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|
package data
import (
"context"
"database/sql"
"fmt"
"time"
"github.com/jpappel/atlas/pkg/index"
)
type Put struct {
Id int64
Doc index.Document
tx *sql.Tx
db *sql.DB
}
type PutMany struct {
Docs map[int64]*index.Document
pathDocs map[string]*index.Document
db *sql.DB
ctx context.Context
}
func NewPut(db *sql.DB, doc index.Document) Put {
return Put{Doc: doc, db: db}
}
func NewPutMany(ctx context.Context, db *sql.DB, documents map[string]*index.Document) (PutMany, error) {
docs := make(map[int64]*index.Document, len(documents))
p := PutMany{
Docs: docs,
pathDocs: documents,
db: db,
ctx: ctx,
}
return p, nil
}
func (p *Put) Insert(ctx context.Context) error {
var err error
p.tx, err = p.db.BeginTx(ctx, nil)
if err != nil {
return nil
}
if err := p.document(); err != nil {
p.tx.Rollback()
return err
}
if err := p.tags(); err != nil {
p.tx.Rollback()
return err
}
if err := p.links(); err != nil {
p.tx.Rollback()
return err
}
if err := p.authors(); err != nil {
p.tx.Rollback()
return err
}
if _, err := p.tx.Exec("INSERT OR REPLACE INTO Info(key,value,updated) VALUES (?,?,?)",
"lastUpdate", "singlePut", time.Now().UTC().Unix(),
); err != nil {
p.tx.Rollback()
return err
}
return p.tx.Commit()
}
func (p PutMany) Insert() error {
if err := p.documents(p.ctx); err != nil {
return fmt.Errorf("failed to insert documents: %v", err)
}
if err := p.tags(p.ctx); err != nil {
return fmt.Errorf("failed to insert tags: %v", err)
}
if err := p.links(p.ctx); err != nil {
return fmt.Errorf("failed to insert links: %v", err)
}
if err := p.authors(p.ctx); err != nil {
return fmt.Errorf("failed to insert authors: %v", err)
}
if _, err := p.db.ExecContext(p.ctx, "INSERT OR REPLACE INTO Info(key,value,updated) VALUES (?,?,?)",
"lastUpdate", "multiPut", time.Now().UTC().Unix(),
); err != nil {
return err
}
return nil
}
func (p *Put) document() error {
title := sql.NullString{String: p.Doc.Title, Valid: p.Doc.Title != ""}
date := sql.NullInt64{Int64: p.Doc.Date.Unix(), Valid: !p.Doc.Date.IsZero()}
filetime := sql.NullInt64{Int64: p.Doc.FileTime.Unix(), Valid: !p.Doc.FileTime.IsZero()}
headings := sql.NullString{String: p.Doc.Headings, Valid: p.Doc.Headings != ""}
meta := sql.NullString{String: p.Doc.OtherMeta, Valid: p.Doc.OtherMeta != ""}
result, err := p.tx.Exec(`
INSERT INTO Documents(path, title, date, fileTime, headings, meta)
VALUES (?,?,?,?,?,?)
`, p.Doc.Path, title, date, filetime, headings, meta)
if err != nil {
return err
}
p.Id, err = result.LastInsertId()
if err != nil {
return err
}
return nil
}
func (p *PutMany) documents(ctx context.Context) error {
tx, err := p.db.BeginTx(ctx, nil)
if err != nil {
return err
}
stmt, err := tx.PrepareContext(ctx, `
INSERT INTO Documents(path, title, date, fileTime, headings, meta)
VALUES (?,?,?,?,?,?)
`)
if err != nil {
return err
}
defer stmt.Close()
// PERF: profile this, grabbing the docId here might save time by simpliyfying
// future inserts
for _, doc := range p.pathDocs {
title := sql.NullString{String: doc.Title, Valid: doc.Title != ""}
date := sql.NullInt64{Int64: doc.Date.Unix(), Valid: !doc.Date.IsZero()}
filetime := sql.NullInt64{Int64: doc.FileTime.Unix(), Valid: !doc.FileTime.IsZero()}
headings := sql.NullString{String: doc.Headings, Valid: doc.Headings != ""}
meta := sql.NullString{String: doc.OtherMeta, Valid: doc.OtherMeta != ""}
res, err := stmt.ExecContext(ctx, doc.Path, title, date, filetime, headings, meta)
if err != nil {
tx.Rollback()
return err
}
id, err := res.LastInsertId()
if err != nil {
tx.Rollback()
return err
}
p.Docs[id] = doc
}
return tx.Commit()
}
func (p Put) tags() error {
if len(p.Doc.Tags) == 0 {
return nil
}
query, args := BatchQuery("INSERT OR IGNORE INTO Tags (tag) VALUES", "", "(?)", ",", "", len(p.Doc.Tags), p.Doc.Tags)
if _, err := p.tx.Exec(query, args...); err != nil {
return err
}
preQuery := fmt.Sprintf(`
INSERT INTO DocumentTags
SELECT %d, Tags.id
FROM Tags
WHERE tag IN
`, p.Id)
query, args = BatchQuery(preQuery, "(", "?", ",", ")", len(p.Doc.Tags), p.Doc.Tags)
if _, err := p.tx.Exec(query, args...); err != nil {
return err
}
return nil
}
func (p PutMany) tags(ctx context.Context) error {
tx, err := p.db.BeginTx(ctx, nil)
if err != nil {
return err
}
txNewTagStmt, err := tx.Prepare("INSERT OR IGNORE INTO Tags (tag) VALUES (?)")
