Update alt coin link to use braces for template tags

cointop/cointop.go

@@ -99,6 +99,7 @@ type State struct {
 	favoritesCompactNotation bool
 	portfolioCompactNotation bool
 	enableMouse              bool
+	altCoinLink              string
 }
 
 // Cointop cointop
@@ -199,6 +200,9 @@ var DefaultCompactNotation = false
 // DefaultEnableMouse ...
 var DefaultEnableMouse = true
 
+// DefaultAltCoinLink ...
+var DefaultAltCoinLink = ""
+
 // DefaultMaxChartWidth ...
 var DefaultMaxChartWidth = 175
 
@@ -305,6 +309,7 @@ func NewCointop(config *Config) (*Cointop, error) {
 			},
 			compactNotation:          DefaultCompactNotation,
 			enableMouse:              DefaultEnableMouse,
+			altCoinLink:              DefaultAltCoinLink,
 			tableCompactNotation:     DefaultCompactNotation,
 			favoritesCompactNotation: DefaultCompactNotation,
 			portfolioCompactNotation: DefaultCompactNotation,

cointop/config.go

@@ -49,12 +49,11 @@ type ConfigFileConfig struct {
 	RefreshRate       interface{}            `toml:"refresh_rate"`
 	CoinStructHash    interface{}            `toml:"coin_struct_version"`
 	CacheDir          interface{}            `toml:"cache_dir"`
-
-	CompactNotation interface{} `toml:"compact_notation"`
-	EnableMouse     interface{} `toml:"enable_mouse"`
-
-	Table map[string]interface{} `toml:"table"`
-	Chart map[string]interface{} `toml:"chart"`
+	CompactNotation   interface{}            `toml:"compact_notation"`
+	EnableMouse       interface{}            `toml:"enable_mouse"`
+	AltCoinLink       interface{}            `toml:"alt_coin_link"` // TODO: should really be in API-specific section
+	Table             map[string]interface{} `toml:"table"`
+	Chart             map[string]interface{} `toml:"chart"`
 }
 
 // SetupConfig loads config file
@@ -77,6 +76,7 @@ func (ct *Cointop) SetupConfig() error {
 		ct.loadCacheDirFromConfig,
 		ct.loadCompactNotationFromConfig,
 		ct.loadEnableMouseFromConfig,
+		ct.loadAltCoinLinkFromConfig,
 		ct.loadPriceAlertsFromConfig,
 		ct.loadPortfolioFromConfig,
 	}
@@ -301,6 +301,7 @@ func (ct *Cointop) ConfigToToml() ([]byte, error) {
 		CoinStructHash:    currentCoinHash,
 		CompactNotation:   ct.State.compactNotation,
 		EnableMouse:       ct.State.enableMouse,
+		AltCoinLink:       ct.State.altCoinLink,
 	}
 
 	var b bytes.Buffer
@@ -528,6 +529,16 @@ func (ct *Cointop) loadEnableMouseFromConfig() error {
 	return nil
 }
 
+// loadAltCoinLinkFromConfig loads AltCoinLink setting from config file to struct
+func (ct *Cointop) loadAltCoinLinkFromConfig() error {
+	log.Debug("loadAltCoinLinkFromConfig()")
+	if altCoinLink, ok := ct.config.AltCoinLink.(string); ok {
+		ct.State.altCoinLink = altCoinLink
+	}
+
+	return nil
+}
+
 // LoadAPIChoiceFromConfig loads API choices from config file to struct
 func (ct *Cointop) loadAPIChoiceFromConfig() error {
 	log.Debug("loadAPIKeysFromConfig()")

cointop/default_shortcuts.go

@@ -20,6 +20,7 @@ func DefaultShortcuts() map[string]string {
 		"ctrl+d":     "page_down",
 		"ctrl+f":     "open_search",
 		"ctrl+n":     "next_page",
+		"ctrl+o":     "open_alt_link",
 		"ctrl+p":     "previous_page",
 		"ctrl+r":     "refresh",
 		"ctrl+R":     "refresh",

cointop/keybindings.go

@@ -132,6 +132,8 @@ func (ct *Cointop) SetKeybindingAction(shortcutKey string, action string) error
 		fn = ct.Keyfn(ct.NavigateLastLine)
 	case "open_link":
 		fn = ct.Keyfn(ct.OpenLink)
+	case "open_alt_link":
+		fn = ct.Keyfn(ct.OpenAltLink)
 	case "refresh":
 		fn = ct.Keyfn(ct.Refresh)
 	case "sort_column_asc":

cointop/table.go

@@ -3,6 +3,7 @@ package cointop
 import (
 	"fmt"
 	"net/url"
+	"strconv"
 	"strings"
 
 	"github.com/cointop-sh/cointop/pkg/ui"
@@ -203,6 +204,17 @@ func (ct *Cointop) RowLink() string {
 	return ct.api.CoinLink(coin.Slug)
 }
 
+// RowLink returns the row url link
+func (ct *Cointop) RowAltLink() string {
+	log.Debug("RowAltLink()")
+	coin := ct.HighlightedRowCoin()
+	if coin == nil {
+		return ""
+	}
+
+	return ct.GetAltCoinLink(coin)
+}
+
 // RowLinkShort returns a shortened version of the row url link
 func (ct *Cointop) RowLinkShort() string {
 	log.Debug("RowLinkShort()")
@@ -227,6 +239,20 @@ func (ct *Cointop) RowLinkShort() string {
 	return ""
 }
 
+func (ct *Cointop) GetAltCoinLink(coin *Coin) string {
+	if ct.State.altCoinLink == "" {
+		return ct.api.CoinLink(coin.Slug)
+	}
+
+	url := ct.State.altCoinLink
+	url = strings.Replace(url, "{{ID}}", coin.ID, -1)
+	url = strings.Replace(url, "{{NAME}}", coin.Name, -1)
+	url = strings.Replace(url, "{{RANK}}", strconv.Itoa(coin.Rank), -1)
+	url = strings.Replace(url, "{{SLUG}}", coin.Slug, -1)
+	url = strings.Replace(url, "{{SYMBOL}}", coin.Symbol, -1)
+	return url
+}
+
 // ToggleTableFullscreen toggles the table fullscreen mode
 func (ct *Cointop) ToggleTableFullscreen() error {
 	log.Debug("ToggleTableFullscreen()")

cointop/util.go

@@ -20,6 +20,13 @@ func (ct *Cointop) OpenLink() error {
 	return nil
 }
 
+// OpenLink opens the alternate url in a browser
+func (ct *Cointop) OpenAltLink() error {
+	log.Debug("OpenAltLink()")
+	open.URL(ct.RowAltLink())
+	return nil
+}
+
 // GetBytes returns the interface in bytes form
 func GetBytes(key interface{}) ([]byte, error) {
 	var buf bytes.Buffer

pkg/eval/eval.go

@@ -43,3 +43,23 @@ func EvaluateExpressionToFloat64(input string, env interface{}) (float64, error)
 	}
 	return f64, nil
 }
+
+func EvaluateExpressionToString(input string, env interface{}) (string, error) {
+	input = strings.TrimSpace(input)
+	if input == "" {
+		return "", nil
+	}
+	program, err := expr.Compile(input, expr.Env(env))
+	if err != nil {
+		return "", err
+	}
+	result, err := expr.Run(program, env)
+	if err != nil {
+		return "", err
+	}
+	s, ok := result.(string)
+	if !ok {
+		return "", errors.New("expression did not return string type")
+	}
+	return s, nil
+}