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// Copyright (c) 2015 Spinpunch, Inc. All Rights Reserved.
// See License.txt for license information.
package model
import (
"crypto/md5"
"encoding/json"
"fmt"
"io"
"sort"
"strconv"
)
type ChannelCounts struct {
Counts map[string]int64 `json:"counts"`
UpdateTimes map[string]int64 `json:"update_times"`
}
func (o *ChannelCounts) Etag() string {
ids := []string{}
for id := range o.Counts {
ids = append(ids, id)
}
sort.Strings(ids)
str := ""
for _, id := range ids {
str += id + strconv.FormatInt(o.Counts[id], 10)
}
md5Counts := fmt.Sprintf("%x", md5.Sum([]byte(str)))
var update int64 = 0
for _, u := range o.UpdateTimes {
if u > update {
update = u
}
}
return Etag(md5Counts, update)
}
func (o *ChannelCounts) ToJson() string {
b, err := json.Marshal(o)
if err != nil {
return ""
} else {
return string(b)
}
}
func ChannelCountsFromJson(data io.Reader) *ChannelCounts {
decoder := json.NewDecoder(data)
var o ChannelCounts
err := decoder.Decode(&o)
if err == nil {
return &o
} else {
return nil
}
}
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