budgit/internal/repository/receipt.go

327 lines
11 KiB
Go

package repository
import (
"database/sql"
"errors"
"git.juancwu.dev/juancwu/budgit/internal/model"
"github.com/jmoiron/sqlx"
"github.com/shopspring/decimal"
)
var (
ErrReceiptNotFound = errors.New("receipt not found")
)
type ReceiptRepository interface {
CreateWithSources(
receipt *model.Receipt,
sources []model.ReceiptFundingSource,
balanceExpense *model.Expense,
accountTransfers []*model.AccountTransfer,
) error
GetByID(id string) (*model.Receipt, error)
GetByLoanIDPaginated(loanID string, limit, offset int) ([]*model.Receipt, error)
CountByLoanID(loanID string) (int, error)
GetBySpaceIDPaginated(spaceID string, limit, offset int) ([]*model.Receipt, error)
CountBySpaceID(spaceID string) (int, error)
GetFundingSourcesByReceiptID(receiptID string) ([]model.ReceiptFundingSource, error)
GetFundingSourcesWithAccountsByReceiptIDs(receiptIDs []string) (map[string][]model.ReceiptFundingSourceWithAccount, error)
DeleteWithReversal(receiptID string) error
UpdateWithSources(
receipt *model.Receipt,
sources []model.ReceiptFundingSource,
balanceExpense *model.Expense,
accountTransfers []*model.AccountTransfer,
) error
}
type receiptRepository struct {
db *sqlx.DB
}
func NewReceiptRepository(db *sqlx.DB) ReceiptRepository {
return &receiptRepository{db: db}
}
func (r *receiptRepository) CreateWithSources(
receipt *model.Receipt,
sources []model.ReceiptFundingSource,
balanceExpense *model.Expense,
accountTransfers []*model.AccountTransfer,
) error {
tx, err := r.db.Beginx()
if err != nil {
return err
}
defer tx.Rollback()
// Insert receipt
_, err = tx.Exec(
`INSERT INTO receipts (id, loan_id, space_id, description, total_amount, date, recurring_receipt_id, created_by, created_at, updated_at, total_amount_cents)
VALUES ($1, $2, $3, $4, $5, $6, $7, $8, $9, $10, 0);`,
receipt.ID, receipt.LoanID, receipt.SpaceID, receipt.Description, receipt.TotalAmount, receipt.Date, receipt.RecurringReceiptID, receipt.CreatedBy, receipt.CreatedAt, receipt.UpdatedAt,
)
if err != nil {
return err
}
// Insert balance expense if present
if balanceExpense != nil {
_, err = tx.Exec(
`INSERT INTO expenses (id, space_id, created_by, description, amount, type, date, payment_method_id, recurring_expense_id, created_at, updated_at, amount_cents)
VALUES ($1, $2, $3, $4, $5, $6, $7, $8, $9, $10, $11, 0);`,
balanceExpense.ID, balanceExpense.SpaceID, balanceExpense.CreatedBy, balanceExpense.Description, balanceExpense.Amount, balanceExpense.Type, balanceExpense.Date, balanceExpense.PaymentMethodID, balanceExpense.RecurringExpenseID, balanceExpense.CreatedAt, balanceExpense.UpdatedAt,
)
if err != nil {
return err
}
}
// Insert account transfers
for _, transfer := range accountTransfers {
_, err = tx.Exec(
`INSERT INTO account_transfers (id, account_id, amount, direction, note, recurring_deposit_id, created_by, created_at, amount_cents)
VALUES ($1, $2, $3, $4, $5, $6, $7, $8, 0);`,
transfer.ID, transfer.AccountID, transfer.Amount, transfer.Direction, transfer.Note, transfer.RecurringDepositID, transfer.CreatedBy, transfer.CreatedAt,
