Add base code

.gitignore

@@ -5,5 +5,5 @@
 .vscode
 
 # data
-partitioncloud/partitioncloud.db
-
+instance/partitioncloud.sqlite
+partitioncloud/partitions

make.sh

@@ -1,12 +1,13 @@
 #!/bin/bash
 
 init () {
-    if [ ! -x partitioncloud/partitioncloud.db ]; then
+    mkdir -p "instance"
+    if [ ! -x instance/partitioncloud.sqlite ]; then
         printf "Souhaitez vous supprimer la base de données existante ? [y/n] "
         read -r CONFIRMATION
     fi
     [[ $CONFIRMATION == y ]] || exit 1
-    sqlite3 "partitioncloud/partitioncloud.db" '.read partitioncloud/schema.sql'
+    sqlite3 "instance/partitioncloud.sqlite" '.read partitioncloud/schema.sql'
     echo "Base de données initialisée"
 }
 
@@ -27,4 +28,4 @@ else
 	usage
 	echo $(type "$1")
 	exit 1
-fi;
+fi

partitioncloud/__init__.py

@@ -0,0 +1,30 @@
+#!/usr/bin/python3
+"""
+Main file
+"""
+import os
+from flask import Flask, render_template, request, send_file, g, redirect
+
+from . import auth, albums
+
+app = Flask(__name__)
+
+app.config.from_mapping(
+    # a default secret that should be overridden by instance config
+    SECRET_KEY="dev",
+    # store the database in the instance folder
+    DATABASE=os.path.join(app.instance_path, f"{__name__}.sqlite"),
+)
+
+app.register_blueprint(auth.bp)
+app.register_blueprint(albums.bp)
+
+
+@app.route("/")
+def home():
+    """Redirect to home"""
+    return redirect("/albums/")
+
+
+if __name__ == "__main__":
+    app.run(host="0.0.0.0")

partitioncloud/albums.py

@@ -0,0 +1,138 @@
+#!/usr/bin/python3
+"""
+Albums module
+"""
+import os
+from uuid import uuid4
+
+from flask import (Blueprint, abort, flash, redirect, render_template, request,
+                   send_file, session)
+
+from .auth import login_required
+from .db import get_db
+
+bp = Blueprint("albums", __name__, url_prefix="/albums")
+
+
+@bp.route("/")
+@login_required
+def index():
+    db = get_db()
+    albums = db.execute(
+        """
+        SELECT album.id, name, uuid FROM album
+        JOIN contient_user ON album_id = album.id
+        JOIN user ON user_id = user.id
+        WHERE user.id = ?
+        """,
+        (session.get("user_id"),),
+    ).fetchall()
+
+    return render_template("albums/index.html", albums=albums)
+
+
+@bp.route("/<uuid>")
+def album(uuid):
+    """
+    Album page
+    """
+    db = get_db()
+    album = db.execute(
+        """
+        SELECT id, name, uuid FROM album
+        WHERE uuid = ?
+        """,
+        (uuid,),
+    ).fetchone()
+
+    if album is None:
+        return abort(404)
+
+    partitions = db.execute(
+        """
+        SELECT partition.uuid, partition.name, partition.author FROM partition
+        JOIN contient_partition ON partition_uuid = partition.uuid
+        JOIN album ON album.id = album_id
+        WHERE album.uuid = ?
+        """,
+        (uuid,),
+    ).fetchall()
+
+    return render_template("albums/album.html", album=album, partitions=partitions)
+
+
+@bp.route("/<album_uuid>/<partition_uuid>")
+def partition(album_uuid, partition_uuid):
+    """
+    Returns a partition in a given album
+    """
+    db = get_db()
+    partition = db.execute(
+        """
+        SELECT * FROM partition
+        JOIN contient_partition ON partition_uuid = partition.uuid
+        JOIN album ON album.id = album_id
+        WHERE album.uuid = ?
+        AND partition.uuid = ?
+        """,
+        (album_uuid, partition_uuid),
+    ).fetchone()
+
+    if partition is None:
+        return abort(404)
+
+    return send_file(os.path.join("partitions", f"{partition_uuid}.pdf"))
+
+
+@bp.route("/create-album", methods=["GET", "POST"])
+@login_required
+def create_album():
+    if request.method == "POST":
+        name = request.form["name"]
+        db = get_db()
+        error = None
+
+        if not name:
+            error = "Un nom est requis."
+
+        if error is None:
+            while True:
+                try:
+                    uuid = str(uuid4())
+
+                    db.execute(
+                        """
+                        INSERT INTO album (uuid, name)
+                        VALUES (?, ?)
+                        """,
+                        (uuid, name),
+                    )
+                    db.commit()
+
+                    album_id = db.execute(
+                        """
+                        SELECT id FROM album
+                        WHERE uuid = ?
+                        """,
+                        (uuid,),
+                    ).fetchone()["id"]
+
+                    db.execute(
+                        """
+                        INSERT INTO contient_user (user_id, album_id)
+                        VALUES (?, ?)
+                        """,
+                        (session.get("user_id"), album_id),
+                    )
+                    db.commit()
+
+                    break
+                except db.IntegrityError:
+                    pass
+
+            return redirect(f"/albums/{uuid}")
+
+        flash(error)
+        return render_template("albums/create-album.html")
+
+    return render_template("albums/create-album.html")

