Added auth. Put together basic pricing and order API calls.

traderex/config/runtime.exs

@@ -11,6 +11,10 @@ import Config
 config :traderex, :tradier_api_key, System.get_env("TRADIER_API_KEY")
 config :traderex, :tradier_account, System.get_env("TRADIER_ACCOUNT")
 
+# Dashboard authentication
+config :traderex, :dashboard_user, System.get_env("DASHBOARD_USER")
+config :traderex, :dashboard_password, System.get_env("DASHBOARD_PASSWORD")
+
 # ## Using releases
 #
 # If you use `mix release`, you need to explicitly enable the server

traderex/lib/core/balance_history.ex

@@ -0,0 +1,89 @@
+defmodule Core.BalanceHistory do
+  @moduledoc """
+  Represents historical balance data for a Tradier account.
+  """
+
+  defmodule Snapshot do
+    @moduledoc """
+    Represents a single balance snapshot at a point in time.
+    """
+
+    @type t :: %__MODULE__{
+            date: Date.t() | nil,
+            value: float()
+          }
+
+    defstruct [:date, :value]
+
+    @spec from_api(map()) :: t()
+    def from_api(data) when is_map(data) do
+      %__MODULE__{
+        date: parse_date(data["date"]),
+        value: to_float(data["value"])
+      }
+    end
+
+    defp parse_date(nil), do: nil
+
+    defp parse_date(date_string) when is_binary(date_string) do
+      case Date.from_iso8601(date_string) do
+        {:ok, date} -> date
+        {:error, _reason} -> nil
+      end
+    end
+
+    defp to_float(value) when is_float(value), do: value
+    defp to_float(value) when is_integer(value), do: value / 1
+    defp to_float(_), do: 0.0
+  end
+
+  @type t :: %__MODULE__{
+          balances: [Snapshot.t()],
+          delta: float(),
+          delta_percent: float()
+        }
+
+  defstruct [
+    :balances,
+    :delta,
+    :delta_percent
+  ]
+
+  @doc """
+  Creates a BalanceHistory struct from a Tradier API historical-balances response.
+
+  ## Example
+
+      iex> data = %{"historical_balances" => %{"balances" => %{"balance" => [...]}, "delta" => 100.0, "delta_percent" => 1.5}}
+      iex> Core.BalanceHistory.from_api(data)
+      %Core.BalanceHistory{balances: [...], delta: 100.0, delta_percent: 1.5}
+  """
+  @spec from_api(map()) :: t()
+  def from_api(%{"historical_balances" => data}) do
+    from_api(data)
+  end
+
+  def from_api(data) when is_map(data) do
+    balances =
+      case data do
+        %{"balances" => %{"balance" => list}} when is_list(list) ->
+          Enum.map(list, &Snapshot.from_api/1)
+
+        %{"balances" => %{"balance" => single}} when is_map(single) ->
+          [Snapshot.from_api(single)]
+
+        _ ->
+          []
+      end
+
+    %__MODULE__{
+      balances: balances,
+      delta: to_float(data["delta"]),
+      delta_percent: to_float(data["delta_percent"])
+    }
+  end
+
+  defp to_float(value) when is_float(value), do: value
+  defp to_float(value) when is_integer(value), do: value / 1
+  defp to_float(_), do: 0.0
+end

