Example #1
0
func (c *TagController) Create(w http.ResponseWriter, r *http.Request) {
	// Initialize empty struct
	s := models.Tag{}

	// Decode JSON into struct
	err := json.NewDecoder(r.Body).Decode(&s)
	if err != nil {
		jsonError(w, r, "Failed to deconde JSON: "+err.Error(), http.StatusInternalServerError, c.envelope)
		return
	}

	// Set ID
	s.ID = bson.NewObjectId()

	// Validate input using JSON Schema
	docLoader := gojsonschema.NewGoLoader(s)
	schemaLoader := gojsonschema.NewReferenceLoader(c.schemaURI)

	res, err := gojsonschema.Validate(schemaLoader, docLoader)
	if err != nil {
		jsonError(w, r, "Failed to load schema: "+err.Error(), http.StatusInternalServerError, c.envelope)
		return
	}

	if !res.Valid() {
		var errors []string
		for _, e := range res.Errors() {
			errors = append(errors, fmt.Sprintf("%s: %s", e.Context().String(), e.Description()))
		}
		jsonError(w, r, errors, http.StatusInternalServerError, c.envelope)
		return
	}

	// Insert entry
	if err := c.session.DB(c.database).C("tags").Insert(s); err != nil {
		jsonError(w, r, err.Error(), http.StatusInternalServerError, c.envelope)
		return
	}

	// Write content-type, header and payload
	jsonWriter(w, r, s, http.StatusCreated, c.envelope)
}