champion detail win rate chart

apps/lol_analytics/lib/lol_analytics/facts/champion_played_game/champion_played_game_repo.ex

@@ -51,7 +51,8 @@ defmodule LolAnalytics.Facts.ChampionPlayedGame.Repo do
     end
   end
 
-  defp get_all_win_rates do
+  @spec champion_win_rates_by_patch(String.t(), String.t()) :: [map()]
+  def champion_win_rates_by_patch(champion_id, team_position) do
     query =
       from m in Schema,
         join: c in ChampionSchema,
@@ -66,13 +67,15 @@ defmodule LolAnalytics.Facts.ChampionPlayedGame.Repo do
               m.is_win
             ),
           id: m.champion_id,
+          patch_number: m.patch_number,
           name: c.name,
           image: c.image,
           team_position: m.team_position,
           total_games: count("*")
         },
-        group_by: [m.champion_id, c.image, c.name, m.team_position],
+        group_by: [m.champion_id, c.image, c.name, m.patch_number, m.team_position],
-        having: count("*") > 100
+        where: m.team_position == ^team_position and m.champion_id == ^champion_id,
+        having: count("*") > 50
 
     Repo.all(query)
   end

apps/lol_analytics_web/assets/js/app.js

@@ -18,18 +18,22 @@
 // Include phoenix_html to handle method=PUT/DELETE in forms and buttons.
 import "phoenix_html"
 // Establish Phoenix Socket and LiveView configuration.
-import {Socket} from "phoenix"
+import { Socket } from "phoenix"
-import {LiveSocket} from "phoenix_live_view"
+import { LiveSocket } from "phoenix_live_view"
 import topbar from "../vendor/topbar"
+import { ChampionWinRate } from "./hooks/champion_win_rate_patch"
 
 let csrfToken = document.querySelector("meta[name='csrf-token']").getAttribute("content")
 let liveSocket = new LiveSocket("/live", Socket, {
   longPollFallbackMs: 2500,
-  params: {_csrf_token: csrfToken}
+  params: { _csrf_token: csrfToken },
+  hooks: {
+    ChampionWinRate,
+  }
 })
 
 // Show progress bar on live navigation and form submits
-topbar.config({barColors: {0: "#29d"}, shadowColor: "rgba(0, 0, 0, .3)"})
+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())
 

apps/lol_analytics_web/assets/js/hooks/champion_win_rate_patch.js

@@ -0,0 +1,38 @@
+import Chart from "chart.js/auto"
+
+const ChampionWinRate = {
+    mounted() {
+        console.log("mounted")
+        this.handleEvent("points", (event) => console.log("123"))
+
+        // this.props = { id: this.el.getAttribute("data-id") };
+        this.handleEvent("win-rate", ({ winRates }) => {
+            console.log(">>>>>>>")
+            console.log(winRates);
+            patches = winRates.map((winRate) => {
+                return winRate.patch_number
+            })
+            winRateValues = winRates.map((winRate) => winRate.win_rate)
+            setInterval(() => {
+                const data = {
+                    labels: patches,
+                    datasets: [{
+                        label: 'Win rate',
+                        data: winRateValues,
+                        fill: false,
+                        borderColor: 'rgb(75, 192, 192)',
+                        tension: 0.1
+                    }]
+                };
+                this.chart = new Chart(document.getElementById("win-rate"), {
+                    type: 'line',
+                    data: data
+                })
+                this.chart.canvas.parentNode.style.height = '250px';
+                this.chart.canvas.parentNode.style.width = '400px';
+            }, 1000)
+        });
+    }
+}
+
+export { ChampionWinRate };

apps/lol_analytics_web/assets/package-lock.json

@@ -0,0 +1,28 @@
+{
+  "name": "assets",
+  "lockfileVersion": 3,
+  "requires": true,
+  "packages": {
+    "": {
+      "dependencies": {
+        "chart.js": "^4.4.3"
+      }
+    },
+    "node_modules/@kurkle/color": {
+      "version": "0.3.2",
+      "resolved": "https://registry.npmjs.org/@kurkle/color/-/color-0.3.2.tgz",
+      "integrity": "sha512-fuscdXJ9G1qb7W8VdHi+IwRqij3lBkosAm4ydQtEmbY58OzHXqQhvlxqEkoz0yssNVn38bcpRWgA9PP+OGoisw=="
+    },
+    "node_modules/chart.js": {
+      "version": "4.4.3",
+      "resolved": "https://registry.npmjs.org/chart.js/-/chart.js-4.4.3.tgz",
+      "integrity": "sha512-qK1gkGSRYcJzqrrzdR6a+I0vQ4/R+SoODXyAjscQ/4mzuNzySaMCd+hyVxitSY1+L2fjPD1Gbn+ibNqRmwQeLw==",
+      "dependencies": {
+        "@kurkle/color": "^0.3.0"
+      },
+      "engines": {
+        "pnpm": ">=8"
+      }
+    }
+  }
+}

