kdWatchDog

kdWatchDog

command

• /list
• /add {stock id}
• /del {stock id}
• /query
  • 

stock api

alphavantage

table to image

• go-table-image draw table
• freetype/truetype parse TTF font

imgur

imgur

refactor

1. create a postman goroutine with a channel
   1. postman own the bot object
   2. send message to bot
2. all handler send message to channel then let postman goroutine send the message to telegram
   1. handler don't need to know bot object
3. watch sigterm event
4. message broker for bot handler and handler logic