Initial commit

.formatter.exs

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+[
+  import_deps: [:phoenix],
+  plugins: [Phoenix.LiveView.HTMLFormatter],
+  inputs: ["*.{heex,ex,exs}", "{config,lib,test}/**/*.{heex,ex,exs}"]
+]

.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
+
+# Temporary files, for example, from tests.
+/tmp/
+
+# Ignore package tarball (built via "mix hex.build").
+chai-*.tar
+
+# Ignore assets that are produced by build tools.
+/priv/static/assets/
+
+# Ignore digested assets cache.
+/priv/static/cache_manifest.json
+
+# In case you use Node.js/npm, you want to ignore these.
+npm-debug.log
+/assets/node_modules/

README.md

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+# Chai 🍵

assets/css/app.css

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+@import "tailwindcss/base";
+@import "tailwindcss/components";
+@import "tailwindcss/utilities";
+
+/* This file is for your main application CSS */

assets/js/app.js

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+import "phoenix_html";
+import { Socket } from "phoenix";
+import { LiveSocket } from "phoenix_live_view";
+import topbar from "../vendor/topbar";
+
+let csrfToken = document
+  .querySelector("meta[name='csrf-token']")
+  .getAttribute("content");
+
+let liveSocket = new LiveSocket("/live", Socket, {
+  params: { _csrf_token: csrfToken },
+});
+
+// Show progress bar on live navigation and form submits
+topbar.config({ barColors: { 0: "#29d" }, shadowColor: "rgba(0, 0, 0, .3)" });
+window.addEventListener("phx:page-loading-start", (_info) => topbar.show(300));
+window.addEventListener("phx:page-loading-stop", (_info) => topbar.hide());
+
+// Connect if there are any LiveViews on the page
+liveSocket.connect();
+
+// Expose liveSocket on window for web console debug logs and latency simulation:
+// >> liveSocket.enableDebug()
+// >> liveSocket.enableLatencySim(1000)  // enabled for duration of browser session
+// >> liveSocket.disableLatencySim()
+window.liveSocket = liveSocket;

assets/tailwind.config.js

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+const plugin = require("tailwindcss/plugin");
+const fs = require("fs");
+const path = require("path");
+
+module.exports = {
+  content: ["./js/**/*.js", "../lib/*_web.ex", "../lib/*_web/**/*.*ex"],
+  theme: {
+    extend: {
+      colors: {
+        brand: "#FD4F00",
+      },
+    },
+  },
+  plugins: [
+    require("@tailwindcss/forms"),
+    plugin(({ addVariant }) =>
+      addVariant("phx-no-feedback", [".phx-no-feedback&", ".phx-no-feedback &"])
+    ),
+    plugin(({ addVariant }) =>
+      addVariant("phx-click-loading", [
+        ".phx-click-loading&",
+        ".phx-click-loading &",
+      ])
+    ),
+    plugin(({ addVariant }) =>
+      addVariant("phx-submit-loading", [
+        ".phx-submit-loading&",
+        ".phx-submit-loading &",
+      ])
+    ),
+    plugin(({ addVariant }) =>
+      addVariant("phx-change-loading", [
+        ".phx-change-loading&",
+        ".phx-change-loading &",
+      ])
+    ),
+
+    plugin(function ({ matchComponents, theme }) {
+      let iconsDir = path.join(__dirname, "../priv/hero_icons/optimized");
+      let values = {};
+      let icons = [
+        ["", "/24/outline"],
+        ["-solid", "/24/solid"],
+        ["-mini", "/20/solid"],
+      ];
+      icons.forEach(([suffix, dir]) => {
+        fs.readdirSync(path.join(iconsDir, dir)).map((file) => {
+          let name = path.basename(file, ".svg") + suffix;
+          values[name] = { name, fullPath: path.join(iconsDir, dir, file) };
+        });
+      });
+      matchComponents(
+        {
+          hero: ({ name, fullPath }) => {
+            let content = fs
+              .readFileSync(fullPath)
+              .toString()
+              .replace(/\r?\n|\r/g, "");
+            return {
+              [`--hero-${name}`]: `url('data:image/svg+xml;utf8,${content}')`,
+              "-webkit-mask": `var(--hero-${name})`,
+              mask: `var(--hero-${name})`,
+              "background-color": "currentColor",
+              "vertical-align": "middle",
+              display: "inline-block",
+              width: theme("spacing.5"),
+              height: theme("spacing.5"),
+            };
+          },
+        },
+        { values }
+      );
+    }),
+  ],
+};

