feat: !telegram command

1 files changed, 68 insertions, 0 deletions

diff --git a/luamods/telegram.lua b/luamods/telegram.lua
new file mode 100644
index 0000000..975740a
--- /dev/null
+++ b/luamods/telegram.lua
@@ -0,0 +1,68 @@
+local lines = {
+    english = {
+        ["not_configured"] = "{sender.alias_name}: This command is not set up properly. Try again later.",
+        ["not_found"] = "{sender.alias_name}: Channel %s not found.",
+        ["no_value"] = "{sender.alias_name}: Public Telegram channel must be specified.",
+        ["message"] = "{sender.alias_name}: %s's last post: %s (posted %s ago)",
+        ["no_messages"] = "{sender.alias_name}: This Telegram channel does not have any posts."
+    },
+    russian = {
+        ["not_configured"] = "{sender.alias_name}: Команда не настроена. Попробуйте позже.",
+        ["not_found"] = "{sender.alias_name}: Канал %s не найден.",
+        ["no_value"] = "{sender.alias_name}: Нужно указать публичный Telegram канал.",
+        ["message"] = "{sender.alias_name}: Последний пост %s: %s (опубликовано %s назад)",
+        ["no_messages"] = "{sender.alias_name}: Этот Telegram канал не содержит каких-либо постов."
+    },
+}
+
+return {
+    name = "telegram",
+    description = [[
+Get the latest post from the specified public Telegram channel.
+
+## Syntax
+
+`!telegram [username]`
+
++ `[username]` - Valid public Telegram channel.
+
+## Usage
+
++ `!telegram durov`
+]],
+    delay_sec = 5,
+    options = {},
+    subcommands = {},
+    aliases = { "tg", "tgc", "тгк" },
+    minimal_rights = "user",
+    handle = function(request)
+        local cfg = bot_config()
+        if cfg.url.rssbridge == nil then
+            return l10n_custom_formatted_line_request(request, lines, "not_configured", {})
+        end
+
+        if request.message == nil then
+            return l10n_custom_formatted_line_request(request, lines, "no_value", {})
+        end
+
+        local url = str_format(cfg.url.rssbridge, { "TelegramBridge", request.message })
+        local channel = rss_get(url)
+        if channel == nil then
+            return l10n_custom_formatted_line_request(request, lines, "not_found", { request.message })
+        end
+
+        local posts = channel.messages
+        if #posts == 0 then
+            return l10n_custom_formatted_line_request(request, lines, "no_messages", {})
+        end
+
+        local latest_post = posts[1]
+        local post_time = "N/A"
+        if latest_post.timestamp ~= 0 then
+            post_time = time_humanize(time_current() - latest_post.timestamp)
+        end
+
+        return l10n_custom_formatted_line_request(request, lines, "message",
+            { request.message, latest_post.title, post_time })
+    end,
+}