Added colors and proper column alignment

lib/format.go

@@ -4,6 +4,7 @@ package mop
 
 import (
 	"bytes"
+	"fmt"
 	"text/template"
 	"time"
 )
@@ -15,11 +16,14 @@ func Format(message []Message) string {
 		Stocks []Message
 	}{
 		time.Now().Format("3:04:05pm PST"),
-		message,
+		prettify(message),
 	}
 
-	markup := `Hello<right>{{.Now}}</right>
+	markup :=
-{{range .Stocks}}<green>{{.Ticker}}</green> ${{.LastTrade}} <red>{{.Change}}</red>
+		`Hello<right>{{.Now}}</right>
+
+Ticker     Last trade     Change   % Change   Dividend      Yield
+{{range .Stocks}}{{.Color}}{{.Ticker}} {{.LastTrade}} {{.Change}} {{.ChangePercent}} {{.Dividend}} {{.Yield}}
 {{end}}...`
 
 	template, err := template.New("screen").Parse(markup)
@@ -35,3 +39,80 @@ func Format(message []Message) string {
 
 	return buffer.String()
 }
+
+func color(m Message) string {
+	return "x"
+}
+
+func prettify(message []Message) []Message {
+	pretty := make([]Message, len(message))
+	for i, m := range message {
+		pretty[i].Ticker = pad(m.Ticker, -10)
+		pretty[i].LastTrade = pad(with_currency(m.LastTrade), 10)
+		pretty[i].CurrentPrice = pad(with_currency(m.CurrentPrice), 10)
+		pretty[i].Change = pad(with_currency(m.Change), 10)
+		pretty[i].ChangePercent = pad(with_percent(m.ChangePercent), 10)
+		// ExLastTrade         string `json:"el"`
+		// ExCurrentPrice      string `json:"el_cur"`
+		// ExLastTradeDateTime string `json:"elt"`
+		// ExChange            string `json:"ec"`
+		// ExChangePercentage  string `json:"ecp"`
+		pretty[i].Dividend = pad(with_currency(nullify(m.Dividend)), 10)
+		pretty[i].Yield = pad(with_currency(nullify(m.Yield)), 10)
+	}
+	// fmt.Printf("%q", pretty)
+	return pretty
+}
+
+func nullify(str string) string {
+	if len(str) > 0 {
+		return str
+	} else {
+		return "-"
+	}
+}
+
+func with_currency(str string) string {
+	if str == "-" {
+		return str
+	} else {
+		switch str[0:1] {
+		case "+", "-":
+			return str[0:1] + "$" + str[1:]
+		default:
+			return "$" + str
+		}
+	}
+}
+
+func with_percent(str string) string {
+	if str == "-" {
+		return str
+	} else if str[0:1] != "-" {
+		return "+" + str + "%"
+	} else {
+		return str + "%"
+	}
+}
+
+func colorize(str string) string {
+	if str == "-" {
+		return str
+	} else if str[0:1] == "-" {
+		return "<red>" + str + "</red>"
+	} else {
+		return "<green>" + str + "</green>"
+	}
+}
+
+func ticker(str string, change string) string {
+	if change[0:1] == "-" {
+		return "<red>" + str + "</red>"
+	} else {
+		return "<green>" + str + "</green>"
+	}
+}
+
+func pad(str string, width int) string {
+	return fmt.Sprintf("%*s", width, str)
+}

lib/google_finance.go

@@ -5,95 +5,131 @@ package mop
 import (
 	"bytes"
 	"encoding/json"
-	// "io/ioutil"
+	"io/ioutil"
-	// "net/http"
+	"net/http"
+	"strings"
+	"time"
 )
 
