Questions tagged [mvc]

MVC (Model-View-Controller) is a software architecture pattern that enforces separation of concerns.

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Refactoring ASP.NET Web Forms App to use MVP vs incrementally rebuilding it using MVC?

My team has inherited a Web Forms application that was built over the past decade or so into a monolithic code base with massive dependencies. In order to maintain this system we are going to have to ...
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1 vote
4 answers
3k views

Do we need Models if we are using ViewModels?

Why do we need Models when we could: Only get the data (which is to be displayed) Populate the ViewModel with this data Pass this ViewModel into the View
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1 vote
1 answer
105 views

Data is in database or get from API, where should API request code goes?

For me, the data I want to retrieve may be in database for which I can use properties of model and also relationships, but if the record is not a property and no relationship exists for that ...
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1 vote
1 answer
156 views

Building a MVC Framework: Should I get an instance of Database, or should I extend with a "general" model class that already has an instance of DB

I am trying to get a database instance via any model-class that uses the database. This is ideal in my opinion: class UserAuthenticator { private $db; private $customer; public ...
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1 answer
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How to inform presenters of sub views of a main window about global data change in an MVC or MVP GUI app?

Suppose I'am writting a GUI desktop application which has a main window with a corresponding presenter. This main windows may host one or multiple panels which each also have their own presenter. The ...
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2 answers
173 views

Object composition in a static function

I have a class that provides basic functionality of a modal window. For different situations I need to provide different modals(different number of buttons, titles, etc...). I have a kind of factory ...
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-2 votes
1 answer
18 views

Migration Of Demo Version Projects to Live Version in .Net MVC Applications

I have an application which is currently used by clients. So based on the feedback from the client, normally we are fixing bugs in a live application.Parallel I am adding new modules to demo projects....
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-1 votes
1 answer
324 views

PHP MVC - which approach is the right one

Next semester we'll learn the mvc pattern in web development but since it looks pretty interesting to me i decided to learn it now but...there is a problem. Surfing trough the pages i found two ...
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0 answers
262 views

Refactor MVC to more scalable architecture?

Months ago I began a new web project which, in the beggining, seemed like a small application with virtually few users. I began the project by using the awesome Hackathon Starter WebApp Boilerplate by ...
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405 views

Running multiple MVC projects: One site

I am developing a "platform", I have an MVC site that will hold all the main data, as well as our generic API, uses Microsoft authentication to create an account, then our employee MVC will add the ...
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2 votes
3 answers
904 views

Reconciling MVC with a strategy pattern

I am working on a Rails application which employs a classic MVC as its fundamental structure. In that structure the controller is supposed to be responsible for "which view to render when". Now after ...
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2 votes
1 answer
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In MVC + SOA Architecture, What is the Rationale for Placing Business Logic in Models?

When writing web applications I place business logic in controllers. This has worked well for my small App Dev team- our applications run reliably, perform well, and the code is easy to maintain. ...
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1 answer
120 views

Modeling entities for company invoice management software

I am making a software to store all my company invoices (and then infer some statistics about it). The idea is: My company issues invoices to it's clients. My company receive invoices from it's ...
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1 vote
1 answer
218 views

Is this a valid site architecture?

We have a legacy site that was written a while back using MVC. It's a valid MVC for the most part except for the Data Access Layer. The site has Models, Views, and Controllers. However, instead of ...
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1 vote
2 answers
164 views

Thin Controller: Make a Controller Service wrap other Services?

Say you have a HomepageController that' suppose to show all the blogs, users, gallery, and some members-only info (for logged-in users) Normally, it looks like this: <?php class ...
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  • 313
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68 views

For a responsive app, do frequent conditionals checking device size indicate a code smell or antipattern?

I have joined a team working on a large and mature responsive website (using a javascript MVC framework), and one thing I frequently see in the codebase is branching code in controllers or components ...
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-1 votes
1 answer
159 views

What software pattern is one where I simply assemble things, such as create an array of certain type of data?

