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131 lines
3.0 KiB
Go
131 lines
3.0 KiB
Go
package cointop
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import (
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"sync"
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"time"
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types "github.com/miguelmota/cointop/cointop/common/api/types"
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"github.com/miguelmota/cointop/cointop/common/filecache"
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)
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var coinslock sync.Mutex
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var updatecoinsmux sync.Mutex
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func (ct *Cointop) updateCoins() error {
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coinslock.Lock()
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defer coinslock.Unlock()
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cachekey := ct.cacheKey("allcoinsslugmap")
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var err error
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var allcoinsslugmap map[string]types.Coin
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cached, found := ct.cache.Get(cachekey)
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_ = cached
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if found {
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// cache hit
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allcoinsslugmap, _ = cached.(map[string]types.Coin)
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ct.debuglog("soft cache hit")
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}
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// cache miss
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if allcoinsslugmap == nil {
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ct.debuglog("cache miss")
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ch := make(chan []types.Coin)
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err = ct.api.GetAllCoinData(ct.currencyconversion, ch)
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if err != nil {
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return err
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}
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for coins := range ch {
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go ct.processCoins(coins)
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}
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} else {
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ct.processCoinsMap(allcoinsslugmap)
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}
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return nil
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}
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func (ct *Cointop) processCoinsMap(coinsMap map[string]types.Coin) {
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var coins []types.Coin
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for _, v := range coinsMap {
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coins = append(coins, v)
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}
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ct.processCoins(coins)
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}
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func (ct *Cointop) processCoins(coins []types.Coin) {
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updatecoinsmux.Lock()
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defer updatecoinsmux.Unlock()
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cachekey := ct.cacheKey("allcoinsslugmap")
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ct.cache.Set(cachekey, ct.allcoinsslugmap, 10*time.Second)
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filecache.Set(cachekey, ct.allcoinsslugmap, 24*time.Hour)
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for _, v := range coins {
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k := v.Name
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last := ct.allcoinsslugmap[k]
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ct.allcoinsslugmap[k] = &Coin{
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ID: v.ID,
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Name: v.Name,
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Symbol: v.Symbol,
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Rank: v.Rank,
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Price: v.Price,
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Volume24H: v.Volume24H,
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MarketCap: v.MarketCap,
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AvailableSupply: v.AvailableSupply,
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TotalSupply: v.TotalSupply,
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PercentChange1H: v.PercentChange1H,
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PercentChange24H: v.PercentChange24H,
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PercentChange7D: v.PercentChange7D,
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LastUpdated: v.LastUpdated,
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}
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if last != nil {
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ct.allcoinsslugmap[k].Favorite = last.Favorite
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}
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}
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if len(ct.allcoins) < len(ct.allcoinsslugmap) {
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list := []*Coin{}
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for _, v := range coins {
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k := v.Name
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coin := ct.allcoinsslugmap[k]
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list = append(list, coin)
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}
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ct.allcoins = append(ct.allcoins, list...)
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} else {
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// update list in place without changing order
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for i := range ct.allcoinsslugmap {
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cm := ct.allcoinsslugmap[i]
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for k := range ct.allcoins {
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c := ct.allcoins[k]
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if c.ID == cm.ID {
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// TODO: improve this
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c.ID = cm.ID
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c.Name = cm.Name
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c.Symbol = cm.Symbol
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c.Rank = cm.Rank
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c.Price = cm.Price
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c.Volume24H = cm.Volume24H
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c.MarketCap = cm.MarketCap
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c.AvailableSupply = cm.AvailableSupply
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c.TotalSupply = cm.TotalSupply
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c.PercentChange1H = cm.PercentChange1H
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c.PercentChange24H = cm.PercentChange24H
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c.PercentChange7D = cm.PercentChange7D
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c.LastUpdated = cm.LastUpdated
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c.Favorite = cm.Favorite
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}
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}
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}
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}
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time.AfterFunc(10*time.Millisecond, func() {
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ct.sort(ct.sortby, ct.sortdesc, ct.coins, true)
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ct.updateTable()
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})
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}
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func (ct *Cointop) getListCount() int {
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return len(ct.allCoins())
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}
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