1 files changed, 72 insertions, 0 deletions
diff --git a/lua/functions.lua b/lua/functions.lua
index 12eca3a..8278ff0 100644
--- a/lua/functions.lua
+++ b/lua/functions.lua
@@ -12,6 +12,23 @@ function table.filter(list, predicate)
 	return filtered_list
 end
 
+local function split(inputstr, sep)
+	if sep == nil then
+			sep = "%s"
+	end
+	local t={}
+	for str in string.gmatch(inputstr, "([^"..sep.."]+)") do
+			table.insert(t, str)
+	end
+	return t
+end
+
+local function file_exists(name)
+   local f=io.open(name,"r")
+
+   if f~=nil then io.close(f) return true else return false end
+end
+
 function _G.check_back_space()
 	local col = vim.api.nvim_win_get_cursor(0)[2]
 
@@ -122,3 +139,58 @@ function _G.close_current_buffer()
 	end
 end
 
+num = vim.fn.system("od -A n -t d -N 3 /dev/random")
+
+num = num:gsub("%s+", "")
+num = num:gsub("%s+", "")
+
+function _G.prepare_pr_review_curr_buf()
+	local buf_name = vim.fn.bufname()
+
+	local buf_name_parts = split(buf_name, "/")
+
+	local buf_file = buf_name_parts[#buf_name_parts]
+	local side = buf_name_parts[#buf_name_parts - 1]
+
+	local tmp_file = "/tmp/nvim-pr-review-" ..  num .. "-"
+		.. side .. "-" .. buf_file
+
+	if file_exists(tmp_file) then
+		return
+	end
+
+	local lines = vim.api.nvim_buf_get_lines(0, 0, -1, true)
+
+	local file = io.open(tmp_file, "a")
+
+	if file == nil then
+		error("Temporary file not created")
+		return
+	end
+
+	for _, line in next, lines, nil do
+		file:write(line)
+	end
+
+	file:close()
+
+	vim.api.nvim_buf_set_name(0, tmp_file)
+end
+
+function _G.unprepare_pr_review_curr_buf()
+	local buf_name = vim.fn.bufname()
+
+	local buf_name_parts = split(buf_name, "/")
+
+	local buf_file = buf_name_parts[#buf_name_parts]
+	local side = buf_name_parts[#buf_name_parts - 1]
+
+	local tmp_file = "/tmp/nvim-pr-review-" ..  num .. "-"
+		.. side .. "-" .. buf_file
+
+	if file_exists(tmp_file) == false then
+		return
+	end
+
+	os.remove(tmp_file)
+end