apps/lol_analytics_web/assets/package.json

@@ -0,0 +1,5 @@
+{
+  "dependencies": {
+    "chart.js": "^4.4.3"
+  }
+}

apps/lol_analytics_web/lib/lol_analytics_web/components/champion_components/champion_avatar.ex

@@ -4,11 +4,19 @@ defmodule LolAnalyticsWeb.ChampionComponents.ChampionAvatar do
   attr :id, :integer, required: true
   attr :image, :string, required: true
   attr :name, :string, required: true
+  attr :width, :integer, default: 100
+  attr :height, :integer, default: 100
 
   def champion_avatar(assigns) do
     ~H"""
+    <style>
+      .champion-avatar {
+       width: 100px;
+       height: 100px;
+      }
+    </style>
     <div class="flex flex-col w-40">
-      <img src={@image} alt="champion-icon" />
+      <img src={@image} class="champion-avatar" alt="champion-icon" />
     </div>
     """
   end

apps/lol_analytics_web/lib/lol_analytics_web/live/champion_live/show.ex

@@ -19,23 +19,37 @@ defmodule LoLAnalyticsWeb.ChampionLive.Show do
      socket
      |> assign(:page_title, page_title(socket.assigns.live_action))
      |> assign(:champion, load_champion_info(id))
+     |> load_win_rates(id, team_position)
      |> load_summoner_spells(id, team_position)
      |> load_items(id, team_position, patch)}
   end
 
+  def load_win_rates(socket, champion_id, team_position) do
+    socket
+    |> start_async(:get_win_rates, fn ->
+      LolAnalytics.Facts.ChampionPlayedGame.Repo.champion_win_rates_by_patch(
+        champion_id,
+        team_position
+      )
+      |> Enum.sort(fn p1, p2 ->
+        [_, minor_1] = String.split(p1.patch_number, ".") |> Enum.map(&String.to_integer/1)
+        [_, minor_2] = String.split(p2.patch_number, ".") |> Enum.map(&String.to_integer/1)
+
+        p1 < p2 && minor_1 < minor_2
+      end)
+    end)
+  end
+
   defp load_summoner_spells(socket, champion_id, team_position) do
     socket
     |> assign(:summoner_spells, %{status: :loading})
-    |> start_async(
+    |> start_async(:get_summoners, fn ->
-      :get_summoners,
-      fn ->
       LolAnalytics.Facts.ChampionPickedSummonerSpell.Repo.get_champion_picked_summoners(
         champion_id,
         team_position
       )
       |> ShowMapper.map_spells()
-      end
+    end)
-    )
   end
 
   defp load_items(socket, champion_id, team_position, patch) do
@@ -61,9 +75,12 @@ defmodule LoLAnalyticsWeb.ChampionLive.Show do
     )
   end
 
-  def handle_async(:get_items, {:ok, %{popular: popular, boots: boots}} = result, socket) do
+  def handle_async(:get_win_rates, {:ok, result}, socket) do
     IO.inspect(result)
+    {:noreply, push_event(socket, "win-rate", %{winRates: result})}
+  end
 
+  def handle_async(:get_items, {:ok, %{popular: popular, boots: boots}} = result, socket) do
     socket =
       socket
       |> assign(:items, %{

apps/lol_analytics_web/lib/lol_analytics_web/live/champion_live/show.html.heex

@@ -1,3 +1,9 @@
+<style>
+  .win-rate {
+    height: 250px;
+  }
+</style>
+
 <.header>
   <h1 class="text-4xl">
     <%= @champion.name %>
@@ -6,9 +12,11 @@
 
 <div class="my-6" />
 
-<.champion_avatar id={@champion.id} name={@champion.name}
+<div class="flex flex-row gap-4">
+  <.champion_avatar class="w-20" id={@champion.id} name={@champion.name}
     image={"https://ddragon.leagueoflegends.com/cdn/14.11.1/img/champion/#{@champion.image}"} />
-
+  <canvas class="w-full win-rate" height="250" class="win-rate" id="win-rate" phx-hook="ChampionWinRate" />
+</div>
 <div class="my-4" />
 
 <.render_summoners summoner_pells={@summoner_spells} />