)
if err != nil {
return err
}
}
// Insert funding sources
for _, src := range sources {
_, err = tx.Exec(
`INSERT INTO receipt_funding_sources (id, receipt_id, source_type, account_id, amount, linked_expense_id, linked_transfer_id, amount_cents)
Values ($1, $2, $3, $4, $5, $6, $7, 0);`,
src.ID, src.ReceiptID, src.SourceType, src.AccountID, src.Amount, src.LinkedExpenseID, src.LinkedTransferID,
)
if err != nil {
return err
}
}
return tx.Commit()
}
func (r *receiptRepository) GetByID(id string) (*model.Receipt, error) {
receipt := &model.Receipt{}
query := `SELECT * FROM receipts WHERE id = $1;`
err := r.db.Get(receipt, query, id)
if err == sql.ErrNoRows {
return nil, ErrReceiptNotFound
}
return receipt, err
}
func (r *receiptRepository) GetByLoanIDPaginated(loanID string, limit, offset int) ([]*model.Receipt, error) {
var receipts []*model.Receipt
query := `SELECT * FROM receipts WHERE loan_id = $1 ORDER BY date DESC, created_at DESC LIMIT $2 OFFSET $3;`
err := r.db.Select(&receipts, query, loanID, limit, offset)
return receipts, err
}
func (r *receiptRepository) CountByLoanID(loanID string) (int, error) {
var count int
err := r.db.Get(&count, `SELECT COUNT(*) FROM receipts WHERE loan_id = $1;`, loanID)
return count, err
}
func (r *receiptRepository) GetBySpaceIDPaginated(spaceID string, limit, offset int) ([]*model.Receipt, error) {
var receipts []*model.Receipt
query := `SELECT * FROM receipts WHERE space_id = $1 ORDER BY date DESC, created_at DESC LIMIT $2 OFFSET $3;`
err := r.db.Select(&receipts, query, spaceID, limit, offset)
return receipts, err
}
func (r *receiptRepository) CountBySpaceID(spaceID string) (int, error) {
var count int
err := r.db.Get(&count, `SELECT COUNT(*) FROM receipts WHERE space_id = $1;`, spaceID)
return count, err
}
func (r *receiptRepository) GetFundingSourcesByReceiptID(receiptID string) ([]model.ReceiptFundingSource, error) {
var sources []model.ReceiptFundingSource
query := `SELECT * FROM receipt_funding_sources WHERE receipt_id = $1;`
err := r.db.Select(&sources, query, receiptID)
return sources, err
}
func (r *receiptRepository) GetFundingSourcesWithAccountsByReceiptIDs(receiptIDs []string) (map[string][]model.ReceiptFundingSourceWithAccount, error) {
if len(receiptIDs) == 0 {
return make(map[string][]model.ReceiptFundingSourceWithAccount), nil
}
type row struct {
ID string `db:"id"`
ReceiptID string `db:"receipt_id"`
SourceType model.FundingSourceType `db:"source_type"`
AccountID *string `db:"account_id"`
Amount decimal.Decimal `db:"amount"`
LinkedExpenseID *string `db:"linked_expense_id"`
LinkedTransferID *string `db:"linked_transfer_id"`
AccountName *string `db:"account_name"`
}
query, args, err := sqlx.In(`
SELECT rfs.id, rfs.receipt_id, rfs.source_type, rfs.account_id, rfs.amount,
rfs.linked_expense_id, rfs.linked_transfer_id,
ma.name AS account_name
FROM receipt_funding_sources rfs
LEFT JOIN money_accounts ma ON rfs.account_id = ma.id
WHERE rfs.receipt_id IN (?)
