63 lines
1.6 KiB
C#
63 lines
1.6 KiB
C#
using System.ComponentModel.DataAnnotations;
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using System.ComponentModel.DataAnnotations.Schema;
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namespace MoneyMap.Models;
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public enum BudgetPeriod
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{
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Weekly = 0,
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Monthly = 1,
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Yearly = 2
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}
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/// <summary>
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/// Represents a spending budget for a category or total spending.
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/// When Category is null, this is a "Total" budget that tracks all spending.
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/// </summary>
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public class Budget
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{
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[Key]
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public int Id { get; set; }
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/// <summary>
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/// The category this budget applies to.
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/// Null means this is a total spending budget (all categories combined).
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/// </summary>
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[MaxLength(100)]
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public string? Category { get; set; }
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/// <summary>
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/// The budget limit amount (positive value).
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/// </summary>
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[Column(TypeName = "decimal(18,2)")]
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public decimal Amount { get; set; }
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/// <summary>
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/// The time period for this budget (Weekly, Monthly, Yearly).
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/// </summary>
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public BudgetPeriod Period { get; set; } = BudgetPeriod.Monthly;
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/// <summary>
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/// When the budget becomes effective. Used to calculate period boundaries.
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/// </summary>
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public DateTime StartDate { get; set; } = DateTime.Today;
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/// <summary>
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/// Whether this budget is currently active.
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/// </summary>
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public bool IsActive { get; set; } = true;
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/// <summary>
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/// Optional notes about this budget.
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/// </summary>
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[MaxLength(500)]
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public string? Notes { get; set; }
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// Computed properties
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[NotMapped]
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public bool IsTotalBudget => Category == null;
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[NotMapped]
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public string DisplayName => Category ?? "Total Spending";
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}
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