From ea5e88c4f87fa900421ce3c8418a804d8c4efb18 Mon Sep 17 00:00:00 2001
From: Solderpunk <solderpunk@sdf.org>
Date: Wed, 12 Dec 2018 17:45:00 +0000
Subject: Let user preview their posts and cancel or edit further.

---
 telem.lua | 23 +++++++++++++++++++++--
 1 file changed, 21 insertions(+), 2 deletions(-)

diff --git a/telem.lua b/telem.lua
index 51f312f..7b1bfe6 100755
--- a/telem.lua
+++ b/telem.lua
@@ -294,11 +294,30 @@ function create_post()
 	-- This is used by both do_new and do_reply
 	-- Launch editor to save post in temporary file
 	local filename = os.tmpname()
+	::edit::
 	os.execute(_EDITOR .. " " .. filename)
 	-- Check that file exists and is not empty
 	if not path.exists(filename) then return nil end
 	if lfs.attributes(filename).size == 0 then return nil end
-	return filename
+	-- Get confirmation from user
+	print("PREVIEW:")
+	print(string.rep("-",79))
+	cat_file(filename)
+	print(string.rep("-",79))
+	local valid_chars = { y=true, n=true, e=true }
+	local c = nil
+	while not valid_chars[c] do
+		io.write("Post this? [y]es, [n]o, [e]dit ")
+		c = string.lower(getchar())
+		print("")
+	end
+	if c == "e" then
+		goto edit
+	elseif c == "n" then
+		return nil
+	else
+		return filename
+	end
 end
 
 function do_new()
@@ -391,7 +410,7 @@ function do_type_reply()
 	-- Read reply body into temp file
 	local filename = create_post()
 	if not filename then
-		print("Empty file, reply cancelled.")
+		print("Reply cancelled.")
 		return
 	end
 	-- Move temp file to correct location and set permissions
-- 
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