initial commit

database/box.go

@@ -0,0 +1,75 @@
+package database
+
+import (
+	"database/sql"
+	"foobar/model"
+	"time"
+
+	"github.com/google/uuid"
+)
+
+func SelectBox(boxURL model.BoxURL) (model.Box, error) {
+	row := instance.QueryRow(
+		`SELECT id, edit_code, header, private, moderation, created_at, last_updated_at
+		FROM box WHERE url = $1;`,
+		boxURL,
+	)
+	if row.Err() != nil {
+		return model.Box{}, row.Err()
+	}
+	var (
+		id            uuid.UUID
+		edit_code     string
+		header        *model.Markdown
+		private       bool
+		moderation    bool
+		createdAt     time.Time
+		lastUpdatedAt time.Time
+	)
+	err := row.Scan(&id, &edit_code, &header, &private, &moderation, &createdAt, &lastUpdatedAt)
+	if err != nil {
+		return model.Box{}, err
+	}
+	if header == nil {
+		header = new(model.Markdown)
+		*header = ""
+	}
+	return model.NewBox(id, boxURL, edit_code, *header, private, moderation, createdAt, lastUpdatedAt), nil
+}
+
+func UpdateHeader(tx *sql.Tx, boxId uuid.UUID, text model.Markdown) error {
+	result, err := tx.Exec(`UPDATE box SET header = $1 where id = $2`, text, boxId)
+	if err != nil {
+		return err
+	}
+
+	n, err := result.RowsAffected()
+	if err != nil {
+		return err
+	}
+	if n != 1 {
+		return errNoRowsAffected
+	}
+	return nil
+}
+
+func InsertBox(tx *sql.Tx, box model.Box, editCode string, header model.Markdown) error {
+	result, err := tx.Exec(
+		`INSERT INTO box (id, url, edit_code, header, private, moderation, created_at, last_updated_at)
+		VALUES ($1, $2, $3, $4, $5, $6, $7, $8)`,
+		box.ID(), box.Url(), editCode, header, box.Private(), box.Moderation(),
+		box.CreatedAt(), box.LastUpdatedAt(),
+	)
+	if err != nil {
+		return err
+	}
+
+	n, err := result.RowsAffected()
+	if err != nil {
+		return err
+	}
+	if n != 1 {
+		return errNoRowsAffected
+	}
+	return nil
+}