49 lines
995 B
Go
49 lines
995 B
Go
package arn
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import (
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"reflect"
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"sort"
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)
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// Postable is a generic interface for Threads, Posts and Messages.
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type Postable interface {
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Likeable
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TitleByUser(*User) string
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HTML() string
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Parent() PostParent
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Posts() []*Post
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CountPosts() int
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TypeName() string
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Creator() *User
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// Use Get prefix for these to avoid a
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// name clash with the internal fields.
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GetID() ID
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GetText() string
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GetCreated() string
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GetParentID() ID
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GetParentType() string
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}
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// ToPostables converts a slice of specific types to a slice of generic postables.
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func ToPostables(sliceOfPosts interface{}) []Postable {
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var postables []Postable
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v := reflect.ValueOf(sliceOfPosts)
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for i := 0; i < v.Len(); i++ {
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postable := v.Index(i).Interface().(Postable)
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postables = append(postables, postable)
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}
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return postables
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}
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// SortPostablesLatestFirst ...
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func SortPostablesLatestFirst(posts []Postable) {
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sort.Slice(posts, func(i, j int) bool {
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return posts[i].GetCreated() > posts[j].GetCreated()
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})
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}
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