if err != nil {
tx.Rollback()
return err
}
defer txNewTagStmt.Close()
for id, doc := range p.Docs {
if len(doc.Tags) == 0 {
continue
}
for _, tag := range doc.Tags {
if _, err := txNewTagStmt.ExecContext(ctx, tag); err != nil {
tx.Rollback()
return err
}
}
preQuery := fmt.Sprintf(`
INSERT INTO DocumentTags (docId, tagId)
SELECT %d, Tags.id
FROM Tags
WHERE tag IN
`, id)
query, args := BatchQuery(preQuery, "(", "?", ",", ")", len(doc.Tags), doc.Tags)
if _, err := tx.Exec(query, args...); err != nil {
tx.Rollback()
return err
}
}
return tx.Commit()
}
func (p Put) links() error {
if len(p.Doc.Links) == 0 {
return nil
}
preQuery := `
INSERT INTO Links (docId, link)
VALUES
`
valueStr := fmt.Sprintf("(%d,?)", p.Id)
query, args := BatchQuery(preQuery, "", valueStr, ",", "", len(p.Doc.Links), p.Doc.Links)
if _, err := p.tx.Exec(query+"\n ON CONFLICT DO NOTHING", args...); err != nil {
return err
}
return nil
}
func (p PutMany) links(ctx context.Context) error {
tx, err := p.db.BeginTx(ctx, nil)
if err != nil {
return err
}
for id, doc := range p.Docs {
if len(doc.Links) == 0 {
continue
}
preQuery := `
INSERT INTO Links (docId, link)
VALUES
`
valueStr := fmt.Sprintf("(%d,?)", id)
query, args := BatchQuery(preQuery, "", valueStr, ",", "", len(doc.Links), doc.Links)
if _, err := tx.Exec(query+"\n ON CONFLICT DO NOTHING", args...); err != nil {
tx.Rollback()
return err
}
}
return tx.Commit()
}
func (p Put) authors() error {
if len(p.Doc.Authors) == 0 {
return nil
}
authStmt, err := p.tx.Prepare("INSERT OR IGNORE INTO Authors(author) VALUES(?)")
if err != nil {
return err
}
defer authStmt.Close()
idStmt, err := p.tx.Prepare("SELECT id FROM Authors WHERE author = ?")
if err != nil {
return err
}
defer idStmt.Close()
docAuthStmt, err := p.tx.Prepare(
fmt.Sprintf("INSERT INTO DocumentAuthors(docId,authorId) VALUES (%d,?)", p.Id),
)
if err != nil {
return err
}
defer docAuthStmt.Close()
// sqlite is fast, and i'm too lazy to batch this
var authId int64
for _, author := range p.Doc.Authors {
if _, err := authStmt.Exec(author); err != nil {
return err
}
if err := idStmt.QueryRow(author).Scan(&authId); err != nil {
return err
}
if _, err := docAuthStmt.Exec(authId); err != nil {
return err
}
}
return nil
}
func (p PutMany) authors(ctx context.Context) error {
tx, err := p.db.BeginTx(ctx, nil)
if err != nil {
return err
}
authStmt, err := tx.Prepare("INSERT OR IGNORE INTO Authors(author) VALUES(?)")
if err != nil {
return err
}
defer authStmt.Close()
idStmt, err := tx.Prepare("SELECT id FROM Authors WHERE author = ?")
if err != nil {
return err
}
defer idStmt.Close()
docAuthStmt, err := tx.Prepare("INSERT INTO DocumentAuthors(docId,authorId) VALUES (?,?)")
if err != nil {
return err
}
defer docAuthStmt.Close()
var authId int64
for docId, doc := range p.Docs {
for _, author := range doc.Authors {
if _, err := authStmt.Exec(author); err != nil {
return err
}
if err := idStmt.QueryRow(author).Scan(&authId); err != nil {
return err
}
if _, err := docAuthStmt.Exec(docId, authId); err != nil {
return err
}
}
}
return tx.Commit()
}
|
