Phoenix skeleton

.formatter.exs

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+[
+  import_deps: [:ecto, :phoenix],
+  inputs: ["*.{ex,exs}", "priv/*/seeds.exs", "{config,lib,test}/**/*.{ex,exs}"],
+  subdirectories: ["priv/*/migrations"]
+]

.gitignore

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+# The directory Mix will write compiled artifacts to.
+/_build/
+
+# If you run "mix test --cover", coverage assets end up here.
+/cover/
+
+# The directory Mix downloads your dependencies sources to.
+/deps/
+
+# Where 3rd-party dependencies like ExDoc output generated docs.
+/doc/
+
+# Ignore .fetch files in case you like to edit your project deps locally.
+/.fetch
+
+# If the VM crashes, it generates a dump, let's ignore it too.
+erl_crash.dump
+
+# Also ignore archive artifacts (built via "mix archive.build").
+*.ez
+
+# Ignore package tarball (built via "mix hex.build").
+the_mesh-*.tar
+
+# If NPM crashes, it generates a log, let's ignore it too.
+npm-debug.log
+
+# The directory NPM downloads your dependencies sources to.
+/assets/node_modules/
+
+# Since we are building assets from assets/,
+# we ignore priv/static. You may want to comment
+# this depending on your deployment strategy.
+/priv/static/
+
+# Files matching config/*.secret.exs pattern contain sensitive
+# data and you should not commit them into version control.
+#
+# Alternatively, you may comment the line below and commit the
+# secrets files as long as you replace their contents by environment
+# variables.
+/config/*.secret.exs

README.md

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+# TheMesh
+
+To start your Phoenix server:
+
+  * Install dependencies with `mix deps.get`
+  * Create and migrate your database with `mix ecto.setup`
+  * Install Node.js dependencies with `cd assets && npm install`
+  * Start Phoenix endpoint with `mix phx.server`
+
+Now you can visit [`localhost:4000`](http://localhost:4000) from your browser.
+
+Ready to run in production? Please [check our deployment guides](https://hexdocs.pm/phoenix/deployment.html).
+
+## Learn more
+
+  * Official website: http://www.phoenixframework.org/
+  * Guides: https://hexdocs.pm/phoenix/overview.html
+  * Docs: https://hexdocs.pm/phoenix
+  * Mailing list: http://groups.google.com/group/phoenix-talk
+  * Source: https://github.com/phoenixframework/phoenix

assets/.babelrc

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+{
+    "presets": [
+        "@babel/preset-env"
+    ]
+}

assets/css/app.css

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+/* This file is for your main application css. */
+
+@import "./phoenix.css";

assets/js/app.js

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+// We need to import the CSS so that webpack will load it.
+// The MiniCssExtractPlugin is used to separate it out into
+// its own CSS file.
+import css from "../css/app.css"
+
+// webpack automatically bundles all modules in your
+// entry points. Those entry points can be configured
+// in "webpack.config.js".
+//
+// Import dependencies
+//
+import "phoenix_html"
+
+// Import local files
+//
+// Local files can be imported directly using relative paths, for example:
+// import socket from "./socket"

assets/js/socket.js

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+// NOTE: The contents of this file will only be executed if
+// you uncomment its entry in "assets/js/app.js".
+
+// To use Phoenix channels, the first step is to import Socket,
+// and connect at the socket path in "lib/web/endpoint.ex".
+//
+// Pass the token on params as below. Or remove it
+// from the params if you are not using authentication.
+import {Socket} from "phoenix"
+
+let socket = new Socket("/socket", {params: {token: window.userToken}})
+
+// When you connect, you'll often need to authenticate the client.
+// For example, imagine you have an authentication plug, `MyAuth`,
+// which authenticates the session and assigns a `:current_user`.
+// If the current user exists you can assign the user's token in
+// the connection for use in the layout.
+//
+// In your "lib/web/router.ex":
+//
+//     pipeline :browser do
+//       ...
+//       plug MyAuth
+//       plug :put_user_token
+//     end
+//
+//     defp put_user_token(conn, _) do
+//       if current_user = conn.assigns[:current_user] do
+//         token = Phoenix.Token.sign(conn, "user socket", current_user.id)
+//         assign(conn, :user_token, token)
+//       else
+//         conn
+//       end
+//     end
+//
+// Now you need to pass this token to JavaScript. You can do so
+// inside a script tag in "lib/web/templates/layout/app.html.eex":
+//
+//     <script>window.userToken = "<%= assigns[:user_token] %>";</script>
+//
+// You will need to verify the user token in the "connect/3" function
+// in "lib/web/channels/user_socket.ex":
+//
+//     def connect(%{"token" => token}, socket, _connect_info) do
+//       # max_age: 1209600 is equivalent to two weeks in seconds
+//       case Phoenix.Token.verify(socket, "user socket", token, max_age: 1209600) do
+//         {:ok, user_id} ->
+//           {:ok, assign(socket, :user, user_id)}
+//         {:error, reason} ->
+//           :error
+//       end
+//     end
+//
+// Finally, connect to the socket:
+socket.connect()
+
+// Now that you are connected, you can join channels with a topic:
+let channel = socket.channel("topic:subtopic", {})
+channel.join()
+  .receive("ok", resp => { console.log("Joined successfully", resp) })
+  .receive("error", resp => { console.log("Unable to join", resp) })
+
+export default socket

assets/package.json

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+{
+  "repository": {},
+  "license": "MIT",
+  "scripts": {
+    "deploy": "webpack --mode production",
+    "watch": "webpack --mode development --watch"
+  },
+  "dependencies": {
+    "phoenix": "file:../deps/phoenix",
+    "phoenix_html": "file:../deps/phoenix_html"
+  },
+  "devDependencies": {
+    "@babel/core": "^7.0.0",
+    "@babel/preset-env": "^7.0.0",
+    "babel-loader": "^8.0.0",
+    "copy-webpack-plugin": "^4.5.0",
+    "css-loader": "^2.1.1",
+    "mini-css-extract-plugin": "^0.4.0",
+    "optimize-css-assets-webpack-plugin": "^4.0.0",
+    "uglifyjs-webpack-plugin": "^1.2.4",
+    "webpack": "4.4.0",
+    "webpack-cli": "^2.0.10"
+  }
+}

assets/static/robots.txt

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+# See http://www.robotstxt.org/robotstxt.html for documentation on how to use the robots.txt file
+#
+# To ban all spiders from the entire site uncomment the next two lines:
+# User-agent: *
+# Disallow: /

