376 lines
19 KiB
Plaintext
376 lines
19 KiB
Plaintext
@page "/urlaub-maximizer"
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@rendermode InteractiveServer
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@attribute [Authorize]
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@inject TimetrackerService TrackerService
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@inject HolidayService HolidayService
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@inject ISnackbar Snackbar
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@inject AuthenticationStateProvider AuthStateProvider
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<PageTitle>Urlaubs-Maximizer – Timetracker</PageTitle>
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@if (_loading)
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{
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<MudStack AlignItems="AlignItems.Center" Class="mt-16" Spacing="3">
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<MudProgressCircular Color="Color.Warning" Indeterminate="true" Size="Size.Large" />
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<MudText Color="Color.Secondary">Berechne beste Urlaubskombinationen…</MudText>
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</MudStack>
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}
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else
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{
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<MudStack Spacing="3">
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@* ── Header ── *@
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<MudPaper Elevation="4" Class="pa-5 rounded-xl"
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Style="background: linear-gradient(135deg, #F57F17 0%, #E65100 100%); color:white;">
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<MudStack Row="true" AlignItems="AlignItems.Center" Justify="Justify.SpaceBetween">
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<MudIconButton Icon="@Icons.Material.Filled.ChevronLeft"
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Style="color:white" Size="Size.Large" OnClick="PrevYear" />
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<MudStack Spacing="0" AlignItems="AlignItems.Center">
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<MudStack Row="true" AlignItems="AlignItems.Center" Spacing="2">
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<MudIcon Icon="@Icons.Material.Filled.AutoAwesome" Style="color:white" />
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<MudText Typo="Typo.h5" Style="color:white; font-weight:700; letter-spacing:0.5px">
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Urlaubs-Maximizer @_year
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</MudText>
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</MudStack>
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<MudText Typo="Typo.caption" Style="color:rgba(255,255,255,0.75)">
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@_subLabel
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</MudText>
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</MudStack>
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<MudStack Row="true" AlignItems="AlignItems.Center" Spacing="0">
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@if (_year != DateTime.Today.Year)
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{
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<MudButton Variant="Variant.Text" Style="color:white"
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OnClick="GoToCurrentYear" Size="Size.Small">Heute</MudButton>
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}
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<MudIconButton Icon="@Icons.Material.Filled.ChevronRight"
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Style="color:white" Size="Size.Large" OnClick="NextYear" />
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</MudStack>
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</MudStack>
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</MudPaper>
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@* ── Info-Legende ── *@
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<MudPaper Elevation="1" Class="pa-3 rounded-xl">
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<MudStack Row="true" AlignItems="AlignItems.Center" Spacing="3" Wrap="Wrap.Wrap">
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<MudStack Row="true" AlignItems="AlignItems.Center" Spacing="1">
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<div style="width:16px;height:16px;border-radius:4px;background:#3F51B5;"></div>
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<MudText Typo="Typo.caption" Color="Color.Secondary">Urlaubstag (einzutragen)</MudText>
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</MudStack>
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<MudStack Row="true" AlignItems="AlignItems.Center" Spacing="1">
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<div style="width:16px;height:16px;border-radius:4px;background:#009688;"></div>
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<MudText Typo="Typo.caption" Color="Color.Secondary">Feiertag</MudText>
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</MudStack>
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<MudStack Row="true" AlignItems="AlignItems.Center" Spacing="1">
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<div style="width:16px;height:16px;border-radius:4px;background:#FF9800;"></div>
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<MudText Typo="Typo.caption" Color="Color.Secondary">Bereits Urlaub</MudText>
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</MudStack>
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<MudStack Row="true" AlignItems="AlignItems.Center" Spacing="1">
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<div style="width:16px;height:16px;border-radius:4px;background:#ECEFF1;border:1px solid #CFD8DC;"></div>
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<MudText Typo="Typo.caption" Color="Color.Secondary">Wochenende / Frei</MudText>
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</MudStack>
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<MudDivider Vertical="true" FlexItem="true" />
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<MudText Typo="Typo.caption" Color="Color.Secondary">
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Noch <b>@_remainingDays</b> Urlaubstage verfügbar
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</MudText>
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</MudStack>
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</MudPaper>
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@if (!_holidays.Any())
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{
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<MudAlert Severity="Severity.Info" Class="rounded-xl">
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Keine Feiertage für @_year geladen. Gehe zu
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<b>Einstellungen → Feiertage</b> und klicke „Von API laden" für optimale Vorschläge.