assets/vendor/topbar.js

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+/**
+ * @license MIT
+ * topbar 2.0.0, 2023-02-04
+ * https://buunguyen.github.io/topbar
+ * Copyright (c) 2021 Buu Nguyen
+ */
+(function (window, document) {
+  "use strict";
+
+  // https://gist.github.com/paulirish/1579671
+  (function () {
+    var lastTime = 0;
+    var vendors = ["ms", "moz", "webkit", "o"];
+    for (var x = 0; x < vendors.length && !window.requestAnimationFrame; ++x) {
+      window.requestAnimationFrame =
+        window[vendors[x] + "RequestAnimationFrame"];
+      window.cancelAnimationFrame =
+        window[vendors[x] + "CancelAnimationFrame"] ||
+        window[vendors[x] + "CancelRequestAnimationFrame"];
+    }
+    if (!window.requestAnimationFrame)
+      window.requestAnimationFrame = function (callback, element) {
+        var currTime = new Date().getTime();
+        var timeToCall = Math.max(0, 16 - (currTime - lastTime));
+        var id = window.setTimeout(function () {
+          callback(currTime + timeToCall);
+        }, timeToCall);
+        lastTime = currTime + timeToCall;
+        return id;
+      };
+    if (!window.cancelAnimationFrame)
+      window.cancelAnimationFrame = function (id) {
+        clearTimeout(id);
+      };
+  })();
+
+  var canvas,
+    currentProgress,
+    showing,
+    progressTimerId = null,
+    fadeTimerId = null,
+    delayTimerId = null,
+    addEvent = function (elem, type, handler) {
+      if (elem.addEventListener) elem.addEventListener(type, handler, false);
+      else if (elem.attachEvent) elem.attachEvent("on" + type, handler);
+      else elem["on" + type] = handler;
+    },
+    options = {
+      autoRun: true,
+      barThickness: 3,
+      barColors: {
+        0: "rgba(26,  188, 156, .9)",
+        ".25": "rgba(52,  152, 219, .9)",
+        ".50": "rgba(241, 196, 15,  .9)",
+        ".75": "rgba(230, 126, 34,  .9)",
+        "1.0": "rgba(211, 84,  0,   .9)",
+      },
+      shadowBlur: 10,
+      shadowColor: "rgba(0,   0,   0,   .6)",
+      className: null,
+    },
+    repaint = function () {
+      canvas.width = window.innerWidth;
+      canvas.height = options.barThickness * 5; // need space for shadow
+
+      var ctx = canvas.getContext("2d");
+      ctx.shadowBlur = options.shadowBlur;
+      ctx.shadowColor = options.shadowColor;
+
+      var lineGradient = ctx.createLinearGradient(0, 0, canvas.width, 0);
+      for (var stop in options.barColors)
+        lineGradient.addColorStop(stop, options.barColors[stop]);
+      ctx.lineWidth = options.barThickness;
+      ctx.beginPath();
+      ctx.moveTo(0, options.barThickness / 2);
+      ctx.lineTo(
+        Math.ceil(currentProgress * canvas.width),
+        options.barThickness / 2
+      );
+      ctx.strokeStyle = lineGradient;
+      ctx.stroke();
+    },
+    createCanvas = function () {
+      canvas = document.createElement("canvas");
+      var style = canvas.style;
+      style.position = "fixed";
+      style.top = style.left = style.right = style.margin = style.padding = 0;
+      style.zIndex = 100001;
+      style.display = "none";
+      if (options.className) canvas.classList.add(options.className);
+      document.body.appendChild(canvas);
+      addEvent(window, "resize", repaint);
+    },
+    topbar = {
+      config: function (opts) {
+        for (var key in opts)
+          if (options.hasOwnProperty(key)) options[key] = opts[key];
+      },
+      show: function (delay) {
+        if (showing) return;
+        if (delay) {
+          if (delayTimerId) return;
+          delayTimerId = setTimeout(() => topbar.show(), delay);
+        } else  {
+          showing = true;
+          if (fadeTimerId !== null) window.cancelAnimationFrame(fadeTimerId);
+          if (!canvas) createCanvas();
+          canvas.style.opacity = 1;
+          canvas.style.display = "block";
+          topbar.progress(0);
+          if (options.autoRun) {
+            (function loop() {
+              progressTimerId = window.requestAnimationFrame(loop);
+              topbar.progress(
+                "+" + 0.05 * Math.pow(1 - Math.sqrt(currentProgress), 2)
+              );
+            })();
+          }
+        }
+      },
+      progress: function (to) {
+        if (typeof to === "undefined") return currentProgress;
+        if (typeof to === "string") {
+          to =
+            (to.indexOf("+") >= 0 || to.indexOf("-") >= 0
+              ? currentProgress
+              : 0) + parseFloat(to);
+        }
+        currentProgress = to > 1 ? 1 : to;
+        repaint();
+        return currentProgress;
+      },
+      hide: function () {
+        clearTimeout(delayTimerId);
+        delayTimerId = null;
+        if (!showing) return;
+        showing = false;
+        if (progressTimerId != null) {
+          window.cancelAnimationFrame(progressTimerId);
+          progressTimerId = null;
+        }
+        (function loop() {
+          if (topbar.progress("+.1") >= 1) {
+            canvas.style.opacity -= 0.05;
+            if (canvas.style.opacity <= 0.05) {
+              canvas.style.display = "none";
+              fadeTimerId = null;
+              return;
+            }
+          }
+          fadeTimerId = window.requestAnimationFrame(loop);
+        })();
+      },
+    };
+
+  if (typeof module === "object" && typeof module.exports === "object") {
+    module.exports = topbar;
+  } else if (typeof define === "function" && define.amd) {
+    define(function () {
+      return topbar;
+    });
+  } else {
+    this.topbar = topbar;
+  }
+}.call(this, window, document));

config/config.exs

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+import Config
+
+# Configures the endpoint
+config :chai, ChaiWeb.Endpoint,
+  url: [host: "localhost"],
+  render_errors: [
+    formats: [html: ChaiWeb.ErrorHTML],
+    layout: false
+  ],
+  pubsub_server: Chai.PubSub,
+  live_view: [signing_salt: "HhjjaWHp"]
+
+# Configure esbuild (the version is required)
+config :esbuild,
+  version: "0.14.41",
+  default: [
+    args:
+      ~w(js/app.js --bundle --target=es2017 --outdir=../priv/static/assets --external:/fonts/* --external:/images/*),
+    cd: Path.expand("../assets", __DIR__),
+    env: %{"NODE_PATH" => Path.expand("../deps", __DIR__)}
+  ]
+
+# Configure tailwind (the version is required)
+config :tailwind,
+  version: "3.2.4",
+  default: [
+    args: ~w(
+      --config=tailwind.config.js
+      --input=css/app.css
+      --output=../priv/static/assets/app.css
+    ),
+    cd: Path.expand("../assets", __DIR__)
+  ]
+
+# 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 "#{config_env()}.exs"

