Move TUI code into separate package.

coindesk/asset_tickers.json

@@ -0,0 +1 @@
+{"statusCode":200,"message":"OK","data":{"BTC":{"iso":"BTC","name":"Bitcoin","slug":"bitcoin","change":{"percent":-6.3,"value":-4187.634882541},"ohlc":{"o":66436.26558132548,"h":66436.26558132548,"l":61526.78744328402,"c":62248.630698784444},"circulatingSupply":19658987,"marketCap":1223745021675.2043,"ts":1710898259000,"src":"tb"}}}

coindesk/lib_test.go

@@ -1,29 +0,0 @@
-package coindesk_test
-
-import (
-	"context"
-	"fmt"
-	"testing"
-	"time"
-
-	"code.humancabbage.net/sam/moonmath/coindesk"
-)
-
-func TestXxx(t *testing.T) {
-	now := time.Now()
-	then := now.Add(time.Duration(-24) * time.Hour)
-
-	values, err := coindesk.GetPriceValues(context.Background(), coindesk.BTC, then, now)
-	if err != nil {
-		t.Errorf("test failure: %v", err)
-	}
-	_ = values
-	fmt.Println()
-
-	tickers, err := coindesk.GetAssetTickers(context.Background(), coindesk.BTC, coindesk.ETH)
-	if err != nil {
-		t.Errorf("test failure: %v", err)
-	}
-	_ = tickers
-	fmt.Println()
-}

coindesk/model_test.go

@@ -0,0 +1,31 @@
+package coindesk_test
+
+import (
+	_ "embed"
+	"encoding/json"
+	"testing"
+
+	"code.humancabbage.net/sam/moonmath/coindesk"
+)
+
+func TestUnmarshalPriceValues(t *testing.T) {
+	testUnmarshalResponse[coindesk.PriceValues](t, priceValuesJson)
+}
+
+func TestUnmarshalAssetTickers(t *testing.T) {
+	testUnmarshalResponse[coindesk.AssetTickers](t, assetTickersJson)
+}
+
+func testUnmarshalResponse[T any](t *testing.T, jsonBytes []byte) {
+	var resp coindesk.Response[T]
+	err := json.Unmarshal(jsonBytes, &resp)
+	if err != nil {
+		t.Errorf("failed to unmarshal JSON: %v", err)
+	}
+}
+
+//go:embed price_values.json
+var priceValuesJson []byte
+
+//go:embed asset_tickers.json
+var assetTickersJson []byte

coindesk/price_values.json

@@ -0,0 +1 @@
+{"statusCode":200,"message":"OK","data":{"iso":"BTC","name":"Bitcoin","slug":"bitcoin","ingestionStart":"2014-11-03","interval":"15m","src":"tb","entries":[[1710548099000,69784.6599201257],[1710548999000,69907.6435505413],[1710549899000,69735.0244223474],[1710550799000,69608.3777481736],[1710551699000,69643.5872644923],[1710552599000,69389.4883714119],[1710553499000,69350.2996335944],[1710554399000,69241.2719800575],[1710555299000,69110.5930246779],[1710556199000,69046.5706710773],[1710557099000,69209.8770692447],[1710557999000,69069.0204183649],[1710558899000,69317.6327892521],[1710559799000,69175.2057532632],[1710560699000,69237.706076427],[1710561599000,69206.0448006493],[1710562499000,69077.8264056849],[1710563399000,69161.0784263752],[1710564299000,68903.1424009851],[1710565199000,68994.5234182921],[1710566099000,68754.9875193438],[1710566999000,68784.6200740683],[1710567899000,69002.1375650817],[1710568799000,68975.0878307215],[1710569699000,69045.2310776643],[1710570599000,69025.7239355934],[1710571499000,69068.3988090268],[1710572399000,69185.2444741912],[1710573299000,69246.5439171529],[1710574199000,69278.2574941136],[1710575099000,69407.4780576693],[1710575999000,69406.4527711537],[1710576899000,69296.4923727422],[1710577799000,69165.948416751],[1710578699000,69258.7912250956],[1710579599000,69017.1102984366],[1710580499000,69014.4480481396],[1710581399000,69099.3096696255],[1710582299000,69011.246072562],[1710583199000,68942.5343294262],[1710584099000,68697.8235476743],[1710584999000,68597.1119491188],[1710585899000,68532.2931864276],[1710586799000,68420.1712986066],[1710587699000,68354.8847177761],[1710588599000,67949.5219527423],[1710589499000,68327.2101380853],[1710590399000,68260.6576285653],[1710591299000,68192.7968537126],[1710592199000,68302.103987459],[1710593099000,68096.4362930929],[1710593999000,67906.8863092216],[1710594899000,67982.183818933],[1710595799000,68073.3862259585],[1710596699000,67891.8144823227],[1710597599000,67706.923652975],[1710598499000,67942.4174766702],[1710599399000,67848.3672161555],[1710600299000,67975.9404080798],[1710601199000,68177.0804610881],[1710602099000,67994.5903423281],[1710602999000,68024.8507494152],[1710603899000,68201.8594048759],[1710604799000,68358.4188016011],[1710605699000,68239.5960888028],[1710606599000,68224.3438496054],[1710607499000,68293.736596961],[1710608399000,68158.4057208716],[1710609299000,68114.4234280406],[1710610199000,67829.2127954109],[1710611099000,67630.8190396486],[1710611999000,67220.3085172518],[1710612899000,67043.4786652409],[1710613799000,66906.1713676385],[1710614699000,66871.2079622553],[1710615599000,67015.8311895788],[1710616499000,67458.766887969],[1710617399000,67493.9852796663],[1710618299000,67354.2332686561],[1710619199000,66916.4704143146],[1710620099000,66995.7196236024],[1710620999000,67046.4965828003],[1710621899000,67402.0503271179],[1710622799000,67087.3064846683],[1710623699000,66943.270112864],[1710624599000,66268.8656111216],[1710625499000,66290.9133774055],[1710626399000,66189.3483322972],[1710627299000,66073.8513767399],[1710628199000,66433.8329094007],[1710629099000,66549.3543050487],[1710629999000,66331.1108451565],[1710630899000,65376.9600942977],[1710631799000,65280.3933464042],[1710632699000,65598.1187015513],[1710633599000,65261.5180497119],[1710634499000,65780.8283123471]]}}

