feat: excluir transações de extrato + delete em lote por mês

Remove restrição que bloqueava delete de transações importadas.
Adiciona DELETE /transactions?month=YYYY-MM para exclusão em lote
e botão "EXCLUIR MÊS" na view de transações.

Co-Authored-By: Claude Sonnet 4.6 <[email protected]>

apps/api/cmd/server/main.go

@@ -101,6 +101,7 @@ func main() {
 		r.Post("/transactions", txHandler.Create)
 		r.Put("/transactions/{id}", txHandler.Update)
 		r.Delete("/transactions/{id}", txHandler.Delete)
+		r.Delete("/transactions", txHandler.DeleteByMonth)
 
 		r.Get("/recurring", recurringHandler.List)
 		r.Post("/recurring", recurringHandler.Create)

apps/api/internal/handler/transaction.go

@@ -60,7 +60,7 @@ func (h *TransactionHandler) Update(w http.ResponseWriter, r *http.Request) {
 	}
 	t.ID = id
 	out, err := h.svc.Update(r.Context(), t)
-	if errors.Is(err, repository.ErrNotFound) || errors.Is(err, service.ErrCannotEditImported) {
+	if errors.Is(err, repository.ErrNotFound) {
 		respondError(w, http.StatusNotFound, err.Error())
 		return
 	}
@@ -83,3 +83,17 @@ func (h *TransactionHandler) Delete(w http.ResponseWriter, r *http.Request) {
 	}
 	w.WriteHeader(http.StatusNoContent)
 }
+
+func (h *TransactionHandler) DeleteByMonth(w http.ResponseWriter, r *http.Request) {
+	month := r.URL.Query().Get("month")
+	if len(month) != 7 {
+		respondError(w, http.StatusBadRequest, "month required (YYYY-MM)")
+		return
+	}
+	count, err := h.svc.DeleteByMonth(r.Context(), month)
+	if err != nil {
+		respondError(w, http.StatusInternalServerError, err.Error())
+		return
+	}
+	respondJSON(w, http.StatusOK, map[string]int{"deleted": count})
+}

apps/api/internal/repository/transaction_manual.go

@@ -16,6 +16,7 @@ type ManualTransactionRepository interface {
 	Create(ctx context.Context, t model.Transaction) (*model.Transaction, error)
 	Update(ctx context.Context, t model.Transaction) (*model.Transaction, error)
 	Delete(ctx context.Context, id int) error
+	DeleteByMonth(ctx context.Context, month string) (int, error)
 	// HasMatchingTransaction checks if a category has a transaction of the given type in the given month.
 	HasMatchingTransaction(ctx context.Context, categoryID *int, month string, amount float64, txType string) (bool, error)
 }
@@ -93,7 +94,7 @@ func (r *manualTxRepo) Update(ctx context.Context, t model.Transaction) (*model.
 }
 
 func (r *manualTxRepo) Delete(ctx context.Context, id int) error {
-	tag, err := r.db.Exec(ctx, `DELETE FROM transactions WHERE id = $1 AND source = 'manual'`, id)
+	tag, err := r.db.Exec(ctx, `DELETE FROM transactions WHERE id = $1`, id)
 	if err != nil {
 		return err
 	}
@@ -103,6 +104,14 @@ func (r *manualTxRepo) Delete(ctx context.Context, id int) error {
 	return nil
 }
 
+func (r *manualTxRepo) DeleteByMonth(ctx context.Context, month string) (int, error) {
+	tag, err := r.db.Exec(ctx, `DELETE FROM transactions WHERE TO_CHAR(date, 'YYYY-MM') = $1`, month)
+	if err != nil {
+		return 0, err
+	}
+	return int(tag.RowsAffected()), nil
+}
+
 func (r *manualTxRepo) HasMatchingTransaction(ctx context.Context, categoryID *int, month string, amount float64, txType string) (bool, error) {
 	if categoryID == nil {
 		// No category set — cannot auto-match, always report as uncovered

apps/api/internal/service/transaction.go

@@ -11,7 +11,6 @@ import (
 
 var (
 	ErrInvalidTransactionType   = errors.New("type must be 'income' or 'expense'")
-	ErrCannotEditImported       = errors.New("imported transactions cannot be edited or deleted")
 	ErrTransactionEmptyDesc     = errors.New("description is required")
 	ErrTransactionInvalidAmount = errors.New("amount must be greater than zero")
 )
@@ -55,11 +54,15 @@ func (s *TransactionService) Update(ctx context.Context, t model.Transaction) (*
 func (s *TransactionService) Delete(ctx context.Context, id int) error {
 	err := s.repo.Delete(ctx, id)
 	if errors.Is(err, repository.ErrNotFound) {
-		return ErrCannotEditImported
+		return errors.New("transaction not found")
 	}
 	return err
 }
 
+func (s *TransactionService) DeleteByMonth(ctx context.Context, month string) (int, error) {
+	return s.repo.DeleteByMonth(ctx, month)
+}
+
 func validateTransaction(t model.Transaction) error {
 	if strings.TrimSpace(t.Description) == "" {
 		return ErrTransactionEmptyDesc

apps/web/src/stores/transactions.ts

@@ -60,5 +60,12 @@ export const useTransactionsStore = defineStore('transactions', () => {
     transactions.value = transactions.value.filter((x) => x.id !== id)
   }
 
-  return { transactions, loading, error, fetchAll, create, update, remove }
+  async function removeByMonth(month: string) {
+    await api.delete(`/transactions?month=${month}`)
+    transactions.value = transactions.value.filter(
+      (x) => x.date.slice(0, 7) !== month,
+    )
+  }
+
+  return { transactions, loading, error, fetchAll, create, update, remove, removeByMonth }
 })

apps/web/src/views/TransactionsView.vue

@@ -73,6 +73,12 @@ async function remove(id: number) {
   try { await store.remove(id) } catch (e: any) { alert(e.message) }
 }
 
+async function removeMonth() {
+  const label = monthLabel(currentMonth.value)
+  if (!confirm(`Excluir TODAS as transações de ${label}?`)) return
+  try { await store.removeByMonth(currentMonth.value) } catch (e: any) { alert(e.message) }
+}
+
 function fmt(v: number) {
   return v.toLocaleString('pt-BR', { style: 'currency', currency: 'BRL' })
 }
@@ -98,6 +104,11 @@ function monthLabel(ym: string) {
         @prev="changeMonth(-1)"
         @next="changeMonth(1)"
       />
+      <button
+        v-if="store.transactions.length > 0"
+        class="fc-btn fc-btn--sm fc-btn--danger"
+        @click="removeMonth"
+      >EXCLUIR MÊS</button>
     </div>
 
     <!-- Form -->