assets/webpack.config.js

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+const path = require('path');
+const glob = require('glob');
+const MiniCssExtractPlugin = require('mini-css-extract-plugin');
+const UglifyJsPlugin = require('uglifyjs-webpack-plugin');
+const OptimizeCSSAssetsPlugin = require('optimize-css-assets-webpack-plugin');
+const CopyWebpackPlugin = require('copy-webpack-plugin');
+
+module.exports = (env, options) => ({
+  optimization: {
+    minimizer: [
+      new UglifyJsPlugin({ cache: true, parallel: true, sourceMap: false }),
+      new OptimizeCSSAssetsPlugin({})
+    ]
+  },
+  entry: {
+      './js/app.js': ['./js/app.js'].concat(glob.sync('./vendor/**/*.js'))
+  },
+  output: {
+    filename: 'app.js',
+    path: path.resolve(__dirname, '../priv/static/js')
+  },
+  module: {
+    rules: [
+      {
+        test: /\.js$/,
+        exclude: /node_modules/,
+        use: {
+          loader: 'babel-loader'
+        }
+      },
+      {
+        test: /\.css$/,
+        use: [MiniCssExtractPlugin.loader, 'css-loader']
+      }
+    ]
+  },
+  plugins: [
+    new MiniCssExtractPlugin({ filename: '../css/app.css' }),
+    new CopyWebpackPlugin([{ from: 'static/', to: '../' }])
+  ]
+});

config/config.exs

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+# This file is responsible for configuring your application
+# and its dependencies with the aid of the Mix.Config module.
+#
+# This configuration file is loaded before any dependency and
+# is restricted to this project.
+
+# General application configuration
+use Mix.Config
+
+config :the_mesh,
+  ecto_repos: [TheMesh.Repo]
+
+# Configures the endpoint
+config :the_mesh, TheMeshWeb.Endpoint,
+  url: [host: "localhost"],
+  secret_key_base: "StjDCS/drh8HxlgeM4KAFpXktOeS8L5gi4+jOp6se/50FtxODnOCwEbM+eVE+ZMX",
+  render_errors: [view: TheMeshWeb.ErrorView, accepts: ~w(html json)],
+  pubsub: [name: TheMesh.PubSub, adapter: Phoenix.PubSub.PG2]
+
+# Configures Elixir's Logger
+config :logger, :console,
+  format: "$time $metadata[$level] $message\n",
+  metadata: [:request_id]
+
+# Use Jason for JSON parsing in Phoenix
+config :phoenix, :json_library, Jason
+
+# Import environment specific config. This must remain at the bottom
+# of this file so it overrides the configuration defined above.
+import_config "#{Mix.env()}.exs"

config/dev.exs

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+use Mix.Config
+
+# For development, we disable any cache and enable
+# debugging and code reloading.
+#
+# The watchers configuration can be used to run external
+# watchers to your application. For example, we use it
+# with webpack to recompile .js and .css sources.
+config :the_mesh, TheMeshWeb.Endpoint,
+  http: [port: 4000],
+  debug_errors: true,
+  code_reloader: true,
+  check_origin: false,
+  watchers: [
+    node: [
+      "node_modules/webpack/bin/webpack.js",
+      "--mode",
+      "development",
+      "--watch-stdin",
+      cd: Path.expand("../assets", __DIR__)
+    ]
+  ]
+
+# ## SSL Support
+#
+# In order to use HTTPS in development, a self-signed
+# certificate can be generated by running the following
+# Mix task:
+#
+#     mix phx.gen.cert
+#
+# Note that this task requires Erlang/OTP 20 or later.
+# Run `mix help phx.gen.cert` for more information.
+#
+# The `http:` config above can be replaced with:
+#
+#     https: [
+#       port: 4001,
+#       cipher_suite: :strong,
+#       keyfile: "priv/cert/selfsigned_key.pem",
+#       certfile: "priv/cert/selfsigned.pem"
+#     ],
+#
+# If desired, both `http:` and `https:` keys can be
+# configured to run both http and https servers on
+# different ports.
+
+# Watch static and templates for browser reloading.
+config :the_mesh, TheMeshWeb.Endpoint,
+  live_reload: [
+    patterns: [
+      ~r{priv/static/.*(js|css|png|jpeg|jpg|gif|svg)$},
+      ~r{priv/gettext/.*(po)$},
+      ~r{lib/the_mesh_web/views/.*(ex)$},
+      ~r{lib/the_mesh_web/templates/.*(eex)$}
+    ]
+  ]
+
+# Do not include metadata nor timestamps in development logs
+config :logger, :console, format: "[$level] $message\n"
+
+# Set a higher stacktrace during development. Avoid configuring such
+# in production as building large stacktraces may be expensive.
+config :phoenix, :stacktrace_depth, 20
+
+# Initialize plugs at runtime for faster development compilation
+config :phoenix, :plug_init_mode, :runtime
+
+# Configure your database
+config :the_mesh, TheMesh.Repo,
+  username: "postgres",
+  password: "postgres",
+  database: "the_mesh_dev",
+  hostname: "localhost",
+  pool_size: 10

