feat: sqlc, nix formatting
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@ -9,12 +9,17 @@ import (
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_ "github.com/spotdemo4/dbmate-sqlite-modernc/pkg/driver/sqlite" // Modernc sqlite
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)
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func Migrate(url *url.URL, dbFS *embed.FS) error {
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func Migrate(dsn string, dbFS *embed.FS) error {
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if dbFS == nil {
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return nil
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}
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db := dbmate.New(url)
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dburl, err := url.Parse(dsn)
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if err != nil {
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return err
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}
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db := dbmate.New(dburl)
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db.Driver()
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db.FS = dbFS
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@ -1,74 +0,0 @@
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package database
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import (
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"database/sql"
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"fmt"
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"net/url"
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"runtime"
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_ "github.com/lib/pq" // Postgres
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"github.com/stephenafamo/bob"
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)
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func NewPostgresConnection(url *url.URL) (*bob.DB, error) {
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db, err := sql.Open("postgres", postgresConnectionString(url))
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if err != nil {
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return nil, err
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}
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bobdb := bob.NewDB(db)
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return &bobdb, nil
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}
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func postgresConnectionString(u *url.URL) string {
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hostname := u.Hostname()
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port := u.Port()
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query := u.Query()
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// support socket parameter for consistency with mysql
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if query.Get("socket") != "" {
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query.Set("host", query.Get("socket"))
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query.Del("socket")
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}
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// default hostname
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if hostname == "" && query.Get("host") == "" {
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switch runtime.GOOS {
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case "linux":
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query.Set("host", "/var/run/postgresql")
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case "darwin", "freebsd", "dragonfly", "openbsd", "netbsd":
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query.Set("host", "/tmp")
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default:
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hostname = "localhost"
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}
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}
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// host param overrides url hostname
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if query.Get("host") != "" {
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hostname = ""
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}
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// always specify a port
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if query.Get("port") != "" {
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port = query.Get("port")
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query.Del("port")
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}
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if port == "" {
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switch u.Scheme {
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case "redshift":
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port = "5439"
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default:
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port = "5432"
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}
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}
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// generate output URL
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out, _ := url.Parse(u.String())
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// force scheme back to postgres if there was another postgres-compatible scheme
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out.Scheme = "postgres"
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out.Host = fmt.Sprintf("%s:%s", hostname, port)
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out.RawQuery = query.Encode()
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return out.String()
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}
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@ -2,65 +2,28 @@ package database
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import (
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"database/sql"
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"net/url"
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"regexp"
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"errors"
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"strings"
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"github.com/stephenafamo/bob"
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"github.com/spotdemo4/trevstack/server/internal/sqlc"
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_ "modernc.org/sqlite" // Sqlite
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)
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func NewSQLiteConnection(url *url.URL) (*bob.DB, error) {
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db, err := sql.Open("sqlite", sqliteConnectionString(url))
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func New(dsn string) (*sqlc.Queries, *sql.DB, error) {
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// Validate dsn
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sp := strings.Split(dsn, ":")
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if len(sp) != 2 {
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return nil, nil, errors.New("invalid dsn")
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}
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// Open db
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db, err := sql.Open("sqlite", sp[1])
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if err != nil {
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return nil, err
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return nil, nil, err
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}
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// Create new bob db
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bobdb := bob.NewDB(db)
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// Create new sqlc connection
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sqlc := sqlc.New(db)
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return &bobdb, nil
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}
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// ConnectionString converts a URL into a valid connection string
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func sqliteConnectionString(u *url.URL) string {
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// duplicate URL and remove scheme
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newURL := *u
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newURL.Scheme = ""
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if newURL.Opaque == "" && newURL.Path != "" {
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// When the DSN is in the form "scheme:/absolute/path" or
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// "scheme://absolute/path" or "scheme:///absolute/path", url.Parse
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// will consider the file path as :
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// - "absolute" as the hostname
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// - "path" (and the rest until "?") as the URL path.
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// Instead, when the DSN is in the form "scheme:", the (relative) file
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// path is stored in the "Opaque" field.
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// See: https://pkg.go.dev/net/url#URL
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//
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// While Opaque is not escaped, the URL Path is. So, if .Path contains
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// the file path, we need to un-escape it, and rebuild the full path.
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newURL.Opaque = "//" + newURL.Host + mustUnescapePath(newURL.Path)
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newURL.Path = ""
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}
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// trim duplicate leading slashes
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str := regexp.MustCompile("^//+").ReplaceAllString(newURL.String(), "/")
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return str
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}
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// MustUnescapePath unescapes a URL path, and panics if it fails.
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// It is used during in cases where we are parsing a generated path.
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func mustUnescapePath(s string) string {
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if s == "" {
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panic("missing path")
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}
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path, err := url.PathUnescape(s)
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if err != nil {
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panic(err)
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}
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return path
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return sqlc, db, nil
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}
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