github_issues

#!/bin/bash

set -e

command_name=`basename $0`

function usage() {
  echo "Usage:"
  echo "  $command_name --username username --org org [OPTIONS]"
  echo
  echo "  Options:"
  echo "    --filter    : Indicates which sorts of issues to return. Can be one of:"
  echo "                    * assigned: Issues assigned to you"
  echo "                    * created: Issues created by you"
  echo "                    * mentioned: Issues mentioning you"
  echo "                    * subscribed: Issues you’re subscribed to updates for"
  echo "                    * all: All issues the authenticated user can see, regardless of participation or creation"
  echo "                  Default: assigned"
  echo "    --state     : Indicates the state of the issues to return. Can be either open or closed."
  echo "                  Default: close"
  echo "    --sort      : What to sort results by.  Can be either created, updated, comments. "
  echo "                  Default: created"
  echo "    --direction : The direction of the sort. Can be either asc or desc."
  echo "                  Default: asc"
  echo "    --since     : Only issues updated at or after this time are returned."
  echo "                  This is a timestamp in ISO 8601 format: YYYY-MM-DDTHH:MM:SSZ."
}

function show_options() {
  echo "   [username] $username"
  echo "        [org] $org"
  echo "     [filter] $filter"
  echo "      [state] $state"
  echo "       [sort] $sort"
  echo "  [direction] $direction"
  echo "      [since] $since"
  echo "       [page] $page"
  echo
}

function exit_or_next() {
  echo -n "Execute ([yes], no) ? |y| " >&2
  read answer

  if [ "x$answer" != "x" ] && [ "x$answer" != "xy" ] && [ "x$answer" != "xyes" ]
  then
    echo "Bye!" >&2
    exit 0
  fi
}

function error() {
  echo -n -e "\033[37;41mERROR\033[00m "
  echo $1
  echo
}

function command_not_found_and_exit() {
  error="$1: Command not found"
  error "$error" >&2
  exit 1
}

function illegal_option_and_exit() {
  error="Illegal option: $1"
  error "$error" >&2
  usage
  exit 1
}

function missing_required_parameter_and_exit() {
  error="Missing required parameter: $1"
  error "$error" >&2
  usage
  exit 1
}

function date_iso_8601() {
  local system_type=`uname -s`
  local d=$([ "x$1" != "x" ] && echo "$1" || echo "+0")

  case $system_type in
    FreeBSD|Darwin)
      date -v "${d}d" +"%Y-%m-%dT%H:%M:%SZ"
      ;;
    Linux)
      date --date "${d} day" +"%Y-%m-%dT%H:%M:%SZ"
      ;;
  esac
}

filter="assigned"
state="close"
sort="created"
direction="asc"
since=`date_iso_8601 -14`
page=1

if ! type jq >/dev/null 2>&1
then
  command_not_found_and_exit 'jq'
fi

while [ "x$1" != "x" ]
do
  case $1 in
    "--username")
      username=$2
      shift 2
      ;;
    "--org")
      org=$2
      shift 2
      ;;
    "--filter")
      filter=$2
      shift 2
      ;;
    "--direction")
      direction=$2
      shift 2
      ;;
    "--state")
      state=$2
      shift 2
      ;;
    "--since")
      since=$2
      shift 2
      ;;
    "--page")
      page=$2
      shift 2
      ;;
    "--help")
      usage
      exit 0
      ;;
    *)
      illegal_option_and_exit $1
  esac
done

if [ "x$username" == "x" ]
then
  missing_required_parameter_and_exit 'username'
fi

if [ "x$org" == "x" ]
then
  missing_required_parameter_and_exit 'org'
fi

show_options >&2

request_url="https://api.github.com/orgs/$org/issues"
params="filter=$filter&state=$state&sort=$sort&direction=$direction&since=$since&page=$page"
jq_filter='.[] | '
jq_filter=$jq_filter'"- " + .html_url + " " + .title, '
jq_filter=$jq_filter'"  - **Milestone** " + (.milestone.title // "未設定"), '
jq_filter=$jq_filter'"  - **state** " + .state, '
jq_filter=$jq_filter'"  - **labels**", '
jq_filter=$jq_filter'"    - " + .labels[].name'

exit_or_next

curl -s -u $username $request_url?$params | jq "$jq_filter" | sed 's/"//g'

exit 0