Setting up an automatic folder action that organizes ur downloads folder. In this, there is drop folder which gets triggered whenever there is transfer of a data of any format.

readme.txt

Preparations:
select a directory(in my e.g its called Organzied)
and open in terminal
mkdir 
all_apkg	all_audio	all_dmg		all_img		all_json	all_pdf		all_sh		all_txt
all_app		all_css		all_folders	all_ipynb	all_mp4		all_pkg		all_sql		all_xlsx
all_archive	all_csv		all_html	all_js		all_odt		all_py		all_tar		all_zip   all_compressed



Steps:
1.Open Automator
2.Select folder action
3.Choose a drop folder e.g (Organized_Download)
4.Pase the shell script
5.(optional maybe) Right click on (Organized_Download) and enable Folder action.

Testing:
Test it out, try enable and disable of Folder action setup if isnt working.

How to edit and find:
Goto that folder(Orgnaized_Download) and click on Folder action setup and then click the folder action and u'll see below the 
edit workflow and it will open it in automator

paste_it.sh

#Run shell script in automator and paste this code
shopt -s extglob; #to use regular expressions
echo hello


for f in "$@"
do
	echo "$f"
	stats=$(echo"")
	case $f in
		*.dmg)
			mv $f ~/Organized/all_dmg;;
		*.jpg|*.jpeg|*.png|*.webp)
			mv $f ~/Organized/all_img
			paths="~/Organized/all_img/";;
		*.tar|*.zip)
			mv $f ~/Organized/all_archive;;
		*.wav|*.mp3)
			mv $f ~/Organized/all_audio;;
		*.mp4|*.3gp)
			mv $f ~/Organized/all_mp4;;
		*.bz2|*.gzip)
			mv $f ~/Organized/all_compressed;;
		*.apkg)
			mv $f ~/Organized/all_apkg;;
		*.pkg)
			mv $f ~/Organized/all_pkg;;
		*.json)
			mv $f ~/Organized/all_json;;	
		*.xlsx)
			mv $f ~/Organized/all_xlsx;;
		*.py)
			mv $f ~/Organized/all_py;;
		*.html)
			mv $f ~/Organized/all_html;;
		*.css)
			mv $f ~/Organized/all_css;;
		*.js)
			mv $f ~/Organized/all_js;;
		*.sql)
			mv $f ~/Organized/all_sql;;
		*.odt)
			mv $f ~/Organized/all_odt;;
		*.pdf)
			mv $f ~/Organized/all_pdf
			paths="~/Organized/all_pdf/";;
		*.app)
			mv $f ~/Organized/all_app;;
		*.txt)
			mv $f ~/Organized/all_txt;;
		*)
			if [ -d $f ] 
				then
						mv $f ~/Organized/all_folders;			else
			stats=un
			osascript -e "display notification \"Operation ${stats}succesfull ${paths}${f} \" ";
			fi;;
			
		
	 		
	
	esac
	
done
f=$(basename $f) 2>/dev/null
osascript -e "display notification \"Operations ${stats}succesfully completed ${paths}${f} \" ";
	
echo "exiting"

See only ipynb is in my drop folder cause i forgot to include it my script.

*.ipynb)
			mv $f ~/Organized/all_ipynb;;