config/dev.exs

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+import Config
+
+# For development, we disable any cache and enable
+# debugging and code reloading.
+config :chai, ChaiWeb.Endpoint,
+  # Binding to loopback ipv4 address prevents access from other machines.
+  # Change to `ip: {0, 0, 0, 0}` to allow access from other machines.
+  http: [ip: {127, 0, 0, 1}, port: 4040],
+  check_origin: false,
+  code_reloader: true,
+  debug_errors: true,
+  secret_key_base: "POQcb0mcoX3qbIKsRel3LlM4dvpDOssogUkyUN9Tyt4TPLgtQWKzDnjxxedUfcxC",
+  watchers: [
+    esbuild: {Esbuild, :install_and_run, [:default, ~w(--sourcemap=inline --watch)]},
+    tailwind: {Tailwind, :install_and_run, [:default, ~w(--watch)]}
+  ]
+
+# Watch static and templates for browser reloading.
+config :chai, ChaiWeb.Endpoint,
+  live_reload: [
+    patterns: [
+      ~r"priv/static/.*(js|css|png|jpeg|jpg|gif|svg)$",
+      ~r"lib/chai_web/(controllers|live|components)/.*(ex|heex)$"
+    ]
+  ]
+
+# Enable dev routes for dashboard and mailbox
+config :chai, dev_routes: true
+
+# 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

config/prod.exs

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+import 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 :chai, ChaiWeb.Endpoint, cache_static_manifest: "priv/static/cache_manifest.json"
+
+# Do not print debug messages in production
+config :logger, level: :info
+
+# Runtime production configuration, including reading
+# of environment variables, is done on config/runtime.exs.

config/runtime.exs

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+import Config
+
+if System.get_env("PHX_SERVER") do
+  config :chai, ChaiWeb.Endpoint, server: true
+end
+
+if config_env() == :prod do
+  secret_key_base =
+    System.get_env("SECRET_KEY_BASE") ||
+      raise """
+      environment variable SECRET_KEY_BASE is missing.
+      You can generate one by calling: mix phx.gen.secret
+      """
+
+  host = System.get_env("PHX_HOST") || "example.com"
+  port = String.to_integer(System.get_env("PORT") || "4000")
+
+  config :chai, ChaiWeb.Endpoint,
+    url: [host: host, port: 443, scheme: "https"],
+    http: [
+      ip: {0, 0, 0, 0, 0, 0, 0, 0},
+      port: port
+    ],
+    secret_key_base: secret_key_base
+end

config/test.exs

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+import Config
+
+# We don't run a server during test. If one is required,
+# you can enable the server option below.
+config :chai, ChaiWeb.Endpoint,
+  http: [ip: {127, 0, 0, 1}, port: 4002],
+  secret_key_base: "kKQJBTFBlnw1PnHtYTDG3G9sfIuXM3DxJLCyhmxnfyJ9wdAwOdRfthMTQR+Xa4ln",
+  server: false
+
+# Print only warnings and errors during test
+config :logger, level: :warning
+
+# Initialize plugs at runtime for faster test compilation
+config :phoenix, :plug_init_mode, :runtime

lib/chai.ex

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+defmodule Chai do
+end

lib/chai/application.ex

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+defmodule Chai.Application do
+  @moduledoc false
+
+  use Application
+
+  @impl true
+  def start(_type, _args) do
+    children = [
+      # Start the Telemetry supervisor
+      ChaiWeb.Telemetry,
+      # Start the PubSub system
+      {Phoenix.PubSub, name: Chai.PubSub},
+      # Start the Endpoint (http/https)
+      ChaiWeb.Endpoint
+    ]
+
+    opts = [strategy: :one_for_one, name: Chai.Supervisor]
+    Supervisor.start_link(children, opts)
+  end
+
+  # Tell Phoenix to update the endpoint configuration
+  # whenever the application is updated.
+  @impl true
+  def config_change(changed, _new, removed) do
+    ChaiWeb.Endpoint.config_change(changed, removed)
+    :ok
+  end
+end

lib/chai_web.ex

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+defmodule ChaiWeb do
+  @moduledoc """
+  The entrypoint for defining your web interface, such
+  as controllers, components, channels, and so on.
+
+  This can be used in your application as:
+
+      use ChaiWeb, :controller
+      use ChaiWeb, :html
+
+  The definitions below will be executed for every controller,
+  component, etc, so keep them short and clean, focused
+  on imports, uses and aliases.
+
+  Do NOT define functions inside the quoted expressions
+  below. Instead, define additional modules and import
+  those modules here.
+  """
+
+  def static_paths, do: ~w(assets fonts images favicon.svg logo.svg robots.txt)
+
+  def router do
+    quote do
+      use Phoenix.Router, helpers: false
+
+      # Import common connection and controller functions to use in pipelines
+      import Plug.Conn
+      import Phoenix.Controller
+      import Phoenix.LiveView.Router
+    end
+  end
+
+  def channel do
+    quote do
+      use Phoenix.Channel
+    end
+  end
+
+  def controller do
+    quote do
+      use Phoenix.Controller,
+        formats: [:html, :json],
+        layouts: [html: ChaiWeb.Layouts]
+
+      import Plug.Conn
+
+      unquote(verified_routes())
+    end
+  end
+
+  def live_view do
+    quote do
+      use Phoenix.LiveView,
+        layout: {ChaiWeb.Layouts, :app}
+
+      unquote(html_helpers())
+    end
+  end
+
+  def live_component do
+    quote do
+      use Phoenix.LiveComponent
+
+      unquote(html_helpers())
+    end
+  end
+
+  def html do
+    quote do
+      use Phoenix.Component
+
+      # Import convenience functions from controllers
+      import Phoenix.Controller,
+        only: [get_csrf_token: 0, view_module: 1, view_template: 1]
+
+      # Include general helpers for rendering HTML
+      unquote(html_helpers())
+    end
+  end
+
+  defp html_helpers do
+    quote do
+      # HTML escaping functionality
+      import Phoenix.HTML
+      # Core UI components and translation
+      import ChaiWeb.CoreComponents
+
+      # Shortcut for generating JS commands
+      alias Phoenix.LiveView.JS
+
+      # Routes generation with the ~p sigil
+      unquote(verified_routes())
+    end
+  end
+
+  def verified_routes do
+    quote do
+      use Phoenix.VerifiedRoutes,
+        endpoint: ChaiWeb.Endpoint,
+        router: ChaiWeb.Router,
+        statics: ChaiWeb.static_paths()
+    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/chai_web/components/core_components.ex

