Put config in a function

baker

@@ -3,31 +3,38 @@
 #
 # config
 #
+config() {
+	if [ -f "${1:-}" ]; then
+		. "${1}"
+	fi
+	# POST_DIR stores all post markdown files
+	export POST_DIR="${POST_DIR:=post}"
 
-# POST_DIR stores all post markdown files
-readonly POST_DIR=post
+	# OUTPUT_DIR stores all compiled html
+	export OUTPUT_DIR="${OUTPUT_DIR:=out}"
 
-# OUTPUT_DIR stores all compiled html
-readonly OUTPUT_DIR=out
+	# DRAFT_DIR stores all compiled html
+	export DRAFT_DIR="${DRAFT_DIR:=draft}"
 
-# LAYOUT_DIR stores all layout markdown files
-readonly LAYOUT_DIR=layout
+	# LAYOUT_DIR stores all layout markdown files
+	export LAYOUT_DIR="${LAYOUT_DIR:=layout}"
 
-# PUBLIC_DIR stores css and static images
-readonly PUBLIC_DIR=public
+	# PUBLIC_DIR stores css and static images
+	export PUBLIC_DIR="${PUBLIC_DIR:=public}"
 
-# site
-readonly SITE_NAME='a baker blog'
-readonly SITE_DESC='written in bash'
-readonly DISQUS='bakerbash'
+	# site
+	export SITE_NAME="${SITE_NAME:=a baker blog}"
+	export SITE_DESC="${SITE_DESC:=written in bash}"
+	export DISQUS="${DISQUS:=bakerbash}"
 
-# author
-readonly AUTHOR_NAME='baker'
-readonly AUTHOR_DESC='a very-experienced bread baker, who also loves planting trees.'
-readonly AUTHOR_EMAIL='email@example.org'
-readonly AUTHOR_EMAIL_HASH="$(md5sum <<< "$AUTHOR_NAME" | awk '{ print $1 }')"
-readonly AUTHOR_TWITTER='twitter'
-readonly AUTHOR_GITHUB='github'
+	# author
+	export AUTHOR_NAME="${AUTHOR_NAME:=baker}"
+	export AUTHOR_DESC="${AUTHOR_DESC:=a very-experienced bread baker, who also loves planting trees.}"
+	export AUTHOR_EMAIL="${AUTHOR_EMAIL:=email@example.org}"
+	export AUTHOR_EMAIL_HASH="${AUTHOR_EMAIL_HASH:=$(md5sum <<< "$AUTHOR_NAME" | awk '{ print $1 }')}"
+	export AUTHOR_TWITTER="${AUTHOR_TWITTER:=twitter}"
+	export AUTHOR_GITHUB="${AUTHOR_GITHUB:=github}"
+}
 
 #
 # helper
@@ -56,7 +63,7 @@ body() {
 
 # slug creates a friendly URL like 'hello-world'
 slug() {
-	tr -cs '[:alnum:]\n' - | tr '[:upper:]' '[:lower:]' | sed 's|^-*||;s|-*$||'
+	iconv -f utf8 -t ascii//TRANSLIT | tr -cs '[:alnum:]\n' - | tr '[:upper:]' '[:lower:]' | sed 's|^-*||;s|-*$||'
 }
 
 #
@@ -271,35 +278,77 @@ usage() {
 	baker
 	  post [title]  draft a post
 	  bake          ship all posts
+	  list		list all posts with state
+	  toggle [post] toggle the draft status of a post
 	EOF
 	exit 1
 }
 
 (( $# == 0 )) && usage
 
+config
+readonly POST_DIR; readonly OUTPUT_DIR; readonly DRAFT_DIR; readonly LAYOUT_DIR; readonly PUBLIC_DIR
+readonly SITE_NAME; readonly SITE_DESC
+readonly AUTHOR_NAME; readonly AUTHOR_DESC; readonly AUTHOR_EMAIL; readonly AUTHOR_EMAIL_HASH;
+readonly AUTHOR_TWITTER; readonly AUTHOR_GITHUB; readonly DISQUS
+
 case "$1" in
 bake)
+	rm -rf "$DRAFT_DIR"
+	mkdir -p "$DRAFT_DIR"
 	rm -rf "$OUTPUT_DIR"
 	mkdir -p "$OUTPUT_DIR"
 
 	[[ -d "$POST_DIR" ]] || usage
 	[[ -d "$PUBLIC_DIR" ]] && cp -r "$PUBLIC_DIR"/. "$OUTPUT_DIR"
+	[[ -d "$PUBLIC_DIR" ]] && cp -r "$PUBLIC_DIR"/. "$DRAFT_DIR"
+	touch "$DRAFT_DIR/index.html"
 
