Store slug field then use for coin link

cointop/list.go

@@ -8,8 +8,10 @@ import (
 	log "github.com/sirupsen/logrus"
 )
 
-var coinslock sync.Mutex
-var updatecoinsmux sync.Mutex
+var (
+	coinslock      sync.Mutex
+	updatecoinsmux sync.Mutex
+)
 
 // UpdateCoins updates coins view
 func (ct *Cointop) UpdateCoins() error {
@@ -110,6 +112,7 @@ func (ct *Cointop) processCoins(coins []types.Coin) {
 			PercentChange30D: v.PercentChange30D,
 			PercentChange1Y:  v.PercentChange1Y,
 			LastUpdated:      v.LastUpdated,
+			Slug:             v.Slug,
 		})
 		if ilast != nil {
 			last, _ := ilast.(*Coin)

cointop/table.go

@@ -197,7 +197,7 @@ func (ct *Cointop) RowLink() string {
 		return ""
 	}
 
-	return ct.api.CoinLink(coin.Name)
+	return ct.api.CoinLink(coin.Slug)
 }
 
 // RowLinkShort returns a shortened version of the row url link

pkg/api/impl/coingecko/coingecko.go

@@ -267,15 +267,13 @@ func (s *Service) Price(name string, convert string) (float64, error) {
 	return 0, ErrNotFound
 }
 
-// CoinLink returns the URL link for the coin
-func (s *Service) CoinLink(name string) string {
-	ID := s.coinNameToID(name)
-	return fmt.Sprintf("https://www.coingecko.com/en/coins/%s", ID)
+func (s *Service) CoinLink(slug string) string {
+	// slug is API ID of coin
+	return fmt.Sprintf("https://www.coingecko.com/en/coins/%s", slug)
 }
 
 // SupportedCurrencies returns a list of supported currencies
 func (s *Service) SupportedCurrencies() []string {
-
 	// keep these in alphabetical order
 	return []string{
 		"AED",
@@ -462,6 +460,7 @@ func (s *Service) getPaginatedCoinData(convert string, offset int, names []strin
 				PercentChange1Y:  util.FormatPercentChange(percentChange1Y),
 				Volume24H:        util.FormatVolume(item.TotalVolume),
 				LastUpdated:      util.FormatLastUpdated(item.LastUpdated),
+				Slug:             item.ID,
 			})
 		}
 	}

pkg/api/impl/coinmarketcap/coinmarketcap.go

@@ -90,6 +90,7 @@ func (s *Service) getPaginatedCoinData(convert string, offset int) ([]apitypes.C
 			PercentChange7D:  util.FormatPercentChange(quote.PercentChange7D),
 			Volume24H:        util.FormatVolume(v.Quote[convert].Volume24H),
 			LastUpdated:      util.FormatLastUpdated(v.LastUpdated),
+			Slug:             util.FormatSlug(v.Slug),
 		})
 	}
 	return ret, nil
@@ -297,7 +298,6 @@ func (s *Service) GetGlobalMarketData(convert string) (apitypes.GlobalMarketData
 	market, err := s.client.GlobalMetrics.LatestQuotes(&cmc.QuoteOptions{
 		Convert: convert,
 	})
-
 	if err != nil {
 		return ret, err
 	}
@@ -332,8 +332,7 @@ func (s *Service) Price(name string, convert string) (float64, error) {
 }
 
 // CoinLink returns the URL link for the coin
-func (s *Service) CoinLink(name string) string {
-	slug := util.NameToSlug(name)
+func (s *Service) CoinLink(slug string) string {
 	return fmt.Sprintf("https://coinmarketcap.com/currencies/%s", slug)
 }
 

pkg/api/interface.go

@@ -13,7 +13,7 @@ type Interface interface {
 	GetGlobalMarketData(convert string) (types.GlobalMarketData, error)
 	GetCoinData(name string, convert string) (types.Coin, error)
 	GetCoinDataBatch(names []string, convert string) ([]types.Coin, error)
-	CoinLink(name string) string
+	CoinLink(slug string) string
 	SupportedCurrencies() []string
 	Price(name string, convert string) (float64, error)
 	GetExchangeRate(convertFrom, convertTo string, cached bool) (float64, error) // I don't love this caching

pkg/api/types/types.go

@@ -17,6 +17,8 @@ type Coin struct {
 	PercentChange30D float64 `json:"percentChange30D"`
 	PercentChange1Y  float64 `json:"percentChange1Y"`
 	LastUpdated      string  `json:"lastUpdated"`
+	// Slug uses to access the coin's info web page
+	Slug string `json:"slug"`
 }
 
 // GlobalMarketData struct

pkg/api/util/util.go

@@ -29,6 +29,10 @@ func FormatName(name string) string {
 	return name
 }
 
+func FormatSlug(slug string) string {
+	return slug
+}
+
 // FormatRank formats the rank value
 func FormatRank(rank interface{}) int {
 	switch v := rank.(type) {