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1 | #! /bin/bash |
2 | |
3 | # set -ex |
4 | |
5 | PID=$$ |
6 | VERSION="0.1" |
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7 | |
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8 | set_defaults() { |
9 | # Binaries to use |
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10 | EDITOR=${EDITOR:-/usr/bin/vim} |
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11 | TERMINAL=${TERMINAL:-/usr/bin/alacritty} |
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12 | # add options for your terminal. Remember to add the last option to execute |
13 | # your editor program, otherwise the script will fail. |
14 | # see example in the addnote function |
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15 | TERM_OPTS="--class notes --title notes -e " |
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16 | JQ=${JQ:-/usr/bin/jq} |
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17 | |
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18 | # base directory for program files |
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19 | BASEDIR=${BASEDIR:-~/.local/share/bash-notes} |
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20 | # notes database in json format |
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21 | DB=${BASEDIR}/db.json |
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22 | # directory containing the actual notes |
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23 | NOTESDIR=${BASEDIR}/notes |
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24 | |
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25 | } # end set_defaults, do not change this line. |
26 | |
27 | set_defaults |
28 | |
29 | # Do not edit below this point |
30 | RCFILE=${RCFILE:-~/.config/bash-notes.rc} |
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31 | TMPDB=/tmp/db.json |
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32 | BASENAME=$( basename $0 ) |
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33 | NOW=$(date +%s) |
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34 | |
35 | if [ ! -x $JQ ]; then |
36 | echo "jq not found in your PATH" |
37 | echo "install jq to continue" |
38 | exit 1 |
39 | fi |
40 | |
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41 | # IMPORT USER DEFINED OPTIONS IF ANY |
42 | if [[ -f $RCFILE ]]; then |
43 | source $RCFILE |
44 | fi |
45 | |
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46 | # We prevent the program from running more than one instance: |
47 | PIDFILE=/var/tmp/$(basename $0 .sh).pid |
48 | |
49 | # Make sure the PID file is removed when we kill the process |
50 | trap 'rm -f $PIDFILE; exit 1' TERM INT |
51 | |
52 | if [[ -r $PIDFILE ]]; then |
53 | # PIDFILE exists, so I guess there's already an instance running |
54 | # let's kill it and run again |
55 | kill -s 15 $(cat $PIDFILE) > /dev/null 2>&1 |
56 | # should already be deleted by trap, but just to be sure |
57 | rm $PIDFILE |
58 | fi |
59 | |
60 | # create PIDFILE |
61 | echo $PID > $PIDFILE |
62 | |
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63 | # check if input is a number, returns false or the number itself |
64 | function check_noteID() { |
65 | IN=$1 |
66 | case $IN in |
67 | ''|*[!0-9]*) |
68 | return 1 |
69 | ;; |
70 | *) |
71 | echo $IN |
72 | ;; |
73 | esac |
74 | } |
75 | |
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76 | function helptext() { |
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77 | echo "Usage:" |
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78 | echo " $0 [PARAMS] ..." |
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79 | echo "" |
80 | cat << __NOWCONF__ |
81 | ${BASENAME} configuration is: |
82 | |
83 | base directory: ${BASEDIR}/ |
84 | notes archive: ${NOTESDIR}/ |
85 | notes database: ${DB} |
86 | rc file: $RCFILE |
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87 | |
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88 | text editor: ${EDITOR} |
89 | terminal: ${TERMINAL} |
90 | jq executable: ${JQ} |
91 | __NOWCONF__ |
92 | |
93 | echo "" |
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94 | echo "${BASENAME} parameters are:" |
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95 | echo " -h | --help : This help text" |
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96 | echo " -p | --plain : Output is in plain text" |
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97 | echo " (without this option the output is formatted)" |
98 | echo " (this option must precede all others)" |
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99 | echo " -l | --list : List existing notes" |
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100 | echo " -a | --add [\"<title>\"] : Add new note" |
101 | echo " -m | --modify [<note>] : Modify note" |
