add transaction basic api
This commit is contained in:
MaysWind
@@ -0,0 +1,235 @@
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package api
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import (
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"sort"
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"github.com/mayswind/lab/pkg/core"
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"github.com/mayswind/lab/pkg/errs"
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"github.com/mayswind/lab/pkg/log"
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"github.com/mayswind/lab/pkg/models"
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"github.com/mayswind/lab/pkg/services"
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)
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type TransactionsApi struct {
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transactions *services.TransactionService
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}
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var (
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Transactions = &TransactionsApi{
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transactions: services.Transactions,
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}
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)
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func (a *TransactionsApi) TransactionListHandler(c *core.Context) (interface{}, *errs.Error) {
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var transactionListReq models.TransactionListByMaxTimeRequest
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err := c.ShouldBindQuery(&transactionListReq)
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if err != nil {
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log.WarnfWithRequestId(c, "[transactions.TransactionListHandler] parse request failed, because %s", err.Error())
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return nil, errs.NewIncompleteOrIncorrectSubmissionError(err)
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}
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uid := c.GetCurrentUid()
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transactions, err := a.transactions.GetTransactionsByMaxTime(uid, transactionListReq.MaxTime, transactionListReq.Count + 1)
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if err != nil {
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log.ErrorfWithRequestId(c, "[transactions.TransactionListHandler] failed to get transactions earlier than \"%d\" for user \"uid:%d\", because %s", transactionListReq.MaxTime, uid, err.Error())
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return nil, errs.ErrOperationFailed
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}
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finalCount := transactionListReq.Count
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if len(transactions) < finalCount {
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finalCount = len(transactions)
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}
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transactionResps := &models.TransactionInfoPageWrapperResponse{}
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transactionResps.Items = make(models.TransactionInfoResponseSlice, finalCount)
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for i := 0; i < finalCount; i++ {
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transactionResps.Items[i] = transactions[i].ToTransactionInfoResponse(nil)
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}
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sort.Sort(transactionResps.Items)
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if finalCount < len(transactions) {
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transactionResps.NextTime = &transactions[finalCount].TransactionTime
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}
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return transactionResps, nil
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}
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func (a *TransactionsApi) TransactionMonthListHandler(c *core.Context) (interface{}, *errs.Error) {
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var transactionListReq models.TransactionListInMonthByPageRequest
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err := c.ShouldBindQuery(&transactionListReq)
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if err != nil {
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log.WarnfWithRequestId(c, "[transactions.TransactionMonthListHandler] parse request failed, because %s", err.Error())
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return nil, errs.NewIncompleteOrIncorrectSubmissionError(err)
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}
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uid := c.GetCurrentUid()
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transactions, err := a.transactions.GetTransactionsInMonthByPage(uid, transactionListReq.Year, transactionListReq.Month, transactionListReq.Page, transactionListReq.Count)
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if err != nil {
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log.ErrorfWithRequestId(c, "[transactions.TransactionMonthListHandler] failed to get transactions in month \"%d-%d\" for user \"uid:%d\", because %s", transactionListReq.Year, transactionListReq.Month, uid, err.Error())
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return nil, errs.ErrOperationFailed
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}
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transactionResps := make([]*models.TransactionInfoResponse, len(transactions))
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for i := 0; i < len(transactions); i++ {
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transactionResps[i] = transactions[i].ToTransactionInfoResponse(nil)
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}
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return transactionResps, nil
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}
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func (a *TransactionsApi) TransactionGetHandler(c *core.Context) (interface{}, *errs.Error) {
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var transactionGetReq models.TransactionGetRequest
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err := c.ShouldBindQuery(&transactionGetReq)
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if err != nil {
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log.WarnfWithRequestId(c, "[transactions.TransactionGetHandler] parse request failed, because %s", err.Error())
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return nil, errs.NewIncompleteOrIncorrectSubmissionError(err)
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}
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uid := c.GetCurrentUid()
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transaction, err := a.transactions.GetTransactionByTransactionId(uid, transactionGetReq.Id)
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if err != nil {
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log.ErrorfWithRequestId(c, "[transactions.TransactionGetHandler] failed to get transaction \"id:%d\" for user \"uid:%d\", because %s", transactionGetReq.Id, uid, err.Error())
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return nil, errs.ErrOperationFailed
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}
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transactionResp := transaction.ToTransactionInfoResponse(nil)
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return transactionResp, nil
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}
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func (a *TransactionsApi) TransactionCreateHandler(c *core.Context) (interface{}, *errs.Error) {
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var transactionCreateReq models.TransactionCreateRequest
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err := c.ShouldBindJSON(&transactionCreateReq)
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if err != nil {
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log.WarnfWithRequestId(c, "[transactions.TransactionCreateHandler] parse request failed, because %s", err.Error())
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return nil, errs.NewIncompleteOrIncorrectSubmissionError(err)
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}
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if transactionCreateReq.Type < models.TRANSACTION_TYPE_MODIFY_BALANCE || transactionCreateReq.Type > models.TRANSACTION_TYPE_TRANSFER {
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log.WarnfWithRequestId(c, "[transactions.TransactionCreateHandler] transaction type is invalid")
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return nil, errs.ErrTransactionTypeInvalid
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}
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if transactionCreateReq.Type == models.TRANSACTION_TYPE_MODIFY_BALANCE && transactionCreateReq.CategoryId > 0 {
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return nil, errs.ErrBalanceModificationTransactionCannotSetCategory
