1. module mongoose-findorcreate
   1. function mongoose-findorcreate (schema, options)

module mongoose-findorcreate

function mongoose-findorcreate (schema, options)

• description and source-code

  function findOrCreatePlugin(schema, options) {
    schema.statics.findOrCreate = function findOrCreate(conditions, doc, options, callback) {
      if (arguments.length < 4) {
        if (typeof options === 'function') {
          // Scenario: findOrCreate(conditions, doc, callback)
          callback = options;
          options = {};
        } else if (typeof doc === 'function') {
          // Scenario: findOrCreate(conditions, callback);
          callback = doc;
          doc = {};
          options = {};
        }
      }
      var self = this;
      this.findOne(conditions, function(err, result) {
        if(err || result) {
          if(options && options.upsert && !err) {
            self.update(conditions, doc, function(err, count){
              self.findOne(conditions, function(err, result) {
                callback(err, result, false);
              });
            })
          } else {
            callback(err, result, false)
          }
        } else {
          for (var key in doc) {
           conditions[key] = doc[key];
          }
  
          // If the value contain `$` remove the key value pair
          var keys = Object.keys(conditions);
  
          for (var z = 0; z < keys.length; z++){
            if (JSON.stringify(conditions[keys[z]]).indexOf('$') !== -1) {
              delete conditions[keys[z]];
            }
          };
  
          var obj = new self(conditions)
          obj.save(function(err) {
            callback(err, obj, true);
          });
        }
      })
    }
  }

• example usage

  n/a