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Controll HTTP errors downloading images

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This commit is contained in:
yago 2015-02-28 14:22:53 +01:00
parent 6a8be34956
commit dab0c97bb6
1 changed files with 20 additions and 4 deletions
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24
bot/utils.lua
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@ -83,6 +83,8 @@ function download_to_file(url, file_name)
local headers = response[3]
local status = response[4]
if code ~= 200 then return nil end
file_name = file_name or get_http_file_name(url, headers)
local file_path = "/tmp/"..file_name
@ -242,9 +244,18 @@ end
-- Download the image and send to receiver, it will be deleted.
-- cb_function and cb_extra are optionals callback
function send_photo_from_url(receiver, url, cb_function, cb_extra)
-- If callback not provided
cb_function = cb_function or ok_cb
cb_extra = cb_extra or false
local file_path = download_to_file(url, false)
print("File path: "..file_path)
_send_photo(receiver, file_path, cb_function, cb_extra)
if not file_path then -- Error
local text = 'Error downloading the image'
send_msg(receiver, text, cb_function, cb_extra)
else
print("File path: "..file_path)
_send_photo(receiver, file_path, cb_function, cb_extra)
end
end
-- Same as send_photo_from_url but as callback function
@ -253,8 +264,13 @@ function send_photo_from_url_callback(cb_extra, success, result)
local url = cb_extra.url
local file_path = download_to_file(url, false)
print("File path: "..file_path)
_send_photo(receiver, file_path, cb_function, cb_extra)
if not file_path then -- Error
local text = 'Error downloading the image'
send_msg(receiver, text, ok_cb, false)
else
print("File path: "..file_path)
_send_photo(receiver, file_path, ok_cb, false)
end
end
-- Send multimple images asynchronous.