moonmath.go

@@ -1,145 +1,15 @@
 package main
 
 import (
-	"context"
 	"fmt"
 	"os"
-	"time"
 
-	"code.humancabbage.net/sam/moonmath/moon"
+	"code.humancabbage.net/sam/moonmath/tui"
-	"github.com/charmbracelet/bubbles/table"
 	tea "github.com/charmbracelet/bubbletea"
-	"github.com/charmbracelet/lipgloss"
 )
 
-var baseStyle = lipgloss.NewStyle().
-	BorderStyle(lipgloss.NormalBorder()).
-	BorderForeground(lipgloss.Color("240"))
-
-type model struct {
-	math moon.Math
-
-	prices      table.Model
-	projections table.Model
-}
-
-func (m model) Init() tea.Cmd {
-	return func() tea.Msg {
-		_ = m.math.Refresh(context.TODO())
-		return m.math
-	}
-}
-
-func initialModel() model {
-	math := moon.NewMath(nil, nil)
-
-	tableStyle := table.DefaultStyles()
-	tableStyle.Selected = lipgloss.NewStyle()
-	prices := table.New(
-		table.WithColumns([]table.Column{
-			{Title: "Price", Width: 9},
-		}),
-		table.WithHeight(1),
-		table.WithStyles(tableStyle),
-	)
-
-	projectionCols := []table.Column{
-		{Title: "Labels", Width: 8},
-	}
-	for i := range math.Columns {
-		projectionCols = append(projectionCols, table.Column{
-			Title: math.Columns[i].Base.Name(),
-			Width: 10,
-		})
-	}
-	projectionRows := make([]table.Row, len(math.Goals)+2)
-	for i := range projectionRows {
-		projectionRows[i] = make(table.Row, len(projectionCols))
-	}
-	projectionRows[0][0] = "Starting"
-	projectionRows[1][0] = "CDPR"
-	for i := range math.Goals {
-		projectionRows[i+2][0] = fmt.Sprintf("$%.0f", math.Goals[i])
-	}
-	projections := table.New(
-		table.WithColumns(projectionCols),
-		table.WithRows(projectionRows),
-		table.WithHeight(len(math.Goals)+2),
-		table.WithStyles(tableStyle),
-	)
-
-	return model{
-		math:        math,
-		prices:      prices,
-		projections: projections,
-	}
-}
-
-func (m model) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
-	switch msg := msg.(type) {
-	case moon.Math:
-		m.math = msg
-		refillPrice(&m)
-		refillProjections(&m)
-		return m, tea.Tick(time.Second*30, func(t time.Time) tea.Msg {
-			_ = m.math.Refresh(context.TODO())
-			return m.math
-		})
-	case tea.KeyMsg:
-		switch msg.String() {
-		case "ctrl+c", "q", "esc":
-			return m, tea.Quit
-		}
-	}
-	return m, nil
-}
-
-func refillPrice(m *model) {
-	rows := []table.Row{
-		[]string{fmt.Sprintf("$%0.2f", m.math.CurrentPrice)},
-	}
-	m.prices.SetRows(rows)
-}
-
-func refillProjections(m *model) {
-	rows := m.projections.Rows()
-
-	for col := range m.math.Columns {
-		_ = col
-		never := false
-		if m.math.Columns[col].CDPR <= 1 {
-			never = true
-		}
-
-		rows[0][col+1] = fmt.Sprintf("$%.2f", m.math.Columns[col].StartingPrice)
-		rows[1][col+1] = fmt.Sprintf("%.2f%%", (m.math.Columns[col].CDPR-1)*100)
-		for row := 0; row < len(m.math.Goals); row++ {
-			var cell string
-			if never {
-				cell = "NEVER!!!!!"
-			} else {
-				cell = m.math.Columns[col].
-					Projections.Dates[row].
-					Format("2006-01-02")
-			}
-			rows[row+2][col+1] = cell
-		}
-	}
-	m.projections.SetRows(rows)
-}
-
-func (m model) View() string {
-	var s string
-	s += lipgloss.JoinHorizontal(
-		lipgloss.Top,
-		baseStyle.Render(m.prices.View()),
-		baseStyle.Render(m.projections.View()),
-	)
-	return s + "\n"
-}
-
 func main() {
-	p := tea.NewProgram(initialModel())
+	p := tea.NewProgram(tui.New())
 	if _, err := p.Run(); err != nil {
 		fmt.Printf("program error: %v\n", err)
 		os.Exit(1)