102 | echo " -d | --delete [<note> | all] : Delete single note or all notes at once" |
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103 | echo " -v | --version : Print version" |
104 | echo " --userconf : Export User config file" |
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105 | echo "" |
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106 | } |
107 | |
108 | function addnote() { |
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109 | # remove eventually existing temp DB file |
110 | if [[ -f $TMPDB ]]; then |
111 | rm $TMPDB |
112 | fi |
113 | |
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114 | NOTETITLE="$1" |
115 | echo "adding new note - \"$NOTETITLE\"" |
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116 | LASTID=$($JQ '.notes[-1].id // 0 | tonumber' $DB) |
117 | # [ "" == $LASTID ] && LASTID=0 |
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118 | NOTEID=$(( $LASTID + 1 )) |
119 | touch ${NOTESDIR}/${NOW} |
120 | $JQ --arg i "$NOTEID" --arg t "$NOTETITLE" --arg f "$NOW" '.notes += [{"id": $i, "title": $t, "file": $f}]' "$DB" > $TMPDB |
121 | mv $TMPDB $DB |
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122 | # example for alacritty: |
123 | # alacritty --class notes --title notes -e /usr/bin/vim ... |
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124 | $(${TERMINAL} ${TERM_OPTS} ${EDITOR} ${NOTESDIR}/${NOW}) |
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125 | } |
126 | |
127 | function listnotes() { |
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128 | # [ $PLAIN == true ] && echo "output is plain text" || echo "output is colored" |
129 | if [[ $(ls -A $NOTESDIR) ]]; then |
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130 | if [ $PLAIN == false ]; then |
131 | echo "listing all notes" |
132 | echo "" |
133 | fi |
134 | [ $PLAIN == false ] && echo "[ID] [TITLE] [CREATED]" |
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135 | for i in ${NOTESDIR}/*; do |
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136 | local fname=$(basename $i) |
137 | DATE=$(date -d @${fname} +"%d/%m/%Y %R %z%Z") |
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138 | TITLE=$($JQ -r --arg z $(basename $i) '.notes[] | select(.file == $z) | .title' $DB) |
139 | ID=$($JQ -r --arg z $(basename $i) '.notes[] | select(.file == $z) | .id' $DB) |
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140 | [ $PLAIN == false ] && echo "[${ID}] ${TITLE} ${DATE}" || echo "${ID} - ${TITLE} - ${DATE}" |
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141 | done |
142 | else |
143 | echo "no notes yet. You can add your first one with: ${BASENAME} -a \"your note title\"" |
144 | fi |
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145 | } |
146 | |
147 | function editnote() { |
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148 | NOTE=$1 |
149 | local OK=$(check_noteID $NOTE) |
150 | if [ ! $OK ]; then |
151 | echo "invalid note \"$NOTE\"" |
152 | exit 1 |
153 | fi |
154 | |
155 | TITLE=$($JQ --arg i $OK '.notes[] | select(.id == $i) | .title' $DB) |
156 | FILE=$($JQ -r --arg i $OK '.notes[] | select(.id == $i) | .file' $DB) |
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157 | if [ "$TITLE" ]; then |
158 | echo "editing note $TITLE" |
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159 | $(${TERMINAL} ${TERM_OPTS} ${EDITOR} ${NOTESDIR}/${FILE}) |
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160 | else |
161 | echo "note not found" |
162 | exit 1 |
163 | fi |
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164 | } |
165 | |
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166 | function rmnote() { |
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167 | # remove eventually existing temp DB file |
168 | if [[ -f $TMPDB ]]; then |
169 | rm $TMPDB |
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170 | fi |
171 | |
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172 | NOTE=$1 |
173 | if [ "all" == $NOTE ]; then |
174 | echo "You're going to delete all notes." |
175 | read -r -p "Do you wish to continue? (y/N) " ANSWER |
176 | case $ANSWER in |
177 | y|Y ) |
178 | $JQ 'del(.notes[])' $DB > $TMPDB |
179 | mv $TMPDB $DB |
180 | rm $NOTESDIR/* |
181 | echo "Deleted all notes" |
182 | ;; |
183 | * ) |
184 | echo "Aborting, no notes were deleted." |
185 | exit 1 |
186 | ;; |
187 | esac |
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188 | else |
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189 | local OK=$(check_noteID $NOTE) |
190 | if [ ! $OK ]; then |
191 | echo "invalid note \"$NOTE\"" |
192 | exit 1 |
193 | fi |
194 | |
195 | TITLE=$($JQ --arg i $OK '.notes[] | select(.id == $i) | .title' $DB) |
196 | FILE=$($JQ -r --arg i $OK '.notes[] | select(.id == $i) | .file' $DB) |
197 | if [ "$TITLE" ]; then |
