feat: section détail mensuel dans la page rapports

Reviewed-on: #1

app/business/time_calc.py

@@ -25,6 +25,30 @@ def week_balance_minutes(actual_minutes: int, reference_minutes: int) -> int:
     return actual_minutes - reference_minutes
 
 
+import statistics as _stats
+
+
+def monthly_stats(entries: list) -> dict:
+    """
+    Calcule médiane journalière et médiane hebdomadaire (semaines ISO)
+    pour un groupe d'entrées. Les absences (total_minutes=0) sont incluses.
+    """
+    if not entries:
+        return {"median_daily_min": 0, "median_weekly_min": 0}
+
+    daily = [e.total_minutes() for e in entries]
+    median_daily = int(_stats.median(daily))
+
+    weekly: dict[tuple, int] = {}
+    for e in entries:
+        key = e.date.isocalendar()[:2]  # (year, isoweek)
+        weekly[key] = weekly.get(key, 0) + e.total_minutes()
+
+    median_weekly = int(_stats.median(weekly.values()))
+
+    return {"median_daily_min": median_daily, "median_weekly_min": median_weekly}
+
+
 def count_day_types(entries: list) -> dict[str, int]:
     """Retourne un dict {day_type: count} pour une liste d'entrées, sans les zéros."""
     counts: dict[str, int] = {}

app/routes/reports.py

@@ -1,14 +1,21 @@
 from flask import Blueprint, render_template, request
 from datetime import date
+from collections import defaultdict
 import sqlalchemy as sa
 from app import db
 from app.models import WorkEntry
 from app.business.travel_calc import compute_km_for_entry, compute_co2_grams, compute_frais_reels
-from app.business.time_calc import count_day_types
+from app.business.time_calc import count_day_types, monthly_stats, minutes_to_str
 from app.config_loader import get_vehicles, get_journeys, get_bareme
 
 bp = Blueprint("reports", __name__, url_prefix="/reports")
 
+MONTHS_FR = {
+    1: "Janvier", 2: "Février", 3: "Mars", 4: "Avril",
+    5: "Mai", 6: "Juin", 7: "Juillet", 8: "Août",
+    9: "Septembre", 10: "Octobre", 11: "Novembre", 12: "Décembre",
+}
+
 
 @bp.route("/")
 def index():
@@ -23,6 +30,7 @@ def index():
     vehicles = get_vehicles()
     journeys = get_journeys()
 
+    # --- Stats annuelles (inchangées) ---
     total_km = {}
     total_co2 = 0.0
     for entry in entries:
@@ -42,6 +50,32 @@ def index():
 
     day_type_counts = count_day_types(entries)
 
+    # --- Stats mensuelles ---
+    entries_by_month: dict[int, list] = defaultdict(list)
+    for entry in entries:
+        entries_by_month[entry.date.month].append(entry)
+
+    monthly_data = {}
+    for month in range(1, 13):
+        month_entries = entries_by_month.get(month, [])
+
+        month_km: dict[str, int] = {}
+        for entry in month_entries:
+            km = compute_km_for_entry(entry.journey_profile_id, journeys, entry.motor_vehicle_id)
+            for v, d in km.items():
+                month_km[v] = month_km.get(v, 0) + d
+
+        stats = monthly_stats(month_entries)
+
+        monthly_data[month] = {
+            "month_name": MONTHS_FR[month],
+            "entry_count": len(month_entries),
+            "km_by_vehicle": month_km,
+            "km_total": sum(month_km.values()),
+            "median_daily_str": minutes_to_str(stats["median_daily_min"]) if month_entries else "–",
+            "median_weekly_str": minutes_to_str(stats["median_weekly_min"]) if month_entries else "–",
+        }
+
     return render_template(
         "reports.html",
         year=year,
@@ -50,4 +84,5 @@ def index():
         frais_reels=frais_reels,
         vehicles=vehicles,
         day_type_counts=day_type_counts,
+        monthly_data=monthly_data,
     )