traderex/lib/core/client.ex

@@ -66,6 +66,144 @@ defmodule Core.Client do
     end
   end
 
+  @doc """
+  Fetches account history events and returns a list of Event structs.
+
+  ## Example
+
+      {:ok, events} = Core.Client.get_history("6YA15850")
+      #=> [%Core.Event{type: "trade", symbol: "AAPL", ...}]
+  """
+  @spec get_history(String.t()) :: {:ok, [Core.Event.t()]} | {:error, term()}
+  def get_history(account_id) do
+    case get("/accounts/#{account_id}/history") do
+      {:ok, body} -> {:ok, Core.Event.list_from_api(body)}
+      {:error, reason} -> {:error, reason}
+    end
+  end
+
+  @balance_history_periods ~w(WEEK MONTH YTD YEAR YEAR_3 YEAR_5 ALL)
+
+  @doc """
+  Returns the valid period values for balance history.
+  """
+  def balance_history_periods, do: @balance_history_periods
+
+  @doc """
+  Fetches historical balance data for an account.
+
+  ## Options
+
+    * `:period` - Time period for history. One of: `WEEK`, `MONTH`, `YTD`, `YEAR`, `YEAR_3`, `YEAR_5`, `ALL`.
+      Defaults to `MONTH`.
+
+  ## Example
+
+      {:ok, history} = Core.Client.get_balance_history("6YA15850", period: "YEAR")
+      history.delta
+      #=> 2780.66
+      history.balances
+      #=> [%Core.BalanceHistory.Snapshot{date: ~D[2025-07-15], value: 113302.4}, ...]
+  """
+  @spec get_balance_history(String.t(), keyword()) ::
+          {:ok, Core.BalanceHistory.t()} | {:error, term()}
+  def get_balance_history(account_id, opts \\ []) do
+    period = Keyword.get(opts, :period, "MONTH")
+    query = URI.encode_query(%{period: period})
+
+    case get("/accounts/#{account_id}/historical-balances?#{query}") do
+      {:ok, body} -> {:ok, Core.BalanceHistory.from_api(body)}
+      {:error, reason} -> {:error, reason}
+    end
+  end
+
+  @doc """
+  Fetches stock quotes for one or more symbols.
+
+  ## Examples
+
+      {:ok, quotes} = Core.Client.get_quotes("SPY")
+      #=> [%Core.Quote{symbol: "SPY", last: 273.47, ...}]
+
+      {:ok, quotes} = Core.Client.get_quotes(["SPY", "AAPL"])
+      #=> [%Core.Quote{symbol: "SPY", ...}, %Core.Quote{symbol: "AAPL", ...}]
+  """
+  @spec get_quotes(String.t() | [String.t()]) :: {:ok, [Core.Quote.t()]} | {:error, term()}
+  def get_quotes(symbols) when is_list(symbols) do
+    symbols_str = Enum.join(symbols, ",")
+    get_quotes(symbols_str)
+  end
+
+  def get_quotes(symbol) when is_binary(symbol) do
+    query = URI.encode_query(%{symbols: symbol})
+
+    case get("/markets/quotes?#{query}") do
+      {:ok, body} -> {:ok, Core.Quote.list_from_api(body)}
+      {:error, reason} -> {:error, reason}
+    end
+  end
+
+  @doc """
+  Places an order for an account.
+
+  ## Options
+
+    * `:symbol` - The stock symbol (required)
+    * `:quantity` - Number of shares (required)
+    * `:side` - Order side: "buy" or "sell" (required)
+    * `:type` - Order type: "market", "limit", "stop", "stop_limit" (required)
+    * `:price` - Limit price (required for limit orders)
+    * `:stop` - Stop price (required for stop orders)
+    * `:duration` - Order duration: "day", "gtc", "pre", "post" (default: "day")
+    * `:class` - Order class: "equity", "option", "multileg", "combo" (default: "equity")
+    * `:preview` - If true, validates order without submitting (default: true)
+
+  ## Examples
+
+      # Preview an order
+      {:ok, order} = Core.Client.place_order("6YA15850",
+        symbol: "SPY",
+        quantity: 10,
+        side: "buy",
+        type: "limit",
+        price: 500,
+        preview: true
+      )
+
+      # Submit the order
+      {:ok, order} = Core.Client.place_order("6YA15850",
+        symbol: "SPY",
+        quantity: 10,
+        side: "buy",
+        type: "limit",
+        price: 500,
+        preview: false
+      )
+  """
+  @spec place_order(String.t(), keyword()) :: {:ok, Core.Order.t()} | {:error, term()}
+  def place_order(account_id, opts) do
+    params =
+      %{
+        class: Keyword.get(opts, :class, "equity"),
+        symbol: Keyword.fetch!(opts, :symbol),
+        quantity: Keyword.fetch!(opts, :quantity),
+        side: Keyword.fetch!(opts, :side),
+        type: Keyword.fetch!(opts, :type),
+        duration: Keyword.get(opts, :duration, "day"),
+        preview: Keyword.get(opts, :preview, true)
+      }
+      |> maybe_put(:price, Keyword.get(opts, :price))
+      |> maybe_put(:stop, Keyword.get(opts, :stop))
+
+    case post("/accounts/#{account_id}/orders", params) do
+      {:ok, body} -> {:ok, Core.Order.from_api(body)}
+      {:error, reason} -> {:error, reason}
+    end
+  end
+
+  defp maybe_put(map, _key, nil), do: map
+  defp maybe_put(map, key, value), do: Map.put(map, key, value)
+
   defp get(path) do
     url = @base_url <> path
 
