1 Draft = mondelefant.new_class()

2 Draft.table = 'draft'

3

4 -- Many drafts belonging to an initiative

5 Draft:add_reference{

6 mode = 'm1',

7 to = "Initiative",

8 this_key = 'initiative_id',

9 that_key = 'id',

10 ref = 'initiative',

11 }

12

13 -- Many drafts are authored by a member

14 Draft:add_reference{

15 mode = 'm1',

16 to = "Member",

17 this_key = 'author_id',

18 that_key = 'id',

19 ref = 'author',

20 }

21

22 function Draft.object_get:author_name()

23 return self.author and self.author.name or _"Unknown author"

24 end

25

26 -- render draft to html, save it as rendered_draft and return it

27 function Draft.object:render_content()

28 -- local draft for update

29 local draft_lock = Draft:new_selector()

30 :add_where{ "id = ?", self.id }

31 :single_object_mode()

32 :for_update()

33 :exec()

34 -- check if there is already a rendered draft

35 local rendered_draft = RenderedDraft:new_selector()

36 :add_where{ "draft_id = ?", self.id }

37 :add_where{ "format = 'html'" }

38 :optional_object_mode()

39 :exec()

40 if rendered_draft then

41 return rendered_draft

42 end

43 -- create rendered_draft record

44 local rendered_draft = RenderedDraft:new()

45 rendered_draft.draft_id = self.id

46 rendered_draft.format = "html"

47 rendered_draft.content = format.wiki_text(self.content, self.formatting_engine)

48 rendered_draft:save()

49 -- and return it

50 return rendered_draft

51 end

52

53 -- returns rendered version of draft for specific format

54 function Draft.object:get_content(format)

55 -- Fetch rendered_draft record for specified format

56 local rendered_draft = RenderedDraft:new_selector()

57 :add_where{ "draft_id = ?", self.id }

58 :add_where{ "format = ?", format }

59 :optional_object_mode()

60 :exec()

61 -- If this format isn't rendered yet, render it

62 if not rendered_draft then

63 rendered_draft = self:render_content()

64 end

65 -- return rendered content

66 return rendered_draft.content

67 end