mirror of
https://github.com/FJurmanovic/wallet-go-api.git
synced 2026-02-06 14:18:12 +00:00
122 lines
3.3 KiB
Go
122 lines
3.3 KiB
Go
package services
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import (
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"context"
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"math"
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"time"
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"wallet-api/pkg/models"
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"github.com/go-pg/pg/v10"
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)
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type SubscriptionService struct {
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Db *pg.DB
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}
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func (as *SubscriptionService) New(ctx context.Context, body *models.NewSubscriptionBody) *models.Subscription {
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db := as.Db.WithContext(ctx)
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tm := new(models.Subscription)
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amount, _ := body.Amount.Float64()
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customRange, _ := body.CustomRange.Int64()
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tm.Init()
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tm.WalletID = body.WalletID
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tm.TransactionTypeID = body.TransactionTypeID
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tm.SubscriptionTypeID = body.SubscriptionTypeID
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tm.CustomRange = int(customRange)
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tm.Description = body.Description
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tm.StartDate = body.StartDate
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tm.HasEnd = body.HasEnd
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tm.EndDate = body.EndDate
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tm.Amount = float32(math.Round(amount*100) / 100)
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if body.StartDate.IsZero() {
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tm.StartDate = time.Now()
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}
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tx, _ := db.Begin()
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defer tx.Rollback()
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tx.Model(tm).Insert()
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as.SubToTrans(tm, tx)
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tx.Commit()
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return tm
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}
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func (as *SubscriptionService) GetAll(ctx context.Context, am *models.Auth, walletId string, filtered *models.FilteredResponse) {
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db := as.Db.WithContext(ctx)
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wm := new([]models.Subscription)
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tx, _ := db.Begin()
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defer tx.Rollback()
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query := tx.Model(wm).Relation("Wallet").Where("wallet.? = ?", pg.Ident("user_id"), am.Id)
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if walletId != "" {
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query = query.Where("? = ?", pg.Ident("wallet_id"), walletId)
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}
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for _, sub := range *wm {
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if sub.HasNew() {
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as.SubToTrans(&sub, tx)
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}
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}
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FilteredResponse(query, wm, filtered)
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tx.Commit()
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}
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func (as *SubscriptionService) SubToTrans(subModel *models.Subscription, tx *pg.Tx) {
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now := time.Now()
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currentYear, currentMonth, _ := now.Date()
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currentLocation := now.Location()
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firstOfNextMonth := time.Date(currentYear, currentMonth+1, 1, 0, 0, 0, 0, currentLocation)
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//tzFirstOfNextMonth := firstOfNextMonth.In(subModel.StartDate.Location())
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startDate := subModel.StartDate
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stopDate := firstOfNextMonth
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if subModel.HasEnd && subModel.EndDate.Before(firstOfNextMonth) {
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stopDate = subModel.EndDate
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}
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transactions := new([]models.Transaction)
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if subModel.SubscriptionType == nil {
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st := new(models.SubscriptionType)
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tx.Model(st).Where("? = ?", pg.Ident("id"), subModel.SubscriptionTypeID).Select()
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subModel.SubscriptionType = st
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}
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for startDate.Before(stopDate) {
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trans := subModel.ToTrans()
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trans.TransactionDate = startDate
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if startDate.After(subModel.LastTransactionDate) && (startDate.Before(now) || startDate.Equal(now)) {
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*transactions = append(*transactions, *trans)
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}
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if subModel.SubscriptionType.Type == "monthly" {
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startDate = startDate.AddDate(0, subModel.CustomRange, 0)
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} else if subModel.SubscriptionType.Type == "weekly" {
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startDate = startDate.AddDate(0, 0, 7*subModel.CustomRange)
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} else if subModel.SubscriptionType.Type == "daily" {
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startDate = startDate.AddDate(0, 0, subModel.CustomRange)
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} else {
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startDate = startDate.AddDate(subModel.CustomRange, 0, 0)
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}
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}
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if len(*transactions) > 0 {
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for _, trans := range *transactions {
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_, err := tx.Model(&trans).Where("? = ?", pg.Ident("transaction_date"), trans.TransactionDate).Where("? = ?", pg.Ident("subscription_id"), trans.SubscriptionID).OnConflict("DO NOTHING").SelectOrInsert()
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if err != nil {
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tx.Model(subModel).Set("? = ?", pg.Ident("last_transaction_date"), trans.TransactionDate).WherePK().Update()
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}
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}
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}
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}
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