blog source pure

1var (
2	ErrPostTitleMissing  = errors.New("post title is missing")
3	ErrPostSlugMissing   = errors.New("post slug is missing")
4	ErrPostBodyMissing   = errors.New("post body is missing")
5	ErrPostSlugExists    = errors.New("post with specified slug already exists")
6	ErrPostPubDateExists = errors.New("post with specified publication date exists")
7	ErrPostTitleExists   = errors.New("post with specified title already exists")
8	ErrNoSuchPost        = errors.New("no such post")
9)

1type Blog struct {
2	Title             string
3	Prefix            string   // i.e. r/gnoland/blog:
4	Posts             avl.Tree // slug -> *Post
5	PostsPublished    avl.Tree // published-date -> *Post
6	PostsAlphabetical avl.Tree // title -> *Post
7	NoBreadcrumb      bool
8}

1type Comment struct {
2	Post      *Post
3	CreatedAt time.Time
4	Author    address
5	Comment   string
6}

 1type Post struct {
 2	Blog         *Blog
 3	Slug         string // FIXME: save space?
 4	Title        string
 5	Body         string
 6	CreatedAt    time.Time
 7	UpdatedAt    time.Time
 8	Comments     avl.Tree
 9	Authors      []string
10	Publisher    address
11	Tags         []string
12	CommentIndex int
13}