@@ -81,6 +219,21 @@ defmodule Core.Client do
     end
   end
 
+  defp post(path, params) do
+    url = @base_url <> path
+
+    case Req.post(url, headers: headers(), form: params) do
+      {:ok, %Req.Response{status: 200, body: body}} ->
+        {:ok, body}
+
+      {:ok, %Req.Response{status: status, body: body}} ->
+        {:error, {:http_error, status, body}}
+
+      {:error, reason} ->
+        {:error, reason}
+    end
+  end
+
   defp headers do
     [
       accept: "application/json",

traderex/lib/core/event.ex

@@ -0,0 +1,74 @@
+defmodule Core.Event do
+  @moduledoc """
+  Represents an account history event from Tradier.
+  """
+
+  @type t :: %__MODULE__{
+          date: DateTime.t() | nil,
+          type: String.t(),
+          symbol: String.t() | nil,
+          quantity: float() | nil,
+          price: float() | nil,
+          amount: float(),
+          description: String.t(),
+          commission: float()
+        }
+
+  defstruct [
+    :date,
+    :type,
+    :symbol,
+    :quantity,
+    :price,
+    :amount,
+    :description,
+    :commission
+  ]
+
+  @doc """
+  Creates an Event struct from a Tradier API event response map.
+  """
+  @spec from_api(map()) :: t()
+  def from_api(data) when is_map(data) do
+    %__MODULE__{
+      date: parse_datetime(data["date"]),
+      type: data["type"],
+      symbol: data["symbol"],
+      quantity: data["quantity"],
+      price: data["price"],
+      amount: data["amount"],
+      description: data["description"],
+      commission: data["commission"]
+    }
+  end
+
+  @doc """
+  Parses events from a Tradier API history response.
+
+  The API returns events wrapped in a "history" key, and the "event"
+  value can be either a single map (one event) or a list (multiple events).
+
+  Returns an empty list if there are no events.
+  """
+  @spec list_from_api(map()) :: [t()]
+  def list_from_api(%{"history" => %{"event" => events}}) when is_list(events) do
+    Enum.map(events, &from_api/1)
+  end
+
+  def list_from_api(%{"history" => %{"event" => event}}) when is_map(event) do
+    [from_api(event)]
+  end
+
+  def list_from_api(%{"history" => "null"}), do: []
+  def list_from_api(%{"history" => nil}), do: []
+  def list_from_api(_), do: []
+
+  defp parse_datetime(nil), do: nil
+
+  defp parse_datetime(datetime_string) when is_binary(datetime_string) do
+    case DateTime.from_iso8601(datetime_string) do
+      {:ok, datetime, _offset} -> datetime
+      {:error, _reason} -> nil
+    end
+  end
+end

traderex/lib/core/order.ex

@@ -0,0 +1,39 @@
+defmodule Core.Order do
+  @moduledoc """
+  Represents an order response from Tradier.
+  """
+
+  @type t :: %__MODULE__{
+          id: integer() | nil,
+          status: String.t() | nil,
+          partner_id: String.t() | nil
+        }
+
+  defstruct [
+    :id,
+    :status,
+    :partner_id
+  ]
+
+  @doc """
+  Creates an Order struct from a Tradier API order response.
+
+  ## Example
+
+      iex> data = %{"order" => %{"id" => 123456, "status" => "ok", "partner_id" => "partner_12345"}}
+      iex> Core.Order.from_api(data)
+      %Core.Order{id: 123456, status: "ok", partner_id: "partner_12345"}
+  """
+  @spec from_api(map()) :: t()
+  def from_api(%{"order" => order}) when is_map(order) do
+    from_api(order)
+  end
+
+  def from_api(data) when is_map(data) do
+    %__MODULE__{
+      id: data["id"],
+      status: data["status"],
+      partner_id: data["partner_id"]
+    }
+  end
+end

