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Refactored Market

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master
Michael Dvorkin 12 years ago
parent 0a9ae0fea8
commit fd46f19683
4 changed files with 82 additions and 74 deletions
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
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  1. 4
      lib/format.go
  2. 3
      lib/screen.go
  3. 141
      lib/yahoo_market.go
  4. 8
      mop.go

4
lib/format.go
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@ -12,12 +12,12 @@ import (
)
//-----------------------------------------------------------------------------
func FormatMarket(m Market) string {
func FormatMarket(m *Market) string {
markup := `{{.Dow.name}}: `
if m.Dow[`change`][0:1] != `-` {
markup += `<green>{{.Dow.change}} ({{.Dow.percent}})</green> at {{.Dow.latest}}, `
} else {
markup += `"{{.Dow.change}}" ({{.Dow.percent}}) at {{.Dow.latest}}, `
markup += `{{.Dow.change}} ({{.Dow.percent}}) at {{.Dow.latest}}, `
}
markup += `{{.Sp500.name}}: `
if m.Sp500[`change`][0:1] != `-` {

3
lib/screen.go
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@ -59,8 +59,7 @@ func (self *Screen) Close() {
}
//-----------------------------------------------------------------------------
func (self *Screen) DrawMarket() {
market := GetMarket()
func (self *Screen) DrawMarket(market *Market) {
self.draw(FormatMarket(market))
}