config/prod.exs

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+use Mix.Config
+
+# For production, don't forget to configure the url host
+# to something meaningful, Phoenix uses this information
+# when generating URLs.
+#
+# Note we also include the path to a cache manifest
+# containing the digested version of static files. This
+# manifest is generated by the `mix phx.digest` task,
+# which you should run after static files are built and
+# before starting your production server.
+config :the_mesh, TheMeshWeb.Endpoint,
+  http: [:inet6, port: System.get_env("PORT") || 4000],
+  url: [host: "example.com", port: 80],
+  cache_static_manifest: "priv/static/cache_manifest.json"
+
+# Do not print debug messages in production
+config :logger, level: :info
+
+# ## SSL Support
+#
+# To get SSL working, you will need to add the `https` key
+# to the previous section and set your `:url` port to 443:
+#
+#     config :the_mesh, TheMeshWeb.Endpoint,
+#       ...
+#       url: [host: "example.com", port: 443],
+#       https: [
+#         :inet6,
+#         port: 443,
+#         cipher_suite: :strong,
+#         keyfile: System.get_env("SOME_APP_SSL_KEY_PATH"),
+#         certfile: System.get_env("SOME_APP_SSL_CERT_PATH")
+#       ]
+#
+# The `cipher_suite` is set to `:strong` to support only the
+# latest and more secure SSL ciphers. This means old browsers
+# and clients may not be supported. You can set it to
+# `:compatible` for wider support.
+#
+# `:keyfile` and `:certfile` expect an absolute path to the key
+# and cert in disk or a relative path inside priv, for example
+# "priv/ssl/server.key". For all supported SSL configuration
+# options, see https://hexdocs.pm/plug/Plug.SSL.html#configure/1
+#
+# We also recommend setting `force_ssl` in your endpoint, ensuring
+# no data is ever sent via http, always redirecting to https:
+#
+#     config :the_mesh, TheMeshWeb.Endpoint,
+#       force_ssl: [hsts: true]
+#
+# Check `Plug.SSL` for all available options in `force_ssl`.
+
+# ## Using releases (distillery)
+#
+# If you are doing OTP releases, you need to instruct Phoenix
+# to start the server for all endpoints:
+#
+#     config :phoenix, :serve_endpoints, true
+#
+# Alternatively, you can configure exactly which server to
+# start per endpoint:
+#
+#     config :the_mesh, TheMeshWeb.Endpoint, server: true
+#
+# Note you can't rely on `System.get_env/1` when using releases.
+# See the releases documentation accordingly.
+
+# Finally import the config/prod.secret.exs which should be versioned
+# separately.
+import_config "prod.secret.exs"

config/prod.secret.exs.templ

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+use Mix.Config
+
+# In this file, we keep production configuration that
+# you'll likely want to automate and keep away from
+# your version control system.
+#
+# You should document the content of this
+# file or create a script for recreating it, since it's
+# kept out of version control and might be hard to recover
+# or recreate for your teammates (or yourself later on).
+config :the_mesh, TheMeshWeb.Endpoint,
+  secret_key_base: "mUXjY3WZcicJztQaKcnL2jTKSm8qBzeU1G1pXwh9Nxgwp3z38istIk0zjWTrNNJ4"
+
+# Configure your database
+config :the_mesh, TheMesh.Repo,
+  username: "postgres",
+  password: "postgres",
+  database: "the_mesh_prod",
+  pool_size: 15

config/test.exs

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+use Mix.Config
+
+# We don't run a server during test. If one is required,
+# you can enable the server option below.
+config :the_mesh, TheMeshWeb.Endpoint,
+  http: [port: 4002],
+  server: false
+
+# Print only warnings and errors during test
+config :logger, level: :warn
+
+# Configure your database
+config :the_mesh, TheMesh.Repo,
+  username: "postgres",
+  password: "postgres",
+  database: "the_mesh_test",
+  hostname: "localhost",
+  pool: Ecto.Adapters.SQL.Sandbox

lib/the_mesh.ex

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+defmodule TheMesh do
+  @moduledoc """
+  TheMesh keeps the contexts that define your domain
+  and business logic.
+
+  Contexts are also responsible for managing your data, regardless
+  if it comes from the database, an external API or others.
+  """
+end

lib/the_mesh/application.ex

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+defmodule TheMesh.Application do
+  # See https://hexdocs.pm/elixir/Application.html
+  # for more information on OTP Applications
+  @moduledoc false
+
+  use Application
+
+  def start(_type, _args) do
+    # List all child processes to be supervised
+    children = [
+      # Start the Ecto repository
+      TheMesh.Repo,
+      # Start the endpoint when the application starts
+      TheMeshWeb.Endpoint
+      # Starts a worker by calling: TheMesh.Worker.start_link(arg)
+      # {TheMesh.Worker, arg},
+    ]
+
+    # See https://hexdocs.pm/elixir/Supervisor.html
+    # for other strategies and supported options
+    opts = [strategy: :one_for_one, name: TheMesh.Supervisor]
+    Supervisor.start_link(children, opts)
+  end
+
+  # Tell Phoenix to update the endpoint configuration
+  # whenever the application is updated.
+  def config_change(changed, _new, removed) do
+    TheMeshWeb.Endpoint.config_change(changed, removed)
+    :ok
+  end
+end

lib/the_mesh/repo.ex

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+defmodule TheMesh.Repo do
+  use Ecto.Repo,
+    otp_app: :the_mesh,
+    adapter: Ecto.Adapters.Postgres
+end

lib/the_mesh_web.ex

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+defmodule TheMeshWeb do
+  @moduledoc """
+  The entrypoint for defining your web interface, such
+  as controllers, views, channels and so on.
+
+  This can be used in your application as:
+
+      use TheMeshWeb, :controller
+      use TheMeshWeb, :view
+
+  The definitions below will be executed for every view,
+  controller, etc, so keep them short and clean, focused
+  on imports, uses and aliases.
+
+  Do NOT define functions inside the quoted expressions
+  below. Instead, define any helper function in modules
+  and import those modules here.
+  """
+
+  def controller do
+    quote do
+      use Phoenix.Controller, namespace: TheMeshWeb
+
+      import Plug.Conn
+      import TheMeshWeb.Gettext
+      alias TheMeshWeb.Router.Helpers, as: Routes
+    end
+  end
+
+  def view do
+    quote do
+      use Phoenix.View,
+        root: "lib/the_mesh_web/templates",
+        namespace: TheMeshWeb
+
+      # Import convenience functions from controllers
+      import Phoenix.Controller, only: [get_flash: 1, get_flash: 2, view_module: 1]
+
+      # Use all HTML functionality (forms, tags, etc)
+      use Phoenix.HTML
+
+      import TheMeshWeb.ErrorHelpers
+      import TheMeshWeb.Gettext
+      alias TheMeshWeb.Router.Helpers, as: Routes
+    end
+  end
+
+  def router do
+    quote do
+      use Phoenix.Router
+      import Plug.Conn
+      import Phoenix.Controller
+    end
+  end
+
+  def channel do
+    quote do
+      use Phoenix.Channel
+      import TheMeshWeb.Gettext
+    end
+  end
+
+  @doc """
+  When used, dispatch to the appropriate controller/view/etc.
+  """
+  defmacro __using__(which) when is_atom(which) do
+    apply(__MODULE__, which, [])
+  end
+end

