move play from file and db functions into own files (#13)

* move play from file and db functions into own files

lib/ani-cli/UI-play

@@ -0,0 +1,121 @@
+# display a log message if verbose mode is enabled
+lg() {
+	((VERBOSE)) && printf "\033[1;35m%s\033[0m\n" "$*" >&2
+}
+
+# display error message and exit
+die() {
+	((!SILENT)) && printf "\033[1;31m%s\033[0m\n" "$*" >&2
+	exit 1
+}
+
+# gets the list of directories and playable files from the passed in directory
+# sets the $watched list to the list of watched files
+get_directory_data() {
+	search_dir="$1"
+	inputlist=""
+	watched=""
+	cnt=1
+	[ "$search_dir" = "/" ] && cnt=0 # account for no ../ on /
+	for directory in "$1"/*; do
+		directory="${directory##*/}"
+		[ ! -d "$search_dir/$directory" ] && continue
+		[ -z "$inputlist" ] && inputlist="$directory" || inputlist="$inputlist|$directory"
+		if ! check_db "directory" "$search_dir/$directory"; then
+			lg "$search_dir/$directory opened before... adding $cnt to list" 1> /dev/stderr
+			[ -z "$watched" ] && watched="$cnt" || watched="$watched, $cnt"
+		fi
+		((++cnt))
+	done
+	shopt -s nullglob   # set nullglob to avoid printing output if no files with extension exist
+	shopt -s nocaseglob # case insensitive globbing
+	for filename in "$search_dir"/*.{mp4,mkv,ts,mp3,webm}; do
+		filename="${filename##*/}"
+		[ -z "$inputlist" ] && inputlist="$filename" || inputlist="$inputlist|$filename"
+		if ! check_db "file" "$search_dir" "$filename"; then
+			lg "$filename watched before... adding $cnt to list" 1> /dev/stderr
+			[ -z "$watched" ] && watched="$cnt" || watched="$watched, $cnt"
+		fi
+		((++cnt))
+	done
+	shopt -u nullglob
+	shopt -u nocaseglob
+	if [[ -n "$inputlist" && "$search_dir" != / ]]; then
+		inputlist="../|$inputlist|Back|Quit"
+	elif [[ -z "$inputlist" && "$search_dir" != / ]]; then
+		inputlist="../|Back|Quit"
+	elif [[ "$search_dir" = / ]]; then
+		inputlist="$inputlist|Quit"
+	else
+		inputlist="Quit"
+	fi
+	lg "INPUT LIST: $inputlist" 1> /dev/stderr
+	lg "WATCHED LIST: $watched" 1> /dev/stderr
+}
+
+# recursive function for finding path to video file given a starting directory
+find_media() {
+	inp="$1"
+	[ -z "$inp" ] && die "No directory"
+	lg "BEGIN find_media() on $inp" 1> /dev/stderr
+
+	# base case hit when a file is found
+	if [ -f "$inp" ]; then
+		printf "%s\n" "$inp"
+		return 0
+	fi
+
+	get_directory_data "$inp"
+	selection="$(rofi -dpi "$DPI" -dmenu -no-custom -async-pre-read 33 -config "$ROFI_CFG" \
+		-l 15 -i -sep '|' -mesg "$(generate_span "Current directory: $inp")" -a "$watched" \
+		-p "Enter selection" -window-title 'aniwrapper' <<< "$inputlist")"
+	[ -z "$selection" ] && return 1
+	case "$selection" in
+		Back | ../)
+			dotdotslash="${inp%/*}"
+			[ -z "$dotdotslash" ] && dotdotslash="/"
+			insert_history "directory" "$dotdotslash"
+			find_media "$dotdotslash"
+			;;
+		Quit)
+			return 1
+			;;
+		*)
+			if [ -d "$inp/$selection" ]; then
+				insert_history "directory" "$inp/$selection"
+				if [ "$inp" = "/" ]; then
+					find_media "/$selection"
+				else
+					find_media "$inp/$selection"
+				fi
+			else
+				find_media "$inp/$selection"
+			fi
+			;;
+	esac
+}
+
+# opens the passed in file with $PLAYER_FN
+play_file() {
+	lg "Checking if file is playable"
+	if [[ "$1" =~ (\.mp4|\.mkv|\.ts|\.webm)$ ]]; then
+		filename="${1##*/}"
+		directory="${1%/*}"
+		insert_history "file" "$directory" "$filename"
+		notification "Playing $1"
+		case "$PLAYER_FN" in
+			mpv)
+				nohup "$PLAYER_FN" --force-media-title="aniwrapper: play-from-file - $1" "$1" > /dev/null 2>&1 &
+				;;
+			*)
+				nohup "$PLAYER_FN" "$1" > /dev/null 2>&1 &
+				;;
+		esac
+		return $?
+	else
+		die "File: $1 is not playable... Quitting"
+	fi
+}
+
+
+# vim: ft=sh