Make favorite character configurable (#190)

* Make favorite character configurable

cointop/coins_table.go

@@ -82,7 +82,7 @@ func (ct *Cointop) GetCoinsTable() *table.Table {
 				star := " "
 				rankcolor := ct.colorscheme.TableRow
 				if coin.Favorite {
-					star = "*"
+					star = ct.State.favoriteChar
 					rankcolor = ct.colorscheme.TableRowFavorite
 				}
 				rank := fmt.Sprintf("%s%6v ", star, coin.Rank)

cointop/cointop.go

@@ -53,6 +53,7 @@ type State struct {
 
 	favorites                  map[string]bool
 	favoritesTableColumns      []string
+	favoriteChar               string
 	helpVisible                bool
 	hideMarketbar              bool
 	hideChart                  bool
@@ -207,6 +208,9 @@ var DefaultCacheDir = filecache.DefaultCacheDir
 // DefaultColorsDir ...
 var DefaultColorsDir = fmt.Sprintf("%s/colors", DefaultConfigFilepath)
 
+// DefaultFavoriteChar ...
+var DefaultFavoriteChar = "*"
+
 // NewCointop initializes cointop
 func NewCointop(config *Config) (*Cointop, error) {
 	if os.Getenv("DEBUG") != "" {
@@ -257,6 +261,7 @@ func NewCointop(config *Config) (*Cointop, error) {
 			favoritesBySymbol:     make(map[string]bool),
 			favorites:             make(map[string]bool),
 			favoritesTableColumns: DefaultCoinTableHeaders,
+			favoriteChar:          DefaultFavoriteChar,
 			hideMarketbar:         config.HideMarketbar,
 			hideChart:             config.HideChart,
 			hideTable:             config.HideTable,

cointop/config.go

@@ -11,6 +11,7 @@ import (
 	"strconv"
 	"strings"
 	"time"
+	"unicode/utf8"
 
 	"github.com/miguelmota/cointop/pkg/pathutil"
 	"github.com/miguelmota/cointop/pkg/toml"
@@ -244,6 +245,7 @@ func (ct *Cointop) ConfigToToml() ([]byte, error) {
 
 	var favoritesColumnsIfc interface{} = ct.State.favoritesTableColumns
 	favoritesMapIfc["columns"] = favoritesColumnsIfc
+	favoritesMapIfc["character"] = ct.State.favoriteChar
 
 	portfolioIfc := map[string]interface{}{}
 	var holdingsIfc [][]string
@@ -507,6 +509,14 @@ func (ct *Cointop) loadAPIChoiceFromConfig() error {
 func (ct *Cointop) loadFavoritesFromConfig() error {
 	log.Debug("loadFavoritesFromConfig()")
 	for k, valueIfc := range ct.config.Favorites {
+		if k == "character" {
+			if favoriteChar, ok := valueIfc.(string); ok {
+				if utf8.RuneCountInString(favoriteChar) != 1 {
+					return fmt.Errorf("invalid favorite-character. Must be one-character")
+				}
+				ct.State.favoriteChar = favoriteChar
+			}
+		}
 		ifcs, ok := valueIfc.([]interface{})
 		if !ok {
 			continue

cointop/portfolio.go

@@ -89,7 +89,7 @@ func (ct *Cointop) GetPortfolioTable() *table.Table {
 			case "rank":
 				star := ct.colorscheme.TableRow(" ")
 				if coin.Favorite {
-					star = ct.colorscheme.TableRowFavorite("*")
+					star = ct.colorscheme.TableRowFavorite(ct.State.favoriteChar)
 				}
 				rank := fmt.Sprintf("%s%v", star, ct.colorscheme.TableRow(fmt.Sprintf("%6v ", coin.Rank)))
 				ct.SetTableColumnWidth(header, 8)