traderex/lib/core/quote.ex

@@ -0,0 +1,99 @@
+defmodule Core.Quote do
+  @moduledoc """
+  Represents a stock quote from Tradier.
+  """
+
+  @type t :: %__MODULE__{
+          symbol: String.t(),
+          description: String.t() | nil,
+          exch: String.t() | nil,
+          type: String.t() | nil,
+          last: float() | nil,
+          change: float() | nil,
+          change_percentage: float() | nil,
+          volume: integer() | nil,
+          open: float() | nil,
+          high: float() | nil,
+          low: float() | nil,
+          close: float() | nil,
+          bid: float() | nil,
+          ask: float() | nil,
+          prevclose: float() | nil,
+          week_52_high: float() | nil,
+          week_52_low: float() | nil,
+          average_volume: integer() | nil
+        }
+
+  defstruct [
+    :symbol,
+    :description,
+    :exch,
+    :type,
+    :last,
+    :change,
+    :change_percentage,
+    :volume,
+    :open,
+    :high,
+    :low,
+    :close,
+    :bid,
+    :ask,
+    :prevclose,
+    :week_52_high,
+    :week_52_low,
+    :average_volume
+  ]
+
+  @doc """
+  Creates a Quote struct from a Tradier API quote response map.
+  """
+  @spec from_api(map()) :: t()
+  def from_api(data) when is_map(data) do
+    %__MODULE__{
+      symbol: data["symbol"],
+      description: data["description"],
+      exch: data["exch"],
+      type: data["type"],
+      last: to_float(data["last"]),
+      change: to_float(data["change"]),
+      change_percentage: to_float(data["change_percentage"]),
+      volume: data["volume"],
+      open: to_float(data["open"]),
+      high: to_float(data["high"]),
+      low: to_float(data["low"]),
+      close: to_float(data["close"]),
+      bid: to_float(data["bid"]),
+      ask: to_float(data["ask"]),
+      prevclose: to_float(data["prevclose"]),
+      week_52_high: to_float(data["week_52_high"]),
+      week_52_low: to_float(data["week_52_low"]),
+      average_volume: data["average_volume"]
+    }
+  end
+
+  @doc """
+  Parses quotes from a Tradier API quotes response.
+
+  The API returns quotes wrapped in a "quotes" key, and the "quote"
+  value can be either a single map (one symbol) or a list (multiple symbols).
+
+  Returns an empty list if there are no quotes.
+  """
+  @spec list_from_api(map()) :: [t()]
+  def list_from_api(%{"quotes" => %{"quote" => quotes}}) when is_list(quotes) do
+    Enum.map(quotes, &from_api/1)
+  end
+
+  def list_from_api(%{"quotes" => %{"quote" => quote}}) when is_map(quote) do
+    [from_api(quote)]
+  end
+
+  def list_from_api(%{"quotes" => "null"}), do: []
+  def list_from_api(%{"quotes" => nil}), do: []
+  def list_from_api(_), do: []
+
+  defp to_float(value) when is_float(value), do: value
+  defp to_float(value) when is_integer(value), do: value / 1
+  defp to_float(_), do: nil
+end

