235 lines
3.6 KiB
Bash
Executable file
235 lines
3.6 KiB
Bash
Executable file
#!/usr/bin/env bash
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set -e
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DATE_FORMAT="%a, %d %b %Y %H:%M:%S %z"
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BASEDIR=~/Notes
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EDITOR="${EDITOR:-vim}"
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if [ ! -d "$BASEDIR" ]; then
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mkdir -p "$BASEDIR"
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fi
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die() {
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echo "$@" 1>&2;
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exit 1
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}
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uuid()
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{
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local N B T
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for (( N=0; N < 16; ++N ))
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do
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B=$(( RANDOM%255 ))
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if (( N == 6 ))
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then
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printf '4%x' $(( B%15 ))
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elif (( N == 8 ))
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then
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local C='89ab'
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printf '%c%x' ${C:$(( RANDOM%${#C} )):1} $(( B%15 ))
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else
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printf '%02x' $B
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fi
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for T in 3 5 7 9
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do
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if (( T == N ))
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then
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printf '-'
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break
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fi
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done
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done
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echo
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}
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canonicalize() {
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NAME="$1"
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NAME="$(echo "$NAME" | tr '[:upper:]' '[:lower:]')"
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NAME="$(echo "$NAME" | sed 's/[^a-z0-9]/_/g')"
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echo "$NAME"
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}
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utc_timestamp() {
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date -u +"%Y%m%d%H%M%S"
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}
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find_file_by_id() {
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ID="$1"
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{ grep -l -r -m1 "^X-Note-Id: $ID$" "$BASEDIR" || true; } | sort| head -1
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}
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assert_find_file_by_id() {
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FILE="$(find_file_by_id "$1")"
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if [ ! -f "$FILE" ]; then
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die "Note with ID <$ID> not found"
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fi
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echo "$FILE"
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}
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list_entries() {
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FILTER="\
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BEGIN { \
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message_id=0; \
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subject=0; \
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date=0; \
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} \
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match(\$0, /^X-Note-Id: .*$/) { \
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if (message_id != 0) { \
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if (subject !=0 && date != 0)\
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print date, message_id, subject; \
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subject = 0; \
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date = 0; \
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};\
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message_id = substr(\$0, 12, RLENGTH-11); \
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} \
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match(\$0, /^Subject: .*$/) { \
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if (subject != 0) { \
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if (message_id != 0 && date != 0)\
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print date, message_id, subject; \
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message_id = 0; \
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date = 0; \
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}; \
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subject = substr(\$0, 10, RLENGTH-9); \
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} \
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match(\$0, /^X-Date: .*$/) { \
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if (date != 0) { \
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if (message_id != 0 && subject != 0)\
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print date, message_id, subject; \
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subject = 0; \
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message_id = 0; \
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}; \
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date = substr(\$0, 9, RLENGTH-8); \
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} \
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END { \
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if (message_id != 0 && subject != 0 && date != 0)\
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print date, message_id, subject;\
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}\
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"
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grep -r -m 3 -h "^Subject:\|^X-Note-Id:\|^X-Date:" "$BASEDIR" --include="note.md" | awk "$FILTER" | sort | cut -d " " -f "2-"
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}
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new_entry() {
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NAME="$1"
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CANONICAL_NAME="$(canonicalize "$NAME")"
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FULL_NAME="$(utc_timestamp)-$CANONICAL_NAME"
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NOTE_ID="$(uuid)"
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NOTE_DIR="$BASEDIR/$FULL_NAME"
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NOTE_FILE="$NOTE_DIR/note.md"
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mkdir -p "$NOTE_DIR"
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TIMESTAMP=$(date -u +"%Y-%m-%dT%H:%M:%SZ")
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{
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echo "X-Date: $TIMESTAMP"
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echo "X-Note-Id: $NOTE_ID"
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echo "Subject: $NAME"
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echo
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} >> "$NOTE_FILE"
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$EDITOR "$NOTE_FILE"
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}
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edit_entry() {
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ID="$1"
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FILENAME="$(assert_find_file_by_id "$ID")"
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echo "$FILENAME"
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$EDITOR "$FILENAME"
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}
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export_note() {
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ID="$1"
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FILENAME="$(assert_find_file_by_id "$ID")"
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DIR="$2"
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if [ -z "$DIR" ]; then
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cat "$FILENAME"
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else
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die "Directory export not implemented"
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fi
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}
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fzf_entry() {
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NAME="$1"
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ID="$(echo "$2" | cut -d " " -f 1)"
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if [ -z "$ID" ]; then
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if [ ! -z "$NAME" ]; then
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new_entry "$NAME"
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fi
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else
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edit_entry "$ID"
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fi
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}
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usage() {
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echo "$0 {--new,--list,--edit,--fzf,--help}"
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}
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while (( "$#" )); do
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case "$1" in
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-n|--new)
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shift
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new_entry "$*"
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exit 0
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;;
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-l|--list)
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list_entries
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exit 0
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;;
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-e|--edit)
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if [ -z "$2" ]; then
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exit 0
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fi
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edit_entry "$2"
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exit 0
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;;
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-f|--fzf)
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fzf_entry "$2" "$3"
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exit 0
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;;
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-E|--export)
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if [ -z "$2" ]; then
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echo "Misssing arguments for $1"
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exit 1
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fi
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export_note "$2" "$3"
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exit 0
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;;
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-p|--preview)
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if [ -z "$2" ]; then
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echo "Misssing arguments for $1"
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exit 1
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fi
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NOTE_ID="$(echo $2 | cut -d " " -f 1)"
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export_note "$NOTE_ID" "" | fmt -s -w "$FZF_PREVIEW_COLUMNS"
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exit 0
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;;
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-g|--graph)
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get_graph
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exit 0
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;;
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*)
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usage
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exit 1
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;;
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esac
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done
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usage
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exit 1
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