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</MudAlert>
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}
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@if (_remainingDays <= 0)
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{
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<MudPaper Elevation="2" Class="pa-8 rounded-xl text-center">
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<MudIcon Icon="@Icons.Material.Filled.BeachAccess"
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Style="font-size:4rem; color:#FFB74D;" Class="mb-3" />
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<MudText Typo="Typo.h6">Alle Urlaubstage sind bereits eingetragen!</MudText>
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<MudText Typo="Typo.body2" Color="Color.Secondary" Class="mt-1">
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Du hast dein Urlaubskontingent für @_year vollständig verplant.
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</MudText>
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</MudPaper>
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}
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else if (_suggestions.Count == 0)
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{
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<MudPaper Elevation="2" Class="pa-8 rounded-xl text-center">
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<MudIcon Icon="@Icons.Material.Filled.SearchOff"
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Style="font-size:4rem; color:#CFD8DC;" Class="mb-3" />
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<MudText Typo="Typo.h6" Color="Color.Secondary">Keine Vorschläge gefunden</MudText>
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<MudText Typo="Typo.body2" Color="Color.Secondary" Class="mt-1">
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Für das restliche Jahr @_year sind keine günstigen Brückentag-Kombinationen verfügbar.
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</MudText>
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</MudPaper>
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}
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else
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{
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@* ── Vorschläge gruppiert nach Urlaubstagen ── *@
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@foreach (var group in _suggestions.GroupBy(s => s.VacationDaysNeeded).OrderBy(g => g.Key))
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{
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var dayWord = group.Key == 1 ? "Urlaubstag" : "Urlaubstagen";
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var bestEff = group.Max(s => s.Efficiency);
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<MudStack Spacing="2">
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<MudStack Row="true" AlignItems="AlignItems.Center" Spacing="2">
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<MudText Typo="Typo.overline" Style="font-weight:700; letter-spacing:2px; color:#E65100;">
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MIT @group.Key.ToString().ToUpper() @dayWord.ToUpper()
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</MudText>
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<MudChip T="string" Size="Size.Small" Variant="Variant.Outlined"
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Style="color:#E65100; border-color:#E65100; height:20px; font-size:11px">
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@group.Count() Vorschlag@(group.Count() == 1 ? "" : "schläge")
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</MudChip>
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</MudStack>
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<MudGrid Spacing="3">
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@foreach (var s in group.OrderByDescending(x => x.Efficiency))
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{
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var effColor = s.Efficiency >= 4.0 ? "#4CAF50"
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: s.Efficiency >= 3.0 ? "#2196F3"
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: s.Efficiency >= 2.0 ? "#FF9800"
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: "#9E9E9E";
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var effLabel = s.Efficiency >= 4.0 ? "Jackpot"
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: s.Efficiency >= 3.0 ? "Sehr gut"
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: s.Efficiency >= 2.0 ? "Gut"
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: "OK";
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<MudItem xs="12" sm="6" lg="4">
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<MudCard Elevation="3" Class="rounded-xl h-100"
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Style="@($"border-top: 4px solid {effColor};")">
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<MudCardContent Class="pa-4">
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<MudStack Spacing="3">
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@* Titel + Badge *@
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<MudStack Row="true" AlignItems="AlignItems.Start"
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Justify="Justify.SpaceBetween">
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<MudStack Spacing="0">
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<MudText Typo="Typo.h5" Style="font-weight:800; line-height:1.1">
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@s.TotalFreeDays Tage frei
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</MudText>
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<MudText Typo="Typo.caption" Color="Color.Secondary">
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für @s.VacationDaysNeeded @dayWord
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· +@s.BonusDays Bonustage
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</MudText>
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</MudStack>
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<MudStack Spacing="0" AlignItems="AlignItems.End">
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<MudText Typo="Typo.h6"
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Style="@($"font-weight:800; color:{effColor}")">
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@s.Efficiency.ToString("0.0")×
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</MudText>
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<MudText Typo="Typo.caption"
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Style="@($"color:{effColor}; font-weight:600")">
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@effLabel
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</MudText>
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</MudStack>
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</MudStack>
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@* Datum *@
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<MudText Typo="Typo.body2" Color="Color.Secondary">
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@s.SpanStart.ToString("ddd, dd. MMM", _deCulture)
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–
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@s.SpanEnd.ToString("ddd, dd. MMM yyyy", _deCulture)
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</MudText>
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@* Tages-Kacheln *@
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<div style="display:flex; flex-wrap:wrap; gap:4px;">
