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local function load_notes(note_list)
local notes = {}
for note in string.gmatch(note_list, "%S+") do
table.insert(notes, note)
end
return notes
end
local function get_note(note_name)
local file = io.open(string.format("build/%s.meta", note_name), "r")
local note = {}
for line in file:lines() do
local sep = string.find(line, ",")
local index = string.sub(line, 1, sep-1)
local content = string.sub(line, sep+1, -1)
note[index] = content
end
note["note_name"] = note_name
file:close()
return note
end
local function compare_note_dates(a, b)
return a.last_edit > b.last_edit
end
function Pandoc(doc)
doc.meta["front_page"] = true
local notes = {}
local note_names = load_notes(doc.meta["note_list"])
for index, note in ipairs(note_names) do
table.insert(notes, get_note(note))
end
table.sort(notes, compare_note_dates)
local output = pandoc.MetaList({})
for index,note in ipairs(notes) do
local out_list = {}
if note["cover_image"] ~= nil then
local image = pandoc.RawBlock("html", string.format("<img src=\"%s\">", note.cover_image))
table.insert(out_list, image)
end
local header = pandoc.Header(2, note.title)
table.insert(out_list, header)
table.insert(out_list, pandoc.Para(string.format("%s...", note.preview)))
local out = pandoc.MetaBlocks(out_list)
output:insert(pandoc.MetaMap({link=string.format("/notes/%s.html", note.note_name), note=out}))
end
doc.meta["notes"] = output
return pandoc.Pandoc(doc.blocks, doc.meta)
end
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