lib/the_mesh_web/channels/user_socket.ex

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+defmodule TheMeshWeb.UserSocket do
+  use Phoenix.Socket
+
+  ## Channels
+  # channel "room:*", TheMeshWeb.RoomChannel
+
+  # Socket params are passed from the client and can
+  # be used to verify and authenticate a user. After
+  # verification, you can put default assigns into
+  # the socket that will be set for all channels, ie
+  #
+  #     {:ok, assign(socket, :user_id, verified_user_id)}
+  #
+  # To deny connection, return `:error`.
+  #
+  # See `Phoenix.Token` documentation for examples in
+  # performing token verification on connect.
+  def connect(_params, socket, _connect_info) do
+    {:ok, socket}
+  end
+
+  # Socket id's are topics that allow you to identify all sockets for a given user:
+  #
+  #     def id(socket), do: "user_socket:#{socket.assigns.user_id}"
+  #
+  # Would allow you to broadcast a "disconnect" event and terminate
+  # all active sockets and channels for a given user:
+  #
+  #     TheMeshWeb.Endpoint.broadcast("user_socket:#{user.id}", "disconnect", %{})
+  #
+  # Returning `nil` makes this socket anonymous.
+  def id(_socket), do: nil
+end

lib/the_mesh_web/controllers/page_controller.ex

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+defmodule TheMeshWeb.PageController do
+  use TheMeshWeb, :controller
+
+  def index(conn, _params) do
+    render(conn, "index.html")
+  end
+end

lib/the_mesh_web/endpoint.ex

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+defmodule TheMeshWeb.Endpoint do
+  use Phoenix.Endpoint, otp_app: :the_mesh
+
+  socket "/socket", TheMeshWeb.UserSocket,
+    websocket: true,
+    longpoll: false
+
+  # Serve at "/" the static files from "priv/static" directory.
+  #
+  # You should set gzip to true if you are running phx.digest
+  # when deploying your static files in production.
+  plug Plug.Static,
+    at: "/",
+    from: :the_mesh,
+    gzip: false,
+    only: ~w(css fonts images js favicon.ico robots.txt)
+
+  # Code reloading can be explicitly enabled under the
+  # :code_reloader configuration of your endpoint.
+  if code_reloading? do
+    socket "/phoenix/live_reload/socket", Phoenix.LiveReloader.Socket
+    plug Phoenix.LiveReloader
+    plug Phoenix.CodeReloader
+  end
+
+  plug Plug.RequestId
+  plug Plug.Logger
+
+  plug Plug.Parsers,
+    parsers: [:urlencoded, :multipart, :json],
+    pass: ["*/*"],
+    json_decoder: Phoenix.json_library()
+
+  plug Plug.MethodOverride
+  plug Plug.Head
+
+  # The session will be stored in the cookie and signed,
+  # this means its contents can be read but not tampered with.
+  # Set :encryption_salt if you would also like to encrypt it.
+  plug Plug.Session,
+    store: :cookie,
+    key: "_the_mesh_key",
+    signing_salt: "gU591i2M"
+
+  plug TheMeshWeb.Router
+end

lib/the_mesh_web/gettext.ex

@@ -0,0 +1,24 @@
+defmodule TheMeshWeb.Gettext do
+  @moduledoc """
+  A module providing Internationalization with a gettext-based API.
+
+  By using [Gettext](https://hexdocs.pm/gettext),
+  your module gains a set of macros for translations, for example:
+
+      import TheMeshWeb.Gettext
+
+      # Simple translation
+      gettext("Here is the string to translate")
+
+      # Plural translation
+      ngettext("Here is the string to translate",
+               "Here are the strings to translate",
+               3)
+
+      # Domain-based translation
+      dgettext("errors", "Here is the error message to translate")
+
+  See the [Gettext Docs](https://hexdocs.pm/gettext) for detailed usage.
+  """
+  use Gettext, otp_app: :the_mesh
+end

lib/the_mesh_web/router.ex

@@ -0,0 +1,26 @@
+defmodule TheMeshWeb.Router do
+  use TheMeshWeb, :router
+
+  pipeline :browser do
+    plug :accepts, ["html"]
+    plug :fetch_session
+    plug :fetch_flash
+    plug :protect_from_forgery
+    plug :put_secure_browser_headers
+  end
+
+  pipeline :api do
+    plug :accepts, ["json"]
+  end
+
+  scope "/", TheMeshWeb do
+    pipe_through :browser
+
+    get "/", PageController, :index
+  end
+
+  # Other scopes may use custom stacks.
+  # scope "/api", TheMeshWeb do
+  #   pipe_through :api
+  # end
+end

lib/the_mesh_web/templates/layout/app.html.eex

@@ -0,0 +1,30 @@
+<!DOCTYPE html>
+<html lang="en">
+  <head>
+    <meta charset="utf-8"/>
+    <meta http-equiv="X-UA-Compatible" content="IE=edge"/>
+    <meta name="viewport" content="width=device-width, initial-scale=1.0"/>
+    <title>TheMesh · Phoenix Framework</title>
+    <link rel="stylesheet" href="<%= Routes.static_path(@conn, "/css/app.css") %>"/>
+  </head>
+  <body>
+    <header>
+      <section class="container">
+        <nav role="navigation">
+          <ul>
+            <li><a href="https://hexdocs.pm/phoenix/overview.html">Get Started</a></li>
+          </ul>
+        </nav>
+        <a href="http://phoenixframework.org/" class="phx-logo">
+          <img src="<%= Routes.static_path(@conn, "/images/phoenix.png") %>" alt="Phoenix Framework Logo"/>
+        </a>
+      </section>
+    </header>
+    <main role="main" class="container">
+      <p class="alert alert-info" role="alert"><%= get_flash(@conn, :info) %></p>
+      <p class="alert alert-danger" role="alert"><%= get_flash(@conn, :error) %></p>
+      <%= render @view_module, @view_template, assigns %>
+    </main>
+    <script type="text/javascript" src="<%= Routes.static_path(@conn, "/js/app.js") %>"></script>
+  </body>
+</html>