@@ -0,0 +1,137 @@
+defmodule ChaiWeb.CoreComponents do
+  @moduledoc """
+  Provides core UI components.
+  """
+
+  use Phoenix.Component
+
+  alias Phoenix.LiveView.JS
+
+  @doc """
+  Renders flash notices.
+
+  ## Examples
+
+      <.flash kind={:info} flash={@flash} />
+      <.flash kind={:info} phx-mounted={show("#flash")}>Welcome Back!</.flash>
+
+  """
+  attr :id, :string, default: "flash", doc: "the optional id of flash container"
+  attr :flash, :map, default: %{}, doc: "the map of flash messages to display"
+  attr :title, :string, default: nil
+  attr :kind, :atom, values: [:info, :error], doc: "used for styling and flash lookup"
+  attr :autoshow, :boolean, default: true, doc: "whether to auto show the flash on mount"
+  attr :close, :boolean, default: true, doc: "whether the flash can be closed"
+  attr :rest, :global, doc: "the arbitrary HTML attributes to add to the flash container"
+
+  slot :inner_block, doc: "the optional inner block that renders the flash message"
+
+  def flash(assigns) do
+    ~H"""
+    <div
+      :if={msg = render_slot(@inner_block) || Phoenix.Flash.get(@flash, @kind)}
+      id={@id}
+      phx-mounted={@autoshow && show("##{@id}")}
+      phx-click={JS.push("lv:clear-flash", value: %{key: @kind}) |> hide("##{@id}")}
+      role="alert"
+      class={[
+        "fixed hidden top-2 right-2 w-80 sm:w-96 z-50 rounded-lg p-3 shadow-md shadow-zinc-900/5 ring-1",
+        @kind == :info && "bg-emerald-50 text-emerald-800 ring-emerald-500 fill-cyan-900",
+        @kind == :error && "bg-rose-50 p-3 text-rose-900 shadow-md ring-rose-500 fill-rose-900"
+      ]}
+      {@rest}
+    >
+      <p :if={@title} class="flex items-center gap-1.5 text-[0.8125rem] font-semibold leading-6">
+        <.icon :if={@kind == :info} name="hero-information-circle-mini" class="w-4 h-4" />
+        <.icon :if={@kind == :error} name="hero-exclamation-circle-mini" class="w-4 h-4" />
+        <%= @title %>
+      </p>
+      <p class="mt-2 text-[0.8125rem] leading-5"><%= msg %></p>
+      <button :if={@close} type="button" class="group absolute top-2 right-1 p-2" aria-label="close">
+        <.icon name="hero-x-mark-solid" class="w-5 h-5 opacity-40 group-hover:opacity-70" />
+      </button>
+    </div>
+    """
+  end
+
+  @doc """
+  Shows the flash group with standard titles and content.
+
+  ## Examples
+
+      <.flash_group flash={@flash} />
+
+  """
+  attr :flash, :map, required: true, doc: "the map of flash messages"
+
+  def flash_group(assigns) do
+    ~H"""
+    <.flash kind={:info} title="Success!" flash={@flash} />
+    <.flash kind={:error} title="Error!" flash={@flash} />
+    <.flash
+      id="disconnected"
+      kind={:error}
+      title="We can't find the internet"
+      close={false}
+      autoshow={false}
+      phx-disconnected={show("#disconnected")}
+      phx-connected={hide("#disconnected")}
+    >
+      Attempting to reconnect <.icon name="hero-arrow-path" class="ml-1 w-3 h-3 animate-spin" />
+    </.flash>
+    """
+  end
+
+  @doc """
+  Renders a [Hero Icon](https://heroicons.com).
+
+  Hero icons come in three styles – outline, solid, and mini.
+  By default, the outline style is used, but solid an mini may
+  be applied by using the `-solid` and `-mini` suffix.
+
+  You can customize the size and colors of the icons by setting
+  width, height, and background color classes.
+
+  Icons are extracted from your `priv/hero_icons` directory and bundled
+  within your compiled app.css by the plugin in your `assets/tailwind.config.js`.
+
+  ## Examples
+
+      <.icon name="hero-cake" />
+      <.icon name="hero-cake-solid" />
+      <.icon name="hero-cake-mini" />
+      <.icon name="hero-bolt" class="bg-blue-500 w-10 h-10" />
+
+  """
+  attr :name, :string, required: true
+  attr :class, :string, default: nil
+
+  def icon(%{name: "hero-" <> _} = assigns) do
+    ~H"""
+    <span class={[@name, @class]} />
+    """
+  end
+
+  ## JS Commands
+
+  def show(js \\ %JS{}, selector) do
+    JS.show(js,
+      to: selector,
+      transition:
+        {"transition-all transform ease-out duration-300",
+         "opacity-0 translate-y-4 sm:translate-y-0 sm:scale-95",
+         "opacity-100 translate-y-0 sm:scale-100"}
+    )
+  end
+
+  def hide(js \\ %JS{}, selector) do
+    JS.hide(js,
+      to: selector,
+      time: 200,
+      transition:
+        {"transition-all transform ease-in duration-200",
+         "opacity-100 translate-y-0 sm:scale-100",
+         "opacity-0 translate-y-4 sm:translate-y-0 sm:scale-95"}
+    )
+  end
+end

lib/chai_web/components/layouts.ex

@@ -0,0 +1,5 @@
+defmodule ChaiWeb.Layouts do
+  use ChaiWeb, :html
+
+  embed_templates "layouts/*"
+end

