models2: Fixed issue caused by last commit removing packages that were still barely in use.

models/channels/ensure.go

@@ -0,0 +1,33 @@
+package channels
+
+import (
+	"strings"
+
+	"github.com/globalsign/mgo"
+
+	"git.aiterp.net/rpdata/api/models"
+)
+
+// Ensure adds a channel if it doesn't exist. If logged is set and the found channel isn't logged,
+// that is changed.
+func Ensure(name string, logged bool) (models.Channel, error) {
+	if len(name) < 3 && !strings.HasPrefix(name, "#") {
+		return models.Channel{}, ErrInvalidName
+	}
+
+	channel, err := FindName(name)
+	if err == mgo.ErrNotFound {
+		return Add(name, logged, false, "", "")
+	} else if err != nil {
+		return models.Channel{}, err
+	}
+
+	if logged && !channel.Logged {
+		channel, err = Edit(channel, &logged, nil, nil, nil)
+		if err != nil {
+			return models.Channel{}, err
+		}
+	}
+
+	return channel, nil
+}