create capsul and capsuls list page working

capsulflask/auth.py

@@ -33,17 +33,17 @@ def account_required(view):
 def login():
     if request.method == "POST":
         email = request.form["email"]
-        error = None
+        errors = list()
 
         if not email:
-            error = "email is required"
+            errors.append("email is required")
         elif len(email.strip()) < 6 or email.count('@') != 1 or email.count('.') == 0: 
-	        error = "enter a valid email address"
+	        errors.append("enter a valid email address")
 
-        if error is None:
+        if len(errors) == 0:
             token = get_model().login(email)
             if token is None:
-                error = "too many logins. please use one of the existing login links that have been emailed to you"
+                errors.append("too many logins. please use one of the existing login links that have been emailed to you")
             else:
                 link = f"{current_app.config['BASE_URL']}/auth/magic/{token}"
 
@@ -65,7 +65,8 @@ def login():
 
                 return render_template("login-landing.html", email=email)
 
-        flash(error)
+        for error in errors:
+            flash(error)
 
     return render_template("login.html")