Initial commit

2024-01-31 19:37:01 +10:00 · 2024-01-31 19:37:01 +10:00 · d21542a9ad
parent fd28449133
commit d21542a9ad
44 changed files with 1624 additions and 0 deletions
--- a/.gitignore
+++ b/.gitignore
@ -160,3 +160,7 @@ cython_debug/
 #  option (not recommended) you can uncomment the following to ignore the entire idea folder.
 #.idea/

+*.db
+*.session
+.vscode/settings.json
+*session_journal
--- a/.vscode/launch.json
+++ b/.vscode/launch.json
@ -0,0 +1,21 @@
+{
+    "configurations": [
+        {
+            "name": "Python: Flask",
+            "type": "python",
+            "request": "launch",
+            "module": "flask",
+            "env": {
+                "FLASK_APP": "app",
+                "FLASK_DEBUG": "1"
+            },
+            "args": [
+                "run",
+                "--no-debugger",
+                "--no-reload",
+            ],
+            "jinja": true,
+            "justMyCode": true
+        }
+    ]
+}
--- a/11
+++ b/11
@ -0,0 +1,11 @@
+FROM python:3.11
+
+COPY app/ /app/
+COPY migrations/ /migrations/
+COPY paper /paper/
+
+COPY config.py config.py
+COPY make_celery.py make_celery.py
+COPY requirements.txt requirements.txt
+
+RUN pip install -r requirements.txt
--- a/app/init.py
+++ b/app/init.py
@ -0,0 +1,20 @@
+from flask import Flask
+
+from config import Config
+from app.blueprints import blueprints
+from app.extensions import db, migrate
+from app.celery import celery_init_app
+
+def create_app(config_class=Config):
+    app = Flask(__name__)
+    app.config.from_object(config_class)
+
+    db.init_app(app)
+    migrate.init_app(app)
+
+    for blueprint in blueprints:
+        app.register_blueprint(blueprint)
+    
+    celery_init_app(app)
+
+    return app
--- a/app/blueprints/init.py
+++ b/app/blueprints/init.py
@ -0,0 +1,7 @@
+from .api.routes import api
+from .frontend.routes import frontend
+
+blueprints = (
+    api,
+    frontend,
+)
--- a/app/blueprints/api/routes.py
+++ b/app/blueprints/api/routes.py
@ -0,0 +1,11 @@
+from flask import Blueprint
+
+from .tasks.routes import tasks
+from .sessions.routes import sessions
+from .users.routes import users
+
+api = Blueprint("api", __name__, url_prefix="/api")
+
+api.register_blueprint(users)
+api.register_blueprint(tasks)
+api.register_blueprint(sessions)
--- a/app/blueprints/api/sessions/routes.py
+++ b/app/blueprints/api/sessions/routes.py
@ -0,0 +1,81 @@
+from flask import Blueprint, Response, jsonify, request
+
+from app.extensions import db
+from app.models.session import Session
+from app.models.task import Task
+from paper.errors import NeedPasswordException
+from paper.parser import PaperParser
+
+sessions = Blueprint("sessions", __name__, url_prefix="/sessions")
+
+@sessions.route("/", methods=["POST"])
+async def create_session(**kwargs):
+    data = kwargs or request.json or request.form
+    data["name"] = data["name"].replace("/", "").replace("\\", "") 
+
+    session = Session.query.filter_by(name=data.get("name")).first()
+
+    if not session:
+        session = Session(
+            name=data.get("name"),
+            authorized=False
+        )
+        
+        db.session.add(session)
+    
+    response = {"status": "ok"}
+
+    async with PaperParser(data.get("name")) as parser:
+        try:
+            result = await parser.sign_in(**data)
+
+            if hasattr(result, "phone_code_hash"):
+                response = {
+                    "status": "error",
+                    "message": "Need secret code from telegram",
+                    "action": "code",
+                    "phone_hash": result.phone_code_hash,
+                }
+            else:
+                session.authorized = True
+
+        except NeedPasswordException:
+            response = {
+                "status": "error",
+                "message": "Need 2FA Password",
+                "action": "password",
+            }
+        
+        except Exception as e:
+            response = {
+                "status": "exception",
+                "message": str(e),
+            }
+        
+        finally:
+            db.session.commit()
+
+    return jsonify(response)
+
+@sessions.route("/", methods=["GET"])
+def get_sessions(**kwargs):
+    return Session.query.filter_by(authorized=True).all()
+
+@sessions.route("/<int:id>", methods=["DELETE"])
+async def remove_session(id: int):
+    session: Session = Session.query.get_or_404(id)
+    
+    if session.has_depending_tasks():
+        return 'Есть зависимые задачи', 409
+    
+    async with PaperParser(session.name) as parser:
+        try:
+            await parser.client.log_out()
+        
+        except Exception as e:
+            return Response(e, 500)
+        
+    db.session.delete(session)
+    db.session.commit()
+    
+    return Response('ok', status=200)
--- a/app/blueprints/api/tasks/handlers.py
+++ b/app/blueprints/api/tasks/handlers.py
@ -0,0 +1,27 @@
+from app.extensions import db
+from app.models.task import Task
+
+def success_state(task_id):
+    task = Task.query.filter_by(task_id=task_id).one()
+
+    task.status = "SUCCESS"
+    task.status_message = "Задача выполнена успешно"
+
+    db.session.commit()
+
+def failure_state(task_id, exception):
+    task = Task.query.filter_by(task_id=task_id).one()
+
+    task.status = "FAILURE"
+    task.status_message = f"Произошла ошибка: {str(exception)}"
+
+    db.session.commit()
+
+def run_state(task_id, task_record_id):
+    task = Task.query.get(task_record_id)
+
+    task.task_id = task_id
+    task.status = "RUNNING"
+    task.status_message = "Задача запущена"
+
+    db.session.commit()
--- a/app/blueprints/api/tasks/routes.py
+++ b/app/blueprints/api/tasks/routes.py
@ -0,0 +1,83 @@
+import uuid
+from flask import Blueprint, render_template, request
+
+from app.extensions import db
+from app.models.task import Task
+from app.models.session import Session
+
+from .tasks import send_messages_task, add_to_group_task
+
+tasks = Blueprint("tasks", __name__, url_prefix="/tasks", template_folder="templates")
+
+@tasks.route("/", methods=["GET"])
+def get_tasks():
+    tasks = Task.query.all()
+
+    return render_template("tasks_cards.j2", tasks=tasks)
+
+@tasks.route("/<int:task_id>", methods=["GET"])
+def get_task(task_id: int):
+    ...
