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// Copyright (c) 2015 Spinpunch, Inc. All Rights Reserved.
// See License.txt for license information.
package model
import (
"encoding/json"
"io"
)
type ChannelList struct {
Channels []*Channel `json:"channels"`
Members map[string]*ChannelMember `json:"members"`
}
func (o *ChannelList) ToJson() string {
b, err := json.Marshal(o)
if err != nil {
return ""
} else {
return string(b)
}
}
func (o *ChannelList) Etag() string {
id := "0"
var t int64 = 0
var delta int64 = 0
for _, v := range o.Channels {
if v.LastPostAt > t {
t = v.LastPostAt
id = v.Id
}
if v.UpdateAt > t {
t = v.UpdateAt
id = v.Id
}
member := o.Members[v.Id]
if member != nil {
max := v.LastPostAt
if v.UpdateAt > max {
max = v.UpdateAt
}
delta += max - member.LastViewedAt
if member.LastViewedAt > t {
t = member.LastViewedAt
id = v.Id
}
if member.LastUpdateAt > t {
t = member.LastUpdateAt
id = v.Id
}
}
}
return Etag(id, t, delta, len(o.Channels))
}
func ChannelListFromJson(data io.Reader) *ChannelList {
decoder := json.NewDecoder(data)
var o ChannelList
err := decoder.Decode(&o)
if err == nil {
return &o
} else {
return nil
}
}
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