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143 lines
2.5 KiB
143 lines
2.5 KiB
package Database
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import (
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"database/sql"
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"fmt"
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"time"
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)
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type FilesystemHashRow struct {
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Path string
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Hash string
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UpdatedAt time.Time
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}
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func FindOrCreateFileHash(rows []FilesystemHashRow) error {
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var (
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stmtString string
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stmt *sql.Stmt
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values []interface{} = []interface{}{}
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e error
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)
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stmtString = "INSERT OR REPLACE INTO filesystem_hash (id, path, hash, updated_at) VALUES "
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for _, row := range rows {
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stmtString += `(
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(SELECT id FROM filesystem_hash WHERE path = ?),
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?,
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?,
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?
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),`
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values = append(values, row.Path, row.Path, row.Hash, row.UpdatedAt.String())
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}
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stmtString = stmtString[0 : len(stmtString)-1]
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stmt, e = DB.Prepare(stmtString)
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if e != nil {
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return e
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}
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_, e = stmt.Exec(values...)
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return e
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}
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func FindModifiedFiles(hashes []string) ([]string, error) {
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var (
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stmtString string
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stmt *sql.Stmt
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values []interface{} = []interface{}{}
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result *sql.Rows
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dirtyFiles []string = []string{}
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e error
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)
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stmtString = "SELECT id, path FROM filesystem_hash WHERE hash NOT IN ("
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for _, row := range hashes {
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stmtString += "?,"
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values = append(values, row)
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}
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stmtString = stmtString[0:len(stmtString)-1] + ")"
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stmt, e = DB.Prepare(stmtString)
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if e != nil {
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return dirtyFiles, e
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}
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result, e = stmt.Query(values...)
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if e != nil {
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return dirtyFiles, e
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}
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defer result.Close()
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for result.Next() {
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var id string
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var hash string
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e = result.Scan(&id, &hash)
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if e != nil {
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return dirtyFiles, e
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}
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fmt.Println(id, hash)
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dirtyFiles = append(dirtyFiles, hash)
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}
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e = result.Err()
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return dirtyFiles, e
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}
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/*
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func FindNewFiles(files []string) ([]string, error) {
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var (
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stmtString string
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stmt *sql.Stmt
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values []interface{} = []interface{}{}
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result *sql.Rows
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dirtyFiles []string = []string{}
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e error
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)
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stmtString = `select *
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from (
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values (4),(5),(6)
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) as v(id)
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where not exists (select *
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from images i
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where i.id = v.id);`
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for _, row := range hashes {
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stmtString += "?,"
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values = append(values, row)
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}
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stmtString = stmtString[0:len(stmtString)-1] + ")"
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stmt, e = DB.Prepare(stmtString)
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if e != nil {
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return dirtyFiles, e
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}
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result, e = stmt.Query(values...)
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if e != nil {
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return dirtyFiles, e
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}
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defer result.Close()
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for result.Next() {
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var id string
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var hash string
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e = result.Scan(&id, &hash)
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if e != nil {
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return dirtyFiles, e
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}
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fmt.Println(id, hash)
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dirtyFiles = append(dirtyFiles, hash)
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}
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e = result.Err()
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return dirtyFiles, e
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}
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*/
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