traderex/lib/traderex_web/auth.ex

@@ -0,0 +1,48 @@
+defmodule TraderexWeb.Auth do
+  @moduledoc """
+  Simple authentication module using environment variables.
+  """
+
+  import Plug.Conn
+
+  @doc """
+  Verifies the given credentials against the configured environment variables.
+  """
+  def verify_credentials(username, password) do
+    configured_user = Application.get_env(:traderex, :dashboard_user)
+    configured_password = Application.get_env(:traderex, :dashboard_password)
+
+    if configured_user && configured_password &&
+         Plug.Crypto.secure_compare(username, configured_user) &&
+         Plug.Crypto.secure_compare(password, configured_password) do
+      :ok
+    else
+      :error
+    end
+  end
+
+  @doc """
+  Logs in the user by setting the session.
+  """
+  def login(conn) do
+    conn
+    |> put_session(:authenticated, true)
+    |> configure_session(renew: true)
+  end
+
+  @doc """
+  Logs out the user by clearing the session.
+  """
+  def logout(conn) do
+    conn
+    |> clear_session()
+    |> configure_session(drop: true)
+  end
+
+  @doc """
+  Checks if the user is authenticated.
+  """
+  def authenticated?(conn) do
+    get_session(conn, :authenticated) == true
+  end
+end

traderex/lib/traderex_web/controllers/auth_controller.ex

@@ -0,0 +1,23 @@
+defmodule TraderexWeb.AuthController do
+  use TraderexWeb, :controller
+
+  def login(conn, %{"credentials" => %{"username" => username, "password" => password}}) do
+    case TraderexWeb.Auth.verify_credentials(username, password) do
+      :ok ->
+        conn
+        |> TraderexWeb.Auth.login()
+        |> redirect(to: ~p"/")
+
+      :error ->
+        conn
+        |> put_flash(:error, "Invalid username or password")
+        |> redirect(to: ~p"/login")
+    end
+  end
+
+  def logout(conn, _params) do
+    conn
+    |> TraderexWeb.Auth.logout()
+    |> redirect(to: ~p"/login")
+  end
+end

traderex/lib/traderex_web/live/dashboard_live.ex

@@ -9,6 +9,11 @@ defmodule TraderexWeb.DashboardLive do
       socket
       |> assign(:account, nil)
       |> assign(:positions, [])
+      |> assign(:events, [])
+      |> assign(:balance_history, nil)
+      |> assign(:balance_period, "MONTH")
+      |> assign(:balance_history_expanded, false)
+      |> assign(:events_expanded, false)
       |> assign(:loading, true)
       |> assign(:error, nil)
 
@@ -22,25 +27,45 @@ defmodule TraderexWeb.DashboardLive do
   @impl true
   def handle_info(:load_data, socket) do
     account_id = Core.Client.account_id()
+    period = socket.assigns.balance_period
+
+    results = {
+      Core.Client.get_account(account_id),
+      Core.Client.get_positions(account_id),
+      Core.Client.get_history(account_id),
+      Core.Client.get_balance_history(account_id, period: period)
+    }
 
     socket =
-      case {Core.Client.get_account(account_id), Core.Client.get_positions(account_id)} do
+      case results do
-        {{:ok, account}, {:ok, positions}} ->
+        {{:ok, account}, {:ok, positions}, {:ok, events}, {:ok, balance_history}} ->
           socket
           |> assign(:account, account)
           |> assign(:positions, positions)
+          |> assign(:events, Enum.take(events, 5))
+          |> assign(:balance_history, balance_history)
           |> assign(:loading, false)
           |> assign(:error, nil)
 
-        {{:error, reason}, _} ->
+        {{:error, reason}, _, _, _} ->
           socket
           |> assign(:loading, false)
           |> assign(:error, "Failed to load account: #{inspect(reason)}")
 
-        {_, {:error, reason}} ->
+        {_, {:error, reason}, _, _} ->
           socket
           |> assign(:loading, false)
           |> assign(:error, "Failed to load positions: #{inspect(reason)}")
+
+        {_, _, {:error, reason}, _} ->
+          socket
+          |> assign(:loading, false)
+          |> assign(:error, "Failed to load history: #{inspect(reason)}")
+
+        {_, _, _, {:error, reason}} ->
+          socket
+          |> assign(:loading, false)
+          |> assign(:error, "Failed to load balance history: #{inspect(reason)}")
       end
 
     schedule_refresh()
@@ -51,6 +76,28 @@ defmodule TraderexWeb.DashboardLive do
     Process.send_after(self(), :load_data, @refresh_interval)
   end
 
