feat(docs): add template preview (#1777)

pkg/notifications/preview/data/status.go

@@ -0,0 +1,44 @@
+package data
+
+import wt "github.com/containrrr/watchtower/pkg/types"
+
+type containerStatus struct {
+	containerID   wt.ContainerID
+	oldImage      wt.ImageID
+	newImage      wt.ImageID
+	containerName string
+	imageName     string
+	error
+	state State
+}
+
+func (u *containerStatus) ID() wt.ContainerID {
+	return u.containerID
+}
+
+func (u *containerStatus) Name() string {
+	return u.containerName
+}
+
+func (u *containerStatus) CurrentImageID() wt.ImageID {
+	return u.oldImage
+}
+
+func (u *containerStatus) LatestImageID() wt.ImageID {
+	return u.newImage
+}
+
+func (u *containerStatus) ImageName() string {
+	return u.imageName
+}
+
+func (u *containerStatus) Error() string {
+	if u.error == nil {
+		return ""
+	}
+	return u.error.Error()
+}
+
+func (u *containerStatus) State() string {
+	return string(u.state)
+}