78 lines
1.7 KiB
Go
78 lines
1.7 KiB
Go
package mindflow
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import (
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"errors"
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"fmt"
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"strings"
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"time"
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"git.arav.su/Arav/dwelling-home/pkg/util"
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)
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type Category struct {
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ID int64
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Name string
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}
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func NewCategory(name string) (*Category, error) {
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if name == "" {
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return nil, errors.New("category's name should not be empty")
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}
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return &Category{Name: name}, nil
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}
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type Post struct {
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ID int64
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Category Category
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Date time.Time
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Title string
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URL string
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Body string
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}
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func NewPost(category Category, title, url, body string) (*Post, error) {
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if title == "" || body == "" {
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return nil, errors.New("empty title or body is not allowed")
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}
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return &Post{
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Category: category,
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Date: time.Now().UTC(),
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Title: title,
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URL: url,
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Body: body}, nil
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}
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func (p *Post) PostID() string {
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name := strings.ToLower(p.Category.Name)
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name = strings.ReplaceAll(name, " ", ".")
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return fmt.Sprint(name, "-", p.Date.UTC().Format("20060102-150405"))
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}
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func (p *Post) PostURL(host string, rss bool) string {
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if p.URL != "" {
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if p.URL[0] == ':' {
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lastColon := strings.IndexByte(p.URL[1:], ':')
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service := p.URL[1 : lastColon+1]
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return strings.Replace(p.URL, p.URL[:lastColon+2],
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util.GetServiceByHost(host, service), 1)
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} else if rss && p.URL[0] == '/' {
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return util.GetServiceByHost(host, "") + p.URL
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}
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} else if p.URL == "" && rss {
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return util.GetServiceByHost(host, "") + "/mindflow#" + p.PostID()
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}
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return p.URL
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}
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type Mindflow interface {
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NewPost(post *Post) error
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EditPost(post *Post) error
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DeletePost(id int64) error
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Posts() ([]Post, error)
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NewCategory(category *Category) (int64, error)
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EditCategory(category *Category) error
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DeleteCategory(id int64) error
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Categories() ([]Category, error)
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Close() error
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}
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