REFACTOR: Changed blueprints to allow for preprocessing of requests

controllers/web/admin.py

@@ -2,14 +2,27 @@
     in the web app
 """
 
-from flask import render_template, Blueprint
+from flask import render_template, Blueprint, redirect, url_for, flash
 
 from controllers.database.user import UserController
+from controllers.database.product import ProductController
+
+from utils.user_utils import is_role
 
 # Blueprint to append user endpoints to
 blueprint = Blueprint("admin", __name__, url_prefix="/admin")
 
 
+@blueprint.before_request
+def check_admin_user():
+    """ Preprocess for all admin endpoints to ensure that the requesting
+        user is logged in as an 'Admin'
+    """
+    if not is_role("Admin"):
+        flash("You must be logged in as an Admin to view this page.", "error")
+        return redirect(url_for('main.index'))
+
+
 @blueprint.route('/')
 def main():
     """ Function responsible for delivering the admin page for the site """
@@ -24,3 +37,17 @@ def users():
     users = db.read_all()
 
     return render_template("index.html", content="admin.html", users=users)
+
+
+@blueprint.route('/products/')
+def products():
+    """ Endpoint responsible for managing products on the site """
+    # Get all products to create admin table on frontend
+    db = ProductController()
+    products = db.read_all()
+
+    return render_template(
+        "index.html",
+        content="admin.html",
+        products=products
+    )