+
+@tasks.route("/session/<int:session_id>", methods=["POST"])
+def create_task(session_id: int):
+    info = request.form
+    session = Session.query.get_or_404(session_id)
+    task =  Task(
+        name = str(uuid.uuid4()),
+        session = session,
+        status = "CREATED",
+        status_message = "Задача создана",
+        type = info.get('task'),
+        url = info.get('url'),
+        message = info.get('message'),
+        file = None
+    )
+
+    db.session.add(task)
+    db.session.commit()
+
+    start_task(task.id)
+
+    return 'Created', 200
+
+@tasks.route("/<int:task_id>", methods=["DELETE"])
+def delete_task(task_id: int):
+    task: Task = Task.query.get_or_404(task_id)
+    stop_task(task.id)
+    db.session.delete(task)
+    db.session.commit()
+    
+    return 'Deleted', 200
+
+@tasks.route("/<int:task_id>/stop", methods=["PUT"])
+def stop_task(task_id: int):
+    task = Task.query.get_or_404(task_id)
+    fn = None
+
+    match task.type:
+        case 'message':
+            fn = send_messages_task
+
+        case 'add':
+            fn = add_to_group_task
+    
+    if task.task_id:
+        task_fn = fn.AsyncResult(task.task_id)
+        task_fn.abort()
+
+    return 'Stopped', 200
+
+
+@tasks.route("/<int:task_id>/start", methods=["PUT"])
+def start_task(task_id: int):
+    task: Task = Task.query.get_or_404(task_id)
+
+    match task.type:
+        case 'message':
+            send_messages_task.delay(task_id=task_id)
+
+        case 'add':
+            add_to_group_task.delay(task_id=task_id)
+
+    return 'Started', 200
--- a/app/blueprints/api/tasks/tasks.py
+++ b/app/blueprints/api/tasks/tasks.py
@ -0,0 +1,47 @@
+import time
+
+from celery import shared_task
+import asyncio
+
+from paper.parser import PaperParser
+from app.models.task import Task
+from app.extensions import db
+from .handlers import run_state, failure_state, success_state
+
+async def add_to_group(session, task, task_self):
+    async with PaperParser(session.name) as parser:
+        await parser.invite_users(session.users, task.url, task_self)
+
+async def sending_message(session, task, task_self):
+    async with PaperParser(session.name) as parser:
+        await parser.send_messages(session.users, task.message, task.file, task_self)
+
+@shared_task(bind=True)
+def add_to_group_task(self, task_id):
+    try:
+        task: Task = Task.query.get(task_id)
+        run_state(self.request.id, task_id)
+
+        session = task.session
+    
+        time.sleep(10)
+
+        asyncio.run(
+            add_to_group(session, task, self)
+        )
+    
+    except Exception as e:
+        failure_state(self.request.id, e)
+        raise e
+    
+    else:
+        success_state(self.request.id)
+
+
+
+@shared_task(bind=True)
+def send_messages_task(self, task_id):
+    task: Task = Task.query.get(task_id)
+
+    session = task.session
+    users = session.users
--- a/app/blueprints/api/tasks/templates/tasks_cards.j2
+++ b/app/blueprints/api/tasks/templates/tasks_cards.j2
@ -0,0 +1,34 @@
+{% for task in tasks %}
+    <div data-task="{{ task.id }}" class="col mb-3">
+        <div class="card">
+            <div class="card-body">
+                <h3 class="card-title">{{ task.name }}</h3>
+                <ul class="list-group list-group-flush">
+                    <li class="list-group-item">Статус: {{ task.status }}</li>
+                    <li class="list-group-item">Сообщение: {{ task.status_message }}</li>
+                    <li class="list-group-item">Действие: {{ task.type }}</li>
+                    <li class="list-group-item">Сессия: {{ task.session.name }}</li>
+                </ul>
+            </div>
+            <div class="card-body">
+                <button
+                    hx-delete="/api/tasks/{{task.id}}"
+                    hx-swap="delete"
+                    hx-target='[data-task="{{ task.id }}"]'
+                    hx-confirm="Вы уверены, что хотите удалить эту задачу?"
+                    class="btn btn-outline-danger mt-2 mx-2"
+                >
+                    Удалить
+                </button>
+                <button hx-put="/api/tasks/{{task.id}}/stop" hx-swap="none" class="btn btn-outline-secondary mt-2 mx-2">
+                    Стоп
+                </button>
+                <button hx-put="/api/tasks/{{task.id}}/start" hx-swap="none" class="btn btn-outline-success mt-2 mx-2">
+                    Запустить
+                </button>
+            </div>
+        </div>
+    </div>
+{% else %}
+    <small id="helpId" class="form-text">Здесь ничего нет.</small>
+{% endfor %}
--- a/app/blueprints/api/users/routes.py
+++ b/app/blueprints/api/users/routes.py
@ -0,0 +1,58 @@
+from flask import Blueprint, render_template, request
+
+from app.models.session import Session
+from app.models.user import User
+from app.extensions import db
+from paper.parser import PaperParser
+
+
+users = Blueprint("users", __name__, url_prefix="/users", template_folder="templates")
+
+
+@users.route("/parse/<int:session_id>", methods=["POST"])
+async def parse_users(session_id: int):
+    session = Session.query.get_or_404(session_id)
+
+    data = request.form
+
+    async with PaperParser(session.name) as parser:
+        users = await parser.get_participants(data.get("group"))
+
+        for user in users:
+            if not user.username:
+                continue
+            
+            exists = db.session.query(User.id).filter_by(username=user.username).first()
+            if not exists:
+                db.session.add(
+                    User(
+                        first_name=user.first_name,
+                        last_name=user.last_name,
+                        username=user.username,
+                        phone=user.phone,
+                        session=session,
+                    )
+                )
+        
+        db.session.commit()
+
+        return render_template("user_cards.j2", users=session.users)
+
+
+@users.route("/<int:session_id>", methods=["GET"])
+def get_users(session_id: int):
+    users = Session.query.get_or_404(session_id).users
+
+    return render_template("user_cards.j2", users=users)
+
+@users.route("/<int:session_id>", methods=["DELETE"])
+def delete_users(session_id):
+    session: Session = Session.query.get_or_404(session_id)
+
+    if session.has_depending_tasks():
+        return 'Есть зависимые задачи', 409
+    
+    User.query.filter_by(session=session).delete()
+    db.session.commit()
+    
+    return render_template("user_cards.j2", users=[])
--- a/app/blueprints/api/users/templates/user_cards.j2
+++ b/app/blueprints/api/users/templates/user_cards.j2
@ -0,0 +1,18 @@
+{% for user in users %}
+    <div class="col mb-3">
+        <div class="card h-100">
+            <div class="card-body">
+                <h3 class="card-title">{{ user.first_name }}</h3>