ORDER BY rfs.source_type ASC;
`, receiptIDs)
if err != nil {
return nil, err
}
query = r.db.Rebind(query)
var rows []row
if err := r.db.Select(&rows, query, args...); err != nil {
return nil, err
}
result := make(map[string][]model.ReceiptFundingSourceWithAccount)
for _, rw := range rows {
accountName := ""
if rw.AccountName != nil {
accountName = *rw.AccountName
}
result[rw.ReceiptID] = append(result[rw.ReceiptID], model.ReceiptFundingSourceWithAccount{
ReceiptFundingSource: model.ReceiptFundingSource{
ID: rw.ID,
ReceiptID: rw.ReceiptID,
SourceType: rw.SourceType,
AccountID: rw.AccountID,
Amount: rw.Amount,
LinkedExpenseID: rw.LinkedExpenseID,
LinkedTransferID: rw.LinkedTransferID,
},
AccountName: accountName,
})
}
return result, nil
}
func (r *receiptRepository) DeleteWithReversal(receiptID string) error {
tx, err := r.db.Beginx()
if err != nil {
return err
}
defer tx.Rollback()
// Get all funding sources for this receipt
var sources []model.ReceiptFundingSource
if err := tx.Select(&sources, `SELECT * FROM receipt_funding_sources WHERE receipt_id = $1;`, receiptID); err != nil {
return err
}
// Delete linked expenses and transfers
for _, src := range sources {
if src.LinkedExpenseID != nil {
if _, err := tx.Exec(`DELETE FROM expenses WHERE id = $1;`, *src.LinkedExpenseID); err != nil {
return err
}
}
if src.LinkedTransferID != nil {
if _, err := tx.Exec(`DELETE FROM account_transfers WHERE id = $1;`, *src.LinkedTransferID); err != nil {
return err
}
}
}
// Delete funding sources (cascade would handle this, but be explicit)
if _, err := tx.Exec(`DELETE FROM receipt_funding_sources WHERE receipt_id = $1;`, receiptID); err != nil {
return err
}
// Delete the receipt
if _, err := tx.Exec(`DELETE FROM receipts WHERE id = $1;`, receiptID); err != nil {
return err
}
return tx.Commit()
}
func (r *receiptRepository) UpdateWithSources(
receipt *model.Receipt,
sources []model.ReceiptFundingSource,
balanceExpense *model.Expense,
accountTransfers []*model.AccountTransfer,
) error {
tx, err := r.db.Beginx()
if err != nil {
return err
}
defer tx.Rollback()
// Delete old linked records
var oldSources []model.ReceiptFundingSource
if err := tx.Select(&oldSources, `SELECT * FROM receipt_funding_sources WHERE receipt_id = $1;`, receipt.ID); err != nil {
return err
}
for _, src := range oldSources {
if src.LinkedExpenseID != nil {
if _, err := tx.Exec(`DELETE FROM expenses WHERE id = $1;`, *src.LinkedExpenseID); err != nil {
return err
}
}
if src.LinkedTransferID != nil {
if _, err := tx.Exec(`DELETE FROM account_transfers WHERE id = $1;`, *src.LinkedTransferID); err != nil {
return err
}
}
}
if _, err := tx.Exec(`DELETE FROM receipt_funding_sources WHERE receipt_id = $1;`, receipt.ID); err != nil {
return err
}
// Update receipt
_, err = tx.Exec(
`UPDATE receipts SET description = $1, total_amount = $2, date = $3, updated_at = $4 WHERE id = $5;`,
receipt.Description, receipt.TotalAmount, receipt.Date, receipt.UpdatedAt, receipt.ID,
)
if err != nil {
return err
}
// Insert new balance expense
if balanceExpense != nil {
_, err = tx.Exec(
`INSERT INTO expenses (id, space_id, created_by, description, amount, type, date, payment_method_id, recurring_expense_id, created_at, updated_at, amount_cents)
VALUES ($1, $2, $3, $4, $5, $6, $7, $8, $9, $10, $11, 0);`,
balanceExpense.ID, balanceExpense.SpaceID, balanceExpense.CreatedBy, balanceExpense.Description, balanceExpense.Amount, balanceExpense.Type, balanceExpense.Date, balanceExpense.PaymentMethodID, balanceExpense.RecurringExpenseID, balanceExpense.CreatedAt, balanceExpense.UpdatedAt,
)
if err != nil {
return err
}
}
// Insert new account transfers
for _, transfer := range accountTransfers {
_, err = tx.Exec(
`INSERT INTO account_transfers (id, account_id, amount, direction, note, recurring_deposit_id, created_by, created_at, amount_cents)
VALUES ($1, $2, $3, $4, $5, $6, $7, $8, 0);`,
transfer.ID, transfer.AccountID, transfer.Amount, transfer.Direction, transfer.Note, transfer.RecurringDepositID, transfer.CreatedBy, transfer.CreatedAt,
)
if err != nil {
return err
}
}
// Insert new funding sources
for _, src := range sources {
_, err = tx.Exec(
`INSERT INTO receipt_funding_sources (id, receipt_id, source_type, account_id, amount, linked_expense_id, linked_transfer_id, amount_cents)
Values ($1, $2, $3, $4, $5, $6, $7, 0);`,
src.ID, src.ReceiptID, src.SourceType, src.AccountID, src.Amount, src.LinkedExpenseID, src.LinkedTransferID,
)
if err != nil {
return err
}
}
return tx.Commit()
}