1 files changed, 63 insertions, 0 deletions
diff --git a/tools/front_page.lua b/tools/front_page.lua
new file mode 100644
index 0000000..37ed783
--- /dev/null
+++ b/tools/front_page.lua
@@ -0,0 +1,63 @@
+
+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