Fiat endpoint implementation with fixes

pro/v1/coinmarketcap.go

@@ -13,6 +13,7 @@ import (
 type Client struct {
 	proAPIKey      string
 	Cryptocurrency *CryptocurrencyService
+	Fiat           *FiatService
 	Exchange       *ExchangeService
 	GlobalMetrics  *GlobalMetricsService
 	Tools          *ToolsService
@@ -27,6 +28,9 @@ type Config struct {
 // CryptocurrencyService ...
 type CryptocurrencyService service
 
+// FiatService ...
+type FiatService service
+
 // ExchangeService ...
 type ExchangeService service
 
@@ -68,15 +72,30 @@ type Listing struct {
 }
 
 // MapListing is the structure of a map listing
+type Platform struct {
+	ID           int    `json:"id"`
+	Name         string `json:"name"`
+	Symbol       string `json:"symbol"`
+	Slug         string `json:"slug"`
+	TokenAddress string `json:"token_address"`
+}
 type MapListing struct {
-	ID                  float64 `json:"id"`
-	Name                string  `json:"name"`
-	Symbol              string  `json:"symbol"`
-	Slug                string  `json:"slug"`
-	IsActive            int     `json:"is_active"`
-	FirstHistoricalData string  `json:"first_historical_data"`
-	LastHistoricalData  string  `json:"last_historical_data"`
-	Platform            *string
+	ID                  float64  `json:"id"`
+	Name                string   `json:"name"`
+	Symbol              string   `json:"symbol"`
+	Slug                string   `json:"slug"`
+	IsActive            int      `json:"is_active"`
+	FirstHistoricalData string   `json:"first_historical_data"`
+	LastHistoricalData  string   `json:"last_historical_data"`
+	Platform            Platform `json:"platform"`
+}
+
+// FiatMapListing is the structure of a fiat map listing
+type FiatMapListing struct {
+	ID     float64 `json:"id"`
+	Name   string  `json:"name"`
+	Sign   string  `json:"sign"`
+	Symbol string  `json:"symbol"`
 }
 
 // ConvertListing is the converted listing structure
@@ -175,6 +194,13 @@ type MapOptions struct {
 	Symbol        string
 }
 
+// FiatMapOptions options
+type FiatMapOptions struct {
+	Start         int
+	Limit         int
+	IncludeMetals bool
+}
+
 // QuoteOptions options
 type QuoteOptions struct {
 	// Covert suppots multiple currencies command separated. eg. "BRL,USD"
@@ -185,11 +211,12 @@ type QuoteOptions struct {
 
 // ConvertOptions options
 type ConvertOptions struct {
-	Amount  float64
-	ID      string
-	Symbol  string
-	Time    int
-	Convert string
+	Amount    float64
+	ID        string
+	Symbol    string
+	Time      int
+	Convert   string
+	ConvertID string
 }
 
 // MarketPairOptions options
@@ -254,6 +281,7 @@ func NewClient(cfg *Config) *Client {
 
 	c.common.client = c
 	c.Cryptocurrency = (*CryptocurrencyService)(&c.common)
+	c.Fiat = (*FiatService)(&c.common)
 	c.Exchange = (*ExchangeService)(&c.common)
 	c.GlobalMetrics = (*GlobalMetricsService)(&c.common)
 	c.Tools = (*ToolsService)(&c.common)
@@ -415,6 +443,58 @@ func (s *CryptocurrencyService) Map(options *MapOptions) ([]*MapListing, error)
 	return result, nil
 }
 
+// Map returns a paginated list of all cryptocurrencies by CoinMarketCap ID.
+func (s *FiatService) Map(options *FiatMapOptions) ([]*FiatMapListing, error) {
+	var params []string
+	if options == nil {
+		options = new(FiatMapOptions)
+	}
+
+	if options.Start != 0 {
+		params = append(params, fmt.Sprintf("start=%d", options.Start))
+	}
+
+	if options.Limit != 0 {
+		params = append(params, fmt.Sprintf("limit=%d", options.Limit))
+	}
+
+	if options.IncludeMetals {
+		params = append(params, "include_metals=true")
+	}
+
+	url := fmt.Sprintf("%s/fiat/map?%s", baseURL, strings.Join(params, "&"))
+
+	body, err := s.client.makeReq(url)
+	resp := new(Response)
+	err = json.Unmarshal(body, &resp)
+	if err != nil {
+		return nil, fmt.Errorf("JSON Error: [%s]. Response body: [%s]", err.Error(), string(body))
+	}
+
+	var result []*FiatMapListing
+	ifcs, ok := resp.Data.(interface{})
+	if !ok {
+		return nil, ErrTypeAssertion
+	}
+
+	for _, item := range ifcs.([]interface{}) {
+		value := new(FiatMapListing)
+		b, err := json.Marshal(item)
+		if err != nil {
+			return nil, err
+		}
+
+		err = json.Unmarshal(b, value)
+		if err != nil {
+			return nil, err
+		}
+
+		result = append(result, value)
+	}
+
+	return result, nil
+}
+
 // Exchange ...
 type Exchange struct {
 	ID   int    `json:"id"`
@@ -702,6 +782,8 @@ func (s *ToolsService) PriceConversion(options *ConvertOptions) (*ConvertListing
 
 	if options.Convert != "" {
 		params = append(params, fmt.Sprintf("convert=%s", options.Convert))
+	} else if options.ConvertID != "" {
+		params = append(params, fmt.Sprintf("convert_id=%s", options.ConvertID))
 	}
 
 	url := fmt.Sprintf("%s/tools/price-conversion?%s", baseURL, strings.Join(params, "&"))