 	readarray -t posts < <(find "$POST_DIR" -name '*.md' | sort -r)
-
+	echo "Rendering Posts..." >&2
 	idx=0
+	id_all=0
 	time for post in "${posts[@]}"; do
+		idx_prev=1;idx_next=1
 		id="$(basename "$post" .md)"
 		# skip drafts
-		[[ "$(header draft < "$post")" == false ]] || continue
+		if [ "$(header draft < "$post")" != false ]; then
+			(( id_all++ ))
+			POST_PREV='index.html';POST_NEXT='index.html'; render_file "$post" > "$DRAFT_DIR/$id.html"; continue;
+		fi
+		if [ ${idx} -eq 0 ]; then # It's the first post, so the newer one is index
+			id_prev=0
+		else # search for the previous post not draft
+			while [ -f "${posts[$((id_all-idx_prev))]}" -a "$(header draft < "${posts[$((id_all-idx_prev))]}" 2>/dev/null)" != false ]; do
+				(( idx_prev++ ))
+				if [ ${idx_prev} -gt ${id_all} ]; then idx_prev=${id_all}; break; fi
+			done 2>/dev/null
+		fi
+		# look for the next older post not draft
+		while [ -f "${posts[$((id_all+idx_next))]}" -a "$(header draft < "${posts[$((id_all+idx_next))]}" 2>/dev/null)" != false ]; do
+			(( idx_next++ ))
+		done 2>/dev/null
+
+		if [ ${idx} -eq 0 -o $((idx_all-idx_prev)) -eq 0 -a ${id_all} -eq 0 ]; then
+			POST_PREV="index.html"
+		else
+			POST_PREV="$( basename "${posts[$((id_all-idx_prev))]}" )"
+			POST_PREV="${POST_PREV%*.md}.html"
+		fi
+		POST_NEXT="$( basename "${posts[$((id_all+idx_next))]}" )"
+		[[ -z "${POST_PREV:=}" ]] && POST_PREV='index.html'
+		[[ -z "${POST_NEXT:=}" ]] && POST_NEXT='index.md'
+		echo "$idx - $idx_next - $id [Prev:${POST_PREV}][Next:${POST_NEXT}]"
+		POST_NEXT="${POST_NEXT%*.md}.html"
 
-		echo "$id"
 		render_file "$post" > "$OUTPUT_DIR/$id.html" &
 		declare "posts_${idx}_id"="$id"
 		export_headers "$post" "posts_${idx}_"
+		POST_PREV="$id.html"
+		(( id_all++ ))
 		(( idx++ ))
 	done
-
+	echo "Rendering Index..." >&2
 	render_file "$LAYOUT_DIR/index.md" > "$OUTPUT_DIR/index.html" &
 	wait
 	;;
@@ -322,6 +371,45 @@ post)
 	echo "$post_file"
 	[[ "$EDITOR" ]] && $EDITOR "$post_file"
 	;;
+list)
+	idx=0
+	readarray -t posts < <(find "$POST_DIR" -name '*.md' | sort -r)
+	(
+		echo "id title status"
+		for post in "${posts[@]}"; do
+			id="$(basename "$post" .md)"
+			# skip drafts
+			if [ "$(header draft < "$post")" == 'false' ]; then
+				echo "${idx} $id [Published]"
+			else
+				echo "${idx} $id [Draft]"
+			fi
+			((idx++))
+		done
+	) | column -t
+	;;
+toggle)
+	_fname=''
+	readarray -t posts < <(find "$POST_DIR" -name '*.md' | sort -r)
+	if [ -z "${2:-}" ]; then
+		usage
+	elif [ -z "${2//[0-9]/}" ]; then
+		if [ ${2} -lt ${#posts[@]} ]; then
+			_fname="${posts[${2}]}"
+		fi
+	elif [ -f "${POST_DIR}/${2}" -o -f "${POST_DIR}/${2}.md" ]; then
+		_fname="${POST_DIR}/${2//\.md/}.md"
+	fi
+	if [ -z "${_fname}" ]; then
+		echo "This post doesn't exist"
+		exit 1
+	fi
+	if [ "$(header draft < "${_fname}")" == 'false' ]; then
+		sed -i -e 's;^[[:space:]]*draft:[[:space:]]*false[[:space:]]*$;draft: true;g'  "${_fname}"
+	else
+		sed -i -e 's;^[[:space:]]*draft:[[:space:]]*.*[[:space:]]*$;draft: false;g'  "${_fname}"
+	fi
+	;;
 *)
 	usage
 	;;

layout/post.md

@@ -12,6 +12,8 @@
 	<nav>
 		<ul class="nav nav-pills pull-right">
 			<li class="active"><a href="index.html">Home</a></li>
+			<li><a href="{{ POST_PREV }}" title="Newer"><i class="fa fa-long-arrow-left fa-2x"></i></a></li>
+			<li><a href="{{ POST_NEXT }}" title="Older"><i class="fa fa-long-arrow-right fa-2x"></i></a></li>
 			<li><a href="#author">About</a></li>
 		</ul>
 	</nav>

post/2015-11-20-welcome-to-baker.md

@@ -0,0 +1,11 @@
+---
+title: Welcome to Baker!
+date: 2015-11-20T11:06:07Z
+layout: post
+draft: false
+summary: This is your second post.
+---
+
+With the **Markdown** syntax, expect more readbility. Be prepared to start blogging!
+
+<iframe width="100%" height="166" scrolling="no" frameborder="no" src="https://w.soundcloud.com/player/?url=https%3A//api.soundcloud.com/tracks/121515363&color=ff5500"></iframe>