// Code generated by templ - DO NOT EDIT.
// templ: version: v0.3.1020
package templates
//lint:file-ignore SA4006 This context is only used if a nested component is present.
import "github.com/a-h/templ"
import templruntime "github.com/a-h/templ/runtime"
import (
"fmt"
"math"
"strings"
"veola/internal/models"
)
type ItemsData struct {
Page
Items []models.Item
Categories []string
SelectedCategory string
// PriceHistory holds the last ~20 points per item id, ascending in time.
// Nil/missing entries render an empty sparkline cell.
PriceHistory map[int64][]models.PricePoint
}
// sparklinePoints turns a price-history slice into an SVG polyline "points"
// attribute, normalized to a 80x24 viewBox with 2px padding so endpoints
// don't clip the stroke. Returns "" when there isn't enough history to draw.
func sparklinePoints(history []models.PricePoint) string {
if len(history) < 2 {
return ""
}
const w, h, pad = 80.0, 24.0, 2.0
minP, maxP := math.Inf(1), math.Inf(-1)
for _, p := range history {
if p.Price < minP {
minP = p.Price
}
if p.Price > maxP {
maxP = p.Price
}
}
span := maxP - minP
if span == 0 {
// All-equal series: draw a flat line through the middle.
span = 1
}
step := (w - 2*pad) / float64(len(history)-1)
parts := make([]string, len(history))
for i, p := range history {
x := pad + float64(i)*step
y := h - pad - ((p.Price-minP)/span)*(h-2*pad)
parts[i] = fmt.Sprintf("%.1f,%.1f", x, y)
}
return strings.Join(parts, " ")
}
// sparklineTrendClass compares the last point to the average of the prior
// points and returns a CSS class so the sparkline tints green (price down),
// red (up), or neutral. Threshold is ±3% to ignore tiny wobbles.
func sparklineTrendClass(history []models.PricePoint) string {
if len(history) < 2 {
return ""
}
last := history[len(history)-1].Price
var sum float64
for _, p := range history[:len(history)-1] {
sum += p.Price
}
avg := sum / float64(len(history)-1)
if avg == 0 {
return "v-spark-flat"
}
switch {
case last <= avg*0.97:
return "v-spark-down"
case last >= avg*1.03:
return "v-spark-up"
}
return "v-spark-flat"
}
// trendArrow returns the unicode arrow + a CSS class describing the direction.
// Same threshold logic as the sparkline. Empty when there's no trend signal.
func trendArrow(history []models.PricePoint) (glyph, class string) {
switch sparklineTrendClass(history) {
case "v-spark-down":
return "↓", "v-trend-down"
case "v-spark-up":
return "↑", "v-trend-up"
case "v-spark-flat":
return "→", "v-trend-flat"
}
return "", ""
}
// isDeal is the gate for the mascot "deal" moment on a row.
func isDeal(it models.Item) bool {
return it.BestPrice != nil && it.TargetPrice != nil && *it.BestPrice <= *it.TargetPrice
}
func itemsBody(d ItemsData) templ.Component {
return templruntime.GeneratedTemplate(func(templ_7745c5c3_Input templruntime.GeneratedComponentInput) (templ_7745c5c3_Err error) {
templ_7745c5c3_W, ctx := templ_7745c5c3_Input.Writer, templ_7745c5c3_Input.Context
if templ_7745c5c3_CtxErr := ctx.Err(); templ_7745c5c3_CtxErr != nil {
return templ_7745c5c3_CtxErr
}
templ_7745c5c3_Buffer, templ_7745c5c3_IsBuffer := templruntime.GetBuffer(templ_7745c5c3_W)
if !templ_7745c5c3_IsBuffer {
defer func() {
templ_7745c5c3_BufErr := templruntime.ReleaseBuffer(templ_7745c5c3_Buffer)
if templ_7745c5c3_Err == nil {
templ_7745c5c3_Err = templ_7745c5c3_BufErr
}
}()
}
ctx = templ.InitializeContext(ctx)
templ_7745c5c3_Var1 := templ.GetChildren(ctx)
if templ_7745c5c3_Var1 == nil {
templ_7745c5c3_Var1 = templ.NopComponent
}
ctx = templ.ClearChildren(ctx)
templ_7745c5c3_Err = templruntime.WriteString(templ_7745c5c3_Buffer, 1, "
![\"Veola\"](\"/static/img/veola.avif\")