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Added cryptocurrency/fiat currency variables to event handler, paving way for multi-currency event handling.

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This commit is contained in:
Adrian Gallagher
2015-05-17 16:56:52 +10:00
parent 931bcbfb34
commit e328d59f2e
1 changed files with 23 additions and 14 deletions
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37
events.go
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@@ -19,25 +19,28 @@ const (
)
var (
ErrInvalidItem = errors.New("Invalid item.")
ErrInvalidCondition = errors.New("Invalid conditional option.")
ErrInvalidAction = errors.New("Invalid action.")
ErrExchangeDisabled = errors.New("Desired exchange is disabled.")
ErrInvalidItem = errors.New("Invalid item.")
ErrInvalidCondition = errors.New("Invalid conditional option.")
ErrInvalidAction = errors.New("Invalid action.")
ErrExchangeDisabled = errors.New("Desired exchange is disabled.")
ErrFiatCurrencyInvalid = errors.New("Invalid fiat currency.")
)
type Event struct {
ID int
Exchange string
Item string
Condition string
Action string
Executed bool
ID int
Exchange string
Item string
Condition string
CryptoCurrency string
FiatCurrency string
Action string
Executed bool
}
var Events []*Event
func AddEvent(Exchange, Item, Condition, Action string) (int, error) {
err := IsValidEvent(Exchange, Item, Condition, Action)
func AddEvent(Exchange, Item, Condition, CryptoCurrency, FiatCurrency, Action string) (int, error) {
err := IsValidEvent(Exchange, Item, Condition, CryptoCurrency, FiatCurrency, Action)
if err != nil {
return 0, err
@@ -54,6 +57,8 @@ func AddEvent(Exchange, Item, Condition, Action string) (int, error) {
Event.Exchange = Exchange
Event.Item = Item
Event.Condition = Condition
Event.CryptoCurrency = CryptoCurrency
Event.FiatCurrency = FiatCurrency
Event.Action = Action
Event.Executed = false
Events = append(Events, Event)
@@ -101,7 +106,7 @@ func (e *Event) ExecuteAction() bool {
func (e *Event) EventToString() string {
condition := SplitStrings(e.Condition, ",")
return fmt.Sprintf("If the %s on %s is %s then %s.", e.Item, e.Exchange, condition[0]+" "+condition[1], e.Action)
return fmt.Sprintf("If the %s%s %s on %s is %s then %s.", e.CryptoCurrency, e.FiatCurrency, e.Item, e.Exchange, condition[0]+" "+condition[1], e.Action)
}
func (e *Event) CheckCondition() bool {
@@ -178,7 +183,7 @@ func (e *Event) CheckCondition() bool {
return false
}
func IsValidEvent(Exchange, Item, Condition, Action string) error {
func IsValidEvent(Exchange, Item, Condition, CryptoCurrency, FiatCurrency, Action string) error {
if !IsValidExchange(Exchange) {
return ErrExchangeDisabled
}
@@ -187,6 +192,10 @@ func IsValidEvent(Exchange, Item, Condition, Action string) error {
return ErrInvalidItem
}
if !IsFiatCurrency(FiatCurrency) {
return ErrFiatCurrencyInvalid
}
if !StringContains(Condition, ",") {
return ErrInvalidCondition
}