+            </div>
+            <ul class="list-group list-group-flush">
+                <li class="list-group-item">{{ user.first_name }}</li>
+                <li class="list-group-item">{{ user.last_name }}</li>
+                <li class="list-group-item"><a href="https://t.me/{{ user.username }}" target=”_blank”>Open chat with @{{
+                        user.username }}</a></li>
+                <li class="list-group-item"><a href="tel:{{ user.phone }}">{{ user.phone }}</a></li>
+            </ul>
+        </div>
+    </div>
+{% else %}
+    <small id="helpId" class="form-text">Здесь ничего нет.</small>
+{% endfor %}
--- a/app/blueprints/frontend/routes.py
+++ b/app/blueprints/frontend/routes.py
@ -0,0 +1,23 @@
+from flask import Blueprint, render_template
+from app.blueprints.api.sessions.routes import get_sessions
+from app.blueprints.api.users.routes import get_users
+from app.blueprints.api.tasks.routes import get_tasks
+
+frontend = Blueprint("frontend", __name__, url_prefix="/", template_folder="templates", static_folder="static", static_url_path="/static/frontend")
+
+@frontend.route("/")
+def index():
+    sessions = get_sessions()
+    return render_template("index.j2", sessions=sessions)
+
+@frontend.route("/add")
+def add():
+    return render_template("add.j2")
+
+@frontend.route("/tasks")
+def tasks():
+    return render_template("tasks.j2", tasks_template=get_tasks())
+
+@frontend.route("/parse/<int:id>")
+def parse(id: int):
+    return render_template("parse.j2", session_id=id, users_template=get_users(id))
--- a/app/blueprints/frontend/static/add.js
+++ b/app/blueprints/frontend/static/add.js
@ -0,0 +1,115 @@
+const API_URL = window.location.origin;
+
+const nameInput = document.querySelector("#input-name");
+const phoneInput = document.querySelector("#input-phone");
+const addSessionForm = document.querySelector("#add-session-form");
+
+const openFileButton = document.querySelector("#open-file-btn");
+
+const secretCodeModal = new bootstrap.Modal('#secretCodeModal');
+const secretCodeForm = document.querySelector("#secret-code-form");
+const secretCodeInput = document.querySelector("#input-secret-code");
+
+const passwordModal = new bootstrap.Modal('#passwordModal');
+const passwordForm = document.querySelector("#password-form");
+const passwordInput = document.querySelector("#input-password");
+
+let phoneHash = "";
+
+const handleCreation = async (e) => {
+    e.preventDefault();
+
+    if (phoneInput.value == "" || nameInput.value == "") {
+        alert("Пожалуйста, заполните все поля.");
+        return;
+    }
+
+    const data = getAuthData();
+    
+    res = await fetch(`${API_URL}/api/sessions/`, {
+        method: "POST",
+        body: JSON.stringify(data),
+        headers: {
+            "Content-Type": "application/json",
+        }
+    });
+
+    result = await res.json();
+
+    switch(result.status) {
+        case "ok":
+            window.location = "/";
+            break;
+        
+        case "error":
+            handleError(result);
+            break;
+        
+        case "exception":
+            alert(`Ошибка: ${result.message}.`);
+            break;
+
+        default:
+            alert(`Неизвестная ошибка. Проверьте логи`);
+    }
+}
+
+const getAuthData = () => {
+    const inputFields = [passwordInput, secretCodeInput, nameInput, phoneInput]
+    data = {}
+    inputFields.forEach((el) => {
+        if (el.value !== "") {
+            data[el.attributes.name.value] = el.value.replace(/ /g, '');
+        }
+    })
+
+    if (phoneHash !== "")
+        data["phone_hash"] = phoneHash;
+
+    return data;
+}
+
+const handleRequest = async (fn) => {
+}
+
+const handleError = (result) => {
+    switch(result.action) {
+        case "code":
+            phoneHash = result.phone_hash;
+            secretCodeModal.show();
+            break;
+        case "password":
+            passwordModal.show();
+            break;
+    }
+} 
+
+addSessionForm.addEventListener("submit", handleCreation);
+secretCodeForm.addEventListener("submit", handleCreation);
+passwordForm.addEventListener("submit", handleCreation);
+
+
+// openFileButton.addEventListener("click", handleOpening);
+
+function handleOpening() {
+    let input = document.createElement('input');
+    input.type = 'file';
+    input.accept = ".zip";
+    input.onchange = async () => {
+        // you can use this method to get file and perform respective operations
+        let archive = Array.from(input.files)[0];
+        let formData = new FormData();
+
+        formData.append("archive", archive);
+        response = await fetch(`${API_URL}/api/save_session_file.php`, { method: "POST", body: formData });
+
+        if (response.status == "201") {
+            window.location = "/"
+        } else {
+            const error_text = await response.text();
+            const error_status = await response.status;
+            alert(`${error_status}: ${error_text}`);
+        }
+    };
+    input.click();
+}
--- a/app/blueprints/frontend/templates/add.j2
+++ b/app/blueprints/frontend/templates/add.j2
@ -0,0 +1,105 @@
+{% extends "base.j2" %}
+
+{% block title %}
+PaperParser: Вход в аккаунт
+{% endblock title %}
+
+{% block main %}
+<div class="container ">
+    <!-- Modal Body -->
+    <!-- if you want to close by clicking outside the modal, delete the last endpoint:data-bs-backdrop and data-bs-keyboard -->
+    <div class="modal fade" id="secretCodeModal" tabindex="-1" data-bs-backdrop="static" data-bs-keyboard="false"
+        role="dialog" aria-labelledby="modalTitleId" aria-hidden="true">
+        <div class="modal-dialog modal-dialog-scrollable modal-dialog-centered modal-lg" role="document">
+            <div class="modal-content">
+                <form action="" id="secret-code-form">
+                    <div class="modal-header">
+                        <h5 class="modal-title" id="modalTitleId">Введите секретный код</h5>
+                        <button type="button" class="btn-close" data-bs-dismiss="modal" aria-label="Close"></button>
+                    </div>
+                    <div class="modal-body">
+                        <div class="mb-3">
+                            <div class="form-floating mb-3">
+                                <input type="text" name="code" id="input-secret-code" class="form-control"
+                                    placeholder="Секретный код">
+                                <label for="input-secret-code">Секретный код</label>
+                            </div>
+                            <small id="helpId" class="form-text">
+                                Вы должны были получить 6-ти значный код в вашем
+                                аккаунте. Если это не так, обратитесь к администратору, проверьте логи и вывод прокси
+                                сервера.