tui/tui.go

@@ -0,0 +1,138 @@
+package tui
+
+import (
+	"context"
+	"fmt"
+	"time"
+
+	"code.humancabbage.net/sam/moonmath/moon"
+	"github.com/charmbracelet/bubbles/table"
+	tea "github.com/charmbracelet/bubbletea"
+	"github.com/charmbracelet/lipgloss"
+)
+
+var baseStyle = lipgloss.NewStyle().
+	BorderStyle(lipgloss.NormalBorder()).
+	BorderForeground(lipgloss.Color("240"))
+
+type Model struct {
+	math moon.Math
+
+	prices      table.Model
+	projections table.Model
+}
+
+func New() Model {
+	math := moon.NewMath(nil, nil)
+
+	tableStyle := table.DefaultStyles()
+	tableStyle.Selected = lipgloss.NewStyle()
+	prices := table.New(
+		table.WithColumns([]table.Column{
+			{Title: "Price", Width: 9},
+		}),
+		table.WithHeight(1),
+		table.WithStyles(tableStyle),
+	)
+
+	projectionCols := []table.Column{
+		{Title: "Labels", Width: 8},
+	}
+	for i := range math.Columns {
+		projectionCols = append(projectionCols, table.Column{
+			Title: math.Columns[i].Base.Name(),
+			Width: 10,
+		})
+	}
+	projectionRows := make([]table.Row, len(math.Goals)+2)
+	for i := range projectionRows {
+		projectionRows[i] = make(table.Row, len(projectionCols))
+	}
+	projectionRows[0][0] = "Starting"
+	projectionRows[1][0] = "CDPR"
+	for i := range math.Goals {
+		projectionRows[i+2][0] = fmt.Sprintf("$%.0f", math.Goals[i])
+	}
+	projections := table.New(
+		table.WithColumns(projectionCols),
+		table.WithRows(projectionRows),
+		table.WithHeight(len(math.Goals)+2),
+		table.WithStyles(tableStyle),
+	)
+
+	return Model{
+		math:        math,
+		prices:      prices,
+		projections: projections,
+	}
+}
+
+func (m Model) Init() tea.Cmd {
+	return func() tea.Msg {
+		_ = m.math.Refresh(context.TODO())
+		return m.math
+	}
+}
+
+func (m Model) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
+	switch msg := msg.(type) {
+	case moon.Math:
+		m.math = msg
+		refillPrice(&m)
+		refillProjections(&m)
+		return m, tea.Tick(time.Second*30, func(t time.Time) tea.Msg {
+			_ = m.math.Refresh(context.TODO())
+			return m.math
+		})
+	case tea.KeyMsg:
+		switch msg.String() {
+		case "ctrl+c", "q", "esc":
+			return m, tea.Quit
+		}
+	}
+	return m, nil
+}
+
+func refillPrice(m *Model) {
+	rows := []table.Row{
+		[]string{fmt.Sprintf("$%0.2f", m.math.CurrentPrice)},
+	}
+	m.prices.SetRows(rows)
+}
+
+func refillProjections(m *Model) {
+	rows := m.projections.Rows()
+
+	for col := range m.math.Columns {
+		_ = col
+		never := false
+		if m.math.Columns[col].CDPR <= 1 {
+			never = true
+		}
+
+		rows[0][col+1] = fmt.Sprintf("$%.2f", m.math.Columns[col].StartingPrice)
+		rows[1][col+1] = fmt.Sprintf("%.2f%%", (m.math.Columns[col].CDPR-1)*100)
+		for row := 0; row < len(m.math.Goals); row++ {
+			var cell string
+			if never {
+				cell = "NEVER!!!!!"
+			} else {
+				cell = m.math.Columns[col].
+					Projections.Dates[row].
+					Format("2006-01-02")
+			}
+			rows[row+2][col+1] = cell
+		}
+	}
+	m.projections.SetRows(rows)
+}
+
+func (m Model) View() string {
+	var s string
+	s += lipgloss.JoinHorizontal(
+		lipgloss.Top,
+		baseStyle.Render(m.prices.View()),
+		baseStyle.Render(m.projections.View()),
+	)
+	return s + "\n"
+}