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implement distruction api
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commit
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@ -57,6 +57,30 @@ type StockManager struct {
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PendingSells StockSlice
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}
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type Distribution struct {
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Quantities map[int]float64 `json:"quantities"`
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Stocks map[int]StockSlice `json:"stocks"`
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}
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func (m *StockManager) Distribution(level int) *Distribution {
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var d = Distribution{
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Quantities: map[int]float64{},
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Stocks: map[int]StockSlice{},
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}
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for _, stock := range m.Stocks {
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n := math.Ceil(math.Log10(stock.Price))
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digits := int(n - math.Max(float64(level), 1.0))
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div := math.Pow10(digits)
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priceLevel := int(math.Floor(stock.Price / div) * div)
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d.Stocks[priceLevel] = append(d.Stocks[priceLevel], stock)
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d.Quantities[priceLevel] += stock.Quantity
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}
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return &d
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}
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func (m *StockManager) stock(stock Stock) error {
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m.mu.Lock()
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m.Stocks = append(m.Stocks, stock)
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