func (col *Collection) Delete(key string) error {
var err error
var res *nap.Response
if key == "" {
return errors.New("Key must not be empty")
}
if col.Type == 2 {
res, err = col.db.get("document", col.Name+"/"+key, "DELETE", nil, nil, nil)
} else {
res, err = col.db.get("edge", col.Name+"/"+key, "DELETE", nil, nil, nil)
}
if err != nil {
return err
}
switch res.Status() {
case 202, 200:
return nil
default:
return errors.New("Document don't exist or revision error")
}
}
func (col *Collection) Patch(key string, doc interface{}) error {
var err error
var res *nap.Response
if key == "" {
return errors.New("Key must not be empty")
}
if col.Type == 2 {
res, err = col.db.send("document", col.Name+"/"+key, "PATCH", doc, &doc, &doc)
} else {
res, err = col.db.send("edge", col.Name+"/"+key+"?rev=", "PATCH", doc, &doc, &doc)
}
if err != nil {
return err
}
switch res.Status() {
case 201:
return nil
case 202:
return nil
case 400:
return errors.New("Body does not contain a valid JSON representation of a document.")
case 404:
return errors.New("Collection or document was not found")
default:
return nil
}
}
// Replace document
func (col *Collection) Replace(key string, doc interface{}) error {
var err error
var res *nap.Response
if key == "" {
return errors.New("Key must not be empty")
}
if col.Type == 2 {
res, err = col.db.send("document", col.Name+"/"+key, "PUT", doc, &doc, &doc)
} else {
res, err = col.db.send("edge", col.Name+"/"+key, "PUT", doc, &doc, &doc)
}
if err != nil {
return err
}
switch res.Status() {
case 201:
return nil
case 202:
return nil
case 400:
return errors.New("Invalid json")
case 404:
return errors.New("Collection or document was not found")
default:
return nil
}
}
// Save saves doc into collection, doc should have Document Embedded to retrieve error and Key later.
func (col *Collection) Save(doc interface{}) error {
var err error
var res *nap.Response
if col.Type == 2 {
res, err = col.db.send("document?collection="+col.Name, "", "POST", doc, &doc, &doc)
} else {
return errors.New("Trying to save doc into EdgeCollection")
}
if err != nil {
return err
}
switch res.Status() {
case 201:
return nil
case 202:
return nil
case 400:
return errors.New("Invalid document json")
case 404:
return errors.New("Collection does not exist")
default:
return nil
}
}
// Get list of collections from any database
func Collections(db *Database) error {
var err error
var res *nap.Response
// get all non-system collections
res, err = db.get("collection?excludeSystem=true", "", "GET", nil, db, db)
if err != nil {
return err
}
if res.Status() == 200 {
return nil
} else {
return errors.New("Failed to retrieve collections from Database")
}
}
// Save Edge into Edges collection
func (col *Collection) SaveEdge(doc interface{}, from string, to string) error {
var err error
var res *nap.Response
if col.Type == 3 {
res, err = col.db.send("edge?collection="+col.Name+"&from="+from+"&to="+to, "", "POST", doc, &doc, &doc)
} else {
return errors.New("Trying to save document into Edge-Collection")
}
if err != nil {
return err
}
if res.Status() != 201 && res.Status() != 202 {
return errors.New("Unable to save document error")
}
return nil
}