")
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return make_response("False")
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def main():
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atexit.register(exit_handler)
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socketio.run(app, host='0.0.0.0', port=5000)
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