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init.go
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init.go
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package db
import (
"database/sql"
_ "github.com/mattn/go-sqlite3"
)
func CreateConnection(databaseFile string) (*sql.DB, error) {
conn, err := sql.Open("sqlite3", databaseFile)
if err != nil {
return nil, err
}
return conn, nil
}
func CreateDB(conn *sql.DB) error {
createContentTable := `
CREATE TABLE IF NOT EXISTS content (
id INTEGER PRIMARY KEY,
location TEXT NOT NULL,
content BLOB,
cookie TEXT
);
`
_, err := conn.Exec(createContentTable)
if err != nil {
return err
}
return nil
}
func InsertContent(conn *sql.DB, location, content string, cookie string) (int64, error) {
sql := `
INSERT INTO content(location, content, cookie)
VALUES(?, ?, ?)
`
result, err := conn.Exec(sql, location, content, cookie)
if err != nil {
return 0, err
}
lastID, err := result.LastInsertId()
if err != nil {
return 0, err
}
return lastID, nil
}
func GetContent(conn *sql.DB, location string) (string, string, error) {
sql := `
SELECT content
FROM content
WHERE location = ?
`
var content string
err := conn.QueryRow(sql, location).Scan(&content)
if err != nil {
return "", "", err
}
sql2 := `
SELECT cookie
FROM content
WHERE location = ?
`
var cookie string
err = conn.QueryRow(sql2, location).Scan(&cookie)
if err != nil {
return "", "", err
}
return content, cookie, nil
}
func GetLocations(conn *sql.DB) ([]string, error) {
sql := `
SELECT DISTINCT location
FROM content
`
rows, err := conn.Query(sql)
if err != nil {
return nil, err
}
defer rows.Close()
var locations []string
for rows.Next() {
var location string
err := rows.Scan(&location)
if err != nil {
return nil, err
}
locations = append(locations, location)
}
return locations, nil
}