Personalize a pontuação dos documentos nos resultados

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db.movies.aggregate([{
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    "$search": {
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      "text": {
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        "query": "Helsinki",
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        "path": "plot"
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      }
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    }
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  },
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  {
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    "$limit": 5
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  },
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  {
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    "$project": {
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      "_id": 0,
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      "title": 1,
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      "score": 1,
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      "maxScore": 1,
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      "normalizedScore": 1
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    }
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  },
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  {
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    "$addFields": {
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      "score": {
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        "$meta": "searchScore"
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      }
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    }
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  },
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  {
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    "$setWindowFields": {
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      "output": {
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        "maxScore": {
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          "$max": "$score"
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        }
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      }
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    }
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  },
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  {
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    "$addFields": {
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      "normalizedScore": {
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        "$divide": [
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          "$score", "$maxScore"
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        ]
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      }
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    }
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}])

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db.movies.aggregate([{
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    "$search": {
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      "text": {
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        "path": "title",
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        "query": "men",
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        "score": {
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          "function":{
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            "multiply":[
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              {
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                "path": {
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                  "value": "imdb.rating",
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                  "undefined": 2
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                }
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              },
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              {
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                "score": "relevance"
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              }
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            ]
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          }
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        }
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      }
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    }
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  },
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  {
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    "$limit": 5
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  },
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  {
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    "$addFields": {
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      "score": {
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        "$meta": "searchScore"
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      }
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    }
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  },
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  {
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    "$setWindowFields": {
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      "output": {
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        "maxScore": {
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          "$max": "$score"
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        }
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      }
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    }
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  },
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  {
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    "$addFields": {
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      "normalizedScore": {
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        "$divide": [
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          "$score", "$maxScore"
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        ]
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      }
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    }
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  },
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  {
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    "$project": {
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      "_id": 0,
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      "title": 1,
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      "score": 1,
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      "maxScore": 1,
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      "normalizedScore": 1
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    }
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}])

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db.movies.aggregate([{
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    "$search": {
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      "text": {
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        "path": "title",
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        "query": "shop",
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        "score": {
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          "function":{
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            "gauss": {
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              "path": {
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                "value": "imdb.rating",
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                "undefined": 4.6
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              },
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              "origin": 9.5,
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              "scale": 5,
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              "offset": 0,
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              "decay": 0.5
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            }
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          }
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        }
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      }
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    }
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  },
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  {
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    "$limit": 5
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  },
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  {
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    "$addFields": {
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      "score": {
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        "$meta": "searchScore"
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      }
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    }
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  },
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  {
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    "$setWindowFields": {
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      "output": {
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        "maxScore": {
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          "$max": "$score"
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        }
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      }
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    }
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  },
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  {
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    "$addFields": {
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      "normalizedScore": {
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        "$divide": [
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          "$score", "$maxScore"
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        ]
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      }
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    }
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  },
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  {
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    "$project": {
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      "_id": 0,
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      "title": 1,
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      "score": 1,
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      "maxScore": 1,
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      "normalizedScore": 1
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    }
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}])

1
db.movies.aggregate([{
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    "$search": {
3
      "text": {
4
        "path": "title",
5
        "query": "men",
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        "score": {
7
          "function":{
8
            "path": {
9
              "value": "imdb.rating",
10
              "undefined": 4.6
11
            }
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          }
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        }
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      }
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    }
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  },
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  {
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    "$limit": 5
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  },
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  {
21
    "$addFields": {
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      "score": {
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        "$meta": "searchScore"
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      }
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    }
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  },
27
  {
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    "$setWindowFields": {
29
      "output": {
30
        "maxScore": {
31
          "$max": "$score"
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        }
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      }
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    }
35
  },
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  {
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    "$addFields": {
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      "normalizedScore": {
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        "$divide": [
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          "$score", "$maxScore"
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        ]
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      }
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    }
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  },
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  {
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    "$project": {
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      "_id": 0,
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      "title": 1,
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      "score": 1,
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      "maxScore": 1,
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      "normalizedScore": 1
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    }
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}])

1
db.movies.aggregate([{
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    "$search": {
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        "text": {
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          "path": "title",
5
          "query": "men",
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          "score": {
7
            "function": {
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              "log": {
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                "path": {
10
                "value": "imdb.rating",
11
                "undefined": 10
12
                }
13
              }
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            }
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          }
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        }
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      }
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    },
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    {
20
      "$limit": 5
21
    },
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    {
23
      "$addFields": {
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        "score": {
25
          "$meta": "searchScore"
26
        }
27
      }
28
    },
29
    {
30
      "$setWindowFields": {
31
        "output": {
32
          "maxScore": {
33
            "$max": "$score"
34
          }
35
        }
36
      }
37
    },
38
    {
39
      "$addFields": {
40
        "normalizedScore": {
41
          "$divide": [
42
              "$score", "$maxScore"
43
        ]
44
        }
45
      }
46
    },
47
    {
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      "$project": {
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        "_id": 0,
50
        "title": 1,
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        "score": 1,
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        "maxScore": 1,
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        "normalizedScore": 1
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      }
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    }
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])