schmidt.florian
d972f67bad
Infrastructure-free normalization engine in Core dispatching on MeterMode: - Cumulative/Generation counters: register deltas, first-reading baseline (Haus 411, Auto 3755), meter swaps (water …861→2 reconciles to 12 via boundary registers OR an explicit amount override), counter resets, anomaly-guarded decreases. - RuntimeCounter: Δhours × rate (fixed/empirical). - ConsumableBalance: tank level-Δ + deliveries → consumption, cm→litre calibration; delivery-only rows before the first dipstick emit nothing. - DirectDelta, and Virtual meters via a small safe arithmetic evaluator (Netz Einsparung = Haus − Netz, Eigenverbrauch = Erzeugung − Einsparung) — data-driven, not hardcoded. - DatabaseSeeder: default energy types, cost categories, base settings (idempotent). 24 Core unit tests + 4 integration tests green. Claude-Session: https://claude.ai/code/session_01WujdMtMJPbxDpDnMeK22rr
62 lines
2.7 KiB
C#
62 lines
2.7 KiB
C#
using MeterVault.Core.Domain;
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using Microsoft.EntityFrameworkCore;
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namespace MeterVault.Infrastructure.Persistence;
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/// <summary>
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/// Seeds sensible defaults (energy types, cost categories, base settings) on first run.
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/// Idempotent — safe to call after every migration. Nothing here is hardcoded into the domain;
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/// these are just starter rows the user can edit or delete (SDD FR-1).
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/// </summary>
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public static class DatabaseSeeder
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{
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public static async Task SeedAsync(MeterVaultDbContext db, CancellationToken cancellationToken = default)
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{
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ArgumentNullException.ThrowIfNull(db);
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if (!await db.EnergyTypes.AnyAsync(cancellationToken).ConfigureAwait(false))
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{
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db.EnergyTypes.AddRange(DefaultEnergyTypes());
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}
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if (!await db.CostCategories.AnyAsync(cancellationToken).ConfigureAwait(false))
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{
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db.CostCategories.AddRange(DefaultCostCategories());
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}
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foreach (var (key, value) in DefaultSettings())
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{
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if (!await db.AppSettings.AnyAsync(s => s.Key == key, cancellationToken).ConfigureAwait(false))
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{
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db.AppSettings.Add(new AppSetting { Key = key, Value = value });
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}
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}
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await db.SaveChangesAsync(cancellationToken).ConfigureAwait(false);
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}
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private static IEnumerable<EnergyType> DefaultEnergyTypes() =>
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[
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new() { Key = "electricity", DisplayName = "Strom", BaseUnit = "kWh", DefaultMode = MeterMode.CumulativeCounter, Icon = "bolt", ColorHex = "#F6C445" },
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new() { Key = "water", DisplayName = "Wasser", BaseUnit = "m3", DefaultMode = MeterMode.CumulativeCounter, Icon = "water_drop", ColorHex = "#3B82F6" },
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new() { Key = "heating_oil", DisplayName = "Heizöl", BaseUnit = "L", DefaultMode = MeterMode.ConsumableBalance, Icon = "local_gas_station", ColorHex = "#B45309" },
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new() { Key = "gas", DisplayName = "Gas", BaseUnit = "kWh", DefaultMode = MeterMode.CumulativeCounter, Icon = "gas_meter", ColorHex = "#EF4444" },
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new() { Key = "district_heat", DisplayName = "Fernwärme", BaseUnit = "kWh", DefaultMode = MeterMode.CumulativeCounter, Icon = "thermostat", ColorHex = "#F97316" },
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];
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private static IEnumerable<CostCategory> DefaultCostCategories() =>
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[
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new() { Name = "Heizung", ColorHex = "#B45309", Sort = 0 },
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new() { Name = "Strom", ColorHex = "#F6C445", Sort = 1 },
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new() { Name = "Wasser", ColorHex = "#3B82F6", Sort = 2 },
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new() { Name = "Pool Betrieb", ColorHex = "#14B8A6", Sort = 3 },
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];
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private static IEnumerable<(string Key, string Value)> DefaultSettings() =>
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[
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("currency", "\"EUR\""),
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("locale", "\"en\""),
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("timezone", "\"Europe/Berlin\""),
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];
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}
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