Add script for Telegram updates long polling

telegram_poll.sh

@@ -0,0 +1,42 @@
+#!/usr/bin/env bash
+
+usage() {
+  echo "Usage: $(basename $0) offset"
+}
+
+if [ ! $# -eq 1 ]; then
+    usage
+    exit 1
+fi
+
+OFFSET=$1
+
+if [ -z $TELEGRAM_BOT_TOKEN ]; then
+  echo "TELEGRAM_BOT_TOKEN must be set with OpenAI authorization bearer token (without Bearer prefix)"
+  exit 1
+fi
+
+TIMEOUT=5
+
+while true
+do
+    echo "Long polling for telegram updates with offset $OFFSET ..."
+    R=$(curl --silent "https://api.telegram.org/bot$TELEGRAM_BOT_TOKEN/getUpdates?timeout=$TIMEOUT&offset=$OFFSET")
+    echo "$R" | jq
+    update_id="$(echo "$R" | jq -e '.result[0].update_id')"
+    if [ ! $? -eq 0 ]; then
+        echo "Timeout"
+        continue
+    fi
+    text=$(echo "$R" | jq -e '.result[0].message.text')
+    if [ $? -eq 0 ]; then
+        text=$(echo "$text" | sed -e 's/^"//' -e 's/"$//')
+        if [[ $text = /prompt* ]]; then
+            prompt="${text:8}"
+            chat_id="$(echo "$R" | jq -e '.result[0].message.chat.id')"
+            echo "Received prompt "$prompt" in chat $chat_id"
+            # TODO: send prompt to OpenAI and stream response back to chat
+        fi
+    fi
+    OFFSET=$(( update_id + 1))
+done