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package main
import (
"fmt"
"sort"
mgo "gopkg.in/mgo.v2"
"gopkg.in/mgo.v2/bson"
)
type Artist struct {
Name string `json:"name"`
Tags []struct {
Count int `json:"count"`
Value string `json:"value"`
} `json:"tags"`
Rating struct {
Count int `json:"count"`
Value int `json:"value"`
} `json:"rating"`
SortName string `json:"sort_name"`
Ended bool `json:"ended"`
Gid string `json:"gid"`
ID int `json:"id"`
Area string `json:"area"`
Aliases []struct {
Name string `json:"name"`
SortName string `json:"sort_name"`
} `json:"aliases"`
Begin struct {
Year int `json:"year"`
Month int `json:"month"`
Date int `json:"date"`
} `json:"begin"`
End struct {
Year int `json:"year"`
Month int `json:"month"`
Date int `json:"date"`
} `json:"end"`
Gender string `json:"gender"`
Type string `json:"type"`
}
func main() {
// connect to mongodb
session, err := mgo.Dial("mongodb://localhost")
if err != nil {
panic(err)
}
defer session.Close()
db := session.DB("MusicBrainz")
col := db.C("artist")
query := col.Find(bson.M{"tags.value": "dance"})
var artists []Artist
query.All(&artists)
sort.Slice(artists, func(i, j int) bool {
return artists[i].Rating.Count < artists[j].Rating.Count
})
for i := 0; i < 10; i++ {
fmt.Println(artists[len(artists)-i-1].Name)
}
}
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