TL;DR: what do I call a section of code that is used to assemble a Graph object? I have a fairly large section of code that is duplicated in a few areas. I wish to extract it into its own class. ...
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4 votes
2 answers
1k views

Propagating Data to multiple ViewModels - C#

I'm a bit new to MVVM, but here's my dilemma: I have a model (or models, but let's keep it simple) I want to show that model data on multiple different views. Ok, so ViewModel for each view gets ...
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  • 185
0 votes
1 answer
55 views

What's the best approach to write chronology entries on certain actions in ASP.NET Core MVC?

I'm working on a software product that entails users opening up a case and taking actions to process the case, changing the status, creating tasks, etc. I'd like to provide a history of the actions ...
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0 votes
2 answers
3k views

Difference between MVC and ECS

Following reading Thomas Owens response (many thanks to him) on Is it reasonable to build applications (not games) using a component-entity-system architecture? and his explanation on what is ECS ...
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0 votes
2 answers
89 views

Is it a good idea to let database surrogate key values spill out into other aspects of code (HTML, Controllers, Model, Repository layer)?

Is it acceptable to use id in HTML forms and subsequent code processing (controller, view, model, repository layers)? For example I need to show something like this on a web page: Select Motor ...
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2 votes
2 answers
296 views

What is the correct usage of the IEnumerable interface in C# to deal with collections?

When I am working in ASP.Net MVC or WebApi, I often find myself creating Views or return data structures that include 'List<>'s of objects. Meaning that I have a list of data objects that I want to ...
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  • 139
2 votes
0 answers
531 views

N-Tier/Layered Architecture with MVC

Do N-Tier/Layered architecture really helpful with MVC? I have some projects here that use N-Tier architecture with MVC. The available layers are Entity Layer Data Layer Business Layer Presentation ...
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  • 129
1 vote
1 answer
71 views

What is the best way to implement model property authorization in an ASP MVC?

We have an MVC application that has very granular and configurable authorization. We currently have been using the authorize attribute against our controllers and controller functions. The next ...
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0 votes
1 answer
97 views

Should I "Connect->To controller A", or "To controller A->Connect"?

For example, suppose I have a shopping app, which has a user info page to show user info: class UserInfoController{ toPurchaseRecord(){ } } and a purchase record page to show purchase record,...
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1 vote
0 answers
786 views

Handling complex dynamic queries in Laravel 5

I am developing a project using Laravel. My workflow is: route directs to controller Controller calls eloquent models Eloquent models perform queries (tipically CRUD and find) Controller returns ...
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3 votes
1 answer
138 views

Future/Promise objects in Controllers - Best practice - MVC [closed]

I was going through some articles related to Futures and Callables today and was thinking about the best practices when working in an MVC based environment. I was wondering, should one be creating ...
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2 votes
1 answer
350 views

Abstraction for Account transactions and balance

We have 10 applications which updates account balance table, without logging credit/debit line transactions (not sure why). They all have the pretty much same SQL Statement. In order to get out of ...
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0 votes
1 answer
119 views

C# Separate Online Store into Different Solutions and Nugets

I am creating an Online Shopping Cart store. It is built through Net MVC Core. There is a Front End View website: html, css, razor. Then we have backend code design for Customers: including shopping ...
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1 vote
1 answer
4k views

Architecture / Design Pattern for Login Signup

I have a multi-seller ecommerce platform, derived out of Opencart 2.3. We changed quite a bit of the core code of the Opencart to add our own customizations, including features such as Seller ...
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1 vote
1 answer
173 views

Using a JWT for a web service after logging in (login twice?)

Good day everybody, My capstone project partners are stumped with a logic question that has to do with JWT, MVC & web services. We have already built a web app with a signup/signin feature using ...
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-3 votes
1 answer
193 views

What things to refactor first [duplicate]

I do understand this is a wild question and totally open-ended but just wanted to know that I am barking up the right tree. I've inherited a large code base of many solutions and services, and whilst ...
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6 votes
6 answers
1k views

Models: two very different concepts

There are a lot of questions and answers about what a/the model is. Particularly when discussing where business logic belongs and the MVC pattern. There seem to be two concepts that need to be severed....
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2 votes
2 answers
213 views

Should model/view in MVC be concrete or generic?

