FJurmanovic/wallet-go-api
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added subscriptions calc to wallet header

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This commit is contained in:
Fran Jurmanović
2021-06-18 22:07:30 +02:00
parent 150339628e
commit 356b93daa8
1 changed files with 73 additions and 11 deletions
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84
pkg/services/wallets.go
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@@ -44,19 +44,37 @@ func (as *WalletService) GetHeader(am *models.Auth, embed string, walletId strin
var wallets []models.WalletTransactions
var wg sync.WaitGroup
transactions := new([]models.Transaction)
subscriptions := new([]models.Subscription)
query := as.Db.Model(transactions).Relation("Wallet").Where("wallet.? = ?", pg.Ident("user_id"), am.Id).Relation("TransactionType")
wg.Add(1)
go func() {
defer wg.Done()
query := as.Db.Model(transactions).Relation("Wallet").Where("wallet.? = ?", pg.Ident("user_id"), am.Id).Relation("TransactionType")
if walletId != "" {
query.Where("? = ?", pg.Ident("wallet_id"), walletId)
}
query.Select()
}()
wg.Add(1)
go func() {
defer wg.Done()
query2 := as.Db.Model(subscriptions).Relation("Wallet").Where("wallet.? = ?", pg.Ident("user_id"), am.Id).Relation("TransactionType").Relation("SubscriptionType")
if walletId != "" {
query2.Where("? = ?", pg.Ident("wallet_id"), walletId)
}
query2.Select()
}()
if walletId != "" {
query.Where("? = ?", pg.Ident("wallet_id"), walletId)
}
query.Select()
wg.Wait()
currentBalance := 0
lastMonthBalance := 0
nextMonth := 0
subCurrentBalance := 0
subLastMonthBalance := 0
subNextMonth := 0
now := time.Now()
currentYear, currentMonth, _ := now.Date()
@@ -70,11 +88,11 @@ func (as *WalletService) GetHeader(am *models.Auth, embed string, walletId strin
addWhere(&wallets, trans.WalletID, trans)
}
for range wallets {
for _, wallet := range wallets {
wg.Add(1)
go func() {
defer wg.Done()
for _, trans := range *transactions {
for _, trans := range wallet.Transactions {
if trans.TransactionDate.Before(firstOfNextMonth) && trans.TransactionDate.After(firstOfMonth) {
if trans.TransactionType.Type == "expense" {
currentBalance -= trans.Amount
@@ -98,11 +116,55 @@ func (as *WalletService) GetHeader(am *models.Auth, embed string, walletId strin
}()
}
for _, sub := range *subscriptions {
wg.Add(1)
go func() {
defer wg.Done()
startDate := sub.StartDate
now := time.Now()
for startDate.Before(now) {
if startDate.Before(firstOfNextMonth) && startDate.After(firstOfMonth) {
if sub.TransactionType.Type == "expense" {
subCurrentBalance -= sub.Amount
} else {
subCurrentBalance += sub.Amount
}
} else if startDate.Before(firstOfMonthAfterNext) && startDate.After(firstOfNextMonth) {
if sub.TransactionType.Type == "expense" {
subNextMonth -= sub.Amount
} else {
subNextMonth += sub.Amount
}
} else if startDate.Before(firstOfMonth) {
if sub.TransactionType.Type == "expense" {
subLastMonthBalance -= sub.Amount
} else {
subLastMonthBalance += sub.Amount
}
}
if sub.SubscriptionType.Type == "monthly" {
startDate = startDate.AddDate(0, sub.CustomRange, 0)
} else if sub.SubscriptionType.Type == "weekly" {
startDate = startDate.AddDate(0, 0, 7*sub.CustomRange)
} else if sub.SubscriptionType.Type == "daily" {
startDate = startDate.AddDate(0, 0, sub.CustomRange)
} else {
startDate = startDate.AddDate(sub.CustomRange, 0, 0)
}
}
}()
}
wg.Wait()
wm.LastMonth = lastMonthBalance
wm.CurrentBalance = currentBalance + lastMonthBalance
wm.NextMonth = currentBalance + nextMonth
combinedCurrent := currentBalance + subCurrentBalance
combinedLast := lastMonthBalance + subLastMonthBalance
combinedNext := nextMonth + subNextMonth
wm.LastMonth = combinedLast
wm.CurrentBalance = combinedCurrent + combinedLast
wm.NextMonth = combinedLast + combinedCurrent + combinedNext
wm.Currency = "USD"
wm.WalletId = walletId