How can I do a conditional Mongoose query that uses AND and OR?


This question already has an answer here:



You could do the following, by using the mongodb Logical Query Operators directly like this:

      $and: [
          { $or: [{date_begin: null}, {date_begin: {$lte : today}}] },
          { $or: [{date_end: null}, {date_end: {$gte : tommorow}}] }
  }, function (err, results) {

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