Add multi-user and cron support.
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@ -5,70 +5,111 @@ require "time"
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require "sqlite3"
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require "cron_scheduler"
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# Chat IDs
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chatid_joann = 215301902
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chatid_daniel = 220888832
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CHATID_JOANN = 215301902_i64
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CHATID_DANIEL = 220888832_i64
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DATABASE_URL = "sqlite3://./data.sqlite"
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BOT_TOKEN = "599474797:AAEmjQNO32uqurI16blS9FT4OoO7GdUZ6h0"
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EXTENSIONS = ["png", "jpeg", "jpg"]
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LOGGER = Logger.new(STDOUT)
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# Configuration
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database = "sqlite3://./data.sqlite"
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subreddit = "rarepuppers"
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chatid = chatid_daniel
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delay = 1.hours
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active_hours = 7..24
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bot_token = "599474797:AAEmjQNO32uqurI16blS9FT4OoO7GdUZ6h0"
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class BotConfiguration
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JSON.mapping(
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subreddits: Array(String),
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send_cron: String,
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refresh_cron: String,
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recepients: Array(Int64))
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# Setup
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completed = [] of String
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logger = Logger.new(STDOUT)
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bot = Telepathy::Bot.new bot_token
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def initialize
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@subreddits = [ "rarepuppers" ]
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@send_cron = "00 8-21 * * *"
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@refresh_cron = "*/15 * * * *"
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@recepients = [ CHATID_DANIEL ]
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end
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end
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class PupperBot
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@db : DB::Database
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def initialize(@configuration : BotConfiguration)
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@telegram_bot = Telepathy::Bot.new BOT_TOKEN
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@db = DB.open DATABASE_URL
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initialize_db
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update_database
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initialize_timers
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initialize_telegram
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send_broadcast
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end
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def initialize
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initialize BotConfiguration.new
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end
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private def initialize_db
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@db.exec "create table if not exists posts(id integer primary key, title text, url text unique)"
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@db.exec "create table if not exists recepient_posts(recepient integer, post integer, foreign key(post) references posts(id))"
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end
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private def initialize_timers
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CronScheduler.define do
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at(@configuration.send_cron) { send_broadcast }
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at(@configuration.refresh_cron) { update_database }
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end
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end
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private def initialize_telegram
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@telegram_bot.command "ping" do |update, args|
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@telegram_bot.send_message(update.message.as(Telepathy::Message).chat.id, "pong")
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end
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@telegram_bot.command "pupper" do |update, args|
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command_chatid = update.message.as(Telepathy::Message).chat.id
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send_single command_chatid
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end
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@telegram_bot.poll
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end
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def send_single(chatid)
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unsent_query = "select id, title, url from posts where not exists (select * from recepient_posts where recepient=? and post=id) limit 1"
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unless to_send = @db.query_one? unsent_query, chatid, as: { Int64, String, String }
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LOGGER.info "Unable to find a post to send to #{chatid}."
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return
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end
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id, title, url = to_send
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LOGGER.info "Using URL #{url} for request from #{chatid}"
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@db.exec "insert into recepient_posts(recepient, post) values(?, ?)", chatid, id
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@telegram_bot.send_photo(chatid, url, title)
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end
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def send_broadcast
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@configuration.recepients.each do |recepient|
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send_single recepient
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end
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end
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def update_database
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unless response = RedditResponse.from_subreddits(@configuration.subreddits)
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LOGGER.info "Unable to find more posts for the database"
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return
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end
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posts = response.data.posts_matching { |post| EXTENSIONS.any? { |it| post.url.ends_with? it } }
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posts.each do |post|
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LOGGER.info "Trying to save post #{post.title} #{post.url}"
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begin
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@db.exec "insert into posts(title, url) values(?, ?)", post.title, post.url
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rescue e
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puts e
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end
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end
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end
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end
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botc = PupperBot.new
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# Commands.
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bot.command "ping" do |update, args|
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bot.send_message(update.message.as(Telepathy::Message).chat.id, "pong")
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end
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# Tasks
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def update_database(db)
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end
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bot.command "pupper" do |update, args|
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url_tuple = get_reddit_post(subreddit, completed)
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if url_tuple
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url, title = url_tuple
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command_chatid = update.message.as(Telepathy::Message).chat.id
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logger.info "Using URL #{url} for request from #{command_chatid}"
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bot.send_photo(command_chatid, url, title)
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else
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logger.error "Unable to find a post to send."
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end
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end
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spawn do
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loop do
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time = Time.now
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url_tuple = get_reddit_post(subreddit, completed) if (active_hours.includes? time.hour)
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if url_tuple
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url, title = url_tuple
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logger.info "Sending regular picture to #{chatid}."
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bot.send_photo(chatid.to_i64, url, title)
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else
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logger.error "Unable to find a post to send. (Or it's quiet hours)"
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end
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sleep delay
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end
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end
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# Code to stop the bot on time.
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end_channel = Channel(Nil).new(1)
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bot.poll_end do
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end_channel.send nil
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end
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Signal::INT.trap do
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logger.info "Shutting down bot..."
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bot.end_poll
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end
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bot.poll
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end_channel.receive
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sleep
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@ -45,16 +45,3 @@ class RedditResponse
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.select { |it| yield it }
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end
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end
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def filter_reddit_json(json, completed, extensions = ["png", "jpeg"])
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json.data.posts_matching do |post|
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extensions.any? { |it| post.url.ends_with? it } && !completed.includes? post.url
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end
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end
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def get_reddit_post(subreddit, completed)
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return nil unless json = RedditResponse.from_subreddit subreddit
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return nil unless post = filter_reddit_json(json, completed).first?
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completed.push(post.name)
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return { post.url, post.title }
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end
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