player win/loss streaks

static/css/style.css

@@ -828,6 +828,10 @@ td a:hover {
     background: rgba(255, 255, 255, 0.07);
 }
 
+.chart-frame-small {
+    min-height: 260px;
+}
+
 @media (max-width: 980px) {
     .site-shell {
         width: min(100% - 24px, 100%);

stats.py

@@ -76,6 +76,14 @@ class PlayerStats:
     total_cash_out_cents: int
     total_net_cents: int
     roi_pct: float
+    current_win_streak: int
+    current_loss_streak: int
+    longest_win_streak: int
+    longest_loss_streak: int
+    best_session_date: str | None
+    best_session_net_cents: int
+    worst_session_date: str | None
+    worst_session_net_cents: int
     rank_change: int = 0
 
 
@@ -189,6 +197,68 @@ def build_session_summaries(events: list[EventRow]) -> list[SessionSummary]:
     return sessions
 
 
+def summarize_player_runs(entries: list[SessionEntry]) -> dict[str, int | str | None]:
+    ordered_entries = sorted(entries, key=lambda entry: entry.session_date)
+
+    longest_win_streak = 0
+    longest_loss_streak = 0
+    current_run_wins = 0
+    current_run_losses = 0
+
+    best_entry: SessionEntry | None = None
+    worst_entry: SessionEntry | None = None
+
+    for entry in ordered_entries:
+        net = entry.net_cents
+
+        if best_entry is None or net > best_entry.net_cents:
+            best_entry = entry
+
+        if worst_entry is None or net < worst_entry.net_cents:
+            worst_entry = entry
+
+        if net > 0:
+            current_run_wins += 1
+            current_run_losses = 0
+        elif net < 0:
+            current_run_losses += 1
+            current_run_wins = 0
+        else:
+            current_run_wins = 0
+            current_run_losses = 0
+
+        longest_win_streak = max(longest_win_streak, current_run_wins)
+        longest_loss_streak = max(longest_loss_streak, current_run_losses)
+
+    current_win_streak = 0
+    current_loss_streak = 0
+
+    for entry in reversed(ordered_entries):
+        net = entry.net_cents
+
+        if net > 0:
+            if current_loss_streak > 0:
+                break
+            current_win_streak += 1
+        elif net < 0:
+            if current_win_streak > 0:
+                break
+            current_loss_streak += 1
+        else:
+            break
+
+    return {
+        "current_win_streak": current_win_streak,
+        "current_loss_streak": current_loss_streak,
+        "longest_win_streak": longest_win_streak,
+        "longest_loss_streak": longest_loss_streak,
+        "best_session_date": best_entry.session_date if best_entry else None,
+        "best_session_net_cents": best_entry.net_cents if best_entry else 0,
+        "worst_session_date": worst_entry.session_date if worst_entry else None,
+        "worst_session_net_cents": worst_entry.net_cents if worst_entry else 0,
+    }
+
+
 def build_leaderboard(sessions: list[SessionSummary]) -> list[PlayerStats]:
     player_entries: dict[str, list[SessionEntry]] = defaultdict(list)
     for session in sessions:
@@ -198,6 +268,7 @@ def build_leaderboard(sessions: list[SessionSummary]) -> list[PlayerStats]:
     leaderboard: list[PlayerStats] = []
     for player_name, entries in player_entries.items():
         nets = [entry.net_cents for entry in entries]
+        run_summary = summarize_player_runs(entries)
         wins = [value for value in nets if value > 0]
         losses = [value for value in nets if value < 0]
         total_buy_in = sum(entry.buy_in_cents for entry in entries)
@@ -232,6 +303,14 @@ def build_leaderboard(sessions: list[SessionSummary]) -> list[PlayerStats]:
                 total_cash_out_cents=total_cash_out,
                 total_net_cents=total_net,
                 roi_pct=roi_pct,
+                current_win_streak=run_summary["current_win_streak"],
+                current_loss_streak=run_summary["current_loss_streak"],
+                longest_win_streak=run_summary["longest_win_streak"],
+                longest_loss_streak=run_summary["longest_loss_streak"],
+                best_session_date=run_summary["best_session_date"],
+                best_session_net_cents=run_summary["best_session_net_cents"],
+                worst_session_date=run_summary["worst_session_date"],
+                worst_session_net_cents=run_summary["worst_session_net_cents"],
             )
         )
 

