tetiana12345678

Installation Guide

Requirements:

• Erlang 18 or later
• Elixir 1.4 or later
• Phoenix 1.3
• Node.js 6.4.0 or later

Links:

• https://elixir-lang.org/install.html

tetiana12345678

This is part of building a chat app with Phoenix Channels workshop. In this part we will use Elixir to build a chat bot.

Create a new Bot application

Remember in part 1 we generated root for the umbrella application? Generate new application for chat bot:

$ cd chatter/apps
$ mix new bot

Using umbrella applications provided by Elixir we can desing for deletability, one of the great ideas Greg Young was talking about. Let's stop here for a second and think about boundaries, microservices and how to get it right.

tetiana12345678

Create new umbrella application

$ mix new chatter --umbrella
$ cd chatter

Create new Phoenix Project

$ cd apps

tetiana12345678

I have a challenge of transforming the data from 1 state to another. I have written my implementation, but I know it could be done, just could’t figure it out. I was looking into using Streams, but struggling to implement it. Any suggestions?

input = [["foo", 56, "0", "1"],
         ["bar", 34, "2", "3"],
         ["bla", 90, "2", "1"],
         ["hey", 10, "4", "1"]]

output = [%{"0" => [56]},
          %{"2" => [90, 34]},
          %{"4" => [10]}

tetiana12345678

Keybase proof

I hereby claim:

• I am tetianahogg on github.
• I am tetiana12345678 (https://keybase.io/tetiana12345678) on keybase.
• I have a public key whose fingerprint is 612A 3BD5 9FED EDFB 7F09 D241 B7E2 6107 216C F2D0

To claim this, I am signing this object: