alecodes/synchronizator-go
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feat: add basic readwise example

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This commit is contained in:
Alexander Navarro 2024-12-01 14:48:11 -03:00
parent f58db2ecaa
commit 92c9814e2a
10 changed files with 273 additions and 248 deletions
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48
pkg/synchronizator.go
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@ -109,7 +109,8 @@ func (conn *DB) bootstrap() error {
id INTEGER PRIMARY KEY AUTOINCREMENT,
_class text NOT NULL,
name TEXT,
metadata jsonb DEFAULT '{}'
metadata jsonb DEFAULT '{}',
original_data jsonb DEFAULT '{}'
);
CREATE INDEX IF NOT EXISTS node_class on nodes (_class);
@ -169,10 +170,10 @@ func (conn *DB) Query(sql string, args ...any) (*sql.Rows, error) {
// A collection is only a Node wrapper with some extended functionality to
// manage multiple nodes. For more information see [DB.NewNode] method and the
// [Platform] struct.
func (conn *DB) NewPlatform(name string, metadata []byte) (*Platform, error) {
func (conn *DB) NewPlatform(name string, metadata []byte, originalData []byte) (*Platform, error) {
var platform *Platform
err := conn.withTx(func(tx *sql.Tx) error {
node, err := conn.newNodewithTx(tx, name, "PLATFORM", metadata)
node, err := conn.newNodewithTx(tx, name, "PLATFORM", metadata, originalData)
if err != nil {
return err
}
@ -181,6 +182,7 @@ func (conn *DB) NewPlatform(name string, metadata []byte) (*Platform, error) {
tx,
strings.ToUpper(name)+"_DEFAULT",
nil,
nil,
)
if err != nil {
return err
@ -210,12 +212,12 @@ func (conn *DB) NewPlatform(name string, metadata []byte) (*Platform, error) {
// [Collection] struct.
//
// The operation is ran in a database transaction.
func (conn *DB) NewCollection(name string, metadata []byte) (*Collection, error) {
func (conn *DB) NewCollection(name string, metadata, originalData []byte) (*Collection, error) {
var collection *Collection
err := conn.withTx(func(tx *sql.Tx) error {
var err error
collection, err = conn.newCollectionwithTx(tx, name, metadata)
collection, err = conn.newCollectionwithTx(tx, name, metadata, originalData)
return err
})
@ -227,8 +229,12 @@ func (conn *DB) NewCollection(name string, metadata []byte) (*Collection, error)
// A collection is only a Node wrapper with some extended functionality to
// manage multiple nodes. For more information see [DB.NewNode] method and the
// [Collection] struct.
func (conn *DB) newCollectionwithTx(tx *sql.Tx, name string, metadata []byte) (*Collection, error) {
node, err := conn.newNodewithTx(tx, name, "COLLECTION", metadata)
func (conn *DB) newCollectionwithTx(
tx *sql.Tx,
name string,
metadata, originalData []byte,
) (*Collection, error) {
node, err := conn.newNodewithTx(tx, name, "COLLECTION", metadata, originalData)
if err != nil {
return nil, err
}
@ -245,12 +251,12 @@ func (conn *DB) newCollectionwithTx(tx *sql.Tx, name string, metadata []byte) (*
// Creates a new node.
//
// The operation is ran in a database transaction.
func (conn *DB) NewNode(name string, class string, metadata []byte) (*Node, error) {
func (conn *DB) NewNode(name string, class string, metadata, originalData []byte) (*Node, error) {
var node *Node
err := conn.withTx(func(tx *sql.Tx) error {
var err error
node, err = conn.newNodewithTx(tx, name, class, metadata)
node, err = conn.newNodewithTx(tx, name, class, metadata, originalData)
return err
})
@ -263,20 +269,22 @@ func (conn *DB) newNodewithTx(
name string,
class string,
metadata []byte,
originalData []byte,
) (*Node, error) {
node := Node{
_conn: conn,
_class: class,
name: name,
metadata: metadata,
Id: -1,
_conn: conn,
_class: class,
name: name,
metadata: metadata,
originalData: originalData,
Id: -1,
}
conn.log(DEBUG, "Creating node:", node)
sql := "INSERT INTO nodes (_class, name, metadata) VALUES ($1, $2, $3) RETURNING id;"
sql := "INSERT INTO nodes (_class, name, metadata, original_data) VALUES ($1, $2, $3, $3) RETURNING id;"
err := tx.QueryRow(sql, node._class, node.name, metadata).Scan(&node.Id)
err := tx.QueryRow(sql, node._class, node.name, metadata, originalData).Scan(&node.Id)
if err != nil {
return nil, err
}
@ -474,19 +482,19 @@ func BulkCreateNode[T StandardNode](
valueArgs := make([]interface{}, 0, len(nodes)*3)
for i := range nodes {
// Create ($1, $2, $3), ($4, $5, $6), etc.
n := i * 3
valueStrings = append(valueStrings, fmt.Sprintf("($%d, $%d, $%d)", n+1, n+2, n+3))
n := i * 4
valueStrings = append(valueStrings, fmt.Sprintf("($%d, $%d, $%d, $%d)", n+1, n+2, n+3, n+4))
valueArgs = append(
valueArgs,
nodes[i].GetClass(),
nodes[i].GetName(),
nodes[i].GetMetadata(),
nodes[i].GetOriginalData(),
)
}
sql := fmt.Sprintf(`
INSERT INTO nodes (_class, name, metadata)
INSERT INTO nodes (_class, name, metadata, original_data)
VALUES %s
RETURNING id;`, strings.Join(valueStrings, ","))