makeData method

dynamic makeData(List properties, { int? parentId = -1, })

Implementation

dynamic makeData(List properties, {int? parentId = -1}){
  Map data = {};
  List propertiesCopy = List.from(properties);
  int len = properties.length;
  int removeCount = 0;
  for(int i = 0; i < len; i++) {
    Map v = properties[i];

    if(v['parentId'] == parentId) {
      propertiesCopy.removeAt(i - removeCount);
      removeCount++;
      String? type = v['type'];
      String? rule = v['rule'] == null || v['rule'] == '' ? '0' : v['rule'];
      dynamic index = v['name'];
      switch(type) {
        case 'Boolean': {
          data[index] = Random().nextInt(1) > 0;
        }break;
        case 'Number': {
          if(rule!.contains('-')) {
            List ranges = rule.split('-');
            int min = int.parse(ranges[0]);
            int max = int.parse(ranges[1]);
            data[index] = min + Random().nextInt(max - min >= 1 ? max - min : 1);
          }else {
            int iRule = int.parse(rule);
            data[index] = iRule >= 1 ? Random().nextInt(iRule) : iRule;
          }
        }break;
        case 'String': {
          List set = ['a', 'b', 'c', 'd', 'e', 'f',
            'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n',
            'o', 'p', 'p', 'q', 'r', 't', 'u', 'v',
            'w', 'x', 'y', 'z', '0', '1', '2', '3',
            '4', '5', '6', '7', '8', '9'];
          int nums;
          if(rule!.contains('-')) {
            List ranges = rule.split('-');
            int min = int.parse(ranges[0]);
            int max = int.parse(ranges[1]);
            nums = min + Random().nextInt(max - min >= 1 ? max - min : 1);
          }else {
            int iRule = int.parse(rule);
            nums = iRule >= 1 ? Random().nextInt(iRule) : iRule;
          }
          data[index] = List.generate(nums, (index){
            return set[Random().nextInt(35)];
          }).join();
        }break;
        case 'Array': {
          int nums;
          if(rule!.contains('-')) {
            List ranges = rule.split('-');
            int min = int.parse(ranges[0]);
            int max = int.parse(ranges[1]);
            nums = min + Random().nextInt(max - min >= 1 ? max - min : 1);
          }else {
            int iRule = int.parse(rule);
            nums = iRule >= 1 ? Random().nextInt(iRule) : iRule;
          }

          List items = [];
          for(int aIndex = 0; aIndex < nums; aIndex++) {
            items.add(makeData(propertiesCopy, parentId: v['id']));
          }
          data[index] = items;
        }break;
        case 'Object': {
          data[index] = makeData(propertiesCopy, parentId: v['id']);
        }break;
      }
    }
  }
  return data;
}