clean up code a bit

ani-cli

@@ -15,7 +15,6 @@ SILENT=0
 
 player_fn="mpv"
 playable="\.mp4|\.mkv|\.ts|\.mp3|\.webm"
-prog="ani-cli"
 c_red="\033[1;31m"
 c_green="\033[1;32m"
 c_yellow="\033[1;33m"
@@ -24,17 +23,6 @@ c_magenta="\033[1;35m"
 c_cyan="\033[1;36m"
 c_reset="\033[0m"
 
-help_text() {
-	while IFS= read -r line; do
-		printf "%s\n" "$line"
-	done <<- EOF
-		USAGE: $prog <query>
-		 -h  show this help text
-		 -d  download episode
-		 -H  continue where you left off
-	EOF
-}
-
 die() {
 	((SILENT != 1)) && printf "$c_red%s$c_reset\n" "$*" >&2
 	exit 1
@@ -59,8 +47,8 @@ check_input() {
 	fi
 }
 
+# get the download page url
 get_dpage_link() {
-	# get the download page url
 	anime_id=$1
 	ep_no=$2
 
@@ -155,17 +143,22 @@ run_stmt() {
 
 # Return number of matches for anime/episode in db
 check_db() {
-	if [[ "$1" == "directory" ]]; then
+	case "$1" in
+		directory)
 			stmt="SELECT DISTINCT COUNT(*) FROM file_history WHERE directory = '$2';"
-	elif [[ "$1" == "file" ]]; then
+			;;
+		file)
 			stmt="SELECT DISTINCT COUNT(*) FROM file_history WHERE directory = '$2' AND filename = '$3';"
-	elif [[ "$2" == "search" ]]; then
-		stmt="SELECT DISTINCT COUNT(*) FROM search_history WHERE anime_name = '$1';"
-	else
-		stmt="SELECT DISTINCT COUNT(*) FROM watch_history WHERE anime_name = '$1' AND episode_number = '$2';"
-	fi
+			;;
+		search)
+			stmt="SELECT DISTINCT COUNT(*) FROM search_history WHERE anime_name = '$2';"
+			;;
+		watch | sync)
+			stmt="SELECT DISTINCT COUNT(*) FROM watch_history WHERE anime_name = '$2' AND episode_number = '$3';"
+			;;
+	esac
 	res=$(run_stmt "$stmt")
-	return $res
+	return "$res"
 }
 
