chore: Implement joins with golang templates (#6429)

* feat: Implement view for workspace builds to include rbac info

* Removes the need to fetch the workspace to run an rbac check.
* chore: Use workspace build as RBAC object
* chore: Use golang templates instead of sqlc files

coderd/database/sqlxqueries/sqlx.go

@@ -0,0 +1,72 @@
+package sqlxqueries
+
+import (
+	"context"
+
+	"github.com/jmoiron/sqlx"
+
+	"golang.org/x/xerrors"
+)
+
+// constructQuery will return a SQL query by the given template name.
+// It will also return the arguments in order for the query based on the input
+// argument.
+func constructQuery(queryName string, argument any) (string, []any, error) {
+	// No argument was given, use an empty struct.
+	if argument == nil {
+		argument = struct{}{}
+	}
+
+	query, err := query(queryName, argument)
+	if err != nil {
+		return "", nil, xerrors.Errorf("get query: %w", err)
+	}
+
+	query, args, err := bindNamed(query, argument)
+	if err != nil {
+		return "", nil, xerrors.Errorf("bind named: %w", err)
+	}
+	return query, args, nil
+}
+
+// SelectContext runs the named query on the given database.
+// If the query returns no rows, an empty slice is returned.
+func SelectContext(ctx context.Context, q sqlx.QueryerContext, queryName string, argument any, res any) error {
+	if q == nil {
+		return xerrors.New("queryer is nil")
+	}
+
+	query, args, err := constructQuery(queryName, argument)
+	if err != nil {
+		return xerrors.Errorf("get query: %w", err)
+	}
+
+	err = sqlx.SelectContext(ctx, q, res, query, args...)
+	if err != nil {
+		return xerrors.Errorf("%s: %w", queryName, err)
+	}
+
+	return nil
+}
+
+// GetContext runs the named query on the given database.
+// If the query returns no rows, sql.ErrNoRows is returned.
+func GetContext(ctx context.Context, q sqlx.QueryerContext, queryName string, argument interface{}, res any) error {
+	if q == nil {
+		return xerrors.New("queryer is nil")
+	}
+
+	query, args, err := constructQuery(queryName, argument)
+	if err != nil {
+		return xerrors.Errorf("get query: %w", err)
+	}
+
+	// GetContext maps the results of the query to the items slice by struct
+	// db tags.
+	err = sqlx.GetContext(ctx, q, res, query, args...)
+	if err != nil {
+		return xerrors.Errorf("%s: %w", queryName, err)
+	}
+
+	return nil
+}