From dbc71139a5708b371ffb0b7580f562674707c558 Mon Sep 17 00:00:00 2001
From: Sam Anthony <sam@samanthony.xyz>
Date: Thu, 21 Nov 2024 16:47:08 -0500
Subject: server dashboard

---
 server/building.go | 40 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 40 insertions(+)
 create mode 100644 server/building.go

(limited to 'server/building.go')

diff --git a/server/building.go b/server/building.go
new file mode 100644
index 0000000..c7d298f
--- /dev/null
+++ b/server/building.go
@@ -0,0 +1,40 @@
+package main
+
+import "log"
+
+type Building map[RoomID]Record[Humidity]
+
+func newBuilding(roomIDs []RoomID) Building {
+	b := make(Building)
+	for _, id := range roomIDs {
+		b[id] = newRecord[Humidity]()
+	}
+	return b
+}
+
+func (b Building) Close() {
+	for _, record := range b {
+		record.Close()
+	}
+}
+
+// Calculate the average humidity in the building. Returns false if there is not enough data available.
+func (b Building) average() (Humidity, bool) {
+	var sum Humidity = 0
+	nRooms := 0
+	for room, record := range b {
+		c := make(chan Humidity)
+		record.getRecent <- c
+		if humidity, ok := <-c; ok {
+			sum += humidity
+			nRooms++
+		} else {
+			log.Printf("Warning: no humidity for room '%s'\n", room)
+		}
+	}
+	if nRooms == 0 {
+		log.Println("Warning: not enough data to calculate average humidity")
+		return -1.0, false
+	}
+	return sum / Humidity(nRooms), true
+}
-- 
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