Merge branch 'main' of github.com:/jasonBirchall/crypto into main

* 'main' of github.com:/jasonBirchall/crypto:
  Add colour package to print string

cmd/track.go

@@ -24,6 +24,7 @@ import (
 	"time"
 
 	tm "github.com/buger/goterm"
+	"github.com/fatih/color"
 	api "github.com/jasonbirchall/crypto/pkg/api"
 	"github.com/m7shapan/njson"
 	"github.com/spf13/cobra"
@@ -118,6 +119,8 @@ func checkCoins(c string) (string, error) {
 // then returns the object values depending on if they're positive or negative.
 func grabPrice(body []byte) (string, error) {
 	var c Coin
+	pos := color.New(color.FgGreen)
+	neg := color.New(color.FgRed)
 
 	err := njson.Unmarshal([]byte(body), &c)
 	if err != nil {
@@ -134,9 +137,9 @@ func grabPrice(body []byte) (string, error) {
 	// positive then add a + symbol.
 	isNeg := math.Signbit(c.Change)
 	if isNeg {
-		return fmt.Sprintf("£%.2f | %.2f%%   ", v, c.Change), nil
+		return neg.Sprintf("£%.2f | %.2f%%   ", v, c.Change), nil
 	} else {
-		return fmt.Sprintf("£%.2f | +%.2f%%   ", v, c.Change), nil
+		return pos.Sprintf("£%.2f | +%.2f%%   ", v, c.Change), nil
 	}
 }
 

go.mod

@@ -4,6 +4,7 @@ go 1.15
 
 require (
 	github.com/buger/goterm v0.0.0-20200322175922-2f3e71b85129
+	github.com/fatih/color v1.7.0
 	github.com/fsnotify/fsnotify v1.4.9 // indirect
 	github.com/gopherjs/gopherjs v0.0.0-20200217142428-fce0ec30dd00 // indirect
 	github.com/guptarohit/asciigraph v0.5.1

go.sum

@@ -40,6 +40,7 @@ github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/dgrijalva/jwt-go v3.2.0+incompatible/go.mod h1:E3ru+11k8xSBh+hMPgOLZmtrrCbhqsmaPHjLKYnJCaQ=
 github.com/dgryski/go-sip13 v0.0.0-20181026042036-e10d5fee7954/go.mod h1:vAd38F8PWV+bWy6jNmig1y/TA+kYO4g3RSRF0IAv0no=
+github.com/fatih/color v1.7.0 h1:DkWD4oS2D8LGGgTQ6IvwJJXSL5Vp2ffcQg58nFV38Ys=
 github.com/fatih/color v1.7.0/go.mod h1:Zm6kSWBoL9eyXnKyktHP6abPY2pDugNf5KwzbycvMj4=
 github.com/fsnotify/fsnotify v1.4.7 h1:IXs+QLmnXW2CcXuY+8Mzv/fWEsPGWxqefPtCP5CnV9I=
 github.com/fsnotify/fsnotify v1.4.7/go.mod h1:jwhsz4b93w/PPRr/qN1Yymfu8t87LnFCMoQvtojpjFo=
@@ -132,7 +133,9 @@ github.com/magiconair/properties v1.8.1 h1:ZC2Vc7/ZFkGmsVC9KvOjumD+G5lXy2RtTKyzR
 github.com/magiconair/properties v1.8.1/go.mod h1:PppfXfuXeibc/6YijjN8zIbojt8czPbwD3XqdrwzmxQ=
 github.com/magiconair/properties v1.8.4 h1:8KGKTcQQGm0Kv7vEbKFErAoAOFyyacLStRtQSeYtvkY=
 github.com/magiconair/properties v1.8.4/go.mod h1:y3VJvCyxH9uVvJTWEGAELF3aiYNyPKd5NZ3oSwXrF60=
+github.com/mattn/go-colorable v0.0.9 h1:UVL0vNpWh04HeJXV0KLcaT7r06gOH2l4OW6ddYRUIY4=
 github.com/mattn/go-colorable v0.0.9/go.mod h1:9vuHe8Xs5qXnSaW/c/ABM9alt+Vo+STaOChaDxuIBZU=
+github.com/mattn/go-isatty v0.0.3 h1:ns/ykhmWi7G9O+8a448SecJU3nSMBXJfqQkl0upE1jI=
 github.com/mattn/go-isatty v0.0.3/go.mod h1:M+lRXTBqGeGNdLjl/ufCoiOlB5xdOkqRJdNxMWT7Zi4=
 github.com/matttproud/golang_protobuf_extensions v1.0.1/go.mod h1:D8He9yQNgCq6Z5Ld7szi9bcBfOoFv/3dc6xSMkL2PC0=
 github.com/miekg/dns v1.0.14/go.mod h1:W1PPwlIAgtquWBMBEV9nkV9Cazfe8ScdGz/Lj7v3Nrg=