+  @impl true
+  def handle_event("change_period", %{"period" => period}, socket) do
+    socket =
+      socket
+      |> assign(:balance_period, period)
+      |> assign(:balance_history, nil)
+
+    send(self(), :load_data)
+    {:noreply, socket}
+  end
+
+  @impl true
+  def handle_event("toggle_balance_history", _, socket) do
+    {:noreply,
+     assign(socket, :balance_history_expanded, !socket.assigns.balance_history_expanded)}
+  end
+
+  @impl true
+  def handle_event("toggle_events", _, socket) do
+    {:noreply, assign(socket, :events_expanded, !socket.assigns.events_expanded)}
+  end
+
   @impl true
   def render(assigns) do
     ~H"""
@@ -58,6 +105,14 @@ defmodule TraderexWeb.DashboardLive do
       <.header>
         Traderex Dashboard
         <:subtitle>Account Overview</:subtitle>
+        <:actions>
+          <div class="flex items-center gap-4">
+            <TraderexWeb.Layouts.theme_toggle />
+            <.link href={~p"/auth/logout"} method="delete" class="btn btn-ghost btn-sm">
+              <.icon name="hero-arrow-right-on-rectangle" class="size-4" /> Logout
+            </.link>
+          </div>
+        </:actions>
       </.header>
 
       <div :if={@loading} class="flex justify-center items-center py-12">
@@ -112,6 +167,71 @@ defmodule TraderexWeb.DashboardLive do
           />
         </div>
 
+        <div class="card bg-base-200 shadow-xl">
+          <div class="card-body">
+            <div class="flex justify-between items-center flex-wrap gap-2">
+              <h2 class="card-title">Balance History</h2>
+              <div class="join">
+                <button
+                  :for={period <- Core.Client.balance_history_periods()}
+                  class={[
+                    "join-item btn btn-sm",
+                    @balance_period == period && "btn-active"
+                  ]}
+                  phx-click="change_period"
+                  phx-value-period={period}
+                >
+                  {format_period_label(period)}
+                </button>
+              </div>
+            </div>
+            <div :if={@balance_history == nil} class="flex justify-center py-4">
+              <span class="loading loading-spinner"></span>
+            </div>
+            <div :if={@balance_history} class="grid grid-cols-1 md:grid-cols-2 gap-4 mb-4">
+              <div class="stat bg-base-100 rounded-box">
+                <div class="stat-title">{format_period_label(@balance_period)} Change</div>
+                <div class={["stat-value text-lg", pl_color(@balance_history.delta)]}>
+                  {format_currency(@balance_history.delta)}
+                </div>
+              </div>
+              <div class="stat bg-base-100 rounded-box">
+                <div class="stat-title">{format_period_label(@balance_period)} Change %</div>
+                <div class={["stat-value text-lg", pl_color(@balance_history.delta_percent)]}>
+                  {format_percent(@balance_history.delta_percent)}
+                </div>
+              </div>
+            </div>
+            <div :if={@balance_history && @balance_history.balances != []} class="mt-2">
+              <button
+                class="btn btn-ghost btn-sm gap-1"
+                phx-click="toggle_balance_history"
+              >
+                <.icon
+                  name={
+                    if @balance_history_expanded, do: "hero-chevron-up", else: "hero-chevron-down"
+                  }
+                  class="size-4"
+                />
+                {if @balance_history_expanded, do: "Hide", else: "Show"} History
+              </button>
+              <.table
+                :if={@balance_history_expanded}
+                id="balance-history"
+                rows={Enum.take(@balance_history.balances, -10) |> Enum.reverse()}
+                row_id={&"balance-#{&1.date}"}
+              >
+                <:col :let={snapshot} label="Date">
+                  {format_date_only(snapshot.date)}
+                </:col>
+                <:col :let={snapshot} label="Value">
+                  {format_currency(snapshot.value)}
+                </:col>
+              </.table>
+            </div>
+          </div>
+        </div>
+
         <div class="card bg-base-200 shadow-xl">
           <div class="card-body">
             <h2 class="card-title">Positions</h2>
@@ -142,6 +262,51 @@ defmodule TraderexWeb.DashboardLive do
             </.table>
           </div>
         </div>
+
+        <div class="card bg-base-200 shadow-xl">
+          <div class="card-body">
+            <div class="flex justify-between items-center">
+              <h2 class="card-title">Recent Activity</h2>
+              <span :if={@events != []} class="text-sm text-base-content/70">
+                {length(@events)} events
+              </span>
+            </div>
+            <div :if={@events == []} class="text-base-content/70 py-4">
+              No recent activity
+            </div>
+            <div :if={@events != []} class="mt-2">
+              <button
+                class="btn btn-ghost btn-sm gap-1"
+                phx-click="toggle_events"
+              >
+                <.icon
+                  name={if @events_expanded, do: "hero-chevron-up", else: "hero-chevron-down"}
+                  class="size-4"
+                />
+                {if @events_expanded, do: "Hide", else: "Show"} Activity
+              </button>
+              <.table
+                :if={@events_expanded}
+                id="events"
+                rows={@events}
+                row_id={&"event-#{&1.date}"}
+              >
+                <:col :let={event} label="Date">
+                  {format_datetime(event.date)}
+                </:col>
+                <:col :let={event} label="Type">
+                  <span class="badge badge-ghost">{event.type}</span>
+                </:col>
+                <:col :let={event} label="Description">
+                  {event.description}
+                </:col>
+                <:col :let={event} label="Amount">
+                  <span class={amount_color(event.amount)}>{format_currency(event.amount)}</span>
+                </:col>
+              </.table>
+            </div>
+          </div>
+        </div>
       </div>
     </div>
     """
@@ -166,7 +331,11 @@ defmodule TraderexWeb.DashboardLive do
 
