Add script for export participants

scripts/export_participants/.gitignore

@@ -0,0 +1 @@
+*.csv

scripts/export_participants/main.go

@@ -0,0 +1,36 @@
+package main
+
+import (
+	"flag"
+	"os"
+
+	"git.andreafazzi.eu/andrea/oef/client"
+	"git.andreafazzi.eu/andrea/oef/orm"
+	"github.com/gocarina/gocsv"
+)
+
+func main() {
+	username := flag.String("username", "admin", "Username")
+	password := flag.String("password", "admin", "Password")
+	output := flag.String("output", "participants.csv", "Output filename")
+
+	flag.Parse()
+
+	client, err := client.Dial(flag.Arg(0), *username, *password)
+	if err != nil {
+		panic(err)
+	}
+	participants := make([]*orm.Participant, 0)
+	err = client.ReadAll(&participants)
+	if err != nil {
+		panic(err)
+	}
+
+	f, err := os.Create(*output)
+	if err != nil {
+		panic(err)
+	}
+	defer f.Close()
+
+	gocsv.MarshalFile(participants, f)
+}