logarion-2021/app/convert.ml

73 lines
3.3 KiB
OCaml

let version = "%%VERSION%%"
open Logarion
module A = Archive.Make (Logarion.File_store)
let file_when_changed source dest fn title text =
if (try Unix.((stat dest).st_mtime < (stat source).st_mtime) with _-> true) then
File_store.file dest (fn title text)
let writer types dir name acc (text,store_item) = (* todo: single_parser -> [files] *)
let open Logarion in
match Text.(str "Content-Type" text) with
| "" | "text/plain" ->
let filename = dir ^ "/" ^ Text.alias text in
(* let idfilename = dir ^ "/" ^ Id.to_string text.Text.uuid ^ ".txt" in*)
(* file_when_changed store_item idfilename (fun _title -> Text.to_string) text.title text;*)
if "htm" = types || "all" = types then file_when_changed store_item (filename ^ ".htm") (Html.page "") name text;
if "gmi" = types || "all" = types then file_when_changed store_item (filename ^ ".gmi") Gemini.page name text;
(acc + 1)
| x -> prerr_endline ("No converter for Content-Type: " ^ x ^ ", for " ^ text.Text.title); acc
let index_writer types dir archive topic_roots topic_map indexed_texts =
let name = archive.A.name in
let file path = File_store.file (dir ^ path) in
file "/index.pck" (Header_pack.pack archive indexed_texts);
if "htm" = types || "all" = types then (
file "/index.html" (Html.topic_main_index name topic_roots indexed_texts);
List.iter
(fun topic -> file ("/index." ^ topic ^ ".htm") (Html.topic_sub_index name topic_map topic indexed_texts))
topic_roots;
file "/index.date.htm" (Html.date_index name indexed_texts);
);
let base_url = try Store.KV.find "HTTP-URL" archive.File_store.kv
with Not_found -> prerr_endline "Missing `HTTP-URL:` in config"; ""
in
file "/feed.atom" (Atom.feed archive.A.name archive.A.id base_url indexed_texts);
if "gmi" = types || "all" = types then file "/index.date.gmi" (Gemini.date_index name indexed_texts)
let convert_all types dir archive =
let name = archive.A.name in
let topic_map, indexed_metas, count =
let topic_map = Logarion.Topic_set.Map.empty in
let fn (ts,ls,acc) ((elt,_) as r) =
Logarion.(Topic_set.to_map ts (Text.set "topics" elt)), elt::ls, writer types dir name acc r in
A.(fold ~order:newest fn (topic_map,[],0) archive) in
let topic_roots = Logarion.Topic_set.roots topic_map in
index_writer types dir archive topic_roots topic_map indexed_metas;
print_endline @@ "Converted: " ^ string_of_int (count) ^ "\nIndexed: " ^ string_of_int (List.length indexed_metas);
Ok ()
let convert_dir types cmd_dir =
let (>>=) = Result.bind in
let with_dir dir =
Result.map_error (function `Msg m -> m)
Logarion.File_store.Directory.(directory dir |> print ~descr:"export" dir) in
(A.of_path "."
>>= fun archive -> (match cmd_dir with "" -> Error "unspecified export dir" | x -> Ok x)
>>= fun dir -> with_dir dir
>>= fun _ -> convert_all types dir { archive with store = dir })
|> function Ok () -> () | Error x -> prerr_endline x
open Cmdliner
let term =
let directory = Arg.(value & pos 0 string ""
& info [] ~docv:"target directory" ~doc:"Directory to convert into") in
let types = Arg.(value & opt string "all" & info ["t"; "type"] ~docv:"TYPES" ~doc:"Convert to type") in
Term.(const convert_dir $ types $ directory),
Term.info
"convert" ~doc:"convert archive"
~man:[ `S "DESCRIPTION"; `P "Convert Logarion archive" ]