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category.go
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category.go
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/*
* Copyright (c) 2020, nwillc@gmail.com
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
package model
import (
"sort"
"strings"
)
// Category is a named set of Snippets
type Category struct {
Name string // category name
Snippets Snippets // snippets in the category
}
// Categories is a collection of Category
type Categories []Category
// SetCategories is an interface indicating the ability to set Categories
type SetCategories interface {
Categories(categories *Categories)
}
// Categories implements sort.Interface
var _ sort.Interface = (*Categories)(nil)
// ToSnippets will collect all the Snippets in the Categories
func (c Categories) ToSnippets() *Snippets {
var snippets Snippets
for _, category := range c {
snippets = append(snippets, category.Snippets...)
}
return &snippets
}
// Len returns the length of the Categories
func (c Categories) Len() int {
return len(c)
}
// Less compares two Category in the Categories and returns bool true if i is less than j
func (c Categories) Less(i, j int) bool {
return strings.ToLower(c[i].Name) < strings.ToLower(c[j].Name)
}
// Swap two Category in Categories
func (c Categories) Swap(i, j int) { c[i], c[j] = c[j], c[i] }