fixup! fix and log a bunch of issues; get to rendering

internal/model/suntimes.go

@@ -0,0 +1,39 @@
+// TODO: find a home for this
+package model
+
+import (
+	"time"
+
+	"github.com/nathan-osman/go-sunrise"
+)
+
+type SuntimesProvider struct {
+	Latitude  float64
+	Longitude float64
+}
+
+// SunTimes represents the sunrise and sunset times of a date.
+type SunTimes struct {
+	Rise, Set Timestamp
+}
+
+// GetSunTimes returns the sunrise and sunset times for the receiver-date at
+// the given location.
+// Warning: slow (TODO)
+func (p *SuntimesProvider) Get(d Date) SunTimes {
+
+	// calculate sunrise sunset (UTC)
+	sunriseTime, sunsetTime := sunrise.SunriseSunset(p.Latitude, p.Longitude, d.Year, time.Month(d.Month), d.Day)
+
+	// convert time to current location
+	sunriseTime = sunriseTime.In(time.Now().Location())
+	sunsetTime = sunsetTime.In(time.Now().Location())
+
+	// convert to suntimes
+	suntimes := SunTimes{
+		*NewTimestampFromGotime(sunriseTime),
+		*NewTimestampFromGotime(sunsetTime),
+	}
+
+	return suntimes
+}