feat: display twitter links

lib/today/links.ex

@@ -0,0 +1,23 @@
+defmodule Today.Links do
+  @moduledoc """
+  Module that deals with generating links for different social medias
+  """
+
+  @doc """
+    Generates a list of tuples with the year and a twitter search link for a given account and year.
+
+  ### Example
+
+  iex> generate_twitter_links("thejuliams", "2010")
+  "https://twitter.com/search?q=from%3Athejuliams%20since%3A2010-03-17%20until%3A2010-03-18&src=recent_search_click"
+
+
+  """
+  @spec generate_twitter_link(String.t(), range :: String.t()) :: String.t()
+  def generate_twitter_link(account, year) do
+    today = Date.utc_today()
+    tomorrow = Date.utc_today() |> Date.add(1)
+
+    "https://twitter.com/search?q=from%3A#{account}%20since%3A#{year}-#{today.month}-#{today.day}%20until%3A#{year}-#{tomorrow.month}-#{tomorrow.day}&src=recent_search_click"
+  end
+end

lib/today_web/controllers/page_controller.ex

@@ -4,4 +4,33 @@ defmodule TodayWeb.PageController do
   def index(conn, _params) do
     render(conn, "index.html")
   end
+
+  def twitter(conn, _params) do
+    today = Date.utc_today()
+
+    assigns = %{
+      day: today.day,
+      month: today.month,
+      mooniunatik: %{username: "mooniunatik", years: ["2017", "2018", "2019", "2020", "2021"]},
+      thejuliams: %{
+        username: "thejuliams",
+        years: [
+          "2010",
+          "2011",
+          "2012",
+          "2013",
+          "2014",
+          "2015",
+          "2016",
+          "2017",
+          "2018",
+          "2019",
+          "2020",
+          "2021"
+        ]
+      }
+    }
+
+    render(conn, "twitter.html", assigns)
+  end
 end

lib/today_web/router.ex

@@ -18,6 +18,7 @@ defmodule TodayWeb.Router do
     pipe_through :browser
 
     get "/", PageController, :index
+    get "/twitter", PageController, :twitter
   end
 
   # Other scopes may use custom stacks.

lib/today_web/templates/layout/root.html.heex

@@ -5,7 +5,7 @@
     <meta http-equiv="X-UA-Compatible" content="IE=edge"/>
     <meta name="viewport" content="width=device-width, initial-scale=1.0"/>
     <%= csrf_meta_tag() %>
-    <%= live_title_tag assigns[:page_title] || "Today", suffix: " · Phoenix Framework" %>
+    <%= live_title_tag assigns[:page_title] || "today" %>
     <link phx-track-static rel="stylesheet" href={Routes.static_path(@conn, "/assets/app.css")}/>
     <script defer phx-track-static type="text/javascript" src={Routes.static_path(@conn, "/assets/app.js")}></script>
   </head>

lib/today_web/templates/page/twitter.html.heex

@@ -0,0 +1,8 @@
+<section class="row">
+  <article class="column">
+    <.display_years account={@thejuliams} day={@day} month={@month} />
+  </article>
+    <article class="column">
+    <.display_years account={@mooniunatik} day={@day} month={@month} />
+  </article>
+</section>

lib/today_web/views/page_view.ex

@@ -1,3 +1,25 @@
 defmodule TodayWeb.PageView do
+  alias Today.Links
+
   use TodayWeb, :view
+
+  def display_years(assigns) do
+    ~H"""
+    <h2><%= @account.username %></h2>
+    <%= for year <- @account.years do %>
+      <h3><%= year %></h3>
+      <%= display_twitter_link(@account.username, year, @day, @month) %>
+      <p></p>
+    <% end %>
+
+    """
+  end
+
+  def display_twitter_link(account, year, day, month) do
+    link = Links.generate_twitter_link(account, year)
+
+    ~E"""
+    <p><a href="<%= link %>" target="_blank">These are your tweets for <%= day %>.<%= month %>.<%= year %></a></p>
+    """
+  end
 end

test/today/links_test.exs

@@ -0,0 +1,14 @@
+defmodule Today.LinksTest do
+  @moduledoc false
+
+  use ExUnit.Case
+  alias Today.Links
+
+  test "when given an account and a year return a twitter search link today's day and month but in that year" do
+    today = Date.utc_today()
+    tomorrow = Date.utc_today() |> Date.add(1)
+
+    assert Links.generate_twitter_link("thejuliams", "2010") ==
+             "https://twitter.com/search?q=from%3Athejuliams%20since%3A2010-#{today.month}-#{today.day}%20until%3A2010-#{tomorrow.month}-#{tomorrow.day}&src=recent_search_click"
+  end
+end

test/today_web/controllers/page_controller_test.exs

@@ -1,8 +1,14 @@
 defmodule TodayWeb.PageControllerTest do
+  @moduledoc false
   use TodayWeb.ConnCase
 
   test "GET /", %{conn: conn} do
     conn = get(conn, "/")
     assert html_response(conn, 200) =~ "Welcome to Phoenix!"
   end
+
+  test "GET /twitter", %{conn: conn} do
+    conn = get(conn, "/twitter")
+    assert html_response(conn, 200) =~ "These are your tweets for"
+  end
 end