What is the best way to create a search function that can filter objects based on both their years and months of investment?

I recently created a website and I'm struggling with searching through multidimensional arrays or objects (I'm not sure what the difference is).

Prior to adding the year and month, I was able to access them directly by using array[id][field].

Can someone guide me on how to implement search within nested structures in a multidimensional array?

I attempted to pre-set the year and month with additional fields in the interface, but it ended up looking confusing and bizarre.

{
  "2018": {
    "Aug": {
      "1": {
        "id": 1,
        "appeal_date": "2018-08-24",
        "city_of_residence": "aaa",
        "patient_name": "John",
        "patient_age": 62,
        "coordinator": "aaa",
        "source": "aaa",
        "birth_date": "1956-06-30",
        "contact_person_name": "",
        "contact_person_role": "",
        "contact_person_phones": [
          "",
          ""
        ],
        "diagnosis": "aasasd",
        "status": "9",
        "departure_date": "2016-02-18",
        "arrival_date": "2020-01-23",
        "patient_phones": [
          "",
          ""
        ],
        "editable": true
      }
    }
  },
  "2019": {
    "Oct": {
      "65": {
        "id": 65,
        "appeal_date": "2019-10-18",
        "city_of_residence": "asfsac",
        "patient_name": "asvsas",
        "patient_age": 62,
        "coordinator": "",
        "source": "asfasfa",
        "birth_date": "1956-06-30",
        "contact_person_name": "",
        "contact_person_role": "",
        "contact_person_phones": "",
        "diagnosis": "assdbcx",
        "status": "1",
        "departure_date": "",
        "arrival_date": "",
        "patient_phones": "",
        "editable": true
      }
    },
    "Jun": {
      "64": {
        "id": 64,
        "appeal_date": "2019-06-04",
        "city_of_residence": "afsfsa",
        "patient_name": "asvac",
        "patient_age": 62,
        "coordinator": "",
        "source": "agwdawdawd",
        "birth_date": "1956-06-30",
        "contact_person_name": "",
        "contact_person_role": "",
        "contact_person_phones": "",
        "diagnosis": "agsags",
        "status": "1",
        "departure_date": "",
        "arrival_date": "",
        "patient_phones": "",
        "editable": true
      }
    }
  }
}

All I need is to update some fields within the correct object.

patients[2019]['Oct'][65]['diagnosis'] = 'aaaaa'

Something like this, but there might be instances where the patient isn't in the specific month mentioned.

I would prefer the functionality to look like this:

patients.nestingSearchByKey(65)['diagnosis'] = 'aaaaa'

The identifiers are unique and do not repeat.

Apologies for any language errors. Any suggestions are greatly appreciated.

javascriptjsonobjectmultidimensional-array

Answer №1

To obtain an array of keys within an object, you can utilize the Object.keys method.

var elements = {
  "2021": {
    "Jan": {
      "12": {
        "id": 12,
        "name": "Alice",
        "age": 30
      }
    }
  },
  "2022": {
    "Mar": {
      "33": {
        "id": 33,
        "name": "Bob",
        "age": 25
      },
      "45": {
        "id": 45,
        "name": "Carla",
        "age": 40
      }
    }
  }
}

function findElement(obj, id) {
  var element;
  const years = Object.keys(obj);
  years.forEach(year => {
    const months = Object.keys(obj[year]);
    months.forEach(month => {
      if (obj[year][month][id]) {
        element = obj[year][month][id];
      }
    });
  });
  
  return element;
}

const e = findElement(elements, 45);
if (e) {
  e['age'] = 50;
  console.log(elements);
} else {
  console.log('Element with ID 45 not found');
}

Answer №2

Assuming that I have grasped your explanation correctly and you intend to maintain the existing object structure, all you need to do is verify if the patient exists:

var patient = patients[2019]['Oct'][65];

if (patient) {
    patient['diagnosis'] = 'aaaaa';
}

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