func (c *TagController) Get(w http.ResponseWriter, r *http.Request) {
id := mux.Vars(r)["id"]
// Validate ObjectId
if !bson.IsObjectIdHex(id) {
w.WriteHeader(http.StatusNotFound)
return
}
// Get object id
oid := bson.ObjectIdHex(id)
// Initialize empty struct
s := models.Tag{}
// Get entry
if err := c.session.DB(c.database).C("tags").FindId(oid).One(&s); err != nil {
w.WriteHeader(http.StatusNotFound)
return
}
// Embed related data
if r.URL.Query().Get("embed") == "true" {
// Get image
if err := c.session.DB(c.database).C("images").FindId(s.ImageID).One(&s.Image); err != nil {
w.WriteHeader(http.StatusNotFound)
return
}
}
// HATEOAS Links
hateoas := c.hateoas
switch strings.ToLower(r.URL.Query().Get("hateoas")) {
case "true":
hateoas = true
case "false":
hateoas = false
}
if hateoas == true {
links := []models.Link{}
if s.ImageID != "" {
links = append(links, models.Link{
HRef: c.baseURI + "/images/" + s.ImageID.Hex(),
Rel: "self",
Method: "GET",
})
}
s.Links = &links
}
// Write content-type, header and payload
jsonWriter(w, r, s, http.StatusOK, c.envelope)
}
