From b826340d7536c2777fdcafb3bfcc6ebc8d8053ee Mon Sep 17 00:00:00 2001
From: Marc Coquand <marc@mccd.space>
Date: Tue, 26 Dec 2023 11:15:33 -0600
Subject: Support output file

---
 bin/main.ml | 39 ++++++++++++++++++++++++++++++++++-----
 1 file changed, 34 insertions(+), 5 deletions(-)

(limited to 'bin/main.ml')

diff --git a/bin/main.ml b/bin/main.ml
index d644133..43ce56b 100644
--- a/bin/main.ml
+++ b/bin/main.ml
@@ -7,7 +7,26 @@ let parse (s : string) =
   ast
 
 
-let fixgen content output_type () =
+let print_stdout = function
+  | [ (_, content) ] -> print_endline content
+  | list ->
+    list
+    |> List.iter (fun (name, content) ->
+      print_endline ("FILE NAME: " ^ name);
+      print_endline content)
+
+
+let file_name name file_format = name ^ "." ^ file_format
+
+let save_files file_format output_folder list =
+  list
+  |> List.iter (fun (name, content) ->
+    let file = open_out (output_folder ^ "/" ^ file_name name file_format) in
+    output_string file content;
+    close_out file)
+
+
+let fixgen content output_type output_folder =
   let result = parse content in
   let generate_output =
     match output_type with
@@ -15,13 +34,18 @@ let fixgen content output_type () =
     | "json" -> Fixture.json_of_generated_fixtures
     | _ -> failwith "Unsupported output type, supported types are: json, csv"
   in
+  let save_output =
+    match output_folder with
+    | "STDOUT" -> print_stdout
+    | s -> save_files output_type s
+  in
   match result with
   | Some ast ->
     Ast_types.compile ast
-    |> List.iter (fun (name, file) ->
+    |> List.map (fun (name, file) ->
       let result = generate_output file in
-      print_endline ("FILE NAME: " ^ name);
-      print_endline result)
+      name, result)
+    |> save_output
   | None -> print_endline "error"
 
 
@@ -31,12 +55,17 @@ let file =
 
 
 (* TODO: Support option to set output folder *)
+let output_folder =
+  let doc = "Set output folder" in
+  Arg.(
+    value & opt string "STDOUT" & info [ "o"; "output-folder" ] ~docv:"OUTPUT FOLDER" ~doc)
+
 
 let output_type =
   let doc = "Set output file type, supported=csv" in
   Arg.(value & opt string "csv" & info [ "f"; "file-type" ] ~docv:"FILE TYPE" ~doc)
 
 
-let fixgen_t = Term.(const fixgen $ file $ output_type $ const ())
+let fixgen_t = Term.(const fixgen $ file $ output_type $ output_folder)
 let cmd = Cmd.v (Cmd.info "fixgen") fixgen_t
 let () = exit (Cmd.eval cmd)
-- 
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