 const real_time_url = "http://finance.google.com/finance/info?client=ig&q="
-const body = `
+
-// [
+// const body = `
-{
+// // [
-"id": "665300"
+// {
-,"t" : "COH"
+// "id": "22144"
-,"e" : "NYSE"
+// ,"t" : "AAPL"
-,"l" : "56.54"
+// ,"e" : "NASDAQ"
-,"l_cur" : "56.54"
+// ,"l" : "393.78"
-,"s": "0"
+// ,"l_cur" : "393.78"
-,"ltt":"4:01PM EDT"
+// ,"s": "2"
-,"lt" : "Jun 21, 4:01PM EDT"
+// ,"ltt":"4:00PM EDT"
-,"c" : "-0.75"
+// ,"lt" : "Jun 27, 4:00PM EDT"
-,"cp" : "-1.31"
+// ,"c" : "-4.29"
-,"ccol" : "chr"
+// ,"cp" : "-1.08"
-}
+// ,"ccol" : "chr"
-,{
+// ,"el": "393.40"
-"id": "353353"
+// ,"el_cur": "393.40"
-,"t" : "ATVI"
+// ,"elt" : "Jun 27, 5:04PM EDT"
-,"e" : "NASDAQ"
+// ,"ec" : "-0.38"
-,"l" : "13.55"
+// ,"ecp" : "-0.10"
-,"l_cur" : "13.55"
+// ,"eccol" : "chr"
-,"s": "0"
+// ,"div" : "3.05"
-,"ltt":"3:59PM EDT"
+// ,"yld" : "3.10"
-,"lt" : "Jun 21, 3:59PM EDT"
+// }
-,"c" : "-0.33"
+// ,{
-,"cp" : "-2.38"
+// "id": "353353"
-,"ccol" : "chr"
+// ,"t" : "ATVI"
-}
+// ,"e" : "NASDAQ"
-,{
+// ,"l" : "13.55"
-"id": "17154"
+// ,"l_cur" : "13.55"
-,"t" : "HPQ"
+// ,"s": "0"
-,"e" : "NYSE"
+// ,"ltt":"3:59PM EDT"
-,"l" : "24.15"
+// ,"lt" : "Jun 21, 3:59PM EDT"
-,"l_cur" : "24.15"
+// ,"c" : "-0.33"
-,"s": "0"
+// ,"cp" : "-2.38"
-,"ltt":"4:01PM EDT"
+// ,"ccol" : "chr"
-,"lt" : "Jun 21, 4:01PM EDT"
+// }
-,"c" : "-0.57"
+// ,{
-,"cp" : "-2.31"
+// "id": "17154"
-,"ccol" : "chr"
+// ,"t" : "HPQ"
-}
+// ,"e" : "NYSE"
-,{
+// ,"l" : "24.15"
-"id": "18241"
+// ,"l_cur" : "24.15"
-,"t" : "IBM"
+// ,"s": "0"
-,"e" : "NYSE"
+// ,"ltt":"4:01PM EDT"
-,"l" : "195.46"
+// ,"lt" : "Jun 21, 4:01PM EDT"
-,"l_cur" : "195.46"
+// ,"c" : "0.57"
-,"s": "0"
+// ,"cp" : "2.31"
-,"ltt":"4:02PM EDT"
+// ,"ccol" : "chr"
-,"lt" : "Jun 21, 4:02PM EDT"
+// }
-,"c" : "-1.89"
+// ,{
-,"cp" : "-0.96"
+// "id": "18241"
-,"ccol" : "chr"
+// ,"t" : "IBM"
-}
+// ,"e" : "NYSE"
-]`
+// ,"l" : "195.46"
+// ,"l_cur" : "195.46"
+// ,"s": "0"
+// ,"ltt":"4:02PM EDT"
+// ,"lt" : "Jun 21, 4:02PM EDT"
+// ,"c" : "-1.89"
+// ,"cp" : "-0.96"
+// ,"ccol" : "chr"
+// }
+// ]`
 