   defp format_currency(nil), do: "-"
 
-  defp format_currency(amount) when is_number(amount) do
+  defp format_currency(amount) when is_integer(amount) do
+    format_currency(amount / 1)
+  end
+
+  defp format_currency(amount) when is_float(amount) do
     sign = if amount < 0, do: "-", else: ""
     "#{sign}$#{:erlang.float_to_binary(abs(amount), decimals: 2)}"
   end
@@ -189,7 +358,40 @@ defmodule TraderexWeb.DashboardLive do
     Calendar.strftime(dt, "%Y-%m-%d")
   end
 
+  defp format_date_only(nil), do: "-"
+
+  defp format_date_only(%Date{} = date) do
+    Calendar.strftime(date, "%Y-%m-%d")
+  end
+
+  defp format_percent(nil), do: "-"
+
+  defp format_percent(percent) when is_number(percent) do
+    sign = if percent >= 0, do: "+", else: ""
+    "#{sign}#{:erlang.float_to_binary(percent / 1, decimals: 2)}%"
+  end
+
+  defp format_datetime(nil), do: "-"
+
+  defp format_datetime(%DateTime{} = dt) do
+    Calendar.strftime(dt, "%Y-%m-%d %H:%M")
+  end
+
   defp pl_color(nil), do: nil
   defp pl_color(amount) when amount >= 0, do: "text-success"
   defp pl_color(_amount), do: "text-error"
+
+  defp amount_color(nil), do: nil
+  defp amount_color(amount) when amount > 0, do: "text-success"
+  defp amount_color(amount) when amount < 0, do: "text-error"
+  defp amount_color(_amount), do: nil
+
+  defp format_period_label("WEEK"), do: "1W"
+  defp format_period_label("MONTH"), do: "1M"
+  defp format_period_label("YTD"), do: "YTD"
+  defp format_period_label("YEAR"), do: "1Y"
+  defp format_period_label("YEAR_3"), do: "3Y"
+  defp format_period_label("YEAR_5"), do: "5Y"
+  defp format_period_label("ALL"), do: "All"
+  defp format_period_label(period), do: period
 end