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@foreach (var d in DaysInSpan(s))
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{
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var isVac = s.VacationDaysToTake.Contains(d);
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var isHol = _holidays.ContainsKey(d);
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var isTaken = _vacationSet.Contains(d);
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var bg = isVac ? "#3F51B5"
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: isHol ? "#009688"
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: isTaken ? "#FF9800"
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: "#ECEFF1";
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var fg = (isVac || isHol || isTaken) ? "white" : "#607D8B";
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var tooltip = isVac ? "Urlaubstag eintragen"
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: isHol ? (_holidays.GetValueOrDefault(d) ?? "Feiertag")
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: isTaken ? "Bereits Urlaub"
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: "Wochenende";
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<MudTooltip Text="@tooltip">
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<div style="@($"display:flex;flex-direction:column;align-items:center;justify-content:center;width:36px;height:44px;border-radius:8px;background:{bg};color:{fg};")">
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<span style="font-size:0.55rem;font-weight:700;letter-spacing:0.5px;line-height:1.2">
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@d.ToString("ddd", _deCulture).Substring(0, 2).ToUpper()
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</span>
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<span style="font-size:0.85rem;font-weight:700;line-height:1.2">
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@d.Day
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</span>
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</div>
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</MudTooltip>
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}
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</div>
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</MudStack>
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</MudCardContent>
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<MudCardActions Class="pa-3 pt-0">
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<MudButton Variant="Variant.Filled"
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StartIcon="@Icons.Material.Filled.BeachAccess"
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Style="@($"background:{effColor}; color:white;")"
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Size="Size.Small" FullWidth="true"
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OnClick="@(async () => await TakeSuggestion(s))">
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Urlaub eintragen
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</MudButton>
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</MudCardActions>
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</MudCard>
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</MudItem>
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}
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</MudGrid>
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</MudStack>
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}
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}
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</MudStack>
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}
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@code {
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private static readonly System.Globalization.CultureInfo _deCulture = new("de-DE");
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private bool _loading = true;
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private int _year = DateTime.Today.Year;
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private AppSettings _settings = new();
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private Dictionary<DateOnly, string> _holidays = [];
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private HashSet<DateOnly> _vacationSet = [];
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private int _remainingDays;
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private List<Suggestion> _suggestions = [];
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private string _subLabel = "";
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private int _userId;
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protected override async Task OnInitializedAsync()
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{
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var authState = await AuthStateProvider.GetAuthenticationStateAsync();
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var claim = authState.User.FindFirst(ClaimTypes.NameIdentifier);
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if (claim == null) return;
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_userId = int.Parse(claim.Value);
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_settings = await TrackerService.GetSettingsAsync(_userId);
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await LoadYear();
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_loading = false;
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}
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private async Task LoadYear()
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{
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var holidays = await HolidayService.GetHolidaysAsync(_year, _settings.GermanState);
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var vacations = await TrackerService.GetVacationDaysAsync(_userId, _year);
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_holidays = holidays.ToDictionary(h => h.Date, h => h.Name);
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_vacationSet = vacations.Select(v => v.Date).ToHashSet();
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_remainingDays = Math.Max(0, _settings.VacationDaysPerYear - vacations.Count);
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_suggestions = ComputeSuggestions();
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var count = _suggestions.Count;
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var bestEff = count > 0 ? _suggestions.Max(s => s.Efficiency) : 0;
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_subLabel = count == 0
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? "Keine Vorschläge verfügbar"
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: $"{count} Kombination{(count == 1 ? "" : "en")} · Beste: {bestEff:0.0}× Effizienz";
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}
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private async Task PrevYear() { _year--; await LoadYear(); }
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private async Task NextYear() { _year++; await LoadYear(); }
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private async Task GoToCurrentYear() { _year = DateTime.Today.Year; await LoadYear(); }
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private async Task TakeSuggestion(Suggestion s)
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{
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foreach (var d in s.VacationDaysToTake.Where(d => !_vacationSet.Contains(d)))
