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// USE to show popular USE flags
package useflags
import (
"encoding/json"
"go/types"
"net/http"
"soko/pkg/database"
"soko/pkg/models"
"sort"
"strings"
)
// Popular shows a json encoded list of popular USE flags
func Popular(w http.ResponseWriter, r *http.Request) {
var versions []models.Version
err := database.DBCon.Model(&versions).Column("useflags").Select()
if err != nil {
panic(err)
}
dict:= make(map[string]int)
for _ , version := range versions {
for _ , useflag := range version.Useflags {
if (useflag != "test" && useflag != "doc" && useflag != "debug" && len(strings.Split(useflag, "_")) < 2) {
dict[strings.ReplaceAll(useflag, "+", "")] = dict[strings.ReplaceAll(useflag, "+", "")] + 1
}
}
}
type kv struct {
Key string `json:"name"`
Value int `json:"size"`
Children types.Object `json:"children"`
}
type p struct {
Name string `json:"name"`
Children []kv `json:"children"`
}
var ss []kv
for k, v := range dict {
ss = append(ss, kv{k, v, nil})
}
sort.Slice(ss, func(i, j int) bool {
return ss[i].Value > ss[j].Value
})
popular := p{
Name: "flags",
Children: ss[0:66],
}
b, err := json.Marshal(popular)
w.Header().Set("Content-Type", "application/json")
w.Write(b)
}
|
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