sudoku-funpark/export/renderJSON.go

package export

import (
	"encoding/json"
)

// Render JSON output.
func (export *Export) renderJSON() (render string) {
	type solution_type map[string]any
	solutions := make([]solution_type, 0)

	for solutionIndex, solution := range export.Controller.Solutions {
		solutionMap := map[string]any{
			"order": solutionIndex,
			"row1":  solution[0],
			"row2":  solution[1],
			"row3":  solution[2],
			"row4":  solution[3],
			"row5":  solution[4],
			"row6":  solution[5],
			"row7":  solution[6],
			"row8":  solution[7],
			"row9":  solution[8],
		}
		solutions = append(solutions, solutionMap)
	}
	renderBytes, err := json.Marshal(solutions)
	if err != nil {
		export.Controller.Outputter.Println("ERROR: json.Marshal error:", err)
		export.Controller.Outputter.Println("Printing solution as-is:", solutions)
		return ""
	}
	render = string(renderBytes)
	return
}