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MTL style behaviour algebra #50

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merged 40 commits into from Oct 31, 2018
Merged

MTL style behaviour algebra #50

merged 40 commits into from Oct 31, 2018

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@notxcain
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@notxcain notxcain commented Oct 30, 2018

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@notxcain notxcain mentioned this pull request Oct 30, 2018
build.sbt Outdated
lazy val akkaHttpVersion = "10.0.11"
lazy val akkaHttpJsonVersion = "1.19.0"
lazy val circeVersion = "0.9.3"
lazy val http4sVersion = "0.20.0-M4"

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@vpavkin

vpavkin Oct 30, 2018
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🤔 the latest I can find is 0.20.0-M1

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@notxcain

notxcain Oct 31, 2018
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Right, I might have looked at v0.19.0-M4, too much coffee yesterday.

@notxcain notxcain mentioned this pull request Oct 31, 2018
@notxcain notxcain merged commit 30a5858 into master Oct 31, 2018
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@notxcain notxcain deleted the mtl-style branch Oct 31, 2018
@SemanticBeeng
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@SemanticBeeng SemanticBeeng commented Oct 31, 2018

@notxcain would this compile to scalajs to the extent necessary to call from an ajax client application?
context higherkindness/mu-scala#16

"mu, it brings the ability to combine RPC protocols, services, and clients in your Freestyle program, thanks to gRPC."

Would you agree to add a scalajs module for cross-build?

@notxcain
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@notxcain notxcain commented Nov 1, 2018

@SemanticBeeng I'm not sure that all modules are Scala.js compatible. Never used it. What module do you need?

@SemanticBeeng
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@SemanticBeeng SemanticBeeng commented Nov 1, 2018

Hmm... some familiarity is required to understand but think is very important in order make aecor usable on the "client side" of ajax apps.

Would you be willing to develop some familiarity while I come up with a better explanation and examples?
https://www.scala-js.org/doc/project/cross-build.html
https://github.com/scala-js/scalajs-cross-compile-example

Roughly speaking everything could cross-compile except the akka specific stuff.
Plainly speaking scalajs cannot compile things that have equivalent in the browser like akka, spark,

In previous interactions I gave links to how frees-io does it : http://frees.io/docs/
Will improve this answer.

@notxcain
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@notxcain notxcain commented Nov 1, 2018

What are the use cases that you see for Aecor on the client side?

@SemanticBeeng
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@SemanticBeeng SemanticBeeng commented Nov 1, 2018

To implement immutable domain models and event sourced apis that can run on the client and then have effects (especially state mutations) replayed / interpreted on the server when the remove calls are eventually made.

See https://tech.zilverline.com/2011/02/10/towards-an-immutable-domain-model-monads-part-5 for examples.

I have used this design to implement complex domain models with complex business rules without having to keep track of mutations on the client. Now applying same with aecor seems the perfect evolution.

All this could be cross compile except boopickleWireProtocol which a server-side remoting aspect only. https://github.com/SemanticBeeng/aecor/blob/1791d3de0ddf83f67c1a3cd5371aaf0c14714e45/modules/tests/src/main/scala/aecor/tests/e2e/Counter.scala#L11-L55

Also, monix, circe, cats, cats-mtl, etc cross-compile already.

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@notxcain notxcain commented Nov 6, 2018

@SemanticBeeng I see. BTW WireProtocol could also be used for client server RPC-like interaction. As for Scala.js support. I'm not sure that I'll have a free time in the near future. So PR is welcome.

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@SemanticBeeng SemanticBeeng commented Nov 6, 2018

Agreed about WireProtocol.
So am I correct to infer that you agree aecor based algebras, events, etc could be used on "the client" - you cannot see issues in principle, right?

@notxcain notxcain mentioned this pull request Nov 8, 2018
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3 participants