198 | $JQ -r --arg i $OK 'del(.notes[] | select(.id == $i))' $DB > $TMPDB |
199 | mv $TMPDB $DB |
200 | rm $NOTESDIR/$FILE |
201 | echo "Deleted note $TITLE" |
202 | else |
203 | echo "note not found" |
204 | exit 1 |
205 | fi |
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206 | fi |
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207 | } |
208 | |
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209 | function export_config() { |
210 | if [ -r ${RCFILE} ]; then |
211 | echo "Backing up current '${RCFILE}'...." |
212 | mv -f ${RCFILE} ${RCFILE}.$(date +%Y%m%d_%H%M) |
213 | fi |
214 | echo "Writing '${RCFILE}'...." |
215 | sed -n '/^set_defaults() {/,/^} # end set_defaults, do not change this line./p' $0 \ |
216 | | grep -v set_defaults \ |
217 | | sed -e 's/^\([^=]*\)=\${\1:-\([^}]*\)}/\1=\2/' \ |
218 | > ${RCFILE} |
219 | if [ -r ${RCFILE} ]; then |
220 | echo "Taking no further action." |
221 | exit 0 |
222 | else |
223 | echo "Could not write '${RCFILE}'...!" |
224 | exit 1 |
225 | fi |
226 | } |
227 | |
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228 | # we should expand on this function to add a sample note and explain a little bit |
229 | # how the program works. |
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230 | function firstrun() { |
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231 | [ -f $RCFILE ] && RC=$RCFILE || RC="none" |
232 | |
233 | clear |
234 | echo "${BASENAME} configuration: |
235 | |
236 | base directory: ${BASEDIR}/ |
237 | notes archive: ${NOTESDIR}/ |
238 | notes database: ${DB} |
239 | rc file: $RC |
240 | text editor: ${EDITOR} |
241 | terminal: ${TERMINAL} |
242 | jq executable: ${JQ} |
243 | " |
244 | |
245 | read -r -p "Do you wish to continue? (y/N) " ANSWER |
246 | case $ANSWER in |
247 | y|Y ) |
248 | mkdir -p $NOTESDIR |
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249 | cat << __EOL__ > ${DB} |
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250 | { |
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251 | "params": { |
252 | "version": "${VERSION}", |
253 | "dbversion": "${NOW}" |
254 | }, |
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255 | "notes": [] |
256 | } |
257 | __EOL__ |
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258 | echo; echo "All done, you can now write your first note." |
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259 | ;; |
260 | * ) |
261 | echo "No changes made. Exiting" |
262 | exit |
263 | ;; |
264 | esac |
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265 | } |
266 | |
267 | # check for notes dir existance and create it in case it doesn't exists |
268 | if [[ ! -d $NOTESDIR ]]; then |
269 | # we don't have a directory. FIRST RUN? |
270 | firstrun |
271 | fi |
272 | |
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273 | # NOTE: This requires GNU getopt. On Mac OS X and FreeBSD, you have to install this |
274 | # separately; see below. |
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275 | GOPT=`getopt -o hvpla:m:d: --long help,version,list,plain,userconf,add:,modify:,delete:,editor:,storage: \ |
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276 | -n 'bash-notes' -- "$@"` |
277 | |
278 | if [ $? != 0 ] ; then echo "Terminating..." >&2 ; exit 1 ; fi |
279 | |
280 | # Note the quotes around `$GOPT': they are essential! |
281 | eval set -- "$GOPT" |
282 | |
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283 | PLAIN=false |
284 | |
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285 | while true; do |
286 | case "$1" in |
287 | -h | --help ) |
288 | helptext |
289 | exit |
290 | ;; |
291 | -v | --version ) |
292 | echo $BASENAME v${VERSION} |
293 | exit |
294 | ;; |
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295 | -p | --plain ) |
296 | PLAIN=true |
297 | shift |
298 | ;; |
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299 | -l | --list ) |
300 | listnotes |
301 | exit |
302 | ;; |
303 | -a | --add ) |
304 | TITLE="$2" |
305 | shift 2 |
306 | addnote "$TITLE" |
307 | ;; |
308 | -m | --modify ) |
309 | NOTE="$2" |
310 | shift 2 |
311 | editnote "$NOTE" |
312 | ;; |
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313 | -d | --delete ) |
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314 | NOTE="$2" |
315 | shift 2 |
316 | rmnote "$NOTE" |
317 | ;; |
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318 | --userconf ) |
319 | export_config |
320 | echo "config exported to \"$RCFILE\"" |
321 | exit |
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322 | ;; |
323 | -- ) |
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324 | shift |
325 | break |
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326 | ;; |
327 | * ) |
328 | break |
329 | ;; |
330 | esac |
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331 | done |
332 | |