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}
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if transactionCreateReq.Type != models.TRANSACTION_TYPE_TRANSFER && transactionCreateReq.SourceAccountId != transactionCreateReq.DestinationAccountId {
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return nil, errs.ErrTransactionSourceAndDestinationIdNotEqual
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} else if transactionCreateReq.Type != models.TRANSACTION_TYPE_TRANSFER && transactionCreateReq.SourceAmount != transactionCreateReq.DestinationAmount {
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return nil, errs.ErrTransactionSourceAndDestinationAmountNotEqual
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}
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uid := c.GetCurrentUid()
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transaction := a.createNewTransactionModel(uid, &transactionCreateReq)
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err = a.transactions.CreateTransaction(transaction)
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if err != nil {
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log.ErrorfWithRequestId(c, "[transactions.TransactionCreateHandler] failed to create transaction \"id:%d\" for user \"uid:%d\", because %s", transaction.TransactionId, uid, err.Error())
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return nil, errs.Or(err, errs.ErrOperationFailed)
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}
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log.InfofWithRequestId(c, "[transactions.TransactionCreateHandler] user \"uid:%d\" has created a new transaction \"id:%d\" successfully", uid, transaction.TransactionId)
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transactionResp := transaction.ToTransactionInfoResponse(nil)
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return transactionResp, nil
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}
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func (a *TransactionsApi) TransactionModifyHandler(c *core.Context) (interface{}, *errs.Error) {
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var transactionModifyReq models.TransactionModifyRequest
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err := c.ShouldBindJSON(&transactionModifyReq)
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if err != nil {
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log.WarnfWithRequestId(c, "[transactions.TransactionModifyHandler] parse request failed, because %s", err.Error())
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return nil, errs.NewIncompleteOrIncorrectSubmissionError(err)
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}
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uid := c.GetCurrentUid()
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transaction, err := a.transactions.GetTransactionByTransactionId(uid, transactionModifyReq.Id)
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if err != nil {
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log.ErrorfWithRequestId(c, "[transactions.TransactionModifyHandler] failed to get transaction \"id:%d\" for user \"uid:%d\", because %s", transactionModifyReq.Id, uid, err.Error())
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return nil, errs.ErrOperationFailed
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}
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newTransaction := &models.Transaction{
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TransactionId: transaction.TransactionId,
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Uid: uid,
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CategoryId: transactionModifyReq.CategoryId,
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TransactionTime: transactionModifyReq.Time,
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SourceAccountId: transactionModifyReq.SourceAccountId,
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DestinationAccountId: transactionModifyReq.DestinationAccountId,
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SourceAmount: transactionModifyReq.SourceAmount,
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DestinationAmount: transactionModifyReq.DestinationAmount,
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Comment: transactionModifyReq.Comment,
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}
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if newTransaction.CategoryId == transaction.CategoryId &&
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newTransaction.TransactionTime / 1000 == transaction.TransactionTime / 1000 &&
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newTransaction.SourceAccountId == transaction.SourceAccountId &&
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newTransaction.DestinationAccountId == transaction.DestinationAccountId &&
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newTransaction.SourceAmount == transaction.SourceAmount &&
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newTransaction.DestinationAmount == transaction.DestinationAmount &&
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newTransaction.Comment == transaction.Comment {
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return nil, errs.ErrNothingWillBeUpdated
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}
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err = a.transactions.ModifyTransaction(newTransaction)
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if err != nil {
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log.ErrorfWithRequestId(c, "[transactions.TransactionModifyHandler] failed to update transaction \"id:%d\" for user \"uid:%d\", because %s", transactionModifyReq.Id, uid, err.Error())
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return nil, errs.Or(err, errs.ErrOperationFailed)
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}
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log.InfofWithRequestId(c, "[transactions.TransactionModifyHandler] user \"uid:%d\" has updated transaction \"id:%d\" successfully", uid, transactionModifyReq.Id)
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return true, nil
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}
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func (a *TransactionsApi) TransactionDeleteHandler(c *core.Context) (interface{}, *errs.Error) {
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var transactionDeleteReq models.TransactionDeleteRequest
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err := c.ShouldBindJSON(&transactionDeleteReq)
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if err != nil {
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log.WarnfWithRequestId(c, "[transactions.TransactionDeleteHandler] parse request failed, because %s", err.Error())
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return nil, errs.NewIncompleteOrIncorrectSubmissionError(err)
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}
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uid := c.GetCurrentUid()
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err = a.transactions.DeleteTransaction(uid, transactionDeleteReq.Id)
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if err != nil {
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log.ErrorfWithRequestId(c, "[transactions.TransactionDeleteHandler] failed to delete transaction \"id:%d\" for user \"uid:%d\", because %s", transactionDeleteReq.Id, uid, err.Error())
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return nil, errs.Or(err, errs.ErrOperationFailed)
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}
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log.InfofWithRequestId(c, "[transactions.TransactionDeleteHandler] user \"uid:%d\" has deleted transaction \"id:%d\"", uid, transactionDeleteReq.Id)
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return true, nil
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}
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func (a *TransactionsApi) createNewTransactionModel(uid int64, transactionCreateReq *models.TransactionCreateRequest) *models.Transaction {
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return &models.Transaction{
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Uid: uid,
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Type: transactionCreateReq.Type,
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CategoryId: transactionCreateReq.CategoryId,
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TransactionTime: transactionCreateReq.Time,
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SourceAccountId: transactionCreateReq.SourceAccountId,
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DestinationAccountId: transactionCreateReq.DestinationAccountId,
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SourceAmount: transactionCreateReq.SourceAmount,
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DestinationAmount: transactionCreateReq.DestinationAmount,
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Comment: transactionCreateReq.Comment,
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}
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}
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