+                            </small>
+                        </div>
+                    </div>
+                    <div class="modal-footer">
+                        <button type="submit" class="btn btn-primary">Подтвердить</button>
+                    </div>
+                </form>
+            </div>
+        </div>
+    </div>
+
+    <div class="modal fade" id="passwordModal" tabindex="-1" data-bs-backdrop="static" data-bs-keyboard="false"
+        role="dialog" aria-labelledby="modalTitleId" aria-hidden="true">
+        <div class="modal-dialog modal-dialog-scrollable modal-dialog-centered modal-lg" role="document">
+            <div class="modal-content">
+                <form action="" id="password-form">
+                    <div class="modal-header">
+                        <h5 class="modal-title" id="modalTitleId">Введите пароль</h5>
+                        <button type="button" class="btn-close" data-bs-dismiss="modal" aria-label="Close"></button>
+                    </div>
+                    <div class="modal-body">
+                        <div class="mb-3">
+                            <div class="form-floating mb-3">
+                                <input type="text" name="password" id="input-password" class="form-control"
+                                    placeholder="Пароль">
+                                <label for="input-password">Пароль</label>
+                            </div>
+                            <small id="helpId" class="form-text">Введите пароль двухфакторной аутентификации. Если у акаунта его нет, да поможет вам бог.</small>
+                        </div>
+                    </div>
+                    <div class="modal-footer">
+                        <button type="submit" class="btn btn-primary">Подтвердить</button>
+                    </div>
+                </form>
+            </div>
+        </div>
+    </div>
+
+    <form action="" id="add-session-form">
+
+        <!-- Telegram Account Info -->
+
+        <div class="mb-3">
+            <label for="" class="form-label">Данные телеграм аккаунта</label>
+            <div class="row row-cols-1 row-cols-sm-2">
+                <div class="col">
+                    <div class="form-floating mb-3">
+                        <input type="text" name="name" id="input-name" class="form-control" placeholder="Имя">
+                        <label for="input-name">название сессии</label>
+                    </div>
+                </div>
+                <div class="col">
+                    <div class="form-floating mb-3">
+                        <input type="phone" name="phone" id="input-phone" class="form-control" placeholder="Phone">
+                        <label for="input-phone">Номер телефона</label>
+                    </div>
+                </div>
+            </div>
+        </div>
+
+        <button type="submit" class="btn btn-primary">Отправить код</button>
+    </form>
+    <hr>
+    <form action="/api/sessions/file" method="POST">
+        <label for="open-file-btn" class="form-label">Архив с аккаунтом (или .session файл)</label>
+        <div class="mb-3">
+            <button id="open-file-btn" type="submit" class="btn btn-secondary mt-3 disabled">Открыть файл</button>
+        </div>
+    </form>
+</div>
+{% endblock main %}
+
+{% block scripts %}
+    <script src="{{ url_for('static', filename='frontend/add.js') }}"></script>
+{% endblock scripts %}
--- a/app/blueprints/frontend/templates/base.j2
+++ b/app/blueprints/frontend/templates/base.j2
@ -0,0 +1,64 @@
+<!doctype html>
+<html lang="en">
+
+<head>
+    <title>{% block title %}{% endblock %}</title>
+    <!-- Required meta tags -->
+    <meta charset="utf-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
+
+    <!-- Bootstrap CSS v5.2.1 -->
+    <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.2.1/dist/css/bootstrap.min.css" rel="stylesheet"
+        integrity="sha384-iYQeCzEYFbKjA/T2uDLTpkwGzCiq6soy8tYaI1GyVh/UjpbCx/TYkiZhlZB6+fzT" crossorigin="anonymous">
+    
+    <link rel="shortcut icon" href="{{ url_for('static', filename='favicon.ico') }}">
+</head>
+
+<body class="d-flex flex-column min-vh-100">
+    <header>
+        <!-- place navbar here -->
+        <nav class="navbar navbar-expand-sm navbar-light bg-light mb-3">
+            <div class="container justify-content-beetwen">
+                <a class="navbar-brand" href="/">PaperParser</a>
+                <ul class="nav">
+                    <li><a class="nav-link" href="/tasks">Задачи</a></li>
+                    <li><a class="btn btn-outline-success" href="/add" role="button">Войти</a></li>
+                </ul>
+            </div>
+        </nav>
+    </header>
+    <main>
+        {% block main %}
+        
+        {% endblock %}
+    </main>
+
+
+    <footer class="container mt-auto">
+        <div class="d-flex flex-wrap justify-content-between align-items-center py-3 my-4 border-top">
+            <p class="col-md-4 mb-0 text-body-secondary">Anatoly "wineT" Bogomolov</p>
+
+            <ul class="nav col-md-4 justify-content-end">
+                <li class="nav-item"><a href="https://t.me/AnatolyFL" class="nav-link px-2 text-body-secondary">Telegram</a></li>
+                <li class="nav-item"><a href="https://mastodon.ml/@winet" class="nav-link px-2 text-body-secondary">Mastodon</a></li>
+                <li class="nav-item"><a href="#" class="nav-link px-2 text-body-secondary">Project on Gitiea</a></li>
+            </ul>
+        </div>
+    </footer>
+  
+
+    <!-- Bootstrap JavaScript Libraries -->
+    <script src="https://cdn.jsdelivr.net/npm/@popperjs/core@2.11.6/dist/umd/popper.min.js"
+        integrity="sha384-oBqDVmMz9ATKxIep9tiCxS/Z9fNfEXiDAYTujMAeBAsjFuCZSmKbSSUnQlmh/jp3" crossorigin="anonymous">
+    </script>
+
+    <script src="https://cdn.jsdelivr.net/npm/bootstrap@5.2.1/dist/js/bootstrap.min.js"
+        integrity="sha384-7VPbUDkoPSGFnVtYi0QogXtr74QeVeeIs99Qfg5YCF+TidwNdjvaKZX19NZ/e6oz" crossorigin="anonymous">
+    </script>
+    
+    <script src="https://unpkg.com/htmx.org@1.9.10" integrity="sha384-D1Kt99CQMDuVetoL1lrYwg5t+9QdHe7NLX/SoJYkXDFfX37iInKRy5xLSi8nO7UC" crossorigin="anonymous"></script>
+    
+    {% block scripts %}
+    {% endblock %}
+</body>
+</html>
--- a/app/blueprints/frontend/templates/index.j2
+++ b/app/blueprints/frontend/templates/index.j2
@ -0,0 +1,38 @@
+{% extends "base.j2" %}
+
+{% block title %}
+PaperParser: Главная
+{% endblock title %}
+
+{% block main %}
+<div class="container">
+  <div id="cards-grid" class="row row-cols-1 row-cols-sm-2 row-cols-md-3 row-cols-lg-4">
+
+    {% for session in sessions %}
+    <div class="col mb-3" data-session="{{ session.name }}">
+      <div class="card">
+        <div class="card-body">
+          <h3 class="card-title">{{ session.name }}</h3>
+        </div>
+        <div class="card-footer">
+            <a href="/parse/{{ session.id }}" class="btn btn-outline-primary mt-2">
+              Использовать
+            </a>
+            
+            <button
+              hx-delete="/api/sessions/{{ session.id }}"
+              hx-swap="delete"
+              hx-target='[data-session="{{ session.name }}"]'
+              hx-confirm="Вы уверены, что хотите удалить эту сессию?"
