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package sws
import (
"net"
"sort"
maxminddb "github.com/oschwald/maxminddb-golang"
)
type Country struct {
Name string `json:"name"`
hitSet *HitSet
}
type CountrySet []*Country
func NewCountrySet(hs *HitSet) *CountrySet {
tmp := make(map[string]*Country)
for _, h := range hs.Hits() {
if h.CountryCode == nil {
continue
}
cc := *h.CountryCode
if _, ok := tmp[cc]; ok {
// Already captured this country
continue
}
b := &Country{
Name: cc,
//LastSeenAt: h.CreatedAt,
hitSet: hs.Filter(func(t *Hit) bool {
return t.CountryCode != nil && *t.CountryCode == cc
}),
}
tmp[cc] = b
}
if len(tmp) < 1 {
return nil
}
out := make([]*Country, len(tmp))
i := 0
for _, b := range tmp {
out[i] = b
i++
}
cs := CountrySet(out)
return &cs
}
func (cs *CountrySet) SortByHits() {
sort.Slice(*cs, func(i, j int) bool {
return (*cs)[i].hitSet.Count() > (*cs)[j].hitSet.Count()
})
}
func (c Country) Label() string {
return c.Name
}
func (c Country) Count() int {
return c.hitSet.Count()
}
func (cs CountrySet) Count() int {
return len(cs)
}
func (cs CountrySet) YMax() int {
max := 0
for _, c := range cs {
if c.hitSet.Count() > max {
max = c.hitSet.Count()
}
}
return max
}
func (cs CountrySet) YSum() int {
sum := 0
for _, c := range cs {
sum += c.hitSet.Count()
}
return sum
}
func (cs CountrySet) XSeries() []*Country {
return cs
}
func FetchCountryCode(path, host string) (*string, error) {
db, err := maxminddb.Open(path)
if err != nil {
return nil, err
}
defer db.Close()
ip := net.ParseIP(host)
var r struct {
Country struct {
ISOCode string `maxminddb:"iso_code"`
} `maxminddb:"country"`
}
if err := db.Lookup(ip, &r); err != nil {
return nil, err
}
return &r.Country.ISOCode, nil
}
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