moved sql-based Blobstore to the database package
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6 changed files with 141 additions and 93 deletions
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@ -1,9 +0,0 @@
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package blobsql
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type Blob struct {
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ID int64 `meddler:"blob_id,pk" orm:"column(blob_id);pk;auto"`
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Path string `meddler:"blob_path" orm:"column(blob_path);size(2000);unique"`
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Data string `meddler:"blob_data,gobgzip" orm:"column(blob_data);type(text)"`
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}
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func (b *Blob) TableName() string { return "blobs" }
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package blobsql
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import (
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"bytes"
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"io"
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"io/ioutil"
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"github.com/russross/meddler"
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)
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type Blobstore struct {
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meddler.DB
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}
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// Del removes an object from the blobstore.
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func (b *Blobstore) Del(path string) error {
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var _, err = b.Exec(deleteBlob, path)
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return err
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}
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// Get retrieves an object from the blobstore.
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func (b *Blobstore) Get(path string) ([]byte, error) {
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var blob = Blob{}
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var err = meddler.QueryRow(b, &blob, queryBlob, path)
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return []byte(blob.Data), err
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}
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// GetReader retrieves an object from the blobstore.
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// It is the caller's responsibility to call Close on
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// the ReadCloser when finished reading.
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func (b *Blobstore) GetReader(path string) (io.ReadCloser, error) {
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var blob, err = b.Get(path)
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var buf = bytes.NewBuffer(blob)
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return ioutil.NopCloser(buf), err
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}
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// Put inserts an object into the blobstore.
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func (b *Blobstore) Put(path string, data []byte) error {
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var blob = Blob{}
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meddler.QueryRow(b, &blob, queryBlob, path)
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blob.Path = path
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blob.Data = string(data)
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return meddler.Save(b, tableBlob, &blob)
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}
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// PutReader inserts an object into the blobstore by
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// consuming data from r until EOF.
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func (b *Blobstore) PutReader(path string, r io.Reader) error {
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var data, _ = ioutil.ReadAll(r)
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return b.Put(path, data)
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}
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func New(db meddler.DB) *Blobstore {
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return &Blobstore{db}
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}
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@ -1,18 +0,0 @@
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package blobsql
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const (
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tableBlob = "blobs"
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)
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const (
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queryBlob = `
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SELECT *
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FROM blobs
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WHERE blob_path = ?;
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`
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deleteBlob = `
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DELETE FROM blobs
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WHERE blob_path = ?;
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`
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)
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@ -1,11 +0,0 @@
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package blobsql
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import (
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"code.google.com/p/go.net/context"
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"github.com/drone/drone/server/blobstore"
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"github.com/russross/meddler"
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)
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func NewContext(parent context.Context, db meddler.DB) context.Context {
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return blobstore.NewContext(parent, New(db))
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}
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75
server/datastore/database/blob.go
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75
server/datastore/database/blob.go
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package database
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import (
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"bytes"
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"io"
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"io/ioutil"
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"github.com/russross/meddler"
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)
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type Blob struct {
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ID int64 `meddler:"blob_id,pk"`
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Path string `meddler:"blob_path"`
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Data string `meddler:"blob_data,gobgzip"`
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}
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type Blobstore struct {
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meddler.DB
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}
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// Del removes an object from the blobstore.
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func (db *Blobstore) Del(path string) error {
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var _, err = db.Exec(rebind(blobDeleteStmt), path)
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return err
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}
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// Get retrieves an object from the blobstore.
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func (db *Blobstore) Get(path string) ([]byte, error) {
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var blob = Blob{}
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var err = meddler.QueryRow(db, &blob, rebind(blobQuery), path)
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return []byte(blob.Data), err
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}
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// GetReader retrieves an object from the blobstore.
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// It is the caller's responsibility to call Close on
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// the ReadCloser when finished reading.
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func (db *Blobstore) GetReader(path string) (io.ReadCloser, error) {
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var blob, err = db.Get(path)
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var buf = bytes.NewBuffer(blob)
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return ioutil.NopCloser(buf), err
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}
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// Put inserts an object into the blobstore.
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func (db *Blobstore) Put(path string, data []byte) error {
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var blob = Blob{}
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meddler.QueryRow(db, &blob, rebind(blobQuery), path)
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blob.Path = path
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blob.Data = string(data)
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return meddler.Save(db, blobTable, &blob)
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}
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// PutReader inserts an object into the blobstore by
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// consuming data from r until EOF.
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func (db *Blobstore) PutReader(path string, r io.Reader) error {
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var data, _ = ioutil.ReadAll(r)
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return db.Put(path, data)
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}
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func NewBlobstore(db meddler.DB) *Blobstore {
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return &Blobstore{db}
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}
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// Blob table name in database.
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const blobTable = "blobs"
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const blobQuery = `
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SELECT *
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FROM blobs
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WHERE blob_path = ?;
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`
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const blobDeleteStmt = `
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DELETE FROM blobs
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WHERE blob_path = ?;
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`
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66
server/datastore/database/blob_test.go
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66
server/datastore/database/blob_test.go
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package database
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import (
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"bytes"
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"io/ioutil"
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"testing"
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"github.com/franela/goblin"
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)
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func TestBlobstore(t *testing.T) {
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db := mustConnectTest()
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bs := NewBlobstore(db)
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defer db.Close()
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g := goblin.Goblin(t)
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g.Describe("Blobstore", func() {
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// before each test be sure to purge the package
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// table data from the database.
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g.BeforeEach(func() {
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db.Exec("DELETE FROM blobs")
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})
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g.It("Should Put a Blob", func() {
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err := bs.Put("foo", []byte("bar"))
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g.Assert(err == nil).IsTrue()
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})
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g.It("Should Put a Blob reader", func() {
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var buf bytes.Buffer
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buf.Write([]byte("bar"))
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err := bs.PutReader("foo", &buf)
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g.Assert(err == nil).IsTrue()
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})
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g.It("Should Overwrite a Blob", func() {
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bs.Put("foo", []byte("bar"))
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bs.Put("foo", []byte("baz"))
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blob, err := bs.Get("foo")
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g.Assert(err == nil).IsTrue()
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g.Assert(string(blob)).Equal("baz")
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})
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g.It("Should Get a Blob", func() {
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bs.Put("foo", []byte("bar"))
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blob, err := bs.Get("foo")
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g.Assert(err == nil).IsTrue()
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g.Assert(string(blob)).Equal("bar")
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})
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g.It("Should Get a Blob reader", func() {
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bs.Put("foo", []byte("bar"))
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r, _ := bs.GetReader("foo")
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blob, _ := ioutil.ReadAll(r)
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g.Assert(string(blob)).Equal("bar")
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})
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g.It("Should Del a Blob", func() {
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bs.Put("foo", []byte("bar"))
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err := bs.Del("foo")
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g.Assert(err == nil).IsTrue()
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})
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})
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}
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