+              class="btn btn-outline-danger mt-2 mx-2"
+            >  
+              Удалить
+            </button>
+        </div>
+      </div>
+    </div>
+    {% endfor %}
+
+  </div>
+</div>
+{% endblock main %}
--- a/app/blueprints/frontend/templates/parse.j2
+++ b/app/blueprints/frontend/templates/parse.j2
@ -0,0 +1,101 @@
+{% extends "base.j2" %}
+
+{% block title %}
+PaperParser: Парсинг
+{% endblock title %}
+
+{% block main %}
+<div class="container">
+    <!-- Actions -->
+    <section id="actions-section" class="mb-3">
+        <div class="separator">
+            <h2>Действия</h2>
+            <hr class="divider">
+        </div>
+        <section id="actions-parse-add-section">
+            <label for="" class="form-label">Парсинг пользователей и добавление в группу</label>
+            <div class="row row-cols-1 row-cols-sm-2">
+                <div class="col mb-3">
+                    <form hx-post="/api/users/parse/{{session_id}}" hx-swap="innerHTML" hx-target="#cards-grid" hx-indicator="#loading-spinner" class="input-group" id="group-from-form">
+                        <div class="form-floating">
+                            <input type="text" class="form-control" name="group" id="group-from-input"
+                                placeholder="Группа для парсинга">
+                            <label for="group-from-input">Группа для парсинга</label>
+                        </div>
+                        <button type="submit" class="btn btn-outline-primary">Спарсить</button>
+                    </form>
+                </div>
+                <div class="col mb-3">
+                    <form hx-post="/api/tasks/session/{{session_id}}" hx-swap="none" hx-indicator="#loading-spinner" class="input-group" id="group-to-form">
+                        <div class="form-floating">
+                            <input type="text" name="url" class="form-control" id="group-to-input"
+                                placeholder="Группа, в которую нужно добавить">
+                            <label for="group-to-input">Группа для добавления</label>
+                        </div>
+                        <button type="submit" name="task" value="add" class="btn btn-outline-secondary">Добавить</button>
+                    </form>
+                </div>
+            </div>
+        </section>
+
+        <section id="actions-message-section">
+            <form hx-post="/api/tasks/session/{{session_id}}" hx-swap="none" hx-indicator="#loading-spinner" id="message-form">
+                <label for="" class="form-label">Сообщение для пользователей</label>
+                <div class="row row-cols-1 row-cols-sm-2">
+                    <div class="col">
+                        <div class="mb-3">
+                            <textarea class="form-control" name="message" rows="8" id="message-textarea"
+                                placeholder="Напишите здесь своё сообщение"></textarea>
+                        </div>
+                    </div>
+                    <div class="col">
+                        <div class="mb-3">
+                            <label for="formFile" class="form-label">Выберите изображение</label>
+                            <input class="form-control" name="file" type="file" id="picture-file-input">
+                        </div>
+                        <div class="mb-3">
+                            <button type="submit" name="task" value="message" class="btn btn-outline-primary" style="width: 100%;">
+                                Отправить сообщение
+                            </button>
+                        </div>
+                    </div>
+                </div>
+            </form>
+        </section>
+    </section>
+
+    <!-- Users -->
+    <section id="users-section" class="mb-3">
+        <div id="separator">
+            <div class="d-flex justify-content-between">
+                <div class="d-flex gap-2 align-items-center">
+                    <h2 style="margin-bottom: 0;">Пользователи</h2>
+                    <div class="spinner-container htmx-indicator" id="loading-spinner">
+                        <div class="spinner-border" role="status">
+                            <span class="visually-hidden">Loading...</span>
+                        </div>
+                    </div>
+                </div>
+                <div>
+                    <button class="btn btn-outline-primary disabled" onClick="exportToCSV()">Экспорт</button>
+                    <button 
+                        class="btn btn-outline-danger"
+                        hx-delete="/api/users/{{session_id}}"
+                        hx-swap="innerHTML"
+                        hx-target="#cards-grid"
+                        hx-confirm="Вы уверены, что хотите удалить пользователей для этой сессии?"
+                        hx-indicator="#loading-spinner"
+                    >
+                        Удалить
+                    </button>
+                </div>
+
+            </div>
+            <hr class="divider">
+        </div>
+        <div id="cards-grid" class="row row-cols-1 row-cols-sm-2 row-cols-md-3 row-cols-lg-4">
+            {{ users_template }}
+        </div>
+    </section>
+</div>
+{% endblock main %}
--- a/app/blueprints/frontend/templates/tasks.j2
+++ b/app/blueprints/frontend/templates/tasks.j2
@ -0,0 +1,16 @@
+{% extends "base.j2" %}
+
+{% block title %}
+    PaperParser: Заадчи
+{% endblock title %}
+
+{% block main %}
+    <div class="container">
+      <div class="separator">
+        <h2>Задачи</h2>
+        <hr class="divider">
+    </div>
+    <div id="cards-grid" class="row row-cols-1 row-cols-sm-2 row-cols-md-3 row-cols-lg-4">
+        {{ tasks_template }}
+    </div>
+{% endblock main %}
--- a/app/celery.py
+++ b/app/celery.py
@ -0,0 +1,18 @@
+from flask import Flask
+from celery import Celery
+from celery.contrib.abortable import AbortableTask
+from app.blueprints.api.tasks.handlers import *
+
+def celery_init_app(app: Flask) -> Celery:
+    class FlaskTask(AbortableTask):
+        def __call__(self, *args: object, **kwargs: object) -> object:
+            with app.app_context():
+                return self.run(*args, **kwargs)
+
+    celery_app = Celery(app.name, task_cls=FlaskTask)
+
+    celery_app.config_from_object(app.config["CELERY"])
+    celery_app.set_default()
+    app.extensions["celery"] = celery_app
+    return celery_app
+ 
--- a/app/extensions.py
+++ b/app/extensions.py
@ -0,0 +1,5 @@
+from flask_sqlalchemy import SQLAlchemy
+from flask_migrate import Migrate
+
+db = SQLAlchemy()
+migrate = Migrate(db=db)
--- a/app/models/session.py
+++ b/app/models/session.py
@ -0,0 +1,24 @@
+from typing import List
+from sqlalchemy.orm import Mapped, mapped_column, relationship
+
+from app.models.task import Task
+from app.models.user import User
+from app.extensions import db
+
+class Session(db.Model):
+    id: Mapped[int] = mapped_column(primary_key=True)
+    name: Mapped[str] = mapped_column(unique=True)
+
+    authorized: Mapped[bool]
+    users: Mapped[List[User]] = relationship("User", back_populates="session")
+
+    tasks: Mapped[List[Task]] = relationship("Task", back_populates="session")
+
+    def has_depending_tasks(self):
+        tasks = Task.query \
+            .filter_by(session_id=self.id) \
+            .filter((Task.status == "RUNNING") | (Task.status == "RUNNING")) \
+            .all()
+
+        return len(tasks) > 0
+        
--- a/app/models/task.py
+++ b/app/models/task.py
@ -0,0 +1,20 @@
+from sqlalchemy import Integer
+from sqlalchemy.schema import Column, ForeignKey
+from sqlalchemy.orm import Mapped, mapped_column, relationship
+from app.extensions import db
+
+class Task(db.Model):
+    id: Mapped[int] = mapped_column(primary_key=True)
+    task_id: Mapped[str] = mapped_column(nullable=True)
+
+    name: Mapped[str] = mapped_column(unique=True)
+
+    session_id = Column(Integer, ForeignKey("session.id"))
+    session: Mapped['Session'] = relationship("Session", back_populates="tasks")
+    status: Mapped[str]
+    status_message: Mapped[str]
+    type: Mapped[str]
+    
+    url: Mapped[str] = mapped_column(nullable=True)
+    message: Mapped[str] = mapped_column(nullable=True)
+    file: Mapped[str] = mapped_column(nullable=True)
--- a/app/models/user.py
+++ b/app/models/user.py
@ -0,0 +1,19 @@
+from sqlalchemy import Integer
+from sqlalchemy.schema import (
+    Column,
+    ForeignKey,
+)
+from sqlalchemy.orm import Mapped, mapped_column, relationship
+
+from app.extensions import db
+
+class User(db.Model):
+    id: Mapped[int] = mapped_column(primary_key=True)
+    first_name: Mapped[str] = mapped_column(nullable=True)
+    last_name: Mapped[str] = mapped_column(nullable=True)
+
+    phone: Mapped[str] = mapped_column(nullable=True, unique=True)
+    username: Mapped[str] = mapped_column(nullable=True, unique=True)
+    
+    session_id = Column(Integer, ForeignKey("session.id"))
+    session: Mapped["Session"] = relationship("Session", back_populates="users") 
--- a/app/static/favicon.ico
+++ b/app/static/favicon.ico
--- a/app/utils/init.py
+++ b/app/utils/init.py
@ -0,0 +1,15 @@
+import asyncio
+import functools
+
+def to_sync_task(func):
+    @functools.wraps(func)
+    def wrapper(*args, **kwargs):
+        try:
+            loop = asyncio.get_event_loop()
+        except RuntimeError:
+            loop = asyncio.new_event_loop()
+            asyncio.set_event_loop(loop)
+            loop.run_forever()
+        return loop.run_until_complete(func(*args, **kwargs))
+
+    return wrapper
--- a/config.py
+++ b/config.py
@ -0,0 +1,14 @@
+import os
+
+basedir = os.path.abspath(os.path.dirname(__file__))
+
+class Config:
+    SECRET_KEY = os.environ.get('SECRET_KEY')
+    SQLALCHEMY_DATABASE_URI = f"postgresql://{os.environ.get('POSTGRES_USER')}:{os.environ.get('POSTGRES_PASSWORD')}@postgres/{os.environ.get('POSTGRES_DB')}"
+    SQLALCHEMY_TRACK_MODIFICATIONS = False
+    CELERY = dict(
+        broker_url="redis://redis/0",
+        result_backend="redis://redis/0",
+        task_ignore_result=True,
+    )
+
--- a/docker-compose.yml
+++ b/docker-compose.yml
@ -0,0 +1,29 @@
+services:
+  redis:
+    image: redis:7
+    
+  postgres:
+    env_file:
+      - .env
+    image: postgres:16
+  
+  celery:
+    build:
+      context: .
