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author | =Corey Hulen <corey@hulen.com> | 2015-06-14 23:53:32 -0800 |
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committer | =Corey Hulen <corey@hulen.com> | 2015-06-14 23:53:32 -0800 |
commit | 56e74239d6b34df8f30ef046f0b0ff4ff0866a71 (patch) | |
tree | 044da29848cf0f5c8607eac34de69065171669cf /model/post_list.go | |
download | chat-56e74239d6b34df8f30ef046f0b0ff4ff0866a71.tar.gz chat-56e74239d6b34df8f30ef046f0b0ff4ff0866a71.tar.bz2 chat-56e74239d6b34df8f30ef046f0b0ff4ff0866a71.zip |
first commit
Diffstat (limited to 'model/post_list.go')
-rw-r--r-- | model/post_list.go | 91 |
1 files changed, 91 insertions, 0 deletions
diff --git a/model/post_list.go b/model/post_list.go new file mode 100644 index 000000000..88e3a9193 --- /dev/null +++ b/model/post_list.go @@ -0,0 +1,91 @@ +// Copyright (c) 2015 Spinpunch, Inc. All Rights Reserved. +// See License.txt for license information. + +package model + +import ( + "encoding/json" + "io" +) + +type PostList struct { + Order []string `json:"order"` + Posts map[string]*Post `json:"posts"` +} + +func (o *PostList) ToJson() string { + b, err := json.Marshal(o) + if err != nil { + return "" + } else { + return string(b) + } +} + +func (o *PostList) MakeNonNil() { + if o.Order == nil { + o.Order = make([]string, 0) + } + + if o.Posts == nil { + o.Posts = make(map[string]*Post) + } + + for _, v := range o.Posts { + v.MakeNonNil() + } +} + +func (o *PostList) AddOrder(id string) { + + if o.Order == nil { + o.Order = make([]string, 0, 128) + } + + o.Order = append(o.Order, id) +} + +func (o *PostList) AddPost(post *Post) { + + if o.Posts == nil { + o.Posts = make(map[string]*Post) + } + + o.Posts[post.Id] = post +} + +func (o *PostList) Etag() string { + + id := "0" + var t int64 = 0 + + for _, v := range o.Posts { + if v.UpdateAt > t { + t = v.UpdateAt + id = v.Id + } + } + + return Etag(id, t) +} + +func (o *PostList) IsChannelId(channelId string) bool { + for _, v := range o.Posts { + if v.ChannelId != channelId { + return false + } + } + + return true +} + +func PostListFromJson(data io.Reader) *PostList { + decoder := json.NewDecoder(data) + var o PostList + err := decoder.Decode(&o) + if err == nil { + return &o + } else { + return nil + } +} |