nyaash/dmenu_nyaa.sh

#!/bin/bash

filter_list="none
noremakes
trusted"
category_list="all
anime
anime_mv
anime_englis
anime_other
anime_raw
audio
lossless
lossy
literature
literature_english
literature_other
literature_raw
live_action
live_action_english
live_action_pv
live_action_other
live_action_raw
picture
graphic
photo
software
apps
games
art
art_anime
art_doujin
art_games
art_manga
art_pictures
real_life
real_life_pictures
real_life_videos"
filter="none"
category="all"
page=1
instance="https://nyaa.si"

select=""

while true; do
	case $(printf "search\nchoose filter\nchoose category\nchoose instance\n" | dmenu "$@" -p "Nyaash: ") in
		"search")
			break
			;;
		"choose filter")
			user_filter="$(printf "%s\n" "$filter_list" | dmenu "$@" -p "(Nyaash) Pick category")"
			if [ -n "$user_filter" ]; then
				category="$user_filter"
			fi
			;;
		"choose category")
			user_category="$(printf "%s\n" "$category_list" | dmenu "$@" -p "(Nyaash) Pick category")"
			if [ -n "$user_category" ]; then
				category="$user_category"
			fi
			;;
		"choose instance")
			case $(printf "https://nyaa.si\nhttps://sukebei.nyaa.si\ncustom" | dmenu "$@" -p "(Nyaash) instance: ") in
				"https://nyaa.si")
					instance="https://nyaa.si"
					;;
				"https://sukebei.nyaa.si")
					instance="https://sukebei.nyaa.si"
					;;
				"custom")
					custom_instance="$(echo "" | dmenu "$@" -p "(Nyaash) Custom Instance: ")"
					if [ -n "$custom_instance"]; then
						instance="$custom_instance"
					fi
					;;
				*)
					;;
			esac
			;;
		*)
			exit 0	
			;;
	esac
done

query=$(echo "" | dmenu "$@" -p "(Nyaash) Search: ")

declare -A items
while true; do 
	page2="-p $page"
	output=$(nyaash "$query" -t $category -f $filter -i "$instance" -p $page)
	i=0
	itemname=""
	unset index
	unset lines
	readarray lines = < <(echo "$output")
	if [ ${#lines[@]} -gt 4 ]; then
		for line in ${!lines[@]}; do
			case $(expr $line % 5) in
				0)
					itemname="$(printf '%s\n' "${lines[$line]}" | sed 's/^[0-9]* //')"
					items["$itemname"]=""
					index[$i]="$itemname"
					i=$(($i+1))
					;;
				1)
					items["$itemname"]="${lines[$line]}"
					;;
			esac	
		done
	fi
	if [ "${#index[@]}" -gt 0 ]; then
		if [ $page -eq 1 ] && [ ${#index[@]} -eq 75 ]; then
			selected="$(echo -e "next page\n$(printf "%s\n" "${index[@]})\nnext page")" | dmenu "$@" -p "(Nyaash) Download: ")"
		elif [ $page -gt 1 ] && [ ${#index[@]} -eq 75 ]; then
			selected="$(echo -e "next page\nprevious page\n$(printf "%s\n" "${index[@]})\nprevois page\nnext page")" | dmenu "$@" -p "(Nyaash) Download: ")"
		elif [ $page -eq 1 ]; then # It's the first page, but has less than 75 items -> also the last page
			selected="$(echo -e "$(printf "%s\n" "${index[@]})")" | dmenu "$@" -p "(Nyaash) Download: ")"
		else # It's not the first page, but it has less than 75 items -> it's the last page
			selected="$(echo -e "previous page\n$(printf "%s\n" "${index[@]})")\nprevous page" | dmenu "$@" -p "(Nyaash) Download: ")"
		fi
	elif [ $page -gt 1 ]; then
		selected="$(printf "previous page\n" | dmenu "$@" -p "(Nyaash) Download: ")"
	else
		selected="$(printf "no results\n" | dmenu "$@" -p "(Nyaash) Download: ")"
	fi
	case "$selected" in
		"next page")
			page=$(( page + 1))
			;;
		"previous page")
			page=$(( page - 1))
			;;
		*)
			break
			;;
	esac
done
xdg-open "${items["$selected"]}"