lib/the_mesh_web/templates/page/index.html.eex

@@ -0,0 +1,35 @@
+<section class="phx-hero">
+  <h1><%= gettext "Welcome to %{name}!", name: "Phoenix" %></h1>
+  <p>A productive web framework that<br/>does not compromise speed or maintainability.</p>
+</section>
+
+<section class="row">
+  <article class="column">
+    <h2>Resources</h2>
+    <ul>
+      <li>
+        <a href="https://hexdocs.pm/phoenix/overview.html">Guides &amp; Docs</a>
+      </li>
+      <li>
+        <a href="https://github.com/phoenixframework/phoenix">Source</a>
+      </li>
+      <li>
+        <a href="https://github.com/phoenixframework/phoenix/blob/v1.4/CHANGELOG.md">v1.4 Changelog</a>
+      </li>
+    </ul>
+  </article>
+  <article class="column">
+    <h2>Help</h2>
+    <ul>
+      <li>
+        <a href="https://elixirforum.com/c/phoenix-forum">Forum</a>
+      </li>
+      <li>
+        <a href="https://webchat.freenode.net/?channels=elixir-lang">#elixir-lang on Freenode IRC</a>
+      </li>
+      <li>
+        <a href="https://twitter.com/elixirphoenix">Twitter @elixirphoenix</a>
+      </li>
+    </ul>
+  </article>
+</section>

lib/the_mesh_web/views/error_helpers.ex

@@ -0,0 +1,44 @@
+defmodule TheMeshWeb.ErrorHelpers do
+  @moduledoc """
+  Conveniences for translating and building error messages.
+  """
+
+  use Phoenix.HTML
+
+  @doc """
+  Generates tag for inlined form input errors.
+  """
+  def error_tag(form, field) do
+    Enum.map(Keyword.get_values(form.errors, field), fn error ->
+      content_tag(:span, translate_error(error), class: "help-block")
+    end)
+  end
+
+  @doc """
+  Translates an error message using gettext.
+  """
+  def translate_error({msg, opts}) do
+    # When using gettext, we typically pass the strings we want
+    # to translate as a static argument:
+    #
+    #     # Translate "is invalid" in the "errors" domain
+    #     dgettext("errors", "is invalid")
+    #
+    #     # Translate the number of files with plural rules
+    #     dngettext("errors", "1 file", "%{count} files", count)
+    #
+    # Because the error messages we show in our forms and APIs
+    # are defined inside Ecto, we need to translate them dynamically.
+    # This requires us to call the Gettext module passing our gettext
+    # backend as first argument.
+    #
+    # Note we use the "errors" domain, which means translations
+    # should be written to the errors.po file. The :count option is
+    # set by Ecto and indicates we should also apply plural rules.
+    if count = opts[:count] do
+      Gettext.dngettext(TheMeshWeb.Gettext, "errors", msg, msg, count, opts)
+    else
+      Gettext.dgettext(TheMeshWeb.Gettext, "errors", msg, opts)
+    end
+  end
+end

lib/the_mesh_web/views/error_view.ex

@@ -0,0 +1,16 @@
+defmodule TheMeshWeb.ErrorView do
+  use TheMeshWeb, :view
+
+  # If you want to customize a particular status code
+  # for a certain format, you may uncomment below.
+  # def render("500.html", _assigns) do
+  #   "Internal Server Error"
+  # end
+
+  # By default, Phoenix returns the status message from
+  # the template name. For example, "404.html" becomes
+  # "Not Found".
+  def template_not_found(template, _assigns) do
+    Phoenix.Controller.status_message_from_template(template)
+  end
+end

lib/the_mesh_web/views/layout_view.ex

@@ -0,0 +1,3 @@
+defmodule TheMeshWeb.LayoutView do
+  use TheMeshWeb, :view
+end

lib/the_mesh_web/views/page_view.ex

@@ -0,0 +1,3 @@
+defmodule TheMeshWeb.PageView do
+  use TheMeshWeb, :view
+end

mix.exs

@@ -0,0 +1,62 @@
+defmodule TheMesh.MixProject do
+  use Mix.Project
+
+  def project do
+    [
+      app: :the_mesh,
+      version: "0.1.0",
+      elixir: "~> 1.5",
+      elixirc_paths: elixirc_paths(Mix.env()),
+      compilers: [:phoenix, :gettext] ++ Mix.compilers(),
+      start_permanent: Mix.env() == :prod,
+      aliases: aliases(),
+      deps: deps()
+    ]
+  end
+
+  # Configuration for the OTP application.
+  #
+  # Type `mix help compile.app` for more information.
+  def application do
+    [
+      mod: {TheMesh.Application, []},
+      extra_applications: [:logger, :runtime_tools]
+    ]
+  end
+
+  # Specifies which paths to compile per environment.
+  defp elixirc_paths(:test), do: ["lib", "test/support"]
+  defp elixirc_paths(_), do: ["lib"]
+
+  # Specifies your project dependencies.
+  #
+  # Type `mix help deps` for examples and options.
+  defp deps do
+    [
+      {:phoenix, "~> 1.4.2"},
+      {:phoenix_pubsub, "~> 1.1"},
+      {:phoenix_ecto, "~> 4.0"},
+      {:ecto_sql, "~> 3.0"},
+      {:postgrex, ">= 0.0.0"},
+      {:phoenix_html, "~> 2.11"},
+      {:phoenix_live_reload, "~> 1.2", only: :dev},
+      {:gettext, "~> 0.11"},
+      {:jason, "~> 1.0"},
+      {:plug_cowboy, "~> 2.0"}
+    ]
+  end
+
+  # Aliases are shortcuts or tasks specific to the current project.
+  # For example, to create, migrate and run the seeds file at once:
+  #
+  #     $ mix ecto.setup
+  #
+  # See the documentation for `Mix` for more info on aliases.
+  defp aliases do
+    [
+      "ecto.setup": ["ecto.create", "ecto.migrate", "run priv/repo/seeds.exs"],
+      "ecto.reset": ["ecto.drop", "ecto.setup"],
+      test: ["ecto.create --quiet", "ecto.migrate", "test"]
+    ]
+  end
+end