+    env_file:
+      - .env
+    command: celery -A make_celery worker --loglevel INFO
+    depends_on:
+      - redis
+
+  web:
+    build:
+      context: .
+    env_file:
+      - .env
+    command: gunicorn --bind 0.0.0.0:5000 "app:create_app()"
+    ports:
+      - 5000:5000
+    depends_on:
+      - celery
+      - postgres
--- a/example.env
+++ b/example.env
@ -0,0 +1,4 @@
+FLASK_APP=
+POSTGRES_USER=
+POSTGRES_PASSWORD=
+POSTGRES_DB=
--- a/make_celery.py
+++ b/make_celery.py
@ -0,0 +1,4 @@
+from app import create_app
+
+flask_app = create_app()
+celery_app = flask_app.extensions['celery']
--- a/migrations/README
+++ b/migrations/README
@ -0,0 +1 @@
+Single-database configuration for Flask.
--- a/migrations/alembic.ini
+++ b/migrations/alembic.ini
@ -0,0 +1,50 @@
+# A generic, single database configuration.
+
+[alembic]
+# template used to generate migration files
+# file_template = %%(rev)s_%%(slug)s
+
+# set to 'true' to run the environment during
+# the 'revision' command, regardless of autogenerate
+# revision_environment = false
+
+
+# Logging configuration
+[loggers]
+keys = root,sqlalchemy,alembic,flask_migrate
+
+[handlers]
+keys = console
+
+[formatters]
+keys = generic
+
+[logger_root]
+level = WARN
+handlers = console
+qualname =
+
+[logger_sqlalchemy]
+level = WARN
+handlers =
+qualname = sqlalchemy.engine
+
+[logger_alembic]
+level = INFO
+handlers =
+qualname = alembic
+
+[logger_flask_migrate]
+level = INFO
+handlers =
+qualname = flask_migrate
+
+[handler_console]
+class = StreamHandler
+args = (sys.stderr,)
+level = NOTSET
+formatter = generic
+
+[formatter_generic]
+format = %(levelname)-5.5s [%(name)s] %(message)s
+datefmt = %H:%M:%S
--- a/migrations/env.py
+++ b/migrations/env.py
@ -0,0 +1,113 @@
+import logging
+from logging.config import fileConfig
+
+from flask import current_app
+
+from alembic import context
+
+# this is the Alembic Config object, which provides
+# access to the values within the .ini file in use.
+config = context.config
+
+# Interpret the config file for Python logging.
+# This line sets up loggers basically.
+fileConfig(config.config_file_name)
+logger = logging.getLogger('alembic.env')
+
+
+def get_engine():
+    try:
+        # this works with Flask-SQLAlchemy<3 and Alchemical
+        return current_app.extensions['migrate'].db.get_engine()
+    except (TypeError, AttributeError):
+        # this works with Flask-SQLAlchemy>=3
+        return current_app.extensions['migrate'].db.engine
+
+
+def get_engine_url():
+    try:
+        return get_engine().url.render_as_string(hide_password=False).replace(
+            '%', '%%')
+    except AttributeError:
+        return str(get_engine().url).replace('%', '%%')
+
+
+# add your model's MetaData object here
+# for 'autogenerate' support
+# from myapp import mymodel
+# target_metadata = mymodel.Base.metadata
+config.set_main_option('sqlalchemy.url', get_engine_url())
+target_db = current_app.extensions['migrate'].db
+
+# other values from the config, defined by the needs of env.py,
+# can be acquired:
+# my_important_option = config.get_main_option("my_important_option")
+# ... etc.
+
+
+def get_metadata():
+    if hasattr(target_db, 'metadatas'):
+        return target_db.metadatas[None]
+    return target_db.metadata
+
+
+def run_migrations_offline():
+    """Run migrations in 'offline' mode.
+
+    This configures the context with just a URL
+    and not an Engine, though an Engine is acceptable
+    here as well.  By skipping the Engine creation
+    we don't even need a DBAPI to be available.
+
+    Calls to context.execute() here emit the given string to the
+    script output.
+
+    """
+    url = config.get_main_option("sqlalchemy.url")
+    context.configure(
+        url=url, target_metadata=get_metadata(), literal_binds=True
+    )
+
+    with context.begin_transaction():
+        context.run_migrations()
+
+
+def run_migrations_online():
+    """Run migrations in 'online' mode.
+
+    In this scenario we need to create an Engine
+    and associate a connection with the context.
+
+    """
+
+    # this callback is used to prevent an auto-migration from being generated
+    # when there are no changes to the schema
+    # reference: http://alembic.zzzcomputing.com/en/latest/cookbook.html
+    def process_revision_directives(context, revision, directives):
+        if getattr(config.cmd_opts, 'autogenerate', False):
+            script = directives[0]
+            if script.upgrade_ops.is_empty():
+                directives[:] = []
+                logger.info('No changes in schema detected.')
+
+    conf_args = current_app.extensions['migrate'].configure_args
+    if conf_args.get("process_revision_directives") is None:
+        conf_args["process_revision_directives"] = process_revision_directives
+
+    connectable = get_engine()
+
+    with connectable.connect() as connection:
+        context.configure(
+            connection=connection,
+            target_metadata=get_metadata(),
+            **conf_args
+        )
+
+        with context.begin_transaction():
+            context.run_migrations()
+
+
+if context.is_offline_mode():
+    run_migrations_offline()
+else:
+    run_migrations_online()
--- a/migrations/script.py.mako
+++ b/migrations/script.py.mako
@ -0,0 +1,24 @@
+"""${message}
+
+Revision ID: ${up_revision}
+Revises: ${down_revision | comma,n}
+Create Date: ${create_date}
+
+"""
+from alembic import op
+import sqlalchemy as sa
+${imports if imports else ""}
+
+# revision identifiers, used by Alembic.
