basic url validation/file name validation

TODO.txt

@@ -2,14 +2,15 @@ TODO:
 
 key: + = to add, - = to remove, x = completed, # = comment
 
-+Append extensions to file name in save dialog unless exists
+xAppend extensions to file name in save dialog unless exists
 +Add option for multiple audio formats
 +Dynamic libraries
 +Create custom url entry dialog
-+Url validation
+xUrl validation
 +Percentage in progress bar
 +Replace spaces in file name with dashes/underscores
 +Make cancel button exit in url dialog
 +Create dialog asking to play finished file or not
 +Display current action in progressbar instead of youtube link itself
++Fix progress bar cancel button
 #possibly more later

ffmpeg_progress.lua

@@ -0,0 +1,89 @@
+-- take note of YtLink, I keep passing it around in order to show it as the title bar
+-- of the download window, YOU WILL HAVE TO PAY ATTENTION TO IT
+-- IT GOES THROUGH FUCKING EVERYTHING
+-- Also it will be replaced by what the user saves the file as
+-- keep that in mind as well
+require ('iuplua')
+
+local cancelflag		--set variable
+local downloadProgress		--set variable
+
+local function downloadStart(YtLink)		--create button and cancle flag
+     cancelButton = iup.button{
+        title = "Cancel",
+        action = function()	      
+            cancelflag = true         
+            
+            --return iup.CLOSE		--not sure if needed
+        
+         end
+
+    }
+    local downloadProgress = iup.progressbar{expand="HORIZONTAL", MARQUEE="YES"}	
+    local dlgProgress = iup.dialog{				   --create main window
+        title = YtLink,
+        dialogframe = "YES", border = "YES",
+        iup.vbox {			-- create vbox that contains said objects
+            downloadProgress,
+            cancelButton,
+        }
+    }
+    dlgProgress.size = "QUARTERxEIGHT" 		--should be size of dialog box
+   -- dlgProgress.menubox = "NO"		-- no windows menus
+    dlgProgress.close_cb = cancelButton.action	-- calls the action of the button
+    dlgProgress:showxy(iup.CENTER, iup.CENTER)	-- show and position box
+    return dlgProgress
+end
+
+
+local function DL_progress(YtLink)  -- monitor download progress
+   downloadStart(YtLink) 		  -- start the progress bar
+  -- downloadProgress.value = 0  
+ --  local pipe = io.popen(YtLink)
+   os.execute(YtLink)
+    --[[repeat
+        local c = pipe:read()	  -- read the first 20 characters of each line
+        if c then 		-- if c is true then...
+             
+             --downloadProgress.value = c/100 -- x out of 100
+	     				     -- in this case x is the progress
+	     				     -- data we grabbed            	
+             iup.Flush()		     -- speeds everything up considerably
+             -- when changing an attribute of an element, the change may not 
+             -- take place immediately
+             -- in that case throw in a flush after the change
+            
+             iup.LoopStep() -- required to work, also allows user to click button
+             iup.Flush() -- added this second flush... helps a shit ton
+             if cancelflag then  -- if cancelflag is true, then break
+             			 -- which happens if you click the button
+                   
+                   iup.Message("Terminated", "You have canceled the conversion") 
+                   iup.Flush()
+                   break 
+
+             end
+
+       end
+       
+
+        
+
+until not c-- creating a loop until c is not true
+pipe:close() -- closing the ipopen--]]
+iup.Close()
+end
+
+convert_mp3 = {}
+convert_mp3.go = function(tubeLink)
+  DL_progress(tubeLink)
+end
+
+--if you can have your script call this one and insert the link to YtLink... win
+
+--local YtLink = ('http://www.youtube.com/watch?v=jrmlums5bV8')
+
+
+--DL_progress( YtLink)
+
+

main.lua

@@ -1,3 +1,4 @@
+#!/usr/bin/lua5.2
 require("mandy")
 
 function main()

mandy.lua

@@ -6,6 +6,7 @@
 require("iuplua")
 require("iupluacontrols")
 require('progress')
+require('ffmpeg_progress')
 
 
 --Main url entry box
@@ -13,9 +14,17 @@ function url_entry()
 
 res, url = iup.GetParam("Mandy - Enter URL", nil, 
     "Enter Youtube URL: %s\n", "")
+    if string.match(url, "youtube.com/watch") then
+      return url
+
+    else
+      iup.Message("Error", "The URL is not a youtube link")
+      iup.Flush()
+      iup.Close()
+
     
+    end
     
-    return url
 
 end
 
@@ -41,8 +50,16 @@ function set_dir()
     local status = getPath.status
 
     if status == "1" then
-        local savedPath = getPath.value
-        return savedPath
+        if string.match(getPath.value, ".mp3") then
+          local savedPath = getPath.value
+          return savedPath
+
+        else
+          local savedPath = getPath.value..".mp3"
+          return savedPath
+
+        end
+
     
     elseif status == "0" then
        
@@ -78,18 +95,12 @@ function ytDl(x)
 end
 
 function ffmpeg(tmpPath, dirD)
-  
-  if dirD == dirD..".mp3" then
-    dirD = dirD
-    mp3 = "ffmpeg -i "..tmpPath.." -acodec libmp3lame -ac 2 -ab 192k -vn -y "..dirD..""
+
+    local mp3 = "ffmpeg -i "..tmpPath.." -acodec libmp3lame -ac 2 -ab 192k -vn -y "..dirD
     os.execute(mp3)
+    -- convert_mp3.go(mp3)
     io.popen("vlc "..dirD)
-  elseif dirD ~= dirD..".mp3" then
-    dirD = dirD..".mp3"
-    mp3 = "ffmpeg -i "..tmpPath.." -acodec libmp3lame -ac 2 -ab 192k -vn -y"..dirD..""
-    os.execute(mp3)
-    io.popen("vlc "..dirD)
-  end
+
 end
 
 --put everything into a table to use local functions globally

test.lua

@@ -0,0 +1,7 @@
+link = "http://www.youtube.com/watch?v=vGylDMu_0TU"
+
+print(string.match(link, "youtube.com/watch"))
+
+
+
+