lib/chai_web/components/layouts/app.html.heex

@@ -0,0 +1,31 @@
+<header class="px-4 sm:px-6 lg:px-8">
+  <div class="flex items-center justify-between border-b border-zinc-100 py-3">
+    <div class="flex items-center gap-4">
+      <a href={~p"/"}>
+        <img src={~s"/logo.svg"} class="h-8" />
+      </a>
+    </div>
+    <div class="flex items-center gap-4">
+      <a
+        href="https://huggingface.co/spaces/jonatanklosko/chai/tree/main"
+        target="_blank"
+        class="text-[0.8125rem] font-semibold leading-6 text-zinc-900 hover:text-zinc-700"
+      >
+        Source
+      </a>
+      <a
+        href="https://github.com/elixir-nx/bumblebee"
+        target="_blank"
+        class="rounded-lg bg-zinc-100 px-2 py-1 text-[0.8125rem] font-semibold leading-6 text-zinc-900 hover:bg-zinc-200/80 active:text-zinc-900/70"
+      >
+        Learn more <span aria-hidden="true">&rarr;</span>
+      </a>
+    </div>
+  </div>
+</header>
+<main class="px-4 py-20 sm:px-6 lg:px-8">
+  <div class="mx-auto max-w-2xl">
+    <.flash_group flash={@flash} />
+    <%= @inner_content %>
+  </div>
+</main>

lib/chai_web/components/layouts/root.html.heex

@@ -0,0 +1,18 @@
+<!DOCTYPE html>
+<html lang="en" style="scrollbar-gutter: stable;">
+  <head>
+    <meta charset="utf-8" />
+    <meta name="viewport" content="width=device-width, initial-scale=1" />
+    <meta name="csrf-token" content={get_csrf_token()} />
+    <link rel="icon" type="image/svg+xml" href={~p"/favicon.svg"} />
+    <.live_title>
+      <%= assigns[:page_title] || "Chai" %>
+    </.live_title>
+    <link phx-track-static rel="stylesheet" href={~p"/assets/app.css"} />
+    <script defer phx-track-static type="text/javascript" src={~p"/assets/app.js"}>
+    </script>
+  </head>
+  <body class="bg-white antialiased">
+    <%= @inner_content %>
+  </body>
+</html>

lib/chai_web/controllers/error_html.ex

@@ -0,0 +1,7 @@
+defmodule ChaiWeb.ErrorHTML do
+  use ChaiWeb, :html
+
+  def render(template, _assigns) do
+    Phoenix.Controller.status_message_from_template(template)
+  end
+end

lib/chai_web/endpoint.ex

@@ -0,0 +1,44 @@
+defmodule ChaiWeb.Endpoint do
+  use Phoenix.Endpoint, otp_app: :chai
+
+  # 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.
+  @session_options [
+    store: :cookie,
+    key: "_chai_key",
+    signing_salt: "HnJ/u6tl",
+    same_site: "Lax"
+  ]
+
+  socket "/live", Phoenix.LiveView.Socket, websocket: [connect_info: [session: @session_options]]
+
+  plug Plug.Static,
+    at: "/",
+    from: :chai,
+    gzip: false,
+    only: ChaiWeb.static_paths()
+
+  if code_reloading? do
+    socket "/phoenix/live_reload/socket", Phoenix.LiveReloader.Socket
+    plug Phoenix.LiveReloader
+    plug Phoenix.CodeReloader
+  end
+
+  plug Phoenix.LiveDashboard.RequestLogger,
+    param_key: "request_logger",
+    cookie_key: "request_logger"
+
+  plug Plug.RequestId
+  plug Plug.Telemetry, event_prefix: [:phoenix, :endpoint]
+
+  plug Plug.Parsers,
+    parsers: [:urlencoded, :multipart, :json],
+    pass: ["*/*"],
+    json_decoder: Phoenix.json_library()
+
+  plug Plug.MethodOverride
+  plug Plug.Head
+  plug Plug.Session, @session_options
+  plug ChaiWeb.Router
+end

lib/chai_web/router.ex

@@ -0,0 +1,31 @@
+defmodule ChaiWeb.Router do
+  use ChaiWeb, :router
+
+  pipeline :browser do
+    plug :accepts, ["html"]
+    plug :fetch_session
+    plug :fetch_live_flash
+    plug :put_root_layout, {ChaiWeb.Layouts, :root}
+    plug :protect_from_forgery
+    plug :put_secure_browser_headers
+  end
+
+  pipeline :api do
+    plug :accepts, ["json"]
+  end
+
+  scope "/", ChaiWeb do
+    pipe_through :browser
+  end
+
+  # Enable LiveDashboard in development
+  if Application.compile_env(:chai, :dev_routes) do
+    import Phoenix.LiveDashboard.Router
+
+    scope "/dev" do
+      pipe_through :browser
+
+      live_dashboard "/dashboard", metrics: ChaiWeb.Telemetry
+    end
+  end
+end

