discord channel webhooking

1 files changed, 54 insertions, 12 deletions

diff --git a/discord/pylon.lua b/discord/pylon.lua
index 4a3e832..83f1758 100644
--- a/discord/pylon.lua
+++ b/discord/pylon.lua
@@ -16,6 +16,7 @@ local API_BASE = "https://discord.com/api/v10/"
 local Discord = class.extend(BasePylon)
 function Discord.init(self)
 	self:_check_fields "token"
+	self.channel_to_webhook = {}
 end
 
 local function identify_payload(token)
@@ -27,14 +28,31 @@ local function identify_payload(token)
 
 function Discord._req_get(self, url)
 	local req = request.new_from_uri(API_BASE..url)
-	req.headers:upsert('content-type','application/json')
+	req.headers:upsert('accept','application/json')
 	req.headers:upsert(':method','GET')
 	req.headers:upsert('authorization','Bot '..self.token)
 	req.headers:upsert('user-agent','wilson (https://g.gh0.pw/wilson/, v0.0)')
 	local head,body = assert(req:go())
 	local status = head:get':status'
-	assert(status:sub(1,1)=='2','status was '..status)
-	return assert(json.decode(body:get_body_as_string()))
+	local bod = body:get_body_as_string()
+	assert(status:sub(1,1)=='2','status was '..status.." body: "..bod)
+	print(bod)
+	return assert(json.decode(bod))
+end
+
+function Discord._req_post(self, url, payload)
+	local req = request.new_from_uri(API_BASE..url)
+	req:set_body(assert(json.encode(payload)))
+	req.headers:upsert(':method','POST')
+	req.headers:upsert('content-type','application/json')
+	req.headers:upsert('authorization','Bot '..self.token)
+	req.headers:upsert('user-agent','wilson (https://g.gh0.pw/wilson/, v0.0)')
+	local head,body = assert(req:go())
+	local status = head:get':status'
+	local bod = body:get_body_as_string()
+	assert(status:sub(1,1)=='2','status was '..status.." body: "..bod)
+	print(bod)
+	return assert(json.decode(bod))
 end
 
 function Discord._connect(self)
@@ -44,7 +62,32 @@ function Discord._connect(self)
 	self.ws:send(identify_payload(self.token), 'text')
 
 	local me = self:_req_get"users/@me"
+	self.bot_id = me.id
 	pprint('I AM ',me)
+
+	for busname, bus in pairs(self.wilson.busses) do
+		for _, channel in ipairs(bus) do
+			if channel.pylon == self then
+				self:add_channel(channel)
+			end
+		end
+	end
+end
+
+function Discord.add_channel(self, channel)
+	local webhooks = self:_req_get("channels/"..channel.descriptor.."/webhooks")
+	pprint("webhooks",webhooks)
+	for _,wh in pairs(webhooks) do
+		if wh.application_id == self.bot_id then
+			print("Found existing webhook for channel "..channel.descriptor)
+			self.channel_to_webhook[channel.descriptor] = wh
+			return
+		end
+	end
+	print("Making webhook for channel "..channel.descriptor)
+	local wh = self:_req_post("channels/"..channel.descriptor.."/webhooks", { name=self.name:gsub("discord",""):gsub("clyde","").." wilson hook" })
+	pprint(wh)
+	self.channel_to_webhook[channel.descriptor] = wh
 end
 
 function Discord._heartbeating(self, interval_ms)
@@ -80,19 +123,19 @@ end
 function Discord.handle_dispatch(self, event)
 	local d = event.d
 	if event.t == 'MESSAGE_CREATE' then
-		if d.author.id == '293066066605768714' then
-			self.wilson:deliver(Channel(self, d.channel_id), {
-				body = d.content,
-				sender = '[d]' .. d.author.username
-			})
-		end
+		if d.author.id == self.channel_to_webhook[d.channel_id].id then return end
+		if d.author.id == self.bot_id then return end
+		self.wilson:deliver(Channel(self, d.channel_id), {
+			body = d.content,
+			sender = '[d]' .. d.author.username,
+		})
 	end
 end
 
 function Discord.sending(self)
 	for dest_channel, message in self.inbox:iter() do
-		print('DDD',message.sender,message.body)
-		exec_webhook(self.temp_wh, {
+		print('DDD',dest_channel,message.sender,message.body)
+		exec_webhook(self.channel_to_webhook[dest_channel.descriptor].url, {
 			username = message.sender,
 			content = message.body,
 		})
@@ -100,4 +143,3 @@ function Discord.sending(self)
 end
 
 return Discord
-