templates/player_detail.html

@@ -16,9 +16,24 @@
     <article class="panel stat-card"><span>Buy-ins</span><strong>{{ player.total_buy_in_cents | money }}</strong></article>
     <article class="panel stat-card"><span>Cash-outs</span><strong>{{ player.total_cash_out_cents | money }}</strong></article>
     <article class="panel stat-card"><span>Sessions</span><strong>{{ player.sessions_played }}</strong></article>
+    <article class="panel stat-card">
+        <span>Current Streak</span>
+        <strong>
+            {% if player.current_win_streak > 0 %}
+                W{{ player.current_win_streak }}
+            {% elif player.current_loss_streak > 0 %}
+                L{{ player.current_loss_streak }}
+            {% else %}
+                -
+            {% endif %}
+        </strong>
+    </article>
+
+    <article class="panel stat-card"><span>Longest win streak</span><strong>{{ player.longest_win_streak }}</strong></article>
+    <article class="panel stat-card"><span>Longest loss streak</span><strong>{{ player.longest_loss_streak }}</strong></article>
 </section>
 
-<section class="grid two-col">
+<section class="grid one-col">
     <div class="panel chart-panel">
         <div class="panel-header">
             <div>
@@ -30,6 +45,9 @@
             <canvas id="playerCumulativeChart"></canvas>
         </div>
     </div>
+</section>
+
+<section class="grid two-col">
     <div class="panel chart-panel">
         <div class="panel-header">
             <div>
@@ -41,6 +59,17 @@
             <canvas id="playerSessionChart"></canvas>
         </div>
     </div>
+    <div class="panel chart-panel">
+        <div class="panel-header">
+            <div>
+                <p class="eyebrow">Breakdown</p>
+                <h2>Result mix</h2>
+            </div>
+        </div>
+        <div class="chart-frame chart-frame-small">
+            <canvas id="playerBreakdownChart"></canvas>
+        </div>
+    </div>
 </section>
 
 <section class="panel">
@@ -60,6 +89,28 @@
                 <tr><th>Average Loss</th><td>{{ player.avg_loss_cents | money }}</td></tr>
                 <tr><th>Biggest Win</th><td>{{ player.biggest_win_cents | money }}</td></tr>
                 <tr><th>Biggest Loss</th><td>{{ player.biggest_loss_cents | money }}</td></tr>
+                <tr><th>Current Win Streak</th><td>{{ player.current_win_streak }}</td></tr>
+                <tr><th>Current Loss Streak</th><td>{{ player.current_loss_streak }}</td></tr>
+                <tr><th>Longest Win Streak</th><td>{{ player.longest_win_streak }}</td></tr>
+                <tr><th>Longest Loss Streak</th><td>{{ player.longest_loss_streak }}</td></tr>
+                <tr>
+                    <th>Best Session</th>
+                    <td>
+                        {{ player.best_session_net_cents | money }}
+                        {% if player.best_session_date %}
+                            <span class="muted-text small">on {{ player.best_session_date | pretty_date }}</span>
+                        {% endif %}
+                    </td>
+                </tr>
+                <tr>
+                    <th>Worst Session</th>
+                    <td>
+                        {{ player.worst_session_net_cents | money }}
+                        {% if player.worst_session_date %}
+                            <span class="muted-text small">on {{ player.worst_session_date | pretty_date }}</span>
+                        {% endif %}
+                    </td>
+                </tr>
             </tbody>
         </table>
     </div>
@@ -138,4 +189,45 @@
         });
     }
 </script>
+
+<script>
+    const breakdownCtx = document.getElementById('playerBreakdownChart');
+    if (breakdownCtx) {
+        new Chart(breakdownCtx, {
+            type: 'doughnut',
+            data: {
+                labels: ['Wins', 'Losses', 'Break-even'],
+                datasets: [{
+                    data: [
+                        {{ player.winning_sessions }},
+                        {{ player.losing_sessions }},
+                        {{ player.break_even_sessions }}
+                    ],
+                    backgroundColor: [
+                        '#59d98e',
+                        '#f06c72',
+                        '#e4bf65'
+                    ],
+                    borderWidth: 0,
+                }]
+            },
+            options: {
+                responsive: true,
+                maintainAspectRatio: false,
+                plugins: {
+                    legend: {
+                        position: 'bottom',
+                        labels: {
+                            color: textMuted,
+                            usePointStyle: true,
+                            boxWidth: 10,
+                            boxHeight: 10,
+                            padding: 18,
+                        },
+                    },
+                },
+            },
+        });
+    }
+</script>
 {% endblock %}