partitioncloud/auth.py

@@ -0,0 +1,120 @@
+#!/usr/bin/python3
+"""
+Authentification module
+"""
+import functools
+
+from flask import (
+    Blueprint,
+    flash,
+    g,
+    redirect,
+    render_template,
+    request,
+    session,
+    url_for,
+)
+from werkzeug.security import check_password_hash, generate_password_hash
+
+from .db import get_db
+
+bp = Blueprint("auth", __name__, url_prefix="/auth")
+
+
+def login_required(view):
+    """View decorator that redirects anonymous users to the login page."""
+
+    @functools.wraps(view)
+    def wrapped_view(**kwargs):
+        if g.user is None:
+            return redirect(url_for("auth.login"))
+
+        return view(**kwargs)
+
+    return wrapped_view
+
+
+@bp.before_app_request
+def load_logged_in_user():
+    """If a user id is stored in the session, load the user object from
+    the database into ``g.user``."""
+    user_id = session.get("user_id")
+
+    if user_id is None:
+        g.user = None
+    else:
+        g.user = (
+            get_db().execute("SELECT * FROM user WHERE id = ?", (user_id,)).fetchone()
+        )
+
+
+@bp.route("/register", methods=("GET", "POST"))
+def register():
+    """Register a new user.
+    Validates that the username is not already taken. Hashes the
+    password for security.
+    """
+    if request.method == "POST":
+        username = request.form["username"]
+        password = request.form["password"]
+        db = get_db()
+        error = None
+
+        if not username:
+            error = "Un nom d'utilisateur est requis."
+        elif not password:
+            error = "Un mot de passe est requis."
+
+        if error is None:
+            try:
+                db.execute(
+                    "INSERT INTO user (username, password) VALUES (?, ?)",
+                    (username, generate_password_hash(password)),
+                )
+                db.commit()
+            except db.IntegrityError:
+                # The username was already taken, which caused the
+                # commit to fail. Show a validation error.
+                error = f"Le nom d'utilisateur {username} est déjà pris."
+            else:
+                # Success, go to the login page.
+                return redirect(url_for("auth.login"))
+
+        flash(error)
+
+    return render_template("auth/register.html")
+
+
+@bp.route("/login", methods=("GET", "POST"))
+def login():
+    """Log in a registered user by adding the user id to the session."""
+    if request.method == "POST":
+        username = request.form["username"]
+        password = request.form["password"]
+        db = get_db()
+        error = None
+        user = db.execute(
+            "SELECT * FROM user WHERE username = ?", (username,)
+        ).fetchone()
+
+        if user is None:
+            error = "Incorrect username."
+        elif not check_password_hash(user["password"], password):
+            error = "Incorrect password."
+
+        if error is None:
+            # store the user id in a new session and return to the index
+            session.clear()
+            session["user_id"] = user["id"]
+            return redirect(url_for("albums.index"))
+
+        flash(error)
+
+    return render_template("auth/login.html")
+
+
+@bp.route("/logout")
+def logout():
+    """Clear the current session, including the stored user id."""
+    session.clear()
+    return redirect(url_for("auth.login"))

partitioncloud/db.py

@@ -0,0 +1,28 @@
+import sqlite3
+
+from flask import current_app
+from flask import g
+
+
+def get_db():
+    """Connect to the application's configured database. The connection
+    is unique for each request and will be reused if this is called
+    again.
+    """
+    if "db" not in g:
+        g.db = sqlite3.connect(
+            current_app.config["DATABASE"], detect_types=sqlite3.PARSE_DECLTYPES
+        )
+        g.db.row_factory = sqlite3.Row
+
+    return g.db
+
+
+def close_db(e=None):
+    """If this request connected to the database, close the
+    connection.
+    """
+    db = g.pop("db", None)
+
+    if db is not None:
+        db.close()

partitioncloud/schema.sql

@@ -12,21 +12,22 @@ CREATE TABLE user (
 );
 
 CREATE TABLE partition (
-  id INTEGER PRIMARY KEY AUTOINCREMENT,
+	uuid TEXT(36) PRIMARY KEY,
 	name TEXT NOT NULL,
 	author TEXT,
 	body TEXT
 );
 
