add deliveries

bot_graph.go

@@ -215,6 +215,97 @@ func botGraphValueDelta(m *tb.Message) {
 	return
 }
 
+func botGraphDeliveries(m *tb.Message) {
+	var (
+		maxVal     float64
+		unitFactor float64
+		unitName   string
+	)
+	for _, dStats := range cfg.StatsMonthly {
+		for _, stat := range dStats {
+			valueFloat := float64(stat.DeliveredCargoLastQuarter)
+			if math.Abs(valueFloat) > maxVal {
+				maxVal = math.Abs(valueFloat)
+			}
+		}
+	}
+	if maxVal > 1000000000 {
+		unitFactor = 1000000000
+		unitName = "billion"
+	} else if maxVal > 1000000 {
+		unitFactor = 1000000
+		unitName = "million"
+	} else {
+		unitFactor = 1
+		unitName = ""
+	}
+
+	var vals map[int]plotter.XYs
+	vals = make(map[int]plotter.XYs)
+	for ccID, dStats := range cfg.StatsMonthly {
+		vals[ccID] = make(plotter.XYs, 0)
+		for dStr, stat := range dStats {
+			d, err := time.Parse("20060102", dStr)
+			logErrorDebug(err, "botGraphDeliveries : time.Parse")
+			if err != nil {
+				bot.SendChat(m.Chat.ID, fmt.Sprintf("time.Parse : %s", err))
+				return
+			}
+			dateFloat := float64(d.Year()) + float64(d.Month()-1)/12
+			valueFloat := float64(stat.DeliveredCargoLastQuarter)
+			pt := plotter.XY{
+				X: dateFloat,
+				Y: valueFloat / unitFactor,
+			}
+			vals[ccID] = append(vals[ccID], pt)
+		}
+		sort.Slice(vals[ccID], func(i, j int) bool { return vals[ccID][i].X < vals[ccID][j].X })
+	}
+
+	p := plot.New()
+	p.Title.Text = "Company Deliveries"
+	p.X.Label.Text = "Year"
+	if unitName != "" {
+		p.Y.Label.Text = fmt.Sprintf("Deliveries (%s)", unitName)
+	} else {
+		p.Y.Label.Text = "Deliveries"
+	}
+
+	i := 0
+	for ccID, xys := range vals {
+		cc := cfg.Clients[ccID]
+
+		l, s, err := plotter.NewLinePoints(xys)
+		logErrorDebug(err, "botGraphDeliveries : plotter.NewLinePoints")
+		if err != nil {
+			bot.SendChat(m.Chat.ID, fmt.Sprintf("plotter.NewLinePoints : %s", err))
+			return
+		}
+
+		l.Color = cfg.GetClientColor(ccID)
+		l.Dashes = plotutil.Dashes(2)
+		s.Color = cfg.GetClientColor(ccID)
+		s.Shape = plotutil.Shape(0)
+
+		p.Add(l)
+		p.Add(s)
+		p.Legend.Add(cc.Username, l, s)
+
+		i++
+	}
+
+	err := p.Save(12*vg.Inch, 8*vg.Inch, "/app/data/points.png")
+	logErrorDebug(err, "botGraphDeliveries : plot.Save")
+	if err != nil {
+		bot.SendChat(m.Chat.ID, fmt.Sprintf("plot.Save : %s", err))
+		return
+	}
+
+	bot.SendChatImage(m.Chat.ID, "/app/data/points.png")
+
+	return
+}
+
 func botGraphMoney(m *tb.Message) {
 	var (
 		maxVal     float64