lib/chai_web/telemetry.ex

@@ -0,0 +1,69 @@
+defmodule ChaiWeb.Telemetry do
+  use Supervisor
+  import Telemetry.Metrics
+
+  def start_link(arg) do
+    Supervisor.start_link(__MODULE__, arg, name: __MODULE__)
+  end
+
+  @impl true
+  def init(_arg) do
+    children = [
+      # Telemetry poller will execute the given period measurements
+      # every 10_000ms. Learn more here: https://hexdocs.pm/telemetry_metrics
+      {:telemetry_poller, measurements: periodic_measurements(), period: 10_000}
+      # Add reporters as children of your supervision tree.
+      # {Telemetry.Metrics.ConsoleReporter, metrics: metrics()}
+    ]
+
+    Supervisor.init(children, strategy: :one_for_one)
+  end
+
+  def metrics do
+    [
+      # Phoenix Metrics
+      summary("phoenix.endpoint.start.system_time",
+        unit: {:native, :millisecond}
+      ),
+      summary("phoenix.endpoint.stop.duration",
+        unit: {:native, :millisecond}
+      ),
+      summary("phoenix.router_dispatch.start.system_time",
+        tags: [:route],
+        unit: {:native, :millisecond}
+      ),
+      summary("phoenix.router_dispatch.exception.duration",
+        tags: [:route],
+        unit: {:native, :millisecond}
+      ),
+      summary("phoenix.router_dispatch.stop.duration",
+        tags: [:route],
+        unit: {:native, :millisecond}
+      ),
+      summary("phoenix.socket_connected.duration",
+        unit: {:native, :millisecond}
+      ),
+      summary("phoenix.channel_join.duration",
+        unit: {:native, :millisecond}
+      ),
+      summary("phoenix.channel_handled_in.duration",
+        tags: [:event],
+        unit: {:native, :millisecond}
+      ),
+
+      # VM Metrics
+      summary("vm.memory.total", unit: {:byte, :kilobyte}),
+      summary("vm.total_run_queue_lengths.total"),
+      summary("vm.total_run_queue_lengths.cpu"),
+      summary("vm.total_run_queue_lengths.io")
+    ]
+  end
+
+  defp periodic_measurements do
+    [
+      # A module, function and arguments to be invoked periodically.
+      # This function must call :telemetry.execute/3 and a metric must be added above.
+      # {ChaiWeb, :count_users, []}
+    ]
+  end
+end

mix.exs

@@ -0,0 +1,51 @@
+defmodule Chai.MixProject do
+  use Mix.Project
+
+  def project do
+    [
+      app: :chai,
+      version: "0.1.0",
+      elixir: "~> 1.14",
+      elixirc_paths: elixirc_paths(Mix.env()),
+      start_permanent: Mix.env() == :prod,
+      aliases: aliases(),
+      deps: deps()
+    ]
+  end
+
+  def application do
+    [
+      mod: {Chai.Application, []},
+      extra_applications: [:logger, :runtime_tools]
+    ]
+  end
+
+  defp elixirc_paths(:test), do: ["lib", "test/support"]
+  defp elixirc_paths(_), do: ["lib"]
+
+  defp deps do
+    [
+      {:phoenix, "~> 1.7.1"},
+      {:phoenix_html, "~> 3.3"},
+      {:phoenix_live_reload, "~> 1.2", only: :dev},
+      {:phoenix_live_view, "~> 0.18.16"},
+      {:floki, ">= 0.30.0", only: :test},
+      {:phoenix_live_dashboard, "~> 0.7.2"},
+      {:esbuild, "~> 0.5", runtime: Mix.env() == :dev},
+      {:tailwind, "~> 0.1.8", runtime: Mix.env() == :dev},
+      {:telemetry_metrics, "~> 0.6"},
+      {:telemetry_poller, "~> 1.0"},
+      {:jason, "~> 1.2"},
+      {:plug_cowboy, "~> 2.5"}
+    ]
+  end
+
+  defp aliases do
+    [
+      setup: ["deps.get", "assets.setup", "assets.build"],
+      "assets.setup": ["tailwind.install --if-missing", "esbuild.install --if-missing"],
+      "assets.build": ["tailwind default", "esbuild default"],
+      "assets.deploy": ["tailwind default --minify", "esbuild default --minify", "phx.digest"]
+    ]
+  end
+end

