Handle balancer via url

config/dev.exs

@@ -60,12 +60,7 @@ config :teiserver, Teiserver,
   heartbeat_timeout: nil,
   enable_discord_bridge: false,
   enable_hailstorm: true,
-  accept_all_emails: true,
-
-  # The balance algorithm to use on the admin/matches/match/:id page
-  # It is purely used for analysis and not for actual games
-  # TODO move this into dropdown on admin/matches/match/:id page
-  analysis_balance_algorithm: "loser_picks"
+  accept_all_emails: true
 
 # Watch static and templates for browser reloading.
 config :teiserver, TeiserverWeb.Endpoint,

lib/teiserver_web/live/battles/match/show.ex

@@ -16,10 +16,14 @@ defmodule TeiserverWeb.Battle.MatchLive.Show do
   end
 
   @impl true
-  def handle_params(%{"id" => id} = params, _url, socket) do
+  def handle_params(params, _url, socket) do
+    id = Map.get(params, "id")
+    balancer = Map.get(params, "balancer", "loser_picks")
+
     socket =
       socket
       |> assign(:id, String.to_integer(id))
+      |> assign(:balancer, balancer)
       |> get_match()
       |> assign(:tab, socket.assigns.live_action)
 
@@ -59,7 +63,7 @@ defmodule TeiserverWeb.Battle.MatchLive.Show do
   #   {:noreply, assign(socket, :tab, tab)}
   # end
 
-  defp get_match(%{assigns: %{id: id, current_user: _current_user}} = socket) do
+  defp get_match(%{assigns: %{id: id, balancer: balancer, current_user: _current_user}} = socket) do
     if connected?(socket) do
       match =
         Battle.get_match!(id,
@@ -128,13 +132,11 @@ defmodule TeiserverWeb.Battle.MatchLive.Show do
         |> List.flatten()
 
       past_balance =
-        BalanceLib.create_balance(groups, match.team_count,
-          algorithm: get_analysis_balance_algorithm()
-        )
+        BalanceLib.create_balance(groups, match.team_count, algorithm: balancer)
         |> Map.put(:balance_mode, :grouped)
 
       # What about new balance?
-      new_balance = generate_new_balance_data(match)
+      new_balance = generate_new_balance_data(match, balancer)
 
       raw_events =
         Telemetry.list_simple_match_events(where: [match_id: match.id], preload: [:event_types])
@@ -185,6 +187,7 @@ defmodule TeiserverWeb.Battle.MatchLive.Show do
       |> assign(:new_balance, new_balance)
       |> assign(:events_by_type, events_by_type)
       |> assign(:events_by_team_and_type, events_by_team_and_type)
+      |> assign(:balancer, balancer)
     else
       socket
       |> assign(:match, nil)
@@ -196,10 +199,11 @@ defmodule TeiserverWeb.Battle.MatchLive.Show do
       |> assign(:new_balance, %{})
       |> assign(:events_by_type, %{})
       |> assign(:events_by_team_and_type, %{})
+      |> assign(:balancer, balancer)
     end
   end
 
-  defp generate_new_balance_data(match) do
+  defp generate_new_balance_data(match, balancer) do
     rating_type = MatchLib.game_type(match.team_size, match.team_count)
 
     partied_players =
@@ -225,14 +229,7 @@ defmodule TeiserverWeb.Battle.MatchLive.Show do
       end)
       |> List.flatten()
 
-    BalanceLib.create_balance(groups, match.team_count,
-      algorithm: get_analysis_balance_algorithm()
-    )
+    BalanceLib.create_balance(groups, match.team_count, algorithm: balancer)
     |> Map.put(:balance_mode, :grouped)
   end
-
-  defp get_analysis_balance_algorithm() do
-    # TODO move this from config into a dropdown so it can be selected on this page
-    Application.get_env(:teiserver, Teiserver)[:analysis_balance_algorithm] || "loser_picks"
-  end
 end

lib/teiserver_web/live/battles/match/show.html.heex

@@ -284,7 +284,9 @@
 
     <%= if allow?(@current_user, "Overwatch") do %>
       <div :if={@tab == :balance} class="p-4">
+        <p>Balancer: <%= @balancer %></p>
         <h4>Based on data at the time</h4>
+
         <table class="table">
           <tbody>
             <tr>

lib/teiserver_web/router.ex

@@ -304,6 +304,7 @@ defmodule TeiserverWeb.Router do
       live "/:id/players", MatchLive.Show, :players
       live "/:id/ratings", MatchLive.Show, :ratings
       live "/:id/balance", MatchLive.Show, :balance
+      live "/:id/balance/:balancer", MatchLive.Show, :balance
       live "/:id/events", MatchLive.Show, :events
     end
   end