141
lib/yahoo_market.go
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@ -11,6 +11,7 @@ import (
)
type Market struct {
Open bool
Dow map[string]string
Nasdaq map[string]string
Sp500 map[string]string
@ -21,10 +22,24 @@ type Market struct {
Lows map[string]string
}
const yahoo_market_url = `http://finance.yahoo.com/marketupdate/overview`
//-----------------------------------------------------------------------------
func (self *Market) Initialize() *Market {
self.Open = true
self.Dow = make(map[string]string)
self.Nasdaq = make(map[string]string)
self.Sp500 = make(map[string]string)
self.Advances = make(map[string]string)
self.Declines = make(map[string]string)
self.Unchanged = make(map[string]string)
self.Highs = make(map[string]string)
self.Lows = make(map[string]string)
return self
}
func GetMarket() Market {
response, err := http.Get(yahoo_market_url)
//-----------------------------------------------------------------------------
func (self *Market) Fetch() *Market {
response, err := http.Get(`http://finance.yahoo.com/marketupdate/overview`)
if err != nil {
panic(err)
}
@ -36,10 +51,11 @@ func GetMarket() Market {
panic(err)
}
return extract(trim(body))
return self.extract(self.trim(body))
}
func trim(body []byte) []byte {
//-----------------------------------------------------------------------------
func (self *Market) trim(body []byte) []byte {
start := bytes.Index(body, []byte(`<table id="yfimktsumm"`))
finish := bytes.LastIndex(body, []byte(`<table id="yfimktsumm"`))
snippet := bytes.Replace(body[start:finish], []byte{'\n'}, []byte{}, -1)
@ -48,7 +64,8 @@ func trim(body []byte) []byte {
return snippet
}
func extract(snippet []byte) Market {
//-----------------------------------------------------------------------------
func (self *Market) extract(snippet []byte) *Market {
const any = `\s*<.+?>`
const some = `<.+?`
const space = `\s*`
@ -79,84 +96,74 @@ func extract(snippet []byte) Market {
// println(`No matches`)
// }
m := Market{
Dow: make(map[string]string),
Nasdaq: make(map[string]string),
Sp500: make(map[string]string),
Advances: make(map[string]string),
Declines: make(map[string]string),
Unchanged: make(map[string]string),
Highs: make(map[string]string),
Lows: make(map[string]string),
}
m.Dow[`name`] = matches[0][1]
m.Dow[`latest`] = matches[0][2]
m.Dow[`change`] = matches[0][4]
self.Dow[`name`] = matches[0][1]
self.Dow[`latest`] = matches[0][2]
self.Dow[`change`] = matches[0][4]
switch matches[0][3] {
case `008800`:
m.Dow[`change`] = `+` + matches[0][4]
m.Dow[`percent`] = `+` + matches[0][5]
self.Dow[`change`] = `+` + matches[0][4]
self.Dow[`percent`] = `+` + matches[0][5]
case `cc0000`:
m.Dow[`change`] = `-` + matches[0][4]
m.Dow[`percent`] = `-` + matches[0][5]
self.Dow[`change`] = `-` + matches[0][4]
self.Dow[`percent`] = `-` + matches[0][5]
default:
m.Dow[`change`] = matches[0][4]
m.Dow[`percent`] = matches[0][5]
self.Dow[`change`] = matches[0][4]
self.Dow[`percent`] = matches[0][5]
}
m.Nasdaq[`name`] = matches[0][6]
m.Nasdaq[`latest`] = matches[0][7]
self.Nasdaq[`name`] = matches[0][6]
self.Nasdaq[`latest`] = matches[0][7]
switch matches[0][8] {
case `008800`:
m.Nasdaq[`change`] = `+` + matches[0][9]
m.Nasdaq[`percent`] = `+` + matches[0][10]
self.Nasdaq[`change`] = `+` + matches[0][9]
self.Nasdaq[`percent`] = `+` + matches[0][10]
case `cc0000`:
m.Nasdaq[`change`] = `-` + matches[0][9]
m.Nasdaq[`percent`] = `-` + matches[0][10]
self.Nasdaq[`change`] = `-` + matches[0][9]
self.Nasdaq[`percent`] = `-` + matches[0][10]
default:
m.Nasdaq[`change`] = matches[0][9]
m.Nasdaq[`percent`] = matches[0][10]
self.Nasdaq[`change`] = matches[0][9]
self.Nasdaq[`percent`] = matches[0][10]
}
m.Sp500[`name`] = matches[0][11]
m.Sp500[`latest`] = matches[0][12]
self.Sp500[`name`] = matches[0][11]
self.Sp500[`latest`] = matches[0][12]
switch matches[0][13] {
case `008800`:
m.Sp500[`change`] = `+` + matches[0][14]
m.Sp500[`percent`] = `+` + matches[0][15]
self.Sp500[`change`] = `+` + matches[0][14]
self.Sp500[`percent`] = `+` + matches[0][15]
case `cc0000`:
m.Sp500[`change`] = `-` + matches[0][14]
m.Sp500[`percent`] = `-` + matches[0][15]
self.Sp500[`change`] = `-` + matches[0][14]
self.Sp500[`percent`] = `-` + matches[0][15]
default:
m.Sp500[`change`] = matches[0][14]
m.Sp500[`percent`] = matches[0][15]
self.Sp500[`change`] = matches[0][14]
self.Sp500[`percent`] = matches[0][15]
}
m.Advances[`name`] = matches[0][16]
m.Advances[`nyse`] = matches[0][17]
m.Advances[`nysep`] = matches[0][18]
m.Advances[`nasdaq`] = matches[0][19]
m.Advances[`nasdaqp`] = matches[0][20]
m.Declines[`name`] = matches[0][21]
m.Declines[`nyse`] = matches[0][22]
m.Declines[`nysep`] = matches[0][23]
m.Declines[`nasdaq`] = matches[0][24]
m.Declines[`nasdaqp`] = matches[0][25]
m.Unchanged[`name`] = matches[0][26]
m.Unchanged[`nyse`] = matches[0][27]
m.Unchanged[`nysep`] = matches[0][28]
m.Unchanged[`nasdaq`] = matches[0][29]
m.Unchanged[`nasdaqp`] = matches[0][30]
m.Highs[`name`] = matches[0][31]
m.Highs[`nyse`] = matches[0][32]
m.Highs[`nasdaq`] = matches[0][33]
m.Lows[`name`] = matches[0][34]
m.Lows[`nyse`] = matches[0][35]
m.Lows[`nasdaq`] = matches[0][36]
return m
self.Advances[`name`] = matches[0][16]
self.Advances[`nyse`] = matches[0][17]
self.Advances[`nysep`] = matches[0][18]
self.Advances[`nasdaq`] = matches[0][19]
self.Advances[`nasdaqp`] = matches[0][20]
self.Declines[`name`] = matches[0][21]
self.Declines[`nyse`] = matches[0][22]
self.Declines[`nysep`] = matches[0][23]
self.Declines[`nasdaq`] = matches[0][24]
self.Declines[`nasdaqp`] = matches[0][25]
self.Unchanged[`name`] = matches[0][26]
self.Unchanged[`nyse`] = matches[0][27]
self.Unchanged[`nysep`] = matches[0][28]
self.Unchanged[`nasdaq`] = matches[0][29]
self.Unchanged[`nasdaqp`] = matches[0][30]
self.Highs[`name`] = matches[0][31]
self.Highs[`nyse`] = matches[0][32]
self.Highs[`nasdaq`] = matches[0][33]
self.Lows[`name`] = matches[0][34]
self.Lows[`nyse`] = matches[0][35]
self.Lows[`nasdaq`] = matches[0][36]
return self
}

8
mop.go
Unescape View File

@ -22,9 +22,11 @@ func mainLoop(screen *mop.Screen, profile *mop.Profile) {
}
}()
market := new(mop.Market).Initialize().Fetch()
screen.Clear()
screen.DrawMarket()
screen.DrawMarket(market)
screen.DrawQuotes(profile.Quotes())
loop:
for {
select {
@ -46,7 +48,7 @@ loop:
}
case termbox.EventResize:
screen.Resize().Clear()
screen.DrawMarket()
screen.DrawMarket(market.Fetch())
screen.DrawQuotes(profile.Quotes())
}
@ -57,7 +59,7 @@ loop:
screen.DrawQuotes(profile.Quotes())
case <-market_queue.C:
screen.DrawMarket()
screen.DrawMarket(market.Fetch())
}
}
}

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