mix.lock

@@ -0,0 +1,28 @@
+%{
+  "castore": {:hex, :castore, "1.0.1", "240b9edb4e9e94f8f56ab39d8d2d0a57f49e46c56aced8f873892df8ff64ff5a", [:mix], [], "hexpm", "b4951de93c224d44fac71614beabd88b71932d0b1dea80d2f80fb9044e01bbb3"},
+  "cowboy": {:hex, :cowboy, "2.9.0", "865dd8b6607e14cf03282e10e934023a1bd8be6f6bacf921a7e2a96d800cd452", [:make, :rebar3], [{:cowlib, "2.11.0", [hex: :cowlib, repo: "hexpm", optional: false]}, {:ranch, "1.8.0", [hex: :ranch, repo: "hexpm", optional: false]}], "hexpm", "2c729f934b4e1aa149aff882f57c6372c15399a20d54f65c8d67bef583021bde"},
+  "cowboy_telemetry": {:hex, :cowboy_telemetry, "0.4.0", "f239f68b588efa7707abce16a84d0d2acf3a0f50571f8bb7f56a15865aae820c", [:rebar3], [{:cowboy, "~> 2.7", [hex: :cowboy, repo: "hexpm", optional: false]}, {:telemetry, "~> 1.0", [hex: :telemetry, repo: "hexpm", optional: false]}], "hexpm", "7d98bac1ee4565d31b62d59f8823dfd8356a169e7fcbb83831b8a5397404c9de"},
+  "cowlib": {:hex, :cowlib, "2.11.0", "0b9ff9c346629256c42ebe1eeb769a83c6cb771a6ee5960bd110ab0b9b872063", [:make, :rebar3], [], "hexpm", "2b3e9da0b21c4565751a6d4901c20d1b4cc25cbb7fd50d91d2ab6dd287bc86a9"},
+  "esbuild": {:hex, :esbuild, "0.7.0", "ce3afb13cd2c5fd63e13c0e2d0e0831487a97a7696cfa563707342bb825d122a", [:mix], [{:castore, ">= 0.0.0", [hex: :castore, repo: "hexpm", optional: false]}], "hexpm", "4ae9f4f237c5ebcb001390b8ada65a12fb2bb04f3fe3d1f1692b7a06fbfe8752"},
+  "file_system": {:hex, :file_system, "0.2.10", "fb082005a9cd1711c05b5248710f8826b02d7d1784e7c3451f9c1231d4fc162d", [:mix], [], "hexpm", "41195edbfb562a593726eda3b3e8b103a309b733ad25f3d642ba49696bf715dc"},
+  "floki": {:hex, :floki, "0.34.2", "5fad07ef153b3b8ec110b6b155ec3780c4b2c4906297d0b4be1a7162d04a7e02", [:mix], [], "hexpm", "26b9d50f0f01796bc6be611ca815c5e0de034d2128e39cc9702eee6b66a4d1c8"},
+  "jason": {:hex, :jason, "1.4.0", "e855647bc964a44e2f67df589ccf49105ae039d4179db7f6271dfd3843dc27e6", [:mix], [{:decimal, "~> 1.0 or ~> 2.0", [hex: :decimal, repo: "hexpm", optional: true]}], "hexpm", "79a3791085b2a0f743ca04cec0f7be26443738779d09302e01318f97bdb82121"},
+  "mime": {:hex, :mime, "2.0.3", "3676436d3d1f7b81b5a2d2bd8405f412c677558c81b1c92be58c00562bb59095", [:mix], [], "hexpm", "27a30bf0db44d25eecba73755acf4068cbfe26a4372f9eb3e4ea3a45956bff6b"},
+  "phoenix": {:hex, :phoenix, "1.7.2", "c375ffb482beb4e3d20894f84dd7920442884f5f5b70b9f4528cbe0cedefec63", [:mix], [{:castore, ">= 0.0.0", [hex: :castore, repo: "hexpm", optional: false]}, {:jason, "~> 1.0", [hex: :jason, repo: "hexpm", optional: true]}, {:phoenix_pubsub, "~> 2.1", [hex: :phoenix_pubsub, repo: "hexpm", optional: false]}, {:phoenix_template, "~> 1.0", [hex: :phoenix_template, repo: "hexpm", optional: false]}, {:phoenix_view, "~> 2.0", [hex: :phoenix_view, repo: "hexpm", optional: true]}, {:plug, "~> 1.14", [hex: :plug, repo: "hexpm", optional: false]}, {:plug_cowboy, "~> 2.6", [hex: :plug_cowboy, repo: "hexpm", optional: true]}, {:plug_crypto, "~> 1.2", [hex: :plug_crypto, repo: "hexpm", optional: false]}, {:telemetry, "~> 0.4 or ~> 1.0", [hex: :telemetry, repo: "hexpm", optional: false]}, {:websock_adapter, "~> 0.4", [hex: :websock_adapter, repo: "hexpm", optional: false]}], "hexpm", "1ebca94b32b4d0e097ab2444a9742ed8ff3361acad17365e4e6b2e79b4792159"},
+  "phoenix_html": {:hex, :phoenix_html, "3.3.1", "4788757e804a30baac6b3fc9695bf5562465dd3f1da8eb8460ad5b404d9a2178", [:mix], [{:plug, "~> 1.5", [hex: :plug, repo: "hexpm", optional: true]}], "hexpm", "bed1906edd4906a15fd7b412b85b05e521e1f67c9a85418c55999277e553d0d3"},
+  "phoenix_live_dashboard": {:hex, :phoenix_live_dashboard, "0.7.2", "97cc4ff2dba1ebe504db72cb45098cb8e91f11160528b980bd282cc45c73b29c", [:mix], [{:ecto, "~> 3.6.2 or ~> 3.7", [hex: :ecto, repo: "hexpm", optional: true]}, {:ecto_mysql_extras, "~> 0.5", [hex: :ecto_mysql_extras, repo: "hexpm", optional: true]}, {:ecto_psql_extras, "~> 0.7", [hex: :ecto_psql_extras, repo: "hexpm", optional: true]}, {:mime, "~> 1.6 or ~> 2.0", [hex: :mime, repo: "hexpm", optional: false]}, {:phoenix_live_view, "~> 0.18.3", [hex: :phoenix_live_view, repo: "hexpm", optional: false]}, {:telemetry_metrics, "~> 0.6 or ~> 1.0", [hex: :telemetry_metrics, repo: "hexpm", optional: false]}], "hexpm", "0e5fdf063c7a3b620c566a30fcf68b7ee02e5e46fe48ee46a6ec3ba382dc05b7"},
+  "phoenix_live_reload": {:hex, :phoenix_live_reload, "1.4.1", "2aff698f5e47369decde4357ba91fc9c37c6487a512b41732818f2204a8ef1d3", [: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", "9bffb834e7ddf08467fe54ae58b5785507aaba6255568ae22b4d46e2bb3615ab"},