In the MVC pattern, should model and view be very concrete and tailored to the represented component? Or should they be as generic as possible so that they can easily be reused? Specific case My data ...
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  • 1,652
1 vote
0 answers
745 views

MVC - How should components inside controller communicate?

I'm developing a level editor in Java. I'm designing its code in MVC. From what I've learned: controllers can have a direct reference (fields) to views and models. Views can have direct reference to ...
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1 vote
1 answer
316 views

MVC: How to use data model list in recursive views

I am trying to learn web app MVC in PHP.Most of the articles discussed about 1-to-1 MVC pattern given bellow Controller: gets user request & update model, Model: receives orders form Controller &...
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0 votes
1 answer
2k views

PHP MVC controllers using ajax

I'm learning to use the MVC pattern to design my PHP's software. I always use ajax to send requests to my controllers so often I've a code structure like this: <?php if(isset($_POST['action']) &...
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0 votes
1 answer
220 views

A separate UIViewController for UITextField - iOS

In my iOS project I have a set of custom textfields, e.g. for password entry. As an example, such textfields can contain additional views and logic - for example, show or hide a password with a press ...
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1 vote
4 answers
2k views

How to organize code based on functionality

I use MVC + service classes in my project. My projects structure looks like this: -MySolution.Web -MySolution.Models -MySolution.Services -MySolution.Common MySolution.Web is an asp.net web ...
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  • 492
3 votes
2 answers
127 views

Where do I encode value conversion methods in an MVC web app to display values in different unit systems in the View?

I have a use case where I do internal data computations using English system, due to various precomputed graph coefficients and other data already using the English system. But for output I need to ...
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  • 8,029
3 votes
0 answers
88 views

Creating bindable input handler in C++ spanning two separate modules

I have a wxWidgets application. This is the first, main module. The second module is an openGL engine. It's a model-view-(controller) structure, where application is the view (and the controller), ...
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1 vote
2 answers
36 views

Should I move my pricing service and creation of entity into the `SaveLineItem` service?

This is an MVC design/refactoring question. I am using a Controller and inside I do these tasks: I get Price of an object from a database, for which I use a repository pattern Create a LineItem ...
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  • 8,029
0 votes
2 answers
125 views

Is RenderAction compatible with MVC architecture?

So I just came across an extension method built into ASP.NET MVC: ChildActionExtensions.RenderAction(...). This invokes an action method using the given parameters and renders the result inline in ...
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  • 1,356
1 vote
3 answers
459 views

Is it bad practice to build a large web component as a Html Helper?

So, from my understanding, Html Helpers are supposed to be for single elements or small snippets of html. However, I'm not really sure why I think this, or how I came to abide by the practice. I ...
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  • 121
-3 votes
2 answers
2k views

Is it better choice to use both AngularJS and ASP.Net MVC for developing ecommerce website?

I know about MVC, But I don't have such experience with AngularJS. But both has controller and View. To develope like e-commerce site, is it good choice to choose AngularJS to do filtering with ...
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-1 votes
1 answer
205 views

Should a graphical user interface implement Propertychangelistener or it's objects?

I was learning about design patterns and i came across a line where a domain object has to update it's view using observer design pattern. In the book , Applying UML and design pattern, It says Let ...
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1 vote
1 answer
158 views

Are signals/events the only way to modify one view from another?

I need to set a mode in one view from a different view. Trying to stay organized with MVC. Looking at answer at Invoke model logic in one UserControl from view-model in another UserControl without ...
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0 votes
1 answer
1k views

Is it possible to add Service layer in MVC pattern?

I'm working on javaFX project using Hibernate and H2 database,I'm trying follow the concept of MVC design pattern ,so I have created 3 packages : models :contains POJO classes 2.1 views.fxml:...
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2 votes
1 answer
441 views

ASP.Net MVC When ViewModel properties vs Ajax calls in view

When is it more appropriate to use asynchronous calls from the view to get data vs prepopulating it server-side when creating the instance of the viewmodel? For instance, if my view has some dropdown ...
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1 vote
1 answer
400 views

Data layer Abstraction from Business layer for search

This is regarding designing a search api. We have 3 tier architecture now using Spring MVC. All communications are via REST api. UI <-> Business <-> Data(sql). Now to implement faster ...
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