timeserie-query.json

{
  "collection": "movies",
  "aggregations": [
    {
      "$match": {
        "released": {
          "$gte": $from,
          "$lte": $to
        },
        "genres": { "$elemMatch": { "$eq": "Comedy" } }
      }
    },
    {
      "$group": {
        "_id": {
          "year": { "$year": "$released" },
          "month": { "$month": "$released" }
        },
        "__value": { "$sum": 1 }
      }
    },
    {
      "$addFields": {
        "__name": { "$literal": "movies in month" },
        "__timestamp": {
          "$dateFromString": {
            "dateString": {
              "$concat": [
                { "$toString": "$_id.year" },
                "-",
                {
                  "$toString": {
                    "$cond": {
                      "if": { "$lte": ["$_id.month", 9] },
                      "then": "0",
                      "else": ""
                    }
                  }
                },
                { "$toString": "$_id.month" },
                "-01"
              ]
            },
            "format": "%Y-%m-%d"
          }
        }
      }
    },
    {
      "$sort": { "__timestamp": 1 }
    },
    {
      "$project": { "_id": 0 }
    }
  ]
}