From 79091ae054418100b8c8d7628d107840425bfe68 Mon Sep 17 00:00:00 2001 From: Alex Epstein Date: Sat, 15 Jul 2017 20:29:52 -0400 Subject: [PATCH] Completed base functionality for todo tool --- todo/todo | 199 ++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 199 insertions(+) create mode 100755 todo/todo diff --git a/todo/todo b/todo/todo new file mode 100755 index 0000000..7ea1948 --- /dev/null +++ b/todo/todo @@ -0,0 +1,199 @@ +#!/bin/bash +# Author: Alexander Epstein https://github.com/alexanderepstein +flag="" +currentVersion="1.12.0" +configuredClient="" + +## This function determines which http get tool the system has installed and returns an error if there isnt one +getConfiguredClient() +{ + if command -v curl &>/dev/null ; then + configuredClient="curl" + elif command -v wget &>/dev/null ; then + configuredClient="wget" + elif command -v fetch &>/dev/null ; then + configuredClient="fetch" + else + echo "Error: This tool reqires either curl, wget, or fetch to be installed." + return 1 + fi + +} + +## Allows to call the users configured client without if statements everywhere +httpGet() +{ + case "$configuredClient" in + curl) curl -A curl -s "$@";; + wget) wget -qO- "$@";; + fetch) fetch -o "...";; + esac +} + + +update() +{ + # Author: Alexander Epstein https://github.com/alexanderepstein + # Update utility version 1.2.0 + # To test the tool enter in the defualt values that are in the examples for each variable + repositoryName="Bash-Snippets" #Name of repostiory to be updated ex. Sandman-Lite + githubUserName="alexanderepstein" #username that hosts the repostiory ex. alexanderepstein + nameOfInstallFile="install.sh" # change this if the installer file has a different name be sure to include file extension if there is one + latestVersion=$(httpGet https://api.github.com/repos/$githubUserName/$repositoryName/tags | grep -Eo '"name":.*?[^\\]",'| head -1 | grep -Eo "[0-9.]+" ) #always grabs the tag without the v option + + if [[ $currentVersion == "" || $repositoryName == "" || $githubUserName == "" || $nameOfInstallFile == "" ]];then + echo "Error: update utility has not been configured correctly." >&2 + exit 1 + elif [[ $latestVersion == "" ]];then + echo "Error: no active internet connection" >&2 + exit 1 + else + if [[ "$latestVersion" != "$currentVersion" ]]; then + echo "Version $latestVersion available" + echo -n "Do you wish to update $repositoryName [Y/n]: " + read -r answer + if [[ "$answer" == "Y" || "$answer" == "y" ]] ;then + cd ~ || { echo 'Update Failed' ; exit 1 ; } + if [[ -d ~/$repositoryName ]]; then rm -r -f $repositoryName || { echo "Permissions Error: try running the update as sudo"; exit 1; } ; fi + git clone "https://github.com/$githubUserName/$repositoryName" || { echo "Couldn't download latest version" ; exit 1; } + cd $repositoryName || { echo 'Update Failed' ; exit 1 ;} + git checkout "v$latestVersion" 2> /dev/null || git checkout "$latestVersion" 2> /dev/null || echo "Couldn't git checkout to stable release, updating to latest commit." + chmod a+x install.sh #this might be necessary in your case but wasnt in mine. + ./$nameOfInstallFile "update" || exit 1 + cd .. + rm -r -f $repositoryName || { echo "Permissions Error: update succesfull but cannot delete temp files located at ~/$repositoryName delete this directory with sudo"; exit 1; } + else + exit 1 + fi + else + echo "$repositoryName is already the latest version" + fi + fi + +} + +addTask() +{ + if [ ! -f ~/.todo/list.txt ]; then + if [ ! -d ~/.todo ];then mkdir ~/.todo;fi + touch ~/.todo/list.txt + fi + echo "$1 ; $(date)" >> ~/.todo/list.txt +} + +checkInternet() +{ + httpGet google.com > /dev/null 2>&1 || { echo "Error: no active internet connection" >&2; return 1; } # query google with a get request +} + +removeTask() +{ + touch ~/.todo/temp.txt + taskNumber=$1 + count="1" + IFS=$'\n' # make newlines the only separator + for task in $(cat ~/.todo/list.txt) + do + if [[ $count != $taskNumber ]];then + echo "$task" >> ~/.todo/temp.txt;fi + count=$(echo $count + 1 | bc) + done + rm -f ~/.todo/list.txt + cp ~/.todo/temp.txt ~/.todo/list.txt + rm -f ~/.todo/temp.txt +} + +getTasks() +{ + if [ -f ~/.todo/list.txt ]; then + checkEmpty=$(cat ~/.todo/list.txt) + if [[ $checkEmpty == "" ]];then echo "No tasks found"; + else + count="1" + IFS=$'\n' # make newlines the only separator + for task in $(cat ~/.todo/list.txt) + do + if [ $count -lt 10 ];then count="0$count";fi + echo "$count). $task" >> ~/.todo/getTemp.txt + count=$(echo $count + 1 | bc) + done + cat ~/.todo/getTemp.txt | column -t -s ";" + rm -f ~/.todo/getTemp.txt + fi + else + echo "No tasks found" + fi +} + +clearAllTasks() +{ + rm -f ~/.todo/list.txt || return 1 + touch ~/.todo/list.txt || return 1 + echo "Tasks cleared." +} + +while getopts "cr:a:guvh" opt; do + case $opt in + \?) + echo "Invalid option: -$OPTARG" >&2 + exit 1 + ;; + c) + if [[ $flag == "" ]];then flag="clear" + else echo "Error: all flags are mutually exclusive" && exit 1;fi + ;; + h) + usage + exit 0 + ;; + v) + echo "Version $currentVersion" + exit 0 + ;; + g) + if [[ $flag == "" ]];then flag="get" + else echo "Error: all flags are mutually exclusive" && exit 1;fi + ;; + r) + if [[ $flag == "" ]];then flag="remove" + else echo "Error: all flags are mutually exclusive" && exit 1;fi + ;; + a) + if [[ $flag == "" ]];then flag="add" + else echo "Error: all flags are mutually exclusive" && exit 1;fi + ;; + u) + getConfiguredClient || exit 1 + checkInternet || exit 1 + update + exit 0 + ;; + :) + echo "Option -$OPTARG requires an argument." >&2 + exit 1 + ;; + esac +done + + +if [[ $# == "0" ]]; then + usage +elif [[ $# == "1" ]];then + if [[ $1 == "clear" ]];then + clearAllTasks || exit 1 + elif [[ $1 == "update" ]]; then + getConfiguredClient || exit 1 + checkInternet || exit 1 + update || exit 1 + exit 0 + elif [[ $1 == "help" ]]; then + usage + exit 0 + elif [[ $flag == "clear" ]];then clearAllTasks || exit 1 + elif [[ $flag == "get" ]];then getTasks || exit 1 + fi +else + if [[ $flag == "add" ]];then addTask "${*:2}" && getTasks|| exit 1 + elif [[ $flag == "remove" ]];then removeTask $2 || exit 1 + else usage;fi +fi