mix.lock

@@ -0,0 +1,24 @@
+%{
+  "connection": {:hex, :connection, "1.0.4", "a1cae72211f0eef17705aaededacac3eb30e6625b04a6117c1b2db6ace7d5976", [:mix], [], "hexpm"},
+  "cowboy": {:hex, :cowboy, "2.6.1", "f2e06f757c337b3b311f9437e6e072b678fcd71545a7b2865bdaa154d078593f", [:rebar3], [{:cowlib, "~> 2.7.0", [hex: :cowlib, repo: "hexpm", optional: false]}, {:ranch, "~> 1.7.1", [hex: :ranch, repo: "hexpm", optional: false]}], "hexpm"},
+  "cowlib": {:hex, :cowlib, "2.7.0", "3ef16e77562f9855a2605900cedb15c1462d76fb1be6a32fc3ae91973ee543d2", [:rebar3], [], "hexpm"},
+  "db_connection": {:hex, :db_connection, "2.0.5", "ddb2ba6761a08b2bb9ca0e7d260e8f4dd39067426d835c24491a321b7f92a4da", [:mix], [{:connection, "~> 1.0.2", [hex: :connection, repo: "hexpm", optional: false]}], "hexpm"},
+  "decimal": {:hex, :decimal, "1.7.0", "30d6b52c88541f9a66637359ddf85016df9eb266170d53105f02e4a67e00c5aa", [:mix], [], "hexpm"},
+  "ecto": {:hex, :ecto, "3.0.7", "44dda84ac6b17bbbdeb8ac5dfef08b7da253b37a453c34ab1a98de7f7e5fec7f", [:mix], [{:decimal, "~> 1.6", [hex: :decimal, repo: "hexpm", optional: false]}, {:jason, "~> 1.0", [hex: :jason, repo: "hexpm", optional: true]}, {:poison, "~> 2.2 or ~> 3.0", [hex: :poison, repo: "hexpm", optional: true]}], "hexpm"},
+  "ecto_sql": {:hex, :ecto_sql, "3.0.5", "7e44172b4f7aca4469f38d7f6a3da394dbf43a1bcf0ca975e958cb957becd74e", [:mix], [{:db_connection, "~> 2.0", [hex: :db_connection, repo: "hexpm", optional: false]}, {:ecto, "~> 3.0.6", [hex: :ecto, repo: "hexpm", optional: false]}, {:mariaex, "~> 0.9.1", [hex: :mariaex, repo: "hexpm", optional: true]}, {:postgrex, "~> 0.14.0", [hex: :postgrex, repo: "hexpm", optional: true]}, {:telemetry, "~> 0.3.0", [hex: :telemetry, repo: "hexpm", optional: false]}], "hexpm"},
+  "file_system": {:hex, :file_system, "0.2.6", "fd4dc3af89b9ab1dc8ccbcc214a0e60c41f34be251d9307920748a14bf41f1d3", [:mix], [], "hexpm"},
+  "gettext": {:hex, :gettext, "0.16.1", "e2130b25eebcbe02bb343b119a07ae2c7e28bd4b146c4a154da2ffb2b3507af2", [:mix], [], "hexpm"},
+  "jason": {:hex, :jason, "1.1.2", "b03dedea67a99223a2eaf9f1264ce37154564de899fd3d8b9a21b1a6fd64afe7", [:mix], [{:decimal, "~> 1.0", [hex: :decimal, repo: "hexpm", optional: true]}], "hexpm"},
+  "mime": {:hex, :mime, "1.3.1", "30ce04ab3175b6ad0bdce0035cba77bba68b813d523d1aac73d9781b4d193cf8", [:mix], [], "hexpm"},
+  "phoenix": {:hex, :phoenix, "1.4.2", "3a1250f22010daeee265923bae02f10b5434b569b999c1b18100b5da05834d93", [:mix], [{:jason, "~> 1.0", [hex: :jason, repo: "hexpm", optional: true]}, {:phoenix_pubsub, "~> 1.1", [hex: :phoenix_pubsub, repo: "hexpm", optional: false]}, {:plug, "~> 1.7", [hex: :plug, repo: "hexpm", optional: false]}, {:plug_cowboy, "~> 1.0 or ~> 2.0", [hex: :plug_cowboy, repo: "hexpm", optional: true]}], "hexpm"},
+  "phoenix_ecto": {:hex, :phoenix_ecto, "4.0.0", "c43117a136e7399ea04ecaac73f8f23ee0ffe3e07acfcb8062fe5f4c9f0f6531", [:mix], [{:ecto, "~> 3.0", [hex: :ecto, repo: "hexpm", optional: false]}, {:phoenix_html, "~> 2.9", [hex: :phoenix_html, repo: "hexpm", optional: true]}, {:plug, "~> 1.0", [hex: :plug, repo: "hexpm", optional: false]}], "hexpm"},
+  "phoenix_html": {:hex, :phoenix_html, "2.13.1", "fa8f034b5328e2dfa0e4131b5569379003f34bc1fafdaa84985b0b9d2f12e68b", [:mix], [{:plug, "~> 1.5", [hex: :plug, repo: "hexpm", optional: false]}], "hexpm"},
+  "phoenix_live_reload": {:hex, :phoenix_live_reload, "1.2.0", "3bb31a9fbd40ffe8652e60c8660dffd72dd231efcdf49b744fb75b9ef7db5dd2", [:mix], [{:file_system, "~> 0.2.1 or ~> 0.3", [hex: :file_system, repo: "hexpm", optional: false]}, {:phoenix, "~> 1.4", [hex: :phoenix, repo: "hexpm", optional: false]}], "hexpm"},
+  "phoenix_pubsub": {:hex, :phoenix_pubsub, "1.1.2", "496c303bdf1b2e98a9d26e89af5bba3ab487ba3a3735f74bf1f4064d2a845a3e", [:mix], [], "hexpm"},
+  "plug": {:hex, :plug, "1.7.2", "d7b7db7fbd755e8283b6c0a50be71ec0a3d67d9213d74422d9372effc8e87fd1", [:mix], [{:mime, "~> 1.0", [hex: :mime, repo: "hexpm", optional: false]}, {:plug_crypto, "~> 1.0", [hex: :plug_crypto, repo: "hexpm", optional: false]}], "hexpm"},
+  "plug_cowboy": {:hex, :plug_cowboy, "2.0.2", "6055f16868cc4882b24b6e1d63d2bada94fb4978413377a3b32ac16c18dffba2", [:mix], [{:cowboy, "~> 2.5", [hex: :cowboy, repo: "hexpm", optional: false]}, {:plug, "~> 1.7", [hex: :plug, repo: "hexpm", optional: false]}], "hexpm"},
+  "plug_crypto": {:hex, :plug_crypto, "1.0.0", "18e49317d3fa343f24620ed22795ec29d4a5e602d52d1513ccea0b07d8ea7d4d", [:mix], [], "hexpm"},
+  "postgrex": {:hex, :postgrex, "0.14.1", "63247d4a5ad6b9de57a0bac5d807e1c32d41e39c04b8a4156a26c63bcd8a2e49", [:mix], [{:connection, "~> 1.0", [hex: :connection, repo: "hexpm", optional: false]}, {:db_connection, "~> 2.0", [hex: :db_connection, repo: "hexpm", optional: false]}, {:decimal, "~> 1.5", [hex: :decimal, repo: "hexpm", optional: false]}, {:jason, "~> 1.0", [hex: :jason, repo: "hexpm", optional: true]}], "hexpm"},
+  "ranch": {:hex, :ranch, "1.7.1", "6b1fab51b49196860b733a49c07604465a47bdb78aa10c1c16a3d199f7f8c881", [:rebar3], [], "hexpm"},
+  "telemetry": {:hex, :telemetry, "0.3.0", "099a7f3ce31e4780f971b4630a3c22ec66d22208bc090fe33a2a3a6a67754a73", [:rebar3], [], "hexpm"},
+}

