Clean ASP.NET Core API using MediatR and CQRS | Setup 

I don't think I could have gotten such a clear explanation of this pattern anywhere else on the web. Thanks Nick !

You can't imagine how happy I am after watching this video! Thank you.

Great starting tutorial with enough introduction theory, I never used MediatR or even mediator pattern (been stuck at legacy project) And I really like how MediatR effortlessly made implementing of query and command almost trivial in CQRS pattern. Keep the excellent videos coming and keep coding. PS: your videos are worth more than price of coffee to see the source

Perfect for whom wanna to start and get into MediatR and CQRS , keep up the great work man

Video from 2019 and still applies today. This was very well explained. Thank you!

00:00 : Introduction 00:22 : Mediator 02:25 : CQRS 05:27 : Design Overview 06:45 : Coding

Love your content Nick. I'm just a newbie but learning a lot with your videos! Greetings from Perú!

I pressed like and subscribed by just watching the first 8 mins of this video, it's one of the best explanations without going full-blown detail yet I understand the main concept! well done!

Really good explanation and the demo was great, not too much not too less, really good balance. Thanks!

Great video! Maybe because I setup my project almost identitcal. I'm loving how the code is so organized and clean!

really really great tutorial. I was able to follow along and everything working as expected. wow!

best video regarding MediatR and CQRS I could find! Thanks a lot!

I really enjoy watching your videos, very interesting tops and very clear explanation, Thanks you so much for all your efforts. we wait all your newly tutorials.

really great tutorial! cant wait for part 2!

What an explanation, easily understood. Thanks for the video..

Awesome content! You are a great teacher. Keep up the great work. I subscribed and look forward to more videos.

Wow! Thanks so much for the wonderful video. Keep 'em coming!

Thank you very much for the awesome series. Please keep it up.

As simple as that.. The best one ever !! Thanks!!

Excellent video Nick! Keep up the great work.

Thanks for that tutorial. Very clearly described what to use and how. I've liked that CQRS pattern :D You deserve sub and like :)

This is exactly what I was looking for, Thanks @Nick Chapsas

Nice presentation and implementation. Thank you.

This was great tutorial, thank you for sharing it with us.

this is one of the best tutorials on CQRS.

Brilliant tutorial! This is very clear, thank you :)

Great tutorial, awesome explanation. Thank you so much for providing the source code.

Thanks Nick. Beautifully explained.

Great and simply explained. Thanks!

Thank you man! You really help me to understand

amazing explanation, keep it up, thank you.

Finally long time search ended here :)

Its clear! You really did a good job .👍🏼😊

Nick before this video , i tried learning with the use of Event source but explanation was vague/not clear.Your video gave lot of confident in terms of implementation...Thanks a lot Nick, i subscribed too :)

Excellent explanation. I love it

Excellent video! Thanks for this!

Fantastic explanation, well done!

At my last job, we created our own implementation of this (I didn't know about mediatr). It worked very well and was very clean, the only downside was that we didn't do any scanning, so we had to manually map all of our query/commands and responses. We had a giant wall of them. 🙃 Mediatr looks like it would have made life a fair bit easier!

Very neat and clean explanation

Nice video, keep up the good work!

Thank You for this tutorial:) It seems pretty easy now:)

Thanks a lot for this beautiful explanation. Good Luck.

Very Elaborate, thanks Nick.

Perfect and Cool Explanation .. Thanks sir :)

this class is very helpful for beginner .. think you sir

Very good bro.. Tks for sharing.

Great tutorial, thank you

So helpful. Thank you, sir.

Thank You Mr. Chapsas

Love the way you explained and it's really easy to understand. Thanks a lot, keep the amazing work.

Such an amazing video. Thanks very much.

Great video and very nice explanation

Good article !! Thank you ..

Thank you very much! The tutorial was awesome !!

Good Video. It helped me to understand CQRS.

crazy good intro, thank you very much! edit: subscribed :D

Most excellent tutorial.

You’re the best, man!🙏

Well explained cover everything in this video 👍

Very clear thank you

Perfectly explained. Now i can implement this. Thank you. ☺️

No doubt you are really great .🙏

In general this is partly the evolution from a generic service response model to send from services to controllers. I noticed that in some cases when a controller returns multiple http statuses and messages depending on conditions there is an overlap in what you want to return from the service and the return value from the controller. The generic service response model then gets a kind of mapping which makes it confusing. So e.g. if the controller returns status xx1, xx2, xxx3, xxx4, xx5 depending on conditions with different (translated) messages when are only known in the service layer in terms of "content" for the message, there needs to be a mapping somewhere between what the service returns and the controller returns. So in the end the generic model returns a model with e.g. enums or something alike but then the mapping to what http status and which translated message then gets returned (which is more difficult if they are dynamic so not a lookup) is in terms of placement still dependent on what gets being send. (for everything that is generic its easy because you could handle that in a filter or middleware)

great tutorial. thanks a lot

Thank you very much. It`s great.

thanks! clear explination

thanks a lot, keep up the good work.

Thank you so much.. I was going through all over to understand the MediatR and this extremely helped me.

very nice explanation

Just amazing stuff... 👍🏼

simple and clear

so good!!!, Tx tx

Your explanation made it easy to understand. Thank You! #JetBrainsRider

Great work, very usueful.

Love your videos! Would be awesome if you shared your Visual Code settings and making a guide for most common commands etc!

Nice and sweet, sounds perfect, currently in mi job I have like 30 services and repos for every controller..... that is super dirty.

Beautiful!

WOW Nick Chapsas what a nice formation , subscribed!!!! and also can we get the full project to follow along? like how to create the api you created and then add mediator to it?

You deserve more subscribers!

MediatR is beautiful. I loved it. Great explanation. Very helpful. Thanks a lot for the video

Thank you very much

Very interesting!

Where can i get the source code, i cant find it in your github.

Excellent! Very easy to follow. Well articulated.

Quality video!

Nice. Probably makes sense to create a BaseOrderHandler that injects all those in the ctor so as to not have to duplicate that effort in each handler class?

Be nice if you could had some tests around the handlers. Been trying to find these for a while now

I'm almost about to try using MediatR at least by itself on my amateurish MVC app but I'm reluctant about over-engineering it? What's your take on over-engineering vs following design patterns and best practices? Hope you come up with a video discussing it. Thanks!

thank you!!!

Thank you

This is the best explanation in the entire galaxy. Nick which tool/device did you use to draw that way?

really nice explanation; I have been looking for a good example of mediatR since ages.

Nice!

Ty, dude.

Hi, I am new to your channel just subscribe after watching this video. It was actually really good. I want to make a few suggestions, please consider if you can, - Your speed is quite fast so try to explain more. - The content was really good but at some point, I didn't get the point, I am like what's going on and then repeat the section of the video. Thanks for your good work.

Hi Nick, thanks for your video, that is cool. Please could you say few words about commands should or should not return a entity or so except of result like new entity ID for example. Thank you

This is a really great explanation - nice work, great content.

you are the best

Thanks for your nice video about the application side of CQRS approach, it was helpful, but what about the server side approach?(where you can separate Database for queries and commands)?(the side you said are not gonna explain in video at 5:21)

MediatR makes Class Explotion it's first class citizen. But makes code more clean and clear to understand.