Initial commit

app/event.go

@@ -0,0 +1,86 @@
+package app
+
+import (
+	"fmt"
+	"regexp"
+	"strings"
+	"time"
+)
+
+const REMOTE_LOCATION string = "online"
+
+type Event struct {
+	Name     string
+	Location string
+	DateTime time.Time
+
+	OrganizerID string
+}
+
+func (event *Event) GetChannelName() string {
+	month := event.GetMonthPrefix()
+	day := event.DateTime.Day() - 1
+	city := event.GetCityFromLocation()
+
+	channel := fmt.Sprint(month, "-", day, "-", city, "-", event.Name)
+	channel = strings.ReplaceAll(channel, " ", "-")
+	channel = strings.ToLower(channel)
+
+	re, _ := regexp.Compile(`[^\w\-]`)
+	channel = re.ReplaceAllString(channel, "")
+
+	return channel
+}
+
+func (event *Event) GetCityFromLocation() string {
+
+	if event.Location == REMOTE_LOCATION {
+		return REMOTE_LOCATION
+	}
+	parts := strings.Split(event.Location, " ")
+	index := -1
+	loc := event.Location
+
+	for i, v := range parts {
+		part := strings.ToLower(v)
+		if part == "mi" || part == "michigan" {
+			index = i - 1
+			if index < 0 {
+				return "unknown"
+			}
+			if index > 0 && parts[index] == "," {
+				index -= 1
+			}
+
+			if index > 1 && strings.Contains(parts[index-2], ",") {
+				loc = fmt.Sprintf("%s-%s", parts[index-1], parts[index])
+				break
+			}
+
+			loc = parts[index]
+			break
+		}
+	}
+
+	return loc
+}
+
+func (event *Event) GetMonthPrefix() string {
+	month := event.DateTime.Month()
+	data := map[time.Month]string{
+		time.January:   "jan",
+		time.February:  "feb",
+		time.March:     "march",
+		time.April:     "april",
+		time.May:       "may",
+		time.June:      "june",
+		time.July:      "july",
+		time.August:    "aug",
+		time.September: "sept",
+		time.October:   "oct",
+		time.November:  "nov",
+		time.December:  "dec",
+	}
+
+	return data[month]
+}