Restructuring

This commit is contained in:
Jon-William Lewis
2016-08-14 13:08:32 -05:00
parent 7438806847
commit 687e7b59e4
21 changed files with 916 additions and 349 deletions

160
src/libSNS.src.sh Normal file
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# Simple Note System
# Copyright (C) 2016, Jon Lewis
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License along
# with this program; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
function create(){
# Depends : p_header
# Requires: $NOTE, $NOTE_DIR,
# Optional: $ENCRYPTION, $SESSION_ID, $TMP_DIR encrypt
# Given a valid setup, create writes the standard note header as specified
# by p_header, to $NOTE.
# Refuse to overwrite a note
if [ -e "$NOTES_DIR/$NOTE" ]; then
>&2 printf "$RED_COLOR!$RESET_COLOR %s\n\t%s\n"\
"Note already exists"\
"Hint: use -e to edit the note."
exit 200
fi
# If the note's notebook/section does not exist,
# create the appropriate folders.
mkdir -p "$NOTES_DIR"/"$(dirname "$NOTE")"
# Write the standard note header
if [ "$ENCRYPTION" == "TRUE" ]; then
TMP_NOTE="$TMP_DIR"/"$SESSION_ID"
p_header > "$TMP_NOTE"
encrypt
else
p_header > "$NOTES_DIR/$NOTE"
fi
# Make sure the note exists, and inform the user of the result.
if [ -e "$NOTES_DIR/$NOTE" ]; then
printf "%s\n" "- Created note: ${NOTE%.*}"
else
>&2 printf "$RED_COLOR!$RESET_COLOR %s\n"\
"Something went wrong, and the note was not created."
fi
}
function delete(){
# Requires: $NOTE, $NOTE_DIR
# Given a valid $NOTE, delete removes $NOTE from sns.
if [ -e "$NOTES_DIR/$NOTE" ]; then
rm "$NOTES_DIR/$NOTE"
printf "%s\n" "- Deleted note: ${NOTE%.*}."
#Cleanup empty notebooks/sections]
find "$NOTES_DIR" -mindepth 1 -type d | tac |\
while read -r DIR ; do
if [ ! "$(ls -A "$DIR")" ]; then
rmdir "$DIR"
fi
done
else
>&2 printf "$RED_COLOR!$RESET_COLOR %s\n" "Note ${NOTE%.*} does not exist."
fi
}
function edit(){
# Requires: $EDITOR, $NOTE
# Optional: $ENCRYPTION, $TMP_DIR, $SESSION_ID, decrypt, encrypt
# Verify an editor was specified
if [ -z "$EDITOR" ]; then
>&2 printf "$RED_COLOR!$RESET_COLOR %s\n"\
"No editor specified in environment."
exit
# Verify the note exists
elif [ ! -r "$NOTES_DIR/$NOTE" ]; then
>&2 printf "$RED_COLOR!$RESET_COLOR %s\n"\
"Note cannot be opened for editing."
exit 40;
fi
# If encryption is enabled, decrypt $NOTE to a temp file, otherwise
# operate on the note directly.
if [ "$ENCRYPTION" == "TRUE" ]; then
cp "$NOTES_DIR/$NOTE" "$NOTES_DIR/$NOTE.bk" #Insurance
TMP_NOTE="$TMP_DIR/$SESSION_ID"
decrypt > "$TMP_NOTE"
else
TMP_NOTE="$NOTES_DIR/$NOTE";
fi
# Write an ammendment header
if [ -z "$CREATE" ]; then
printf "\n%s\n" "edit - $(date "$DATE_FMT")" >> "$TMP_NOTE"
printf "%s\n" "===================================" >> "$TMP_NOTE"
fi
# Call the editor
printf "%s\n" "- editing ${NOTE%.*}"
"$EDITOR" "$TMP_NOTE"
# If the file was previously decrypted, encrypt it back
if [ "$ENCRYPTION" == "TRUE" ]; then
printf "%s\n" "- encrypting ${NOTE%.*}"
rm "$NOTES_DIR/$NOTE"
encrypt;
rm "$TMP_NOTE"
if [ ! -r "$NOTES_DIR/$NOTE" ]; then
>&2 printf "$RED_COLOR!$RESET_COLOR %s\n" "error: note was not saved."
cp "$NOTES_DIR/$NOTE.bk" "$NOTES_DIR/$NOTE"
else
rm "$NOTES_DIR/$NOTE.bk";
fi
fi
}
function help {
printf "\n%s" "usage: sns [-cedlp] <notebook/section/name>"
if [ -z "$VCTL" ]; then
printf "\n%s%s%s" "usage: sns " "$VCTL" " ..."
fi
printf "\n%s" " sns [-hi ]"
printf "\n%s" " -c | --create : Create note"
printf "\n%s" " -d | --delete : Delete note"
printf "\n%s" " -e | --edit : Open note for editing"
printf "\n%s" " -h | --help : Display this message"
printf "\n%s" " -i | --init : Write default config and initalize SNS store"
printf "\n%s" " -l | --list : List all notes in NOTEBOOK"
printf "\n%s" " -p | --print : Print note to console"
printf "\n\n"
}
function list(){
# This function, given a folder, $NOTE, will list the contents of $NOTE.
cd "$(dirname "$NOTES_DIR/$NOTE")"
find . -type f -name "*$EXT" | while read file; do
printf "%s\n" "$file"
done
}
function p_header(){
printf "# %s\n## %s\n" "$(basename "${NOTE%.*}")" "$(date "$DATE_FMT")"
}
function print(){
# Given an existing file, $NOTE, print prints the contents of $NOTE to stdout.
if [ -r "$NOTE" ]; then
if [ "$ENCRYPTION" == "TRUE" ]; then decrypt #to stdout
else cat "$NOTE"; fi
else
>&2 printf "$RED_COLOR!$RESET_COLOR %s\n\t%s\n"\
"Note cannot be found."
exit 205 #ERR_NOTE_NO_READ
fi
}