traderex/lib/traderex_web/live/login_live.ex

@@ -0,0 +1,38 @@
+defmodule TraderexWeb.LoginLive do
+  use TraderexWeb, :live_view
+
+  @impl true
+  def mount(_params, _session, socket) do
+    form = to_form(%{"username" => "", "password" => ""}, as: :credentials)
+    {:ok, assign(socket, form: form)}
+  end
+
+  @impl true
+  def render(assigns) do
+    ~H"""
+    <div class="min-h-screen flex items-center justify-center">
+      <div class="card bg-base-200 shadow-xl w-full max-w-md">
+        <div class="card-body">
+          <h2 class="card-title text-2xl justify-center mb-4">Traderex Login</h2>
+
+          <.flash :if={@flash[:error]} kind={:error} flash={@flash} />
+
+          <.form
+            for={@form}
+            id="login-form"
+            action={~p"/auth/login"}
+            method="post"
+            class="space-y-4"
+          >
+            <.input field={@form[:username]} type="text" label="Username" required />
+            <.input field={@form[:password]} type="password" label="Password" required />
+            <.button type="submit" variant="primary" class="w-full">
+              Sign In
+            </.button>
+          </.form>
+        </div>
+      </div>
+    </div>
+    """
+  end
+end

traderex/lib/traderex_web/plugs/require_auth.ex

@@ -0,0 +1,20 @@
+defmodule TraderexWeb.Plugs.RequireAuth do
+  @moduledoc """
+  Plug that requires authentication to access protected routes.
+  """
+
+  import Plug.Conn
+  import Phoenix.Controller
+
+  def init(opts), do: opts
+
+  def call(conn, _opts) do
+    if TraderexWeb.Auth.authenticated?(conn) do
+      conn
+    else
+      conn
+      |> redirect(to: "/login")
+      |> halt()
+    end
+  end
+end

traderex/lib/traderex_web/router.ex

@@ -14,9 +14,21 @@ defmodule TraderexWeb.Router do
     plug :accepts, ["json"]
   end
 
+  pipeline :require_auth do
+    plug TraderexWeb.Plugs.RequireAuth
+  end
+
   scope "/", TraderexWeb do
     pipe_through :browser
 
+    live "/login", LoginLive
+    post "/auth/login", AuthController, :login
+    delete "/auth/logout", AuthController, :logout
+  end
+
+  scope "/", TraderexWeb do
+    pipe_through [:browser, :require_auth]
+
     live "/", DashboardLive
   end
 

traderex/test/traderex_web/live/dashboard_live_test.exs

@@ -3,13 +3,38 @@ defmodule TraderexWeb.DashboardLiveTest do
 
   import Phoenix.LiveViewTest
 
-  test "renders dashboard", %{conn: conn} do
+  setup do
+    # Set test credentials
+    Application.put_env(:traderex, :dashboard_user, "testuser")
+    Application.put_env(:traderex, :dashboard_password, "testpass")
+
+    on_exit(fn ->
+      Application.delete_env(:traderex, :dashboard_user)
+      Application.delete_env(:traderex, :dashboard_password)
+    end)
+
+    :ok
+  end
+
+  defp log_in(conn) do
+    conn
+    |> Plug.Test.init_test_session(%{})
+    |> Plug.Conn.put_session(:authenticated, true)
+  end
+
+  test "redirects to login when not authenticated", %{conn: conn} do
+    assert {:error, {:redirect, %{to: "/login"}}} = live(conn, ~p"/")
+  end
+
+  test "renders dashboard when authenticated", %{conn: conn} do
+    conn = log_in(conn)
     {:ok, view, html} = live(conn, ~p"/")
     assert html =~ "Traderex Dashboard"
     assert has_element?(view, "header", "Account Overview")
   end
 
-  test "shows loading state initially", %{conn: conn} do
+  test "shows loading state initially when authenticated", %{conn: conn} do
+    conn = log_in(conn)
     {:ok, _view, html} = live(conn, ~p"/")
     assert html =~ "loading loading-spinner"
   end

traderex/test/traderex_web/live/login_live_test.exs

@@ -0,0 +1,11 @@
+defmodule TraderexWeb.LoginLiveTest do
+  use TraderexWeb.ConnCase, async: true
+
+  import Phoenix.LiveViewTest
+
+  test "renders login form", %{conn: conn} do
+    {:ok, view, html} = live(conn, ~p"/login")
+    assert html =~ "Traderex Login"
+    assert has_element?(view, "#login-form")
+  end
+end