moon/moon.go

@@ -2,7 +2,6 @@ package moon
 
 import (
 	"context"
-	"fmt"
 	"math"
 	"time"
 
@@ -15,7 +14,6 @@ type Math struct {
 	CurrentPrice coindesk.Price
 	Columns      []Column
 	Goals        []Goal
-	Labels       []string
 }
 
 func NewMath(asset coindesk.Asset, goals []Goal, bases []Base) (m Math) {
@@ -24,14 +22,10 @@ func NewMath(asset coindesk.Asset, goals []Goal, bases []Base) (m Math) {
 	}
 	m.Asset = asset
 	m.Goals = goals
-	m.Labels = []string{"Starting", "CDPR"}
 	m.Columns = make([]Column, len(bases))
 	for i := range bases {
 		m.Columns[i].Base = bases[i]
 	}
-	for i := range goals {
-		m.Labels = append(m.Labels, goals[i].Name)
-	}
 	return
 }
 
@@ -112,25 +106,6 @@ type Column struct {
 	Projections   Projection
 }
 
-func (c *Column) Column() (entries []string) {
-	entries = append(entries, fmt.Sprintf("$%.2f", c.StartingPrice))
-	entries = append(entries, fmt.Sprintf("%.2f%%", (c.CDPR-1)*100))
-	never := c.CDPR <= 1
-	for i := range c.Projections.Dates {
-		var cell string
-		if never {
-			cell = "NEVER!!!!!"
-		} else {
-			cell = c.
-				Projections.
-				Dates[i].
-				Format("2006-01-02")
-		}
-		entries = append(entries, cell)
-	}
-	return
-}
-
 var DefaultGoals = []Goal{
 	{"$100k", 100000},
 	{"$150k", 150000},

tui/tui.go

@@ -49,9 +49,19 @@ func New(cfg config.Data) Model {
 			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].Value)
+	}
 	projections := table.New(
 		table.WithColumns(projectionCols),
-		table.WithHeight(len(math.Labels)),
+		table.WithRows(projectionRows),
+		table.WithHeight(len(math.Goals)+2),
 		table.WithStyles(tableStyle),
 	)
 
@@ -96,27 +106,30 @@ func refillPrice(m *Model) {
 }
 
 func refillProjections(m *Model) {
-	rows := []table.Row{m.math.Labels}
-	for i := range m.math.Columns {
-		rows = append(rows, m.math.Columns[i].Column())
-	}
-	rows = transpose(rows)
-	m.projections.SetRows(rows)
-}
+	rows := m.projections.Rows()
 
-func transpose(slice []table.Row) []table.Row {
-	xl := len(slice[0])
-	yl := len(slice)
-	result := make([]table.Row, xl)
-	for i := range result {
-		result[i] = make(table.Row, yl)
-	}
-	for i := 0; i < xl; i++ {
-		for j := 0; j < yl; j++ {
-			result[i][j] = slice[j][i]
+	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
 		}
 	}
-	return result
+	m.projections.SetRows(rows)
 }
 
 func (m Model) View() string {