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await TrackerService.AddVacationDayAsync(new VacationDay { UserId = _userId, Date = d, Note = "Urlaubs-Maximizer" });
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await LoadYear();
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var word = s.VacationDaysNeeded == 1 ? "Urlaubstag" : "Urlaubstage";
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Snackbar.Add($"{s.VacationDaysNeeded} {word} eingetragen – {s.TotalFreeDays} Tage frei!", Severity.Success);
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}
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// ── Algorithmus ──────────────────────────────────────────────────────
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private enum DayKind { Free, WorkAvailable, WorkTaken }
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private sealed record Suggestion(
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DateOnly SpanStart,
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DateOnly SpanEnd,
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List<DateOnly> VacationDaysToTake,
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int VacationDaysNeeded,
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int TotalFreeDays,
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double Efficiency)
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{
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public int BonusDays => TotalFreeDays - VacationDaysNeeded;
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}
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private List<Suggestion> ComputeSuggestions()
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{
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var startOfYear = new DateOnly(_year, 1, 1);
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var endOfYear = new DateOnly(_year, 12, 31);
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var today = DateOnly.FromDateTime(DateTime.Today);
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int n = endOfYear.DayNumber - startOfYear.DayNumber + 1;
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// Classify each day
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var kinds = new DayKind[n];
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for (int i = 0; i < n; i++)
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{
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var d = startOfYear.AddDays(i);
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if (!_settings.IsWorkDay(d.DayOfWeek) || _holidays.ContainsKey(d))
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kinds[i] = DayKind.Free;
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else if (_vacationSet.Contains(d))
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kinds[i] = DayKind.WorkTaken;
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else
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kinds[i] = DayKind.WorkAvailable;
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}
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// Prefix sum: count of WorkAvailable days
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var psum = new int[n + 1];
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for (int i = 0; i < n; i++)
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psum[i + 1] = psum[i] + (kinds[i] == DayKind.WorkAvailable ? 1 : 0);
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int CountAvail(int a, int b) => psum[b + 1] - psum[a];
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int maxVac = Math.Min(_remainingDays, 5);
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if (maxVac <= 0) return [];
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// For each window [ws, we] of contiguous days, compute best span
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var best = new Dictionary<(int, int), Suggestion>();
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for (int ws = 0; ws < n; ws++)
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{
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if (kinds[ws] != DayKind.WorkAvailable) continue;
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for (int we = ws; we < n; we++)
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{
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int vac = CountAvail(ws, we);
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if (vac > maxVac) break;
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if (vac == 0) continue;
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// Extend span outward through non-WorkAvailable days
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int ss = ws, se = we;
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while (ss > 0 && kinds[ss - 1] != DayKind.WorkAvailable) ss--;
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while (se < n - 1 && kinds[se + 1] != DayKind.WorkAvailable) se++;
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int total = se - ss + 1;
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if (total <= vac) continue; // No bonus days → skip
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if (startOfYear.AddDays(se) < today) continue; // Fully in the past → skip
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double eff = (double)total / vac;
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var key = (ss, se);
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var vacDays = Enumerable.Range(ws, we - ws + 1)
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.Where(i => kinds[i] == DayKind.WorkAvailable)
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.Select(i => startOfYear.AddDays(i))
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.ToList();
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var sug = new Suggestion(
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startOfYear.AddDays(ss), startOfYear.AddDays(se),
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vacDays, vac, total, eff);
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if (!best.TryGetValue(key, out var existing) || vac < existing.VacationDaysNeeded)
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best[key] = sug;
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}
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}
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// Group by vac days needed, keep top 4 per group by efficiency
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return [.. best.Values
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.GroupBy(s => s.VacationDaysNeeded)
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.OrderBy(g => g.Key)
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.SelectMany(g => g
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.OrderByDescending(s => s.Efficiency)
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.ThenByDescending(s => s.TotalFreeDays)
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.Take(4))];
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}
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private static IEnumerable<DateOnly> DaysInSpan(Suggestion s)
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{
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for (var d = s.SpanStart; d <= s.SpanEnd; d = d.AddDays(1))
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yield return d;
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}
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}
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