Price command flag alias

Remove top empty line

cmd/commands/price.go

@@ -1,6 +1,8 @@
 package cmd
 
 import (
+	"errors"
+
 	"github.com/miguelmota/cointop/cointop"
 	"github.com/spf13/cobra"
 )
@@ -8,14 +10,21 @@ import (
 // PriceCmd ...
 func PriceCmd() *cobra.Command {
 	var apiChoice string
+	var coin string
 	var coins []string
 	var currency string
 
 	priceCmd := &cobra.Command{
 		Use:   "price",
-		Short: "Displays the current price of a coin",
+		Short: "Displays the current price of coin(s)",
 		Long:  `The price command display the current price of a coin`,
 		RunE: func(cmd *cobra.Command, args []string) error {
+			if coin != "" {
+				if len(coins) > 0 {
+					return errors.New("flags --coin and --coins cannot be used at the same time")
+				}
+				coins = append(coins, coin)
+			}
 			return cointop.PrintPrices(&cointop.PricesConfig{
 				Coins:     coins,
 				Currency:  currency,
@@ -25,6 +34,7 @@ func PriceCmd() *cobra.Command {
 	}
 
 	priceCmd.Flags().StringSliceVarP(&coins, "coins", "c", nil, "Name or symbol of coin(s), comma separated. E.g. \"Bitcoin\" Eg. \"btc,eth,doge\"")
+	priceCmd.Flags().StringVarP(&coin, "coin", "", "", "Name or symbol of coin. Alias for --coins")
 	priceCmd.Flags().StringVarP(&currency, "currency", "f", "USD", "The currency to convert to")
 	priceCmd.Flags().StringVarP(&apiChoice, "api", "a", cointop.CoinGecko, "API choice. Available choices are \"coinmarketcap\" and \"coingecko\"")
 

cointop/layout.go

@@ -48,7 +48,7 @@ func (ct *Cointop) layout() error {
 			ct.Views.Marketbar.SetBacking(nil)
 		}
 	} else {
-		if err := ct.ui.SetView(ct.Views.Marketbar, 0, topOffset, maxX, marketbarHeight+1); err != nil {
+		if err := ct.ui.SetView(ct.Views.Marketbar, 0, topOffset-1, maxX, marketbarHeight+1); err != nil {
 			ct.Views.Marketbar.SetFrame(false)
 			ct.Views.Marketbar.SetFgColor(ct.colorscheme.gocuiFgColor(ct.Views.Marketbar.Name()))
 			ct.Views.Marketbar.SetBgColor(ct.colorscheme.gocuiBgColor(ct.Views.Marketbar.Name()))
@@ -73,7 +73,7 @@ func (ct *Cointop) layout() error {
 			ct.Views.Chart.SetBacking(nil)
 		}
 	} else {
-		if err := ct.ui.SetView(ct.Views.Chart, 0, topOffset, maxX, topOffset+chartHeight); err != nil {
+		if err := ct.ui.SetView(ct.Views.Chart, 0, topOffset-1, maxX, topOffset+chartHeight); err != nil {
 			ct.Views.Chart.Clear()
 			ct.Views.Chart.SetFrame(false)
 			ct.Views.Chart.SetFgColor(ct.colorscheme.gocuiFgColor(ct.Views.Chart.Name()))
@@ -92,7 +92,7 @@ func (ct *Cointop) layout() error {
 
 	tableOffsetX := ct.State.tableOffsetX
 	topOffset = topOffset + chartHeight
-	if err := ct.ui.SetView(ct.Views.TableHeader, tableOffsetX, topOffset, maxX, topOffset+2); err != nil {
+	if err := ct.ui.SetView(ct.Views.TableHeader, tableOffsetX, topOffset-1, maxX, topOffset+1); err != nil {
 		ct.Views.TableHeader.SetFrame(false)
 		ct.Views.TableHeader.SetFgColor(ct.colorscheme.gocuiFgColor(ct.Views.TableHeader.Name()))
 		ct.Views.TableHeader.SetBgColor(ct.colorscheme.gocuiBgColor(ct.Views.TableHeader.Name()))
@@ -100,7 +100,7 @@ func (ct *Cointop) layout() error {
 	}
 
 	topOffset = topOffset + headerHeight
-	if err := ct.ui.SetView(ct.Views.Table, tableOffsetX, topOffset, maxX, maxY-statusbarHeight); err != nil {
+	if err := ct.ui.SetView(ct.Views.Table, tableOffsetX, topOffset-1, maxX, maxY-statusbarHeight); err != nil {
 		ct.Views.Table.SetFrame(false)
 		ct.Views.Table.SetHighlight(true)
 		ct.Views.Table.SetSelFgColor(ct.colorscheme.gocuiFgColor("table_row_active"))