MaysWind
54 lines
1.6 KiB
Go
54 lines
1.6 KiB
Go
package api
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import (
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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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// StatisticApi represents statistic api
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type StatisticApi struct {
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transactions *services.TransactionService
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}
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// Initialize an statistic api singleton instance
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var (
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Statistics = &StatisticApi{
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transactions: services.Transactions,
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}
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)
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// TransactionStatisticsHandler returns transaction statistics of current user
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func (a *StatisticApi) TransactionStatisticsHandler(c *core.Context) (interface{}, *errs.Error) {
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var statisticReq models.TransactionStatisticRequest
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err := c.ShouldBindQuery(&statisticReq)
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if err != nil {
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log.WarnfWithRequestId(c, "[statistics.TransactionOverviewHandler] 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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totalAmounts, err := a.transactions.GetAccountsAndCategoriesTotalIncomeAndExpense(uid, statisticReq.StartTime, statisticReq.EndTime)
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statisticResp := &models.TransactionStatisticResponse{
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StartTime: statisticReq.StartTime,
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EndTime: statisticReq.EndTime,
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}
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statisticResp.Items = make([]*models.TransactionStatisticResponseItem, len(totalAmounts))
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for i := 0; i < len(totalAmounts); i++ {
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totalAmountItem := totalAmounts[i]
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statisticResp.Items[i] = &models.TransactionStatisticResponseItem{
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CategoryId: totalAmountItem.CategoryId,
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AccountId: totalAmountItem.AccountId,
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TotalAmount: totalAmountItem.Amount,
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}
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}
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return statisticResp, nil
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}
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