+revision = ${repr(up_revision)}
+down_revision = ${repr(down_revision)}
+branch_labels = ${repr(branch_labels)}
+depends_on = ${repr(depends_on)}
+
+
+def upgrade():
+    ${upgrades if upgrades else "pass"}
+
+
+def downgrade():
+    ${downgrades if downgrades else "pass"}
--- a/migrations/versions/31cd88d78cb4_innitial_commit.py
+++ b/migrations/versions/31cd88d78cb4_innitial_commit.py
@ -0,0 +1,47 @@
+"""Innitial commit
+
+Revision ID: 31cd88d78cb4
+Revises: 
+Create Date: 2024-01-21 14:31:12.188455
+
+"""
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision = '31cd88d78cb4'
+down_revision = None
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.create_table('session',
+    sa.Column('id', sa.Integer(), nullable=False),
+    sa.Column('name', sa.String(), nullable=False),
+    sa.Column('authorized', sa.Boolean(), nullable=False),
+    sa.PrimaryKeyConstraint('id'),
+    sa.UniqueConstraint('name')
+    )
+    op.create_table('user',
+    sa.Column('id', sa.Integer(), nullable=False),
+    sa.Column('first_name', sa.String(), nullable=True),
+    sa.Column('last_name', sa.String(), nullable=True),
+    sa.Column('phone', sa.String(), nullable=True),
+    sa.Column('username', sa.String(), nullable=True),
+    sa.Column('session_id', sa.Integer(), nullable=True),
+    sa.ForeignKeyConstraint(['session_id'], ['session.id'], ),
+    sa.PrimaryKeyConstraint('id'),
+    sa.UniqueConstraint('phone'),
+    sa.UniqueConstraint('username')
+    )
+    # ### end Alembic commands ###
+
+
+def downgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.drop_table('user')
+    op.drop_table('session')
+    # ### end Alembic commands ###
--- a/migrations/versions/af22ea98e0da_deleted_json_filed.py
+++ b/migrations/versions/af22ea98e0da_deleted_json_filed.py
@ -0,0 +1,42 @@
+"""Deleted json filed
+
+Revision ID: af22ea98e0da
+Revises: 31cd88d78cb4
+Create Date: 2024-01-22 02:14:59.504400
+
+"""
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision = 'af22ea98e0da'
+down_revision = '31cd88d78cb4'
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.create_table('task',
+    sa.Column('id', sa.Integer(), nullable=False),
+    sa.Column('task_id', sa.String(), nullable=True),
+    sa.Column('name', sa.String(), nullable=False),
+    sa.Column('session_id', sa.Integer(), nullable=True),
+    sa.Column('status', sa.String(), nullable=False),
+    sa.Column('status_message', sa.String(), nullable=False),
+    sa.Column('type', sa.String(), nullable=False),
+    sa.Column('url', sa.String(), nullable=True),
+    sa.Column('message', sa.String(), nullable=True),
+    sa.Column('file', sa.String(), nullable=True),
+    sa.ForeignKeyConstraint(['session_id'], ['session.id'], ),
+    sa.PrimaryKeyConstraint('id'),
+    sa.UniqueConstraint('name')
+    )
+    # ### end Alembic commands ###
+
+
+def downgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.drop_table('task')
+    # ### end Alembic commands ###
--- a/paper/init.py
+++ b/paper/init.py
--- a/paper/client.py
+++ b/paper/client.py
@ -0,0 +1,103 @@
+from loguru import logger
+
+from opentele.tl import TelegramClient
+from opentele.api import API
+
+from telethon.tl.functions.channels import InviteToChannelRequest, JoinChannelRequest
+from telethon.tl.functions.messages import AddChatUserRequest
+
+# Types
+from telethon.hints import (Entity, EntityLike, MessageLike)
+from telethon.types import Channel, Chat, User
+from telethon.sessions.abstract import Session
+
+from paper.errors import *
+from telethon.errors.rpcerrorlist import (
+    ChatAdminRequiredError,
+    UserPrivacyRestrictedError,
+    UserNotMutualContactError,
+    ChannelPrivateError,
+    ChatWriteForbiddenError,
+    PeerFloodError,
+    FloodWaitError,
+    UsersTooMuchError,
+    UserChannelsTooMuchError,
+    UserIsBlockedError,
+    YouBlockedUserError
+)
+
+class PaperClient(TelegramClient):
+    def __init__(self, session: str | Session) -> None:
+        api = API.TelegramAndroid.Generate("paper")
+        super().__init__(session, api)
+    
+    async def invite_self(self, group: Entity | EntityLike):
+        group = await self.__cast_to_entity(group)
+
+        if isinstance(group, Channel):
+            await self(JoinChannelRequest(group))
+            logger.info(f"Added self to a channel {group.title}")
+    
+    @logger.catch(reraise=True)
+    async def invite_user(self, user: Entity | EntityLike, group: Entity | EntityLike):
+        user, group = await self.__cast_to_entity(user), await self.__cast_to_entity(group)
+        
+        try:
+            if isinstance(group, Channel) and isinstance(user, User):
+                await self(InviteToChannelRequest(group, [user]))  # type: ignore
+                logger.info(f"User {user} was added to channel {group.title}")
+
+            elif isinstance(group, Chat) and isinstance(user, User):
+                await self(AddChatUserRequest(group, user, 30))  # type: ignore
+                logger.info(f"User {user} was added to chat {group.title}")
+
+            else:
+                logger.warning(f"Can't determine group type for {group}. Skipping...")
+
+        except (UserPrivacyRestrictedError, UserNotMutualContactError) as e:
+            raise UserPrivacyException(e)
+        
+        except (ChatWriteForbiddenError, ChannelPrivateError, ChatAdminRequiredError) as e:
+            raise AdminPrivilegesExceptions(e)
+        
+        except (PeerFloodError, FloodWaitError) as e:
+            raise FloodException(e)
+        
+        except (UserChannelsTooMuchError, UsersTooMuchError, UserIsBlockedError, YouBlockedUserError) as e:
+            raise IgnoreException(e)
+    
+    @logger.catch(reraise=True)
+    async def send_message(self, entity: Entity | EntityLike, message: str, file: str | None):
+        entity = await self.__cast_to_entity(entity)
+
+        try:
+            return await super().send_message(entity, message=message, file=file) #type: ignore
+
+        except (UserPrivacyRestrictedError, UserNotMutualContactError) as e:
+            raise UserPrivacyException(e)
+        
+        except (ChatWriteForbiddenError, ChannelPrivateError, ChatAdminRequiredError) as e:
+            raise AdminPrivilegesExceptions(e)
+        
+        except (PeerFloodError, FloodWaitError) as e:
+            raise FloodException(e)
+        
+        except (UserChannelsTooMuchError, UsersTooMuchError, UserIsBlockedError, YouBlockedUserError) as e:
+            raise IgnoreException(e)
+        
+
+    @logger.catch(reraise=True)
+    async def get_participants(self, group: Entity | EntityLike, *args, **kwargs):
+        group = await self.__cast_to_entity(group)
+        
+        return await super().get_participants(group, *args, **kwargs)
+
+    async def __cast_to_entity(self, entity: Entity | EntityLike) -> Entity:
+        if not isinstance(entity, Entity):
+            if hasattr(entity, "username"):
+                entity = await self.get_entity(entity.username)
+            else:
+                entity = await self.get_entity(entity)
+
+        return entity  # type: ignore
+
--- a/paper/errors/init.py
+++ b/paper/errors/init.py
@ -0,0 +1,40 @@
+class UserPrivacyException(Exception):
+    """Occurs when user's privacy setting doesn't allow certain actions (e.g., inviting to a channel, sending a message)"""
+    def __init__(self, error: Exception, *args: object) -> None:
+        self.error = error
+        
+        self.message = f"Can't do action due to user's privacy settings"
+        super().__init__(self.message, *args)
+
+class AdminPrivilegesExceptions(Exception):
+    """Occurs when administrator privileges are required to perform a certain action (e.g., channel invitations, user parsing)"""
+    def __init__(self, error: Exception, *args: object) -> None:
+        self.error = error
+
+        self.message = f"Administrator privileges are required to perform the action."
