juancwu/budgit
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chore: replace int amount_cents for string storage and decimal pkg

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juancwu 2026-03-14 14:43:39 -04:00
commit c8a1eb5b7a
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45 changed files with 706 additions and 587 deletions
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39
internal/service/budget.go
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@ -7,12 +7,13 @@ import (
"git.juancwu.dev/juancwu/budgit/internal/model"
"git.juancwu.dev/juancwu/budgit/internal/repository"
"github.com/google/uuid"
"github.com/shopspring/decimal"
)
type CreateBudgetDTO struct {
SpaceID string
TagIDs []string
Amount int
Amount decimal.Decimal
Period model.BudgetPeriod
StartDate time.Time
EndDate *time.Time
@ -22,7 +23,7 @@ type CreateBudgetDTO struct {
type UpdateBudgetDTO struct {
ID string
TagIDs []string
Amount int
Amount decimal.Decimal
Period model.BudgetPeriod
StartDate time.Time
EndDate *time.Time
@ -37,7 +38,7 @@ func NewBudgetService(budgetRepo repository.BudgetRepository) *BudgetService {
}
func (s *BudgetService) CreateBudget(dto CreateBudgetDTO) (*model.Budget, error) {
if dto.Amount <= 0 {
if dto.Amount.LessThanOrEqual(decimal.Zero) {
return nil, fmt.Errorf("budget amount must be positive")
}
@ -47,16 +48,16 @@ func (s *BudgetService) CreateBudget(dto CreateBudgetDTO) (*model.Budget, error)
now := time.Now()
budget := &model.Budget{
ID: uuid.NewString(),
SpaceID: dto.SpaceID,
AmountCents: dto.Amount,
Period: dto.Period,
StartDate: dto.StartDate,
EndDate: dto.EndDate,
IsActive: true,
CreatedBy: dto.CreatedBy,
CreatedAt: now,
UpdatedAt: now,
ID: uuid.NewString(),
SpaceID: dto.SpaceID,
Amount: dto.Amount,
Period: dto.Period,
StartDate: dto.StartDate,
EndDate: dto.EndDate,
IsActive: true,
CreatedBy: dto.CreatedBy,
CreatedAt: now,
UpdatedAt: now,
}
if err := s.budgetRepo.Create(budget, dto.TagIDs); err != nil {
@ -99,12 +100,12 @@ func (s *BudgetService) GetBudgetsWithSpent(spaceID string) ([]*model.BudgetWith
start, end := GetCurrentPeriodBounds(b.Period, time.Now())
spent, err := s.budgetRepo.GetSpentForBudget(spaceID, tagIDs, start, end)
if err != nil {
spent = 0
spent = decimal.Zero
}
var percentage float64
if b.AmountCents > 0 {
percentage = float64(spent) / float64(b.AmountCents) * 100
if b.Amount.GreaterThan(decimal.Zero) {
percentage, _ = spent.Div(b.Amount).Mul(decimal.NewFromInt(100)).Float64()
}
var status model.BudgetStatus
@ -120,7 +121,7 @@ func (s *BudgetService) GetBudgetsWithSpent(spaceID string) ([]*model.BudgetWith
bws := &model.BudgetWithSpent{
Budget: *b,
Tags: tags,
SpentCents: spent,
Spent: spent,
Percentage: percentage,
Status: status,
}
@ -131,7 +132,7 @@ func (s *BudgetService) GetBudgetsWithSpent(spaceID string) ([]*model.BudgetWith
}
func (s *BudgetService) UpdateBudget(dto UpdateBudgetDTO) (*model.Budget, error) {
if dto.Amount <= 0 {
if dto.Amount.LessThanOrEqual(decimal.Zero) {
return nil, fmt.Errorf("budget amount must be positive")
}
@ -144,7 +145,7 @@ func (s *BudgetService) UpdateBudget(dto UpdateBudgetDTO) (*model.Budget, error)
return nil, err
}
existing.AmountCents = dto.Amount
existing.Amount = dto.Amount
existing.Period = dto.Period
existing.StartDate = dto.StartDate
existing.EndDate = dto.EndDate