remove obsolete kontor.py

go/pkg/library/book_dao.go

@@ -0,0 +1,74 @@
+package library
+
+import (
+	"gitlab.thpeetz.de/kontor/kontor-go/pkg/dao"
+
+	mgo "gopkg.in/mgo.v2"
+	"gopkg.in/mgo.v2/bson"
+)
+
+// BookDAO extends the type BaseDAO.
+type BookDAO struct {
+	Db dao.BaseDAO
+}
+
+const (
+	// BOOKCOLLECTION defines the collection name for storing books.
+	BOOKCOLLECTION = "book"
+	// BOOKMODEL defines the name of the book data model.
+	BOOKMODEL = "kontor.library.book"
+)
+
+// FindAll retrieves the list of books from the database.
+func (m *BookDAO) FindAll() ([]Book, error) {
+	m.Db.Connect()
+	var books []Book
+	err := m.Db.MongoDb.C(BOOKCOLLECTION).Find(bson.M{"model": BOOKMODEL}).All(&books)
+	return books, err
+}
+
+// FindByID returns an book with given id or returns the error.
+func (m *BookDAO) FindByID(id string) (Book, error) {
+	m.Db.Connect()
+	var book Book
+	err := m.Db.MongoDb.C(BOOKCOLLECTION).FindId(bson.ObjectIdHex(id)).One(&book)
+	return book, err
+}
+
+// FindByTitle returns a book with given title or returns the error.
+func (m *BookDAO) FindByTitle(title string) (Book, error) {
+	m.Db.Connect()
+	var book Book
+	err := m.Db.MongoDb.C(BOOKCOLLECTION).Find(bson.M{"title": title, "model": BOOKMODEL}).One(&book)
+	return book, err
+}
+
+// Insert a book into database.
+func (m *BookDAO) Insert(book Book) error {
+	m.Db.Connect()
+	book.Model = BOOKMODEL
+	err := m.Db.MongoDb.C(BOOKCOLLECTION).Insert(&book)
+	return err
+}
+
+// Upsert a book into database.
+func (m *BookDAO) Upsert(book Book) (*mgo.ChangeInfo, error) {
+	m.Db.Connect()
+	book.Model = BOOKMODEL
+	info, err := m.Db.MongoDb.C(BOOKCOLLECTION).Upsert(bson.M{"title": book.Title}, &book)
+	return info, err
+}
+
+// Delete an existing book.
+func (m *BookDAO) Delete(book Book) error {
+	m.Db.Connect()
+	err := m.Db.MongoDb.C(BOOKCOLLECTION).Remove(&book)
+	return err
+}
+
+// Update an existing book.
+func (m *BookDAO) Update(book Book) error {
+	m.Db.Connect()
+	err := m.Db.MongoDb.C(BOOKCOLLECTION).UpdateId(book.ID, &book)
+	return err
+}