added first attempt of pagination

app/routes.py

@@ -32,8 +32,10 @@ def index():
         db.session.commit()
         flash("your post is now live")
         return redirect(url_for("index"))
-    posts = current_user.followed_posts().all()
-    return render_template('index.html', title = "Home Page", form = form, posts=posts)
+    page = request.args.get("page", 1, type=int)
+    posts = current_user.followed_posts().paginate(
+        page, app.config["POSTS_PER_PAGE"], False)
+    return render_template('index.html', title = "Home Page", form = form, posts=posts.items)
 
 @app.route("/login", methods=["GET","POST"])
 def login():
@@ -137,5 +139,7 @@ def unfollow(username):
 @app.route("/explore")
 @login_required
 def explore():
-    posts = Post.query.order_by(Post.timestamp.desc()).all()
-    return render_template("index.html",title="Explore", posts=posts)
+    page = request.args.get("page", 1, type=int)
+    posts = Post.query.order_by(Post.timestamp.desc()).paginate(
+        page, app.config["POSTS_PER_PAGE"], False)
+    return render_template("index.html",title="Explore", posts=posts.items)

config.py

@@ -12,4 +12,5 @@ class Config:
     MAIL_USE_TLS = os.environ.get("MAIL_USE_TLS") is not None
     MAIL_USERNAME = os.environ.get("MAIL_USERNAME")
     MAIL_PASSWORD = os.environ.get("MAIL_PASSWORD")
-    ADMINS = ["[email protected]"]
+    ADMINS = ["[email protected]"]
+    POSTS_PER_PAGE = 3