 # return true (0) if $source_dt > $target_dt
@@ -183,31 +176,37 @@ check_date() {
 update_date() {
 	datetime=$(date +'%Y-%m-%d %H:%M:%S')
 	stmt=""
-	if [[ "$1" == "directory" ]]; then
-		lg "UPDATING FILE_HISTORY: directory='$2', filename='DIRECTORY', search_date='$datetime'"
+	case "$1" in
+		directory)
+			lg "UPDATING FILE_HISTORY for with directory: directory='$2', filename='DIRECTORY', search_date='$datetime'"
 			stmt="UPDATE file_history SET watch_date = '$datetime' WHERE directory = '$2' and filename = '$3';"
-	elif [[ "$1" == "file" ]]; then
-		lg "UPDATING FILE_HISTORY: directory='$2', filename='$3', search_date='$datetime'"
+			;;
+		file)
+			lg "UPDATING FILE_HISTORY: directory='$2', filename='$3', watch_date='$datetime'"
 			stmt="UPDATE file_history SET watch_date = '$datetime' WHERE directory = '$2' and filename = '$3';"
-	elif [[ "$2" == "search" ]]; then
-		lg "UPDATING SEARCH_HISTORY: anime_name='$1', search_date='$datetime'"
-		stmt="UPDATE search_history SET search_date = '$datetime' WHERE anime_name = '$1';"
-	elif [[ $# -ge 3 ]]; then
+			;;
+		search)
+			lg "UPDATING SEARCH_HISTORY: anime_name='$2', search_date='$datetime'"
+			stmt="UPDATE search_history SET search_date = '$datetime' WHERE anime_name = '$2';"
+			;;
+		sync)
 			temp_dt="${3// /:}"
 			[ -z "$temp_dt" ] && return 1
-		hist_dt=$(run_stmt "SELECT watch_date FROM watch_history WHERE anime_name='$1' AND episode_number='$2';")
+			hist_dt=$(run_stmt "SELECT watch_date FROM watch_history WHERE anime_name='$2' AND episode_number='$3';")
 			hist_dt="${hist_dt// /:}"
 			lg "Checking if update is needed..."
 			if ! check_date "$hist_dt" "$temp_dt"; then
 				lg "Passed in date is older or same than current date... doing nothing"
 				return 1
 			fi
-		lg "UPDATING watch_history from sync. watch_date -> $temp_dt"
-		stmt="UPDATE watch_history SET watch_date = '$temp_dt' WHERE anime_name = '$1' AND episode_number = $2;"
-	else
-		lg "UPDATING WATCH_HISTORY: anime_name='$1', episode_number='$2' search_date='$datetime'"
-		stmt="UPDATE watch_history SET watch_date = '$datetime' WHERE anime_name = '$1' AND episode_number = $2;"
-	fi
+			lg "UPDATING WATCH_HISTORY from sync. watch_date -> $temp_dt"
+			stmt="UPDATE watch_history SET watch_date = '$temp_dt' WHERE anime_name = '$2' AND episode_number = $3;"
+			;;
+		watch)
+			lg "UPDATING WATCH_HISTORY: anime_name='$2', episode_number='$3' watch_date='$datetime'"
+			stmt="UPDATE watch_history SET watch_date = '$datetime' WHERE anime_name = '$2' AND episode_number = $3;"
+			;;
+	esac
 	wait # in case there's another insert/update still running in background?
 	run_stmt "$stmt"
 }
@@ -274,7 +273,6 @@ sync_watch_history() {
 	errs=0
 	while read -r line; do
 		anime_name="${line/ //}"
-		# for each episode of $anime_name on the remote machine, check local
 		while read -r ep; do
 			episode_num=$(awk -F '|' '{print $1}' <<< "$ep")
 			watch_date=$(awk -F '|' '{print $NF}' <<< "$ep")
@@ -360,8 +358,7 @@ get_directory_data() {
 find_media() {
 	inp="$1"
 	[ -z "$inp" ] && die "No directory"
-	# workaround to allow logging w/o affecting return output
-	lg "INPUT DIR: $inp" 1> /dev/stderr
+	lg "BEGIN find_media() on $inp" 1> /dev/stderr
 
 	# base case hit when a file is found
 	if [ -f "$inp" ]; then
@@ -370,7 +367,6 @@ find_media() {
 	fi
 
 	get_directory_data "$inp"
-	[ -z "$inp" ] && return 1
 	selection="$(rofi -dpi "$DPI" -dmenu -only-match -async-pre-read 33 -config "$ROFI_CFG" \
 		-l 15 -i -sep '|' -mesg "$(generate_span "Current directory: $inp")" -a "$watched" \
 		-p "Enter selection" <<< "$inputlist")"
@@ -408,13 +404,8 @@ find_media() {
 ##   main code     ##
 #####################
 
-# get query
 get_search_query() {
-	# Get search history
-	stmt="SELECT DISTINCT id || '. ' || anime_name \
-		  FROM search_history \
-		  ORDER BY search_date DESC;"
-
+	stmt="SELECT DISTINCT id || '. ' || anime_name FROM search_history ORDER BY search_date DESC;"
 	msg="Choose from list of searched anime below, or enter a unique name of an anime to search for"
 	if [ "$IS_ROFI" -eq 1 ]; then
 		query=$(rofi -dpi "$DPI" -dmenu -l 15 -p "Search Anime:" \
@@ -429,8 +420,8 @@ get_search_query() {
 	fi
 }
 
+# get anime name along with its id
 search_anime() {
-	# get anime name along with its id
 	lg "NUM ARGS: $#"
 	if [[ $# -gt 1 ]]; then
 		# if multi-word query, concatenate into one string and replace spaces with '-'
@@ -450,9 +441,7 @@ search_anime() {
 }
 
 search_eps() {
-	# get available episodes for anime_id
 	anime_id=$1
-
 	curl -s "$BASE_URL/category/$anime_id" |
 		sed -n -E '
 		/^[[:space:]]*<a href="#" class="active" ep_start/{
@@ -462,8 +451,8 @@ search_eps() {
 		'
 }
 
