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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19
internal/repository/loan.go
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@ -7,6 +7,7 @@ import (
"git.juancwu.dev/juancwu/budgit/internal/model"
"github.com/jmoiron/sqlx"
"github.com/shopspring/decimal"
)
var (
@ -22,7 +23,7 @@ type LoanRepository interface {
Update(loan *model.Loan) error
Delete(id string) error
SetPaidOff(id string, paidOff bool) error
GetTotalPaidForLoan(loanID string) (int, error)
GetTotalPaidForLoan(loanID string) (decimal.Decimal, error)
GetReceiptCountForLoan(loanID string) (int, error)
}
@ -35,9 +36,9 @@ func NewLoanRepository(db *sqlx.DB) LoanRepository {
}
func (r *loanRepository) Create(loan *model.Loan) error {
query := `INSERT INTO loans (id, space_id, name, description, original_amount_cents, interest_rate_bps, start_date, end_date, is_paid_off, created_by, created_at, updated_at)
VALUES ($1, $2, $3, $4, $5, $6, $7, $8, $9, $10, $11, $12);`
_, err := r.db.Exec(query, loan.ID, loan.SpaceID, loan.Name, loan.Description, loan.OriginalAmountCents, loan.InterestRateBps, loan.StartDate, loan.EndDate, loan.IsPaidOff, loan.CreatedBy, loan.CreatedAt, loan.UpdatedAt)
query := `INSERT INTO loans (id, space_id, name, description, original_amount, interest_rate_bps, start_date, end_date, is_paid_off, created_by, created_at, updated_at, original_amount_cents)
VALUES ($1, $2, $3, $4, $5, $6, $7, $8, $9, $10, $11, $12, 0);`
_, err := r.db.Exec(query, loan.ID, loan.SpaceID, loan.Name, loan.Description, loan.OriginalAmount, loan.InterestRateBps, loan.StartDate, loan.EndDate, loan.IsPaidOff, loan.CreatedBy, loan.CreatedAt, loan.UpdatedAt)
return err
}
@ -72,8 +73,8 @@ func (r *loanRepository) CountBySpaceID(spaceID string) (int, error) {
}
func (r *loanRepository) Update(loan *model.Loan) error {
query := `UPDATE loans SET name = $1, description = $2, original_amount_cents = $3, interest_rate_bps = $4, start_date = $5, end_date = $6, updated_at = $7 WHERE id = $8;`
result, err := r.db.Exec(query, loan.Name, loan.Description, loan.OriginalAmountCents, loan.InterestRateBps, loan.StartDate, loan.EndDate, loan.UpdatedAt, loan.ID)
query := `UPDATE loans SET name = $1, description = $2, original_amount = $3, interest_rate_bps = $4, start_date = $5, end_date = $6, updated_at = $7 WHERE id = $8;`
result, err := r.db.Exec(query, loan.Name, loan.Description, loan.OriginalAmount, loan.InterestRateBps, loan.StartDate, loan.EndDate, loan.UpdatedAt, loan.ID)
if err != nil {
return err
}
@ -94,9 +95,9 @@ func (r *loanRepository) SetPaidOff(id string, paidOff bool) error {
return err
}
func (r *loanRepository) GetTotalPaidForLoan(loanID string) (int, error) {
var total int
err := r.db.Get(&total, `SELECT COALESCE(SUM(total_amount_cents), 0) FROM receipts WHERE loan_id = $1;`, loanID)
func (r *loanRepository) GetTotalPaidForLoan(loanID string) (decimal.Decimal, error) {
var total decimal.Decimal
err := r.db.Get(&total, `SELECT COALESCE(SUM(CAST(total_amount AS DECIMAL)), 0) FROM receipts WHERE loan_id = $1;`, loanID)
return total, err
}