+        super().__init__(self.message, *args)
+
+class FloodException(Exception):
+    def __init__(self, error, *args: object):
+        self.error = error
+        self.seconds = self.error.seconds if hasattr(self.error, "seconds") else -1 #type: ignore
+        
+        super().__init__(*args)
+
+class IgnoreException(Exception):
+    def __init__(self, error, *args):
+        self.error = error
+
+        super().__init__(*args)
+
+class TooMuchException(Exception):
+    def __init__(self, error, *args):
+        self.error = error
+        
+        super().__init__(*args)
+
+class NeedPasswordException(Exception):
+    def __init__(self, *args):
+        self.message = "Need password"
+
+        super().__init__(self.message, *args)
--- a/paper/models.py
+++ b/paper/models.py
@ -0,0 +1,13 @@
+from dataclasses import dataclass
+
+from paper.utils.classes import DataclassBase
+
+dataclass(init=False)
+class Message(DataclassBase):
+    text: str = ''
+    images: None | list[str] = None
+
+    force_document: bool = False
+
+    def exists(self):
+        return self.text or self.images
--- a/paper/parser.py
+++ b/paper/parser.py
@ -0,0 +1,92 @@
+import asyncio
+import os
+
+from loguru import logger
+
+from paper.client import PaperClient
+from paper.errors import IgnoreException, NeedPasswordException, UserPrivacyException
+from paper.models import Message
+
+
+class PaperParser:
+    def __init__(self, session: str) -> None:
+        if not session:
+            raise ValueError("Session name can't be None")
+        
+        self.client = PaperClient(session)
+
+        self.users_to_delete = []
+
+    async def invite_users(self, users, group, task = None):
+        await self.client.invite_self(group)
+
+        group_participants = await self.client.get_participants(group)
+
+        if group_participants:
+            participants_usernames = [participant.username for participant in group_participants if participant.username]
+            users = filter(lambda user: user.username not in participants_usernames, users)
+
+        for user in users:
+            try:
+                if task.is_aborted():
+                    return self.users_to_delete
+
+                await self.client.invite_user(user, group)
+
+            except (UserPrivacyException, IgnoreException) as e:
+                self.users_to_delete.append(user)
+                logger.exception(e)
+                logger.warning("Exception occurred. Skipping user...")
+            
+            except Exception as e:
+                logger.exception(e)
+            
+            finally:
+                if not task.is_aborted():
+                    await asyncio.sleep(50)  # FIXME: Change to config value
+
+    async def send_messages(self, users, message: str, file: str | None = None, task = None):
+        # TODO: Filter users, that already get this message
+        # for dialog in await self.client.get_dialogs():
+        #     if dialog.is_user:
+        #         messages = tuple(filter(lambda chat_message: message.text == chat_message.text, await self.client.get_messages(dialog)))
+        #         print(messages)
+
+        for user in users:
+            try:
+                if task.is_aborted():
+                    return self.users_to_delete
+                
+                await self.client.send_message(user, message, file)
+
+            except (UserPrivacyException, IgnoreException) as e:
+                self.users_to_delete.append(user)
+                logger.exception(e)
+                logger.warning("Exception occurred. Skipping user...")
+
+            finally:
+                if not task.is_aborted():
+                    await asyncio.sleep(50)  # FIXME: Change to config value
+
+    async def get_participants(self, group):
+        await self.client.invite_self(group)
+
+        return await self.client.get_participants(group)
+
+    async def sign_in(self, phone: str, password: str | None = None, code: str | None = None, phone_hash: str | None = None, **kwargs):
+        if not await self.client.is_user_authorized():
+            try:
+                return await self.client.sign_in(phone=phone, code=code, phone_code_hash=phone_hash) #type: ignore
+            except:
+                if not password:
+                    raise NeedPasswordException()
+                
+                return await self.client.sign_in(password=password)
+
+    async def __aenter__(self, *args, **kwargs):
+        await self.client.connect()
+
+        return self
+
+    async def __aexit__(self, *args, **kwargs):
+        await self.client.disconnect()
--- a/paper/utils/classes.py
+++ b/paper/utils/classes.py
@ -0,0 +1,20 @@
+import dataclasses
+
+
+@dataclasses.dataclass(init=False)
+class DataclassBase:
+    """
+        It just works™
+    """
+    
+    def __init__(self, **kwargs):
+        names = set([f.name for f in dataclasses.fields(self)])
+        for k, v in kwargs.items():
+            if k in names:
+                setattr(self, k, v)
+
+    def dict(self):
+        return {
+            k: v.dict() if isinstance(v, DataclassBase) else v
+            for k, v in dataclasses.asdict(self).items()
+        }
--- a/requirements.txt
+++ b/requirements.txt
@ -0,0 +1,43 @@
+alembic==1.13.1
+amqp==5.2.0
+asgiref==3.7.2
+async-timeout==4.0.3
+billiard==4.2.0
+blinker==1.7.0
+celery==5.3.6
+click==8.1.7
+click-didyoumean==0.3.0
+click-plugins==1.1.1
+click-repl==0.3.0
+Flask==3.0.1
+Flask-Migrate==4.0.5
+Flask-SQLAlchemy==3.1.1
+greenlet==3.0.3
+gunicorn==21.2.0
+itsdangerous==2.1.2
+Jinja2==3.1.3
+kombu==5.3.5
+loguru==0.7.2
+Mako==1.3.0
+MarkupSafe==2.1.4
+opentele==1.15.1
+packaging==23.2
+prompt-toolkit==3.0.43
+psycopg2-binary==2.9.9
+pyaes==1.6.1
+pyasn1==0.5.1
+PyQt5==5.15.10
+PyQt5-Qt5==5.15.2
+PyQt5-sip==12.13.0
+python-dateutil==2.8.2
+redis==5.0.1
+rsa==4.9
+six==1.16.0
+SQLAlchemy==2.0.25
+Telethon==1.33.1
+TgCrypto==1.2.5
+typing_extensions==4.9.0
+tzdata==2023.4
+vine==5.1.0
+wcwidth==0.2.13
+Werkzeug==3.0.1