+# Select anime from query results
 anime_selection() {
-	# Select anime from query results
 	search_results=$*
 	if [ "$IS_ROFI" -eq 1 ]; then
 		menu=()
@@ -475,7 +464,7 @@ anime_selection() {
 			menu+="$((cnt + 1)). $anime_id\n"
 			res["$cnt"]="$anime_id"
 			lg "ANIME: $anime_id"
-			if ! check_db "$anime_id" "search"; then
+			if ! check_db "search" "$anime_id"; then
 				lg "$anime_id HAS BEEN SEARCHED BEFORE"
 				[ -z "$searched" ] && searched="$cnt" || searched="$searched, $cnt"
 			fi
@@ -510,7 +499,7 @@ anime_selection() {
 		menu_format_string_c1="$c_blue[$c_cyan%d$c_blue] $c_reset%s\n"
 		menu_format_string_c2="$c_blue[$c_cyan%d$c_blue] $c_yellow%s$c_reset\n"
 		count=1
-		while read anime_id; do
+		while read -r anime_id; do
 			# alternating colors for menu
 			[ $((count % 2)) -eq 0 ] &&
 				menu_format_string=$menu_format_string_c1 ||
@@ -558,9 +547,7 @@ episode_selection() {
 	if [ "$IS_ROFI" -eq 1 ]; then
 		# select episode number for anime
 		lg "Anime ID: $anime_id"
-		stmt="SELECT DISTINCT episode_number \
-        FROM watch_history \
-        WHERE anime_name = '$anime_id';"
+		stmt="SELECT DISTINCT episode_number FROM watch_history WHERE anime_name = '$anime_id';"
 
 		# Get Watch History for $anime_id as comma separated list
 		watch_history=""
@@ -574,7 +561,9 @@ episode_selection() {
 		lg "Episode watch history -> $watch_history"
 
 		# get user choice and set the start and end
-		msg=$(printf "%s\n%s" "$(generate_span "Anime Name: $anime_id")" "$(generate_span "Range of episodes can be provided as: START_EPISODE - END_EPISODE")")
+		msg1="Anime Name: $anime_id"
+		msg2="Range of episodes can be provided as: START_EPISODE - END_EPISODE"
+		[ "$is_download" -eq 1 ] && msg=$(printf "%s\n%s" "$(generate_span "$msg1")" "$(generate_span "$msg2")") || msg=$(printf "%s\n" "$(generate_span "$msg1")")
 		choice=$(
 			seq 1 "$last_ep_number" |
 				rofi -dpi "$DPI" -dmenu -l 12 \
@@ -684,7 +673,7 @@ stream() {
 	anime_id="${query// /}"
 	[ -z "$anime_id" ] && die "No anime selected or queried"
 	lg "Checking if anime: $anime_id has been searched before..."
-	check_db "$anime_id" "search"
+	check_db "search" "$anime_id"
 	searched="$?"
 	lg "Searched before: $searched"
 	if [ "$searched" -eq 0 ]; then
@@ -705,7 +694,6 @@ stream() {
 	episode_selection
 }
 
-# option parsing
 parse_args() {
 	# to clear the colors when exited using SIGINT
 	trap "printf '$c_reset'" INT HUP
@@ -714,12 +702,8 @@ parse_args() {
 	is_download=0
 	download_dir="."
 	half_ep=0
-	while getopts 'hd:Hsvq:cf:t:T:CQ:D:S' OPT; do
+	while getopts 'd:Hsvq:cf:t:T:CQ:D:S' OPT; do
 		case "$OPT" in
-			h)
-				help_text
-				exit 0
-				;;
 			d)
 				is_download=1
 				download_dir="$OPTARG"
@@ -834,11 +818,7 @@ main() {
 			fi
 			lg "SELECTION: $selection_id"
 
-			stmt="SELECT episode_number \
-			FROM watch_history \
-			WHERE anime_name = '$selection_id' \
-			ORDER BY watch_date DESC \
-			LIMIT 1"
+			stmt="SELECT episode_number FROM watch_history WHERE anime_name = '$selection_id' ORDER BY watch_date DESC LIMIT 1;"
 			ep_choice_start=$(run_stmt "$stmt")
 			lg "Most recently watched episode: $ep_choice_start"
 			;;
@@ -893,7 +873,6 @@ main() {
 
 	check_input
 
-	# plays selected episode(s)
 	for ep in $episodes; do
 		open_episode "$selection_id" "$ep" "$download_dir"
 	done