priv/gettext/en/LC_MESSAGES/errors.po

@@ -0,0 +1,97 @@
+## `msgid`s in this file come from POT (.pot) files.
+##
+## Do not add, change, or remove `msgid`s manually here as
+## they're tied to the ones in the corresponding POT file
+## (with the same domain).
+##
+## Use `mix gettext.extract --merge` or `mix gettext.merge`
+## to merge POT files into PO files.
+msgid ""
+msgstr ""
+"Language: en\n"
+
+## From Ecto.Changeset.cast/4
+msgid "can't be blank"
+msgstr ""
+
+## From Ecto.Changeset.unique_constraint/3
+msgid "has already been taken"
+msgstr ""
+
+## From Ecto.Changeset.put_change/3
+msgid "is invalid"
+msgstr ""
+
+## From Ecto.Changeset.validate_acceptance/3
+msgid "must be accepted"
+msgstr ""
+
+## From Ecto.Changeset.validate_format/3
+msgid "has invalid format"
+msgstr ""
+
+## From Ecto.Changeset.validate_subset/3
+msgid "has an invalid entry"
+msgstr ""
+
+## From Ecto.Changeset.validate_exclusion/3
+msgid "is reserved"
+msgstr ""
+
+## From Ecto.Changeset.validate_confirmation/3
+msgid "does not match confirmation"
+msgstr ""
+
+## From Ecto.Changeset.no_assoc_constraint/3
+msgid "is still associated with this entry"
+msgstr ""
+
+msgid "are still associated with this entry"
+msgstr ""
+
+## From Ecto.Changeset.validate_length/3
+msgid "should be %{count} character(s)"
+msgid_plural "should be %{count} character(s)"
+msgstr[0] ""
+msgstr[1] ""
+
+msgid "should have %{count} item(s)"
+msgid_plural "should have %{count} item(s)"
+msgstr[0] ""
+msgstr[1] ""
+
+msgid "should be at least %{count} character(s)"
+msgid_plural "should be at least %{count} character(s)"
+msgstr[0] ""
+msgstr[1] ""
+
+msgid "should have at least %{count} item(s)"
+msgid_plural "should have at least %{count} item(s)"
+msgstr[0] ""
+msgstr[1] ""
+
+msgid "should be at most %{count} character(s)"
+msgid_plural "should be at most %{count} character(s)"
+msgstr[0] ""
+msgstr[1] ""
+
+msgid "should have at most %{count} item(s)"
+msgid_plural "should have at most %{count} item(s)"
+msgstr[0] ""
+msgstr[1] ""
+
+## From Ecto.Changeset.validate_number/3
+msgid "must be less than %{number}"
+msgstr ""
+
+msgid "must be greater than %{number}"
+msgstr ""
+
+msgid "must be less than or equal to %{number}"
+msgstr ""
+
+msgid "must be greater than or equal to %{number}"
+msgstr ""
+
+msgid "must be equal to %{number}"
+msgstr ""

priv/gettext/errors.pot

@@ -0,0 +1,95 @@
+## This is a PO Template file.
+##
+## `msgid`s here are often extracted from source code.
+## Add new translations manually only if they're dynamic
+## translations that can't be statically extracted.
+##
+## Run `mix gettext.extract` to bring this file up to
+## date. Leave `msgstr`s empty as changing them here has no
+## effect: edit them in PO (`.po`) files instead.
+
+## From Ecto.Changeset.cast/4
+msgid "can't be blank"
+msgstr ""
+
+## From Ecto.Changeset.unique_constraint/3
+msgid "has already been taken"
+msgstr ""
+
+## From Ecto.Changeset.put_change/3
+msgid "is invalid"
+msgstr ""
+
+## From Ecto.Changeset.validate_acceptance/3
+msgid "must be accepted"
+msgstr ""
+
+## From Ecto.Changeset.validate_format/3
+msgid "has invalid format"
+msgstr ""
+
+## From Ecto.Changeset.validate_subset/3
+msgid "has an invalid entry"
+msgstr ""
+
+## From Ecto.Changeset.validate_exclusion/3
+msgid "is reserved"
+msgstr ""
+
+## From Ecto.Changeset.validate_confirmation/3
+msgid "does not match confirmation"
+msgstr ""
+
+## From Ecto.Changeset.no_assoc_constraint/3
+msgid "is still associated with this entry"
+msgstr ""
+
+msgid "are still associated with this entry"
+msgstr ""
+
+## From Ecto.Changeset.validate_length/3
+msgid "should be %{count} character(s)"
+msgid_plural "should be %{count} character(s)"
+msgstr[0] ""
+msgstr[1] ""
+
+msgid "should have %{count} item(s)"
+msgid_plural "should have %{count} item(s)"
+msgstr[0] ""
+msgstr[1] ""
+
+msgid "should be at least %{count} character(s)"
+msgid_plural "should be at least %{count} character(s)"
+msgstr[0] ""
+msgstr[1] ""
+
+msgid "should have at least %{count} item(s)"
+msgid_plural "should have at least %{count} item(s)"
+msgstr[0] ""
+msgstr[1] ""
+
+msgid "should be at most %{count} character(s)"
+msgid_plural "should be at most %{count} character(s)"
+msgstr[0] ""
+msgstr[1] ""
+
+msgid "should have at most %{count} item(s)"
+msgid_plural "should have at most %{count} item(s)"
+msgstr[0] ""
+msgstr[1] ""
+
+## From Ecto.Changeset.validate_number/3
+msgid "must be less than %{number}"
+msgstr ""
+
+msgid "must be greater than %{number}"
+msgstr ""
+
+msgid "must be less than or equal to %{number}"
+msgstr ""
+
+msgid "must be greater than or equal to %{number}"
+msgstr ""
+
+msgid "must be equal to %{number}"
+msgstr ""

priv/repo/migrations/.formatter.exs

@@ -0,0 +1,4 @@
+[
+  import_deps: [:ecto_sql],
+  inputs: ["*.exs"]
+]

priv/repo/seeds.exs

@@ -0,0 +1,11 @@
+# Script for populating the database. You can run it as:
+#
+#     mix run priv/repo/seeds.exs
+#
+# Inside the script, you can read and write to any of your
+# repositories directly:
+#
+#     TheMesh.Repo.insert!(%TheMesh.SomeSchema{})
+#
+# We recommend using the bang functions (`insert!`, `update!`
+# and so on) as they will fail if something goes wrong.

