feat: recurring expenses and reports

internal/model/recurring_expense.go

@@ -0,0 +1,41 @@
+package model
+
+import "time"
+
+type Frequency string
+
+const (
+	FrequencyDaily    Frequency = "daily"
+	FrequencyWeekly   Frequency = "weekly"
+	FrequencyBiweekly Frequency = "biweekly"
+	FrequencyMonthly  Frequency = "monthly"
+	FrequencyYearly   Frequency = "yearly"
+)
+
+type RecurringExpense struct {
+	ID              string      `db:"id"`
+	SpaceID         string      `db:"space_id"`
+	CreatedBy       string      `db:"created_by"`
+	Description     string      `db:"description"`
+	AmountCents     int         `db:"amount_cents"`
+	Type            ExpenseType `db:"type"`
+	PaymentMethodID *string     `db:"payment_method_id"`
+	Frequency       Frequency   `db:"frequency"`
+	StartDate       time.Time   `db:"start_date"`
+	EndDate         *time.Time  `db:"end_date"`
+	NextOccurrence  time.Time   `db:"next_occurrence"`
+	IsActive        bool        `db:"is_active"`
+	CreatedAt       time.Time   `db:"created_at"`
+	UpdatedAt       time.Time   `db:"updated_at"`
+}
+
+type RecurringExpenseWithTags struct {
+	RecurringExpense
+	Tags []*Tag
+}
+
+type RecurringExpenseWithTagsAndMethod struct {
+	RecurringExpense
+	Tags          []*Tag
+	PaymentMethod *PaymentMethod
+}