Async pouchdb wrapper to put and get data26.11.20

async function get_rev(db,doc_name)
{
  try
  {
    let d1 = await db.get(doc_name);
    return d1['_rev'];
  }
  catch (err)
  {
    try
    {
      var r = await db.put({_id: '_local/'+ doc_name});
      return r['rev'];
    }
    catch (err)
    {
      console.log(err);
    }
  }
  return false;
}

async function set_doc(db, doc_name, val, rev=false)
{
  try
  {
    if(rev === false)
    {
      let rev = await get_rev(db, doc_name);
    }

let r = await db.put({
        _id: '_local/'+doc_name,
        _rev: rev,
        v: val,
        unix: unixTime = Math.floor(Date.now() / 1000)
    });
    return r['rev'];
  }
  catch(err)
  {
    console.log(err);
  }
  return false;
}

async function get_doc(db, doc_name, api, exp=86400)
{
  let data = [];
  try
  {
    let doc = await db.get('_local/' + doc_name);
    let unix = doc['unix'];
    let now = Math.floor(Date.now() / 1000);
    let to_exp = now - exp;
    let rev = doc['_rev'];
    //console.log(unix);                                                                                                                                                               
    if(unix > to_exp)
    {
      data = doc['v'];
    }
    else
    {
      data = JSON.parse(await aget_api(api));
      await set_doc(db, doc_name, data, rev);
    }
  }
  catch (err)
  {
    data = JSON.parse(await aget_api(api));
    await set_doc(db, doc_name, data);
  }
  return data;
}

https://pouchdb.com/api.html#fetch_document

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Async pouchdb wrapper to put and get data26.11.20

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