updates

internal/apps/inflation/main.go

@@ -28,22 +28,30 @@ var rawData = make(map[string]map[time.Time]float32)
 var datas = map[string]Datas{
 	"CPIAUCSL": {
 		Name:            "CPI USA BASE",
-		ProcessFunction: toPercent,
+		ProcessFunction: toPercentNeg,
 	},
 	"PCEPI": {
 		Name:            "PCECPI USA",
-		ProcessFunction: toPercent,
+		ProcessFunction: toPercentNeg,
 	},
 	"M2SL": {
 		Name:            "M2 USA",
-		ProcessFunction: toPercent,
+		ProcessFunction: toPercentNeg,
 	},
 	"CP0000EZ19M086NEST": {
 		Name:            "HICP ECB",
-		ProcessFunction: toPercent,
+		ProcessFunction: toPercentNeg,
 	},
 	"MABMM301EZM189S": {
 		Name:            "M3 ECB",
+		ProcessFunction: toPercentNeg,
+	},
+	"CBBTCUSD": {
+		Name:            "Bitcoin",
+		ProcessFunction: toPercent,
+	},
+	"APU0000708111": {
+		Name:            "Eggs",
 		ProcessFunction: toPercent,
 	},
 }
@@ -60,7 +68,59 @@ func Setup() {
 	i18n.RegisterTranslations(Embed, "locales")
 
 	web.RegisterAppSetupFunc(func(a *fiber.App) {
-		a.Get("/app/inflation", func(c *fiber.Ctx) error {
+		a.Get("app/inflation", func(c *fiber.Ctx) error {
+			processedData := make(map[string]map[time.Time]float32)
+			for id, data := range datas {
+				processedData[id] = data.ProcessFunction(rawData[id])
+			}
+
+			line := charts.NewLine()
+
+			startYear, endYear := getYearRange(processedData)
+			yearList := createYearList(startYear, endYear)
+			for seriesID, timeData := range processedData {
+
+				aggregatedData := aggregateDataByYear(timeData)
+
+				yAxisT := []opts.LineData{}
+				var useAmount float32 = 1
+				for _, year := range yearList {
+					if value, exists := aggregatedData[year]; exists {
+
+						current := (value / 100) * useAmount
+						useAmount = useAmount + current
+						yAxisT = append(yAxisT, opts.LineData{Value: useAmount})
+					} else {
+						yAxisT = append(yAxisT, opts.LineData{Value: nil})
+					}
+				}
+
+				line.AddSeries(datas[seriesID].Name, yAxisT)
+			}
+
+			line.SetXAxis(yearList)
+
+			line.SetGlobalOptions(
+				charts.WithTitleOpts(opts.Title{
+					Title:    "Inflation",
+					Subtitle: "Copyright Tijl 2024",
+				}),
+				charts.WithDataZoomOpts(opts.DataZoom{
+					Orient: "horizontal",
+					Type:   "slider",
+				}),
+			)
+
+			rendered := line.RenderSnippet()
+
+			data := *web.Common(c)
+			data["Title"] = "tmp"
+			data["RenderedScript"] = template.JS(handleScriptElement(rendered.Script))
+			data["RenderedElement"] = template.HTML(rendered.Element)
+			return c.Render("apps/inflation/index", data, "layouts/base")
+
+		})
+		a.Get("/app/inflation/base", func(c *fiber.Ctx) error {
 
 			processedData := make(map[string]map[time.Time]float32)
 			for id, data := range datas {

internal/apps/inflation/util.go

@@ -52,6 +52,30 @@ func aggregateDataByYear(data map[time.Time]float32) map[int32]float32 {
 	return aggregatedData
 }
 
+func toPercentNeg(m map[time.Time]float32) map[time.Time]float32 {
+	var times []time.Time
+	for t := range m {
+		times = append(times, t)
+	}
+	sort.Slice(times, func(i, j int) bool {
+		return times[i].Before(times[j])
+	})
+	percentageChanges := make(map[time.Time]float32)
+	var previousValue float32
+	for i, t := range times {
+		currentValue := m[t]
+		if i == 0 {
+			percentageChanges[t] = 0
+		} else {
+			percentageChange := ((currentValue - previousValue) / previousValue) * 100
+			percentageChanges[t] = -percentageChange
+		}
+		previousValue = currentValue
+	}
+
+	return percentageChanges
+}
+
 func toPercent(m map[time.Time]float32) map[time.Time]float32 {
 	var times []time.Time
 	for t := range m {

web/views/apps/inflation/index.html

@@ -1,4 +1,4 @@
-<div class="text-white">
+<div id="chart" class="text-white">
     {{.RenderedElement}}
 </div>
 
@@ -8,4 +8,15 @@
         const script = `{{.RenderedScript}}`;
         eval(script);
     };
+    window.onresize = function () {
+        document.querySelectorAll('canvas, div').forEach(
+            function (e) {
+                const instance = echarts.getInstanceByDom(e);
+                if (instance) {
+                    instance.resize()
+                    console.log(instance, "resize")
+                }
+            }
+        );
+    }
 </script>

web/views/projects.html

@@ -1,2 +1,4 @@
 <div><a hx-boost="true" href="/app/flags">flags</a></div>
 <div><a hx-boost="true" href="/app/uploader">uploader</a></div>
+<div><a href="/app/inflation">inflation (full time based)</a></div>
+<div><a href="/app/inflation/base">inflation</a></div>