 CREATE TABLE album (
-	id INTEGER PRIMARY KEY AUTOINCREMENT,
-	name TEXT NOT NULL
+	id INTEGER PRIMARY KEY,
+	name TEXT NOT NULL,
+	uuid TEXT(36) UNIQUE NOT NULL
 );
 
 CREATE TABLE contient_partition (
-	partition_id INTEGER NOT NULL,
+	partition_uuid TEXT(36) NOT NULL,
 	album_id INTEGER NOT NULL,
-	PRIMARY KEY (partition_id, album_id)
+	PRIMARY KEY (partition_uuid, album_id)
 );
 
 CREATE TABLE contient_user (

partitioncloud/templates/albums/album.html

@@ -0,0 +1,19 @@
+{% extends 'base.html' %}
+
+{% block header %}
+<h1>{% block title %}{{ album["name"] }}{% endblock %}</h1>
+{% endblock %}
+
+{% block content %}
+{% if partitions|length != 0 %}
+  {% for partition in partitions %}
+  <a href="{{ album['uuid'] }}/{{ partition['uuid'] }}">
+      <div class="partition-cover" id="partition-{{ partition['uuid'] }}">
+          {{ partition["name"] }}
+      </div>
+  </a>
+  {% endfor %}
+{% else %}
+  <div>Aucune partition disponible</div>
+{% endif %}
+{% endblock %}

partitioncloud/templates/albums/create-album.html

@@ -0,0 +1,13 @@
+{% extends 'base.html' %}
+
+{% block header %}
+  <h1>{% block title %}Nouvel Album{% endblock %}</h1>
+{% endblock %}
+
+{% block content %}
+  <form method="post">
+    <label for="name">Nom</label>
+    <input name="name" id="name" required>
+    <input type="submit" value="Créer">
+  </form>
+{% endblock %}

partitioncloud/templates/albums/index.html

@@ -0,0 +1,22 @@
+{% extends 'base.html' %}
+
+{% block header %}
+<h1>{% block title %}Albums{% endblock %}</h1>
+{% endblock %}
+
+{% block content %}
+{% if albums|length != 0 %}
+  {% for album in albums %}
+  <a href="{{ album['uuid'] }}">
+      <div class="album-cover" id="album-{{ album['id'] }}">
+          {{ album["name"] }}
+      </div>
+  </a>
+  {% endfor %}
+{% else %}
+  <div>Aucun album disponible</div>
+{% endif %}
+<a href="create-album">
+    <button id="new-album">Nouvel Album</button>
+</a>
+{% endblock %}

partitioncloud/templates/auth/login.html

@@ -0,0 +1,15 @@
+{% extends 'base.html' %}
+
+{% block header %}
+  <h1>{% block title %}Se connecter{% endblock %}</h1>
+{% endblock %}
+
+{% block content %}
+  <form method="post">
+    <label for="username">Nom d'utilisateur</label>
+    <input name="username" id="username" required>
+    <label for="password">Mot de passe</label>
+    <input type="password" name="password" id="password" required>
+    <input type="submit" value="Se connecter">
+  </form>
+{% endblock %}

partitioncloud/templates/auth/register.html

@@ -0,0 +1,15 @@
+{% extends 'base.html' %}
+
+{% block header %}
+  <h1>{% block title %}Créer un compte{% endblock %}</h1>
+{% endblock %}
+
+{% block content %}
+  <form method="post">
+    <label for="username">Nom d'utilisateur</label>
+    <input name="username" id="username" required>
+    <label for="password">Mot de passe</label>
+    <input type="password" name="password" id="password" required>
+    <input type="submit" value="Créer un compte">
+  </form>
+{% endblock %}

partitioncloud/templates/base.html

@@ -0,0 +1,24 @@
+<!doctype html>
+<title>{% block title %}{% endblock %} - PartitionCloud</title>
+<link rel="stylesheet" href="{{ url_for('static', filename='style.css') }}">
+<nav>
+  <h1><a href="{{ url_for('albums.index') }}">PartitionCloud</a></h1>
+  <ul>
+    {% if g.user %}
+      <li><span>{{ g.user['username'] }}</span>
+      <li><a href="{{ url_for('auth.logout') }}">Déconnexion</a>
+    {% else %}
+      <li><a href="{{ url_for('auth.register') }}">Créer un compte</a>
+      <li><a href="{{ url_for('auth.login') }}">Se connecter</a>
+    {% endif %}
+  </ul>
+</nav>
+<section class="content">
+  <header>
+    {% block header %}{% endblock %}
+  </header>
+  {% for message in get_flashed_messages() %}
+    <div class="flash">{{ message }}</div>
+  {% endfor %}
+  {% block content %}{% endblock %}
+</section>

wsgi.py

@@ -0,0 +1,5 @@
+#!/usr/bin/python3
+from partitioncloud import app
+
+if __name__ == "__main__":
+    app.run()