+  "phoenix_live_view": {:hex, :phoenix_live_view, "0.18.18", "1f38fbd7c363723f19aad1a04b5490ff3a178e37daaf6999594d5f34796c47fc", [:mix], [{:jason, "~> 1.0", [hex: :jason, repo: "hexpm", optional: true]}, {:phoenix, "~> 1.6.15 or ~> 1.7.0", [hex: :phoenix, repo: "hexpm", optional: false]}, {:phoenix_html, "~> 3.3", [hex: :phoenix_html, repo: "hexpm", optional: false]}, {:phoenix_template, "~> 1.0", [hex: :phoenix_template, repo: "hexpm", optional: false]}, {:phoenix_view, "~> 2.0", [hex: :phoenix_view, repo: "hexpm", optional: true]}, {:telemetry, "~> 0.4.2 or ~> 1.0", [hex: :telemetry, repo: "hexpm", optional: false]}], "hexpm", "a5810d0472f3189ede6d2a95bda7f31c6113156b91784a3426cb0ab6a6d85214"},
+  "phoenix_pubsub": {:hex, :phoenix_pubsub, "2.1.1", "ba04e489ef03763bf28a17eb2eaddc2c20c6d217e2150a61e3298b0f4c2012b5", [:mix], [], "hexpm", "81367c6d1eea5878ad726be80808eb5a787a23dee699f96e72b1109c57cdd8d9"},
+  "phoenix_template": {:hex, :phoenix_template, "1.0.1", "85f79e3ad1b0180abb43f9725973e3b8c2c3354a87245f91431eec60553ed3ef", [:mix], [{:phoenix_html, "~> 2.14.2 or ~> 3.0", [hex: :phoenix_html, repo: "hexpm", optional: true]}], "hexpm", "157dc078f6226334c91cb32c1865bf3911686f8bcd6bcff86736f6253e6993ee"},
+  "plug": {:hex, :plug, "1.14.2", "cff7d4ec45b4ae176a227acd94a7ab536d9b37b942c8e8fa6dfc0fff98ff4d80", [:mix], [{:mime, "~> 1.0 or ~> 2.0", [hex: :mime, repo: "hexpm", optional: false]}, {:plug_crypto, "~> 1.1.1 or ~> 1.2", [hex: :plug_crypto, repo: "hexpm", optional: false]}, {:telemetry, "~> 0.4.3 or ~> 1.0", [hex: :telemetry, repo: "hexpm", optional: false]}], "hexpm", "842fc50187e13cf4ac3b253d47d9474ed6c296a8732752835ce4a86acdf68d13"},
+  "plug_cowboy": {:hex, :plug_cowboy, "2.6.1", "9a3bbfceeb65eff5f39dab529e5cd79137ac36e913c02067dba3963a26efe9b2", [:mix], [{:cowboy, "~> 2.7", [hex: :cowboy, repo: "hexpm", optional: false]}, {:cowboy_telemetry, "~> 0.3", [hex: :cowboy_telemetry, repo: "hexpm", optional: false]}, {:plug, "~> 1.14", [hex: :plug, repo: "hexpm", optional: false]}], "hexpm", "de36e1a21f451a18b790f37765db198075c25875c64834bcc82d90b309eb6613"},
+  "plug_crypto": {:hex, :plug_crypto, "1.2.5", "918772575e48e81e455818229bf719d4ab4181fcbf7f85b68a35620f78d89ced", [:mix], [], "hexpm", "26549a1d6345e2172eb1c233866756ae44a9609bd33ee6f99147ab3fd87fd842"},
+  "ranch": {:hex, :ranch, "1.8.0", "8c7a100a139fd57f17327b6413e4167ac559fbc04ca7448e9be9057311597a1d", [:make, :rebar3], [], "hexpm", "49fbcfd3682fab1f5d109351b61257676da1a2fdbe295904176d5e521a2ddfe5"},
+  "tailwind": {:hex, :tailwind, "0.1.10", "21ed80ae1f411f747ee513470578acaaa1d0eb40170005350c5b0b6d07e2d624", [:mix], [{:castore, ">= 0.0.0", [hex: :castore, repo: "hexpm", optional: false]}], "hexpm", "e0fc474dfa8ed7a4573851ac69c5fd3ca70fbb0a5bada574d1d657ebc6f2f1f1"},
+  "telemetry": {:hex, :telemetry, "1.2.1", "68fdfe8d8f05a8428483a97d7aab2f268aaff24b49e0f599faa091f1d4e7f61c", [:rebar3], [], "hexpm", "dad9ce9d8effc621708f99eac538ef1cbe05d6a874dd741de2e689c47feafed5"},
+  "telemetry_metrics": {:hex, :telemetry_metrics, "0.6.1", "315d9163a1d4660aedc3fee73f33f1d355dcc76c5c3ab3d59e76e3edf80eef1f", [:mix], [{:telemetry, "~> 0.4 or ~> 1.0", [hex: :telemetry, repo: "hexpm", optional: false]}], "hexpm", "7be9e0871c41732c233be71e4be11b96e56177bf15dde64a8ac9ce72ac9834c6"},
+  "telemetry_poller": {:hex, :telemetry_poller, "1.0.0", "db91bb424e07f2bb6e73926fcafbfcbcb295f0193e0a00e825e589a0a47e8453", [:rebar3], [{:telemetry, "~> 1.0", [hex: :telemetry, repo: "hexpm", optional: false]}], "hexpm", "b3a24eafd66c3f42da30fc3ca7dda1e9d546c12250a2d60d7b81d264fbec4f6e"},
+  "websock": {:hex, :websock, "0.5.0", "f6bbce90226121d62a0715bca7c986c5e43de0ccc9475d79c55381d1796368cc", [:mix], [], "hexpm", "b51ac706df8a7a48a2c622ee02d09d68be8c40418698ffa909d73ae207eb5fb8"},
+  "websock_adapter": {:hex, :websock_adapter, "0.5.0", "cea35d8bbf1a6964e32d4b02ceb561dfb769c04f16d60d743885587e7d2ca55b", [:mix], [{:bandit, "~> 0.6", [hex: :bandit, repo: "hexpm", optional: true]}, {:plug, "~> 1.14", [hex: :plug, repo: "hexpm", optional: false]}, {:plug_cowboy, "~> 2.6", [hex: :plug_cowboy, repo: "hexpm", optional: true]}, {:websock, "~> 0.5", [hex: :websock, repo: "hexpm", optional: false]}], "hexpm", "16318b124effab8209b1eb7906c636374f623dc9511a8278ad09c083cea5bb83"},
+}

priv/hero_icons/LICENSE.md

@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2020 Refactoring UI Inc.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

priv/hero_icons/UPGRADE.md

@@ -0,0 +1,7 @@
+You are running heroicons v2.0.16. To upgrade in place, you can run the following command,
+where your `HERO_VSN` export is your desired version:
+
+    export HERO_VSN="2.0.16" ; \
+      curl -L -o optimized.zip "https://github.com/tailwindlabs/heroicons/archive/refs/tags/v${HERO_VSN}.zip" ; \
+      tar --strip-components=1 -xvf optimized.zip heroicons-${HERO_VSN}/optimized ; \
+      rm optimized.zip