From d3960b443bd20216d096815db6e10e2b7f6c53b9 Mon Sep 17 00:00:00 2001
From: Christian Pointner <equinox@helsinki.at>
Date: Wed, 16 Mar 2011 01:47:03 +0000
Subject: insert music into tempstorage


diff --git a/nopsyncd/qlistener.lua b/nopsyncd/qlistener.lua
index e5cd4ab..1e02df2 100755
--- a/nopsyncd/qlistener.lua
+++ b/nopsyncd/qlistener.lua
@@ -20,6 +20,7 @@
 --
 
 local queue_name = "/rhnop"
+local last_cart = nil
 
 mq = require "luamq"
 tempstorage = require "tempstorage"
@@ -30,9 +31,13 @@ function handle_now(timestamp, nowcart, nowlen)
    if results == nil then
       io.stderr:write("can't fetch cart info: " .. err .. "\n")
    else
-      -- TODO: insert into tempstorage
-      print(timestamp .. " Info: '" .. results.TITLE .. "' von '" .. results.ARTIST .. "' aus '" .. results.ALBUM .. "'")
-      pipe.signal()
+--      print(timestamp .. " Info: '" .. results.TITLE .. "' von '" .. results.ARTIST .. "' aus '" .. results.ALBUM .. "'")
+      local ret, err = tempstorage:insertMusic(timestamp, nowcart, nowlen, results.TITLE, results.ARTIST, results.ALBUM)
+      if ret == nil then
+         io.stderr:write("can't insert music info: " .. err .. "\n")
+      else
+         pipe.signal()
+      end
    end
 end
 
@@ -41,8 +46,11 @@ function handle_message(msg)
    if not timestamp or not nowcart or not nowlen or not nextcart or not nextlen then
       io.stderr:write("ignoring malformed message\n")
    else
-      -- TODO sanity checks: is now info new or just next?
-      handle_now(timestamp, nowcart, nowlen)
+      -- TODO better sanity checks: is now info new or just next?
+      if last_cart ~= nowcart then
+         last_cart = nowcart
+         handle_now(timestamp, nowcart, nowlen)
+      end
       -- TODO handle next info
    end
 end
@@ -59,7 +67,8 @@ function main_loop()
       io.stderr:write("creation of tempstorage failed: " .. err .. "\n")
       os.exit(1)
    end
-
+   last_cart = assert(tempstorage:getLastCart())
+  
    local ret, err = rddb:init()
    if ret == nil then
       io.stderr:write("opening rivendell db failed: " .. err .. "\n")
diff --git a/nopsyncd/tcpserver.lua b/nopsyncd/tcpserver.lua
index 3f7c70a..d298eed 100755
--- a/nopsyncd/tcpserver.lua
+++ b/nopsyncd/tcpserver.lua
@@ -86,11 +86,11 @@ end
 function main_loop()
    local pipefd = pipe.getreadfd()
 
-   local ret, err = tempstorage:init()
-   if ret == nil then
-      io.stderr:write("creation of tempstorage failed: " .. err .. "\n")
-      os.exit(1)
-   end
+   -- local ret, err = tempstorage:init()
+   -- if ret == nil then
+   --    io.stderr:write("creation of tempstorage failed: " .. err .. "\n")
+   --    os.exit(1)
+   -- end
 
    server = init_server()
 
diff --git a/nopsyncd/tempstorage.lua b/nopsyncd/tempstorage.lua
index f034647..37f3422 100644
--- a/nopsyncd/tempstorage.lua
+++ b/nopsyncd/tempstorage.lua
@@ -49,6 +49,33 @@ function tempstorage:init()
    return true
 end
 
+function tempstorage:getLastCart()
+   local cur, err = self.con:execute("SELECT cart from (SELECT cart,timestamp,MAX(timestamp) AS tsmax FROM now) where timestamp = tsmax")
+   if cur == nil then
+      return nil, err
+   end
+
+   local cart = cur:fetch()
+   if cart == nil then cart = 0 end
+   return cart
+end
+
+function tempstorage:insertMusic(timestamp, cart, len, title, artist, album)
+   cart = tonumber(cart)
+   if cart < 400000 or cart > 450000 then
+      poolnum = 0
+   else
+      poolnum = math.floor(cart/1000) - 399
+   end
+   -- TODO escape "' in strings"
+   local cur, err = self.con:execute("INSERT into now VALUES(" .. timestamp .. ", " .. cart .. ", " .. len .. ", 'Musikpool " .. poolnum .. "', '" .. title .. "', '" .. artist .."', '" .. album .. "', 1)")
+   if cur == nil then
+      return nil, err
+   end
+
+   return true
+end
+
 function tempstorage:close()
    if self.con then
       self.con:close()
-- 
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