38 lines
1.0 KiB
Nim
38 lines
1.0 KiB
Nim
import ../statemachine
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import ./submitted
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import ./started
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import ./cancelled
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import ./finished
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import ./failed
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import ./error
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type PurchaseUnknown* = ref object of PurchaseState
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method enterAsync(state: PurchaseUnknown) {.async.} =
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without purchase =? (state.context as Purchase):
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raiseAssert "invalid state"
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try:
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if (request =? await purchase.market.getRequest(purchase.requestId)) and
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(requestState =? await purchase.market.getState(purchase.requestId)):
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purchase.request = some request
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case requestState
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of RequestState.New:
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state.switch(PurchaseSubmitted())
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of RequestState.Started:
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state.switch(PurchaseStarted())
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of RequestState.Cancelled:
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state.switch(PurchaseCancelled())
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of RequestState.Finished:
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state.switch(PurchaseFinished())
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of RequestState.Failed:
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state.switch(PurchaseFailed())
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except CatchableError as error:
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state.switch(PurchaseErrored(error: error))
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method description*(state: PurchaseUnknown): string =
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"unknown"
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