 type Message struct {
-	Ticker    string `json:"t"`
+	Ticker              string `json:"t"`
-	LastTrade string `json:"l"`
+	Exchange            string `json:"e"`
-	Change    string `json:"c"`
+	LastTrade           string `json:"l"`
+	CurrentPrice        string `json:"l_cur"`
+	LastTradeTime       string `json:"ltt"`
+	LastTradeDateTime   string `json:"lt"`
+	Change              string `json:"c"`
+	ChangePercent       string `json:"cp"`
+	ExLastTrade         string `json:"el"`
+	ExCurrentPrice      string `json:"el_cur"`
+	ExLastTradeDateTime string `json:"elt"`
+	ExChange            string `json:"ec"`
+	ExChangePercent     string `json:"ecp"`
+	Dividend            string `json:"div"`
+	Yield               string `json:"yld"`
+}
+
+var message []Message
+
+func (m *Message) Color() string {
+	if strings.Index(m.Change, "-") == -1 {
+		return "</green><green>"
+	} else {
+		return "</red><red>"
+	}
 }
 
 //-----------------------------------------------------------------------------
 func Quote(ticker string) []Message {
-	// // Send the request.
+	if len(message) > 0 && time.Now().Second()%5 != 0 { // Fetch quotes every 5 seconds.
-	// response, err := http.Get(real_time_url + ticker)
+		return message
-	// if err != nil {
+	}
-	//     panic(err)
+
-	// }
+	// Send the request.
-	//
+	response, err := http.Get(real_time_url + ticker)
-	// // Fetch response and get its body.
+	if err != nil {
-	// defer response.Body.Close()
+		panic(err)
-	// body, err := ioutil.ReadAll(response.Body)
+	}
-	//
+
-	// // Parse JSON.
+	// Fetch response and get its body.
-	// var message []Message
+	defer response.Body.Close()
-	// err = json.Unmarshal(sanitize(body), &message)
+	body, err := ioutil.ReadAll(response.Body)
 
 	// Parse JSON.
-	var message []Message
+	err = json.Unmarshal(sanitize(body), &message)
-	err := json.Unmarshal(sanitize([]byte(body)), &message)
+
+	// Parse JSON.
+	// err := json.Unmarshal(sanitize([]byte(body)), &message)
 	if err != nil {
 		panic(err)
 	}
+
 	return message
 }
 

lib/profile.go

@@ -4,5 +4,5 @@ package mop
 
 //-----------------------------------------------------------------------------
 func LoadProfile() string {
-	return "coh,atvi,hpq,ibm"
+	return "aapl,atvi,c,coh,goog,hpq,ibm,ma,tsla,v,yhoo,inin,crm,saas"
 }

lib/screen.go

@@ -30,9 +30,11 @@ var tags = map[string]termbox.Attribute{
 //-----------------------------------------------------------------------------
 func Draw(stocks string) {
 	message := Quote(stocks)
+
 	// for _, m := range message {
-	//     fmt.Printf("%s, %s, %s\n", m.Ticker, m.LastTrade, m.Change)
+	//         fmt.Printf("%s, %s, %s\n", m.Ticker, m.LastTrade, m.Change)
 	// }
+	// fmt.Printf("%s\n", Format(message))
 
 	drawScreen(Format(message))
 }
@@ -55,7 +57,7 @@ func tagsRegexp() *regexp.Regexp {
 // Return true if a string looks like a tag.
 //-----------------------------------------------------------------------------
 func isTag(str string) (is bool, open bool) {
-	is = (str[0:1] == "<" && str[len(str)-1:] == ">")
+	is = (len(str) > 3 && str[0:1] == "<" && str[len(str)-1:] == ">")
 	open = (is && str[1:2] != "/")
 	return
 }
@@ -64,7 +66,9 @@ func isTag(str string) (is bool, open bool) {
 // Extract tag name from the given tag, i.e. "<hello>" => "hello"
 //-----------------------------------------------------------------------------
 func tagName(str string) string {
-	if str[1:2] != "/" {
+	if len(str) < 3 {
+		return ""
+	} else if str[1:2] != "/" {
 		return str[1 : len(str)-1]
 	} else {
 		return str[2 : len(str)-1]