Paolo Donadeo
85733544f6
- Accept multiple positional arguments instead of a single required file - Extract `read_file` helper to separate file reading from parsing - Collect all valid reminders across files before printing - Handle per-file errors gracefully without aborting the whole run
64 lines
2.6 KiB
OCaml
64 lines
2.6 KiB
OCaml
open Remind_sync
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module Map = MoreLabels.Map.Make (String)
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(*
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We use a list of events here because there can be multiple events with the same UID, and we want to preserve all of
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them. This is important for handling cases where there are multiple events with the same UID but different properties
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(e.g., due to updates or recurring events or cancellations).
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*)
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let read_file filename =
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let ic = open_in filename in
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let n = in_channel_length ic in
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let s = Bytes.create n in
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really_input ic s 0 n;
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close_in ic;
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Bytes.unsafe_to_string s
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let ical2rem ical_files =
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let good_rems =
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ListLabels.fold_left ~init:[] ical_files ~f:(fun good_rems_acc filename ->
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try
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Printf.eprintf "\nProcessing file: %s\n" filename;
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let file_content = read_file filename in
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match Icalendar.parse file_content with
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| Error e ->
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if e <> ": not enough input" then prerr_endline ("Error parsing iCalendar file: " ^ e);
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good_rems_acc
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| Ok (_, components) -> begin
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let events_map : Icalendar.event list Map.t =
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ListLabels.fold_left ~init:Map.empty components ~f:(fun acc comp ->
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match comp with
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| `Event ev ->
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let uid = Utils.get_uid ev in
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let event_list = Map.find_opt uid acc |> Option.value ~default:[] in
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Map.add ~key:uid ~data:(ev :: event_list) acc
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| _ -> acc (* Ignore non-event components *))
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in
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let events_map = Map.map ~f:List.rev events_map in
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let good_rems =
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Map.fold ~init:[] events_map ~f:(fun ~key:uid ~data:events good_rems ->
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let rem_or_error = EventPredicates.remind_of_event events in
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match rem_or_error with
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| Ok rem -> rem :: good_rems
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| Error (EventPredicates.Invalid_date s) ->
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Printf.eprintf "UID: %s Invalid date: %s\n" uid s;
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good_rems
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| Error Skip ->
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Printf.eprintf "UID: %s Skipped\n" uid;
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good_rems)
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in
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let good_rems = List.rev good_rems in
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good_rems @ good_rems_acc
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end
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with e ->
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prerr_endline ("Error reading file " ^ filename ^ ": " ^ Printexc.to_string e);
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good_rems_acc)
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in
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ListLabels.iter good_rems ~f:(fun rem -> Printf.printf "%s\n" (Remind.string_of_rem rem))
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let () = if !Sys.interactive then () else exit (CommandLine.main ical2rem)
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