test/support/channel_case.ex

@@ -0,0 +1,37 @@
+defmodule TheMeshWeb.ChannelCase do
+  @moduledoc """
+  This module defines the test case to be used by
+  channel tests.
+
+  Such tests rely on `Phoenix.ChannelTest` and also
+  import other functionality to make it easier
+  to build common data structures and query the data layer.
+
+  Finally, if the test case interacts with the database,
+  it cannot be async. For this reason, every test runs
+  inside a transaction which is reset at the beginning
+  of the test unless the test case is marked as async.
+  """
+
+  use ExUnit.CaseTemplate
+
+  using do
+    quote do
+      # Import conveniences for testing with channels
+      use Phoenix.ChannelTest
+
+      # The default endpoint for testing
+      @endpoint TheMeshWeb.Endpoint
+    end
+  end
+
+  setup tags do
+    :ok = Ecto.Adapters.SQL.Sandbox.checkout(TheMesh.Repo)
+
+    unless tags[:async] do
+      Ecto.Adapters.SQL.Sandbox.mode(TheMesh.Repo, {:shared, self()})
+    end
+
+    :ok
+  end
+end

test/support/conn_case.ex

@@ -0,0 +1,38 @@
+defmodule TheMeshWeb.ConnCase do
+  @moduledoc """
+  This module defines the test case to be used by
+  tests that require setting up a connection.
+
+  Such tests rely on `Phoenix.ConnTest` and also
+  import other functionality to make it easier
+  to build common data structures and query the data layer.
+
+  Finally, if the test case interacts with the database,
+  it cannot be async. For this reason, every test runs
+  inside a transaction which is reset at the beginning
+  of the test unless the test case is marked as async.
+  """
+
+  use ExUnit.CaseTemplate
+
+  using do
+    quote do
+      # Import conveniences for testing with connections
+      use Phoenix.ConnTest
+      alias TheMeshWeb.Router.Helpers, as: Routes
+
+      # The default endpoint for testing
+      @endpoint TheMeshWeb.Endpoint
+    end
+  end
+
+  setup tags do
+    :ok = Ecto.Adapters.SQL.Sandbox.checkout(TheMesh.Repo)
+
+    unless tags[:async] do
+      Ecto.Adapters.SQL.Sandbox.mode(TheMesh.Repo, {:shared, self()})
+    end
+
+    {:ok, conn: Phoenix.ConnTest.build_conn()}
+  end
+end

test/support/data_case.ex

@@ -0,0 +1,53 @@
+defmodule TheMesh.DataCase do
+  @moduledoc """
+  This module defines the setup for tests requiring
+  access to the application's data layer.
+
+  You may define functions here to be used as helpers in
+  your tests.
+
+  Finally, if the test case interacts with the database,
+  it cannot be async. For this reason, every test runs
+  inside a transaction which is reset at the beginning
+  of the test unless the test case is marked as async.
+  """
+
+  use ExUnit.CaseTemplate
+
+  using do
+    quote do
+      alias TheMesh.Repo
+
+      import Ecto
+      import Ecto.Changeset
+      import Ecto.Query
+      import TheMesh.DataCase
+    end
+  end
+
+  setup tags do
+    :ok = Ecto.Adapters.SQL.Sandbox.checkout(TheMesh.Repo)
+
+    unless tags[:async] do
+      Ecto.Adapters.SQL.Sandbox.mode(TheMesh.Repo, {:shared, self()})
+    end
+
+    :ok
+  end
+
+  @doc """
+  A helper that transforms changeset errors into a map of messages.
+
+      assert {:error, changeset} = Accounts.create_user(%{password: "short"})
+      assert "password is too short" in errors_on(changeset).password
+      assert %{password: ["password is too short"]} = errors_on(changeset)
+
+  """
+  def errors_on(changeset) do
+    Ecto.Changeset.traverse_errors(changeset, fn {message, opts} ->
+      Enum.reduce(opts, message, fn {key, value}, acc ->
+        String.replace(acc, "%{#{key}}", to_string(value))
+      end)
+    end)
+  end
+end

test/test_helper.exs

@@ -0,0 +1,2 @@
+ExUnit.start()
+Ecto.Adapters.SQL.Sandbox.mode(TheMesh.Repo, :manual)

test/the_mesh_web/controllers/page_controller_test.exs

@@ -0,0 +1,8 @@
+defmodule TheMeshWeb.PageControllerTest do
+  use TheMeshWeb.ConnCase
+
+  test "GET /", %{conn: conn} do
+    conn = get(conn, "/")
+    assert html_response(conn, 200) =~ "Welcome to Phoenix!"
+  end
+end

test/the_mesh_web/views/error_view_test.exs

@@ -0,0 +1,14 @@
+defmodule TheMeshWeb.ErrorViewTest do
+  use TheMeshWeb.ConnCase, async: true
+
+  # Bring render/3 and render_to_string/3 for testing custom views
+  import Phoenix.View
+
+  test "renders 404.html" do
+    assert render_to_string(TheMeshWeb.ErrorView, "404.html", []) == "Not Found"
+  end
+
+  test "renders 500.html" do
+    assert render_to_string(TheMeshWeb.ErrorView, "500.html", []) == "Internal Server Error"
+  end
+end

test/the_mesh_web/views/layout_view_test.exs

@@ -0,0 +1,3 @@
+defmodule TheMeshWeb.LayoutViewTest do
+  use TheMeshWeb.ConnCase, async: true
+end

test/the_mesh_web/views/page_view_test.exs

@@ -0,0 +1,3 @@
+defmodule TheMeshWeb.PageViewTest do
+  use TheMeshWeb.ConnCase, async: true
+end