Hamcha
4 years ago
parent
f87c2194c8
commit
c801e74db3
@ -0,0 +1,51 @@
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package boltbackend
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import (
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"errors"
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"github.com/boltdb/bolt"
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"github.com/gorilla/feeds"
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)
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// BoltBackend is a Bolt-powered storage backend for bacheca
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type BoltBackend struct {
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db *bolt.DB
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}
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// MakeBoltBackend returns a BoltBackend instance
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func MakeBoltBackend(path string) (*BoltBackend, error) {
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db, err := bolt.Open(path, 0600, nil)
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return &BoltBackend{
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db: db,
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}, err
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}
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// Close closes the underlying bolt handler
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func (b *BoltBackend) Close() error {
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return b.db.Close()
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}
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// GetFeed returns the whole feed
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func (b *BoltBackend) GetFeed() (*feeds.Feed, error) {
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return nil, errors.New("not implemented")
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}
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// AddItem adds an item to the feed
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func (b *BoltBackend) AddItem(item feeds.Item) (string, error) {
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return "", errors.New("not implemented")
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}
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// RemoveItem removes an item by ID
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func (b *BoltBackend) RemoveItem(id string) error {
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return errors.New("not implemented")
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}
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// ReplaceItem replaces the item at a specified ID with the data provided
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func (b *BoltBackend) ReplaceItem(id string, item feeds.Item) error {
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return errors.New("not implemented")
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}
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// SetInfo sets the feed metadata (like title and description)
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func (b *BoltBackend) SetInfo(info feeds.Feed) error {
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return errors.New("not implemented")
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}
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@ -0,0 +1,49 @@
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package filebackend
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import (
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"errors"
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"os"
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"github.com/gorilla/feeds"
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)
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// FileBackend is a file-based storage backend for bacheca
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type FileBackend struct {
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path string
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}
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// MakeFileBackend returns a FileBackend instance
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func MakeFileBackend(path string) (*FileBackend, error) {
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stat, err := os.Stat(path)
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if err == nil && stat.IsDir() {
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return nil, errors.New("file backend must be a file")
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}
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return &FileBackend{
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path: path,
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}, err
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}
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// GetFeed returns the whole feed
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func (b *FileBackend) GetFeed() (*feeds.Feed, error) {
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return nil, errors.New("not implemented")
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}
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// AddItem adds an item to the feed
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func (b *FileBackend) AddItem(item feeds.Item) (string, error) {
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return "", errors.New("not implemented")
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}
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// RemoveItem removes an item by ID
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func (b *FileBackend) RemoveItem(id string) error {
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return errors.New("not implemented")
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}
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// ReplaceItem replaces the item at a specified ID with the data provided
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func (b *FileBackend) ReplaceItem(id string, item feeds.Item) error {
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return errors.New("not implemented")
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}
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// SetInfo sets the feed metadata (like title and description)
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func (b *FileBackend) SetInfo(info feeds.Feed) error {
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return errors.New("not implemented")
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}
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@ -0,0 +1,23 @@
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package storage
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import "github.com/gorilla/feeds"
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// Backend is a storage backend for bacheca
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type Backend interface {
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// GetFeed returns the whole feed
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GetFeed() (*feeds.Feed, error)
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// AddItem adds an item to the feed
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// If an ID is not specified, one will be generated randomly
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// The return value is the ID, generated or provided
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AddItem(item feeds.Item) (string, error)
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// RemoveItem removes an item by ID
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RemoveItem(id string) error
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// ReplaceItem replaces the item at a specified ID with the data provided
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ReplaceItem(id string, item feeds.Item) error
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// SetInfo sets the feed metadata (like title and description)
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SetInfo(info feeds.Feed) error
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}
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