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feat: payment methods
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juancwu 2026-02-13 21:55:10 +00:00
commit 3de76916c9
15 changed files with 946 additions and 100 deletions
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105
internal/service/expense.go
View file

@ -10,24 +10,26 @@ import (
)
type CreateExpenseDTO struct {
SpaceID string
UserID string
Description string
Amount int
Type model.ExpenseType
Date time.Time
TagIDs []string
ItemIDs []string
SpaceID string
UserID string
Description string
Amount int
Type model.ExpenseType
Date time.Time
TagIDs []string
ItemIDs []string
PaymentMethodID *string
}
type UpdateExpenseDTO struct {
ID string
SpaceID string
Description string
Amount int
Type model.ExpenseType
Date time.Time
TagIDs []string
ID string
SpaceID string
Description string
Amount int
Type model.ExpenseType
Date time.Time
TagIDs []string
PaymentMethodID *string
}
const ExpensesPerPage = 25
@ -52,15 +54,16 @@ func (s *ExpenseService) CreateExpense(dto CreateExpenseDTO) (*model.Expense, er
now := time.Now()
expense := &model.Expense{
ID: uuid.NewString(),
SpaceID: dto.SpaceID,
CreatedBy: dto.UserID,
Description: dto.Description,
AmountCents: dto.Amount,
Type: dto.Type,
Date: dto.Date,
CreatedAt: now,
UpdatedAt: now,
ID: uuid.NewString(),
SpaceID: dto.SpaceID,
CreatedBy: dto.UserID,
Description: dto.Description,
AmountCents: dto.Amount,
Type: dto.Type,
Date: dto.Date,
PaymentMethodID: dto.PaymentMethodID,
CreatedAt: now,
UpdatedAt: now,
}
err := s.expenseRepo.Create(expense, dto.TagIDs, dto.ItemIDs)
@ -166,6 +169,59 @@ func (s *ExpenseService) GetExpensesWithTagsForSpacePaginated(spaceID string, pa
return result, totalPages, nil
}
func (s *ExpenseService) GetExpensesWithTagsAndMethodsForSpacePaginated(spaceID string, page int) ([]*model.ExpenseWithTagsAndMethod, int, error) {
total, err := s.expenseRepo.CountBySpaceID(spaceID)
if err != nil {
return nil, 0, err
}
totalPages := (total + ExpensesPerPage - 1) / ExpensesPerPage
if totalPages < 1 {
totalPages = 1
}
if page < 1 {
page = 1
}
if page > totalPages {
page = totalPages
}
offset := (page - 1) * ExpensesPerPage
expenses, err := s.expenseRepo.GetBySpaceIDPaginated(spaceID, ExpensesPerPage, offset)
if err != nil {
return nil, 0, err
}
ids := make([]string, len(expenses))
for i, e := range expenses {
ids[i] = e.ID
}
tagsMap, err := s.expenseRepo.GetTagsByExpenseIDs(ids)
if err != nil {
return nil, 0, err
}
methodsMap, err := s.expenseRepo.GetPaymentMethodsByExpenseIDs(ids)
if err != nil {
return nil, 0, err
}
result := make([]*model.ExpenseWithTagsAndMethod, len(expenses))
for i, e := range expenses {
result[i] = &model.ExpenseWithTagsAndMethod{
Expense: *e,
Tags: tagsMap[e.ID],
PaymentMethod: methodsMap[e.ID],
}
}
return result, totalPages, nil
}
func (s *ExpenseService) GetPaymentMethodsByExpenseIDs(expenseIDs []string) (map[string]*model.PaymentMethod, error) {
return s.expenseRepo.GetPaymentMethodsByExpenseIDs(expenseIDs)
}
func (s *ExpenseService) GetExpense(id string) (*model.Expense, error) {
return s.expenseRepo.GetByID(id)
}
@ -191,6 +247,7 @@ func (s *ExpenseService) UpdateExpense(dto UpdateExpenseDTO) (*model.Expense, er
existing.AmountCents = dto.Amount
existing.Type = dto.Type
existing.Date = dto.Date
existing.PaymentMethodID = dto.PaymentMethodID
existing.UpdatedAt = time.Now()
if err := s.expenseRepo.Update(existing, dto.TagIDs); err != nil {

109
internal/service/payment_method.go Normal file
View file

@ -0,0 +1,109 @@
package service
import (
"fmt"
"strings"
"time"
"git.juancwu.dev/juancwu/budgit/internal/model"
"git.juancwu.dev/juancwu/budgit/internal/repository"
"github.com/google/uuid"
)
type CreatePaymentMethodDTO struct {
SpaceID string
Name string
Type model.PaymentMethodType
LastFour string
CreatedBy string
}
type UpdatePaymentMethodDTO struct {
ID string
Name string
Type model.PaymentMethodType
LastFour string
}
type PaymentMethodService struct {
methodRepo repository.PaymentMethodRepository
}
func NewPaymentMethodService(methodRepo repository.PaymentMethodRepository) *PaymentMethodService {
return &PaymentMethodService{
methodRepo: methodRepo,
}
}
func (s *PaymentMethodService) CreateMethod(dto CreatePaymentMethodDTO) (*model.PaymentMethod, error) {
name := strings.TrimSpace(dto.Name)
if name == "" {
return nil, fmt.Errorf("payment method name cannot be empty")
}
if dto.Type != model.PaymentMethodTypeCredit && dto.Type != model.PaymentMethodTypeDebit {
return nil, fmt.Errorf("invalid payment method type")
}
if len(dto.LastFour) != 4 {
return nil, fmt.Errorf("last four digits must be exactly 4 characters")
}
now := time.Now()
method := &model.PaymentMethod{
ID: uuid.NewString(),
SpaceID: dto.SpaceID,
Name: name,
Type: dto.Type,
LastFour: &dto.LastFour,
CreatedBy: dto.CreatedBy,
CreatedAt: now,
UpdatedAt: now,
}
err := s.methodRepo.Create(method)
if err != nil {
return nil, err
}
return method, nil
}
func (s *PaymentMethodService) GetMethodsForSpace(spaceID string) ([]*model.PaymentMethod, error) {
return s.methodRepo.GetBySpaceID(spaceID)
}
func (s *PaymentMethodService) GetMethod(id string) (*model.PaymentMethod, error) {
return s.methodRepo.GetByID(id)
}
func (s *PaymentMethodService) UpdateMethod(dto UpdatePaymentMethodDTO) (*model.PaymentMethod, error) {
name := strings.TrimSpace(dto.Name)
if name == "" {
return nil, fmt.Errorf("payment method name cannot be empty")
}
if dto.Type != model.PaymentMethodTypeCredit && dto.Type != model.PaymentMethodTypeDebit {
return nil, fmt.Errorf("invalid payment method type")
}
if len(dto.LastFour) != 4 {
return nil, fmt.Errorf("last four digits must be exactly 4 characters")
}
method, err := s.methodRepo.GetByID(dto.ID)
if err != nil {
return nil, err
}
method.Name = name
method.Type = dto.Type
method.LastFour = &dto.LastFour
err = s.methodRepo.Update(method)
if err != nil {
return nil, err
}
return method, nil
}
func (s *PaymentMethodService) DeleteMethod(id string) error {
return s.methodRepo.Delete(id)
}