app/templates/reports.html

@@ -78,4 +78,72 @@
   {% endif %}
 </div>
 
+<!-- Détail mensuel -->
+<p class="font-display text-lg font-semibold mt-8 mb-3" style="color:var(--ink);">Détail mensuel</p>
+
+{% for month_num in range(1, 13) %}
+{% set m = monthly_data[month_num] %}
+<div class="card card-ink mb-4">
+  <div class="flex items-baseline justify-between mb-2">
+    <p class="card-label">{{ m.month_name }}</p>
+    <span class="text-xs" style="color:#9A9288;">{{ m.entry_count }} j</span>
+  </div>
+
+  {% if m.entry_count == 0 %}
+    <p class="text-sm" style="color:#9A9288;">Aucune entrée</p>
+  {% else %}
+    {# --- Barre transport --- #}
+    {% if m.km_total > 0 %}
+      <p class="font-data font-semibold mb-1" style="font-size:1.2rem; color:var(--ink);">
+        {{ m.km_total }}<span class="font-normal text-xs ml-1" style="color:#9A9288;">km</span>
+      </p>
+      <div class="flex rounded overflow-hidden mb-1" style="height:10px; background:#e5e2dc;">
+        {% for vehicle_id, km in m.km_by_vehicle.items() %}
+          {% set v_info = vehicles.get(vehicle_id, {}) %}
+          {% if v_info.get('type') == 'velo' %}
+            {% set color = '#4ade80' %}
+          {% elif v_info.get('fuel') == 'electric' %}
+            {% set color = '#818cf8' %}
+          {% else %}
+            {% set color = '#d4a574' %}
+          {% endif %}
+          {% set pct = (km / m.km_total * 100) | round(1) %}
+          <div style="width:{{ pct }}%; background-color:{{ color }};"></div>
+        {% endfor %}
+      </div>
+      <div class="flex flex-wrap gap-x-3 mb-3">
+        {% for vehicle_id, km in m.km_by_vehicle.items() %}
+          {% set v_info = vehicles.get(vehicle_id, {}) %}
+          {% if v_info.get('type') == 'velo' %}
+            {% set color = '#4ade80' %}
+          {% elif v_info.get('fuel') == 'electric' %}
+            {% set color = '#818cf8' %}
+          {% else %}
+            {% set color = '#d4a574' %}
+          {% endif %}
+          <span class="text-xs" style="color:#8A8278;">
+            <span style="display:inline-block; width:8px; height:8px; border-radius:2px; background:{{ color }}; margin-right:3px;"></span>
+            {{ vehicles.get(vehicle_id, {}).get('name', vehicle_id) }} ({{ km }} km)
+          </span>
+        {% endfor %}
+      </div>
+    {% else %}
+      <p class="text-xs mb-3" style="color:#9A9288;">Aucun déplacement</p>
+    {% endif %}
+
+    {# --- Stats temporelles --- #}
+    <div class="flex gap-6">
+      <div>
+        <p class="text-xs mb-0.5" style="color:#9A9288;">Médiane / jour</p>
+        <p class="font-data font-semibold" style="color:var(--ink);">{{ m.median_daily_str }}</p>
+      </div>
+      <div>
+        <p class="text-xs mb-0.5" style="color:#9A9288;">Médiane / semaine</p>
+        <p class="font-data font-semibold" style="color:var(--ink);">{{ m.median_weekly_str }}</p>
+      </div>
+    </div>
+  {% endif %}
+</div>
+{% endfor %}
+
 {% endblock %}

tests/test_routes.py

@@ -91,3 +91,11 @@ def test_create_entry_velo_no_motor_vehicle(client, app):
         )
         assert entry is not None
         assert entry.motor_vehicle_id is None
+
+
+def test_reports_monthly_section(client):
+    response = client.get("/reports/")
+    assert response.status_code == 200
+    assert "Détail mensuel" in response.text
+    assert "Janvier" in response.text
+    assert "Décembre" in response.text

tests/test_time_calc.py

@@ -43,8 +43,9 @@ def test_week_balance_negative():
 
 
 from app.business.time_calc import count_day_types
-from app.models import WorkEntry
-from datetime import date
+from app.models import WorkEntry, TimeSlot
+from app.business.time_calc import monthly_stats
+from datetime import date, time as dtime
 
 
 def test_count_day_types_basic():
@@ -62,6 +63,63 @@ def test_count_day_types_empty():
     assert count_day_types([]) == {}
 
 
+def _entry(d: date, *slots: tuple[str, str]) -> WorkEntry:
+    """Helper : crée un WorkEntry avec des TimeSlots."""
+    entry = WorkEntry(date=d, day_type="WORK")
+    entry.time_slots = [
+        TimeSlot(start_time=dtime(*[int(x) for x in s.split(":")]),
+                 end_time=dtime(*[int(x) for x in e.split(":")]))
+        for s, e in slots
+    ]
+    return entry
+
+
+def _absence(d: date) -> WorkEntry:
+    """Helper : crée un WorkEntry sans time_slots (0 min)."""
+    entry = WorkEntry(date=d, day_type="CONGE")
+    entry.time_slots = []
+    return entry
+
+
+def test_monthly_stats_empty():
+    result = monthly_stats([])
+    assert result == {"median_daily_min": 0, "median_weekly_min": 0}
+
+
+def test_monthly_stats_median_daily_odd():
+    # 420, 465, 510 → médiane = 465
+    entries = [
+        _entry(date(2025, 1, 6), ("9:00", "16:00")),   # 420 min
+        _entry(date(2025, 1, 7), ("9:00", "16:45")),   # 465 min
+        _entry(date(2025, 1, 8), ("9:00", "17:30")),   # 510 min
+    ]
+    result = monthly_stats(entries)
+    assert result["median_daily_min"] == 465
+
+
+def test_monthly_stats_includes_absences():
+    # 0, 465 → médiane de 2 valeurs = (0+465)/2 = 232 (int)
+    entries = [
+        _absence(date(2025, 1, 6)),
+        _entry(date(2025, 1, 7), ("9:00", "16:45")),
+    ]
+    result = monthly_stats(entries)
+    assert result["median_daily_min"] == 232
+
+
+def test_monthly_stats_median_weekly():
+    # Semaine 1 : 465+465 = 930 min
+    # Semaine 2 : 420 min
+    # médiane([930, 420]) = (420+930)/2 = 675
+    entries = [
+        _entry(date(2025, 1, 6), ("9:00", "16:45")),  # sem 2
+        _entry(date(2025, 1, 7), ("9:00", "16:45")),  # sem 2
+        _entry(date(2025, 1, 13), ("9:00", "16:00")), # sem 3
+    ]
+    result = monthly_stats(entries)
+    assert result["median_weekly_min"] == 675
+
+
 def test_count_day_types_single_type():
     entries = [
         WorkEntry(date=date(2025, 2, 1), day_type="RTT"),