Sample Dialogflow CX client library in Bash

dialogflow.sh

#!/bin/bash

# Copyright 2021 Ronoaldo JLP <ronoaldo@gmail.com>

# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements.  See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership.  The ASF licenses this file
# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
# with the License.  You may obtain a copy of the License at
#
#   http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing,
# software distributed under the License is distributed on an
# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
# KIND, either express or implied.  See the License for the
# specific language governing permissions and limitations
# under the License.

# Use Default Application Credentials - Required!
export GOOGLE_APPLICATION_CREDENTIALS=./credentials.json
if ! [ -f $GOOGLE_APPLICATION_CREDENTIALS ] ; then
	echo "Missing $GOOGLE_APPLICATION_CREDENTIALS"
	exit 1
fi

PROJECT=${PROJECT:-$(gcloud config get-value project 2>/dev/null)}
ENDPOINT="https://dialogflow.googleapis.com/v3/"

token() {
	gcloud auth application-default print-access-token
}

get() {
	curl -s -L -X GET -H "Authorization: Bearer $(token)" "${ENDPOINT}${1}"
}

post() {
	curl -L -X POST -H "Authorization: Bearer $(token)" -H "Content-Type: application/json" -d @"$2" "${ENDPOINT}${1}"
}

patch() {
	curl -L -X PATCH -H "Authorization: Bearer $(token)" -H "Content-Type: application/json" -d @"$2" "${ENDPOINT}${1}"
}

save_entities() {
	while read entity ; do
		name="$(jq -r '.name' <<<"$entity")"; name="${name##*/}"
		display_name="$(jq -r '.displayName' <<<"$entity")"
		mkdir -p $1
		jq '.' > $1/$name <<<"$entity"
	done
}

usage() {
	cat <<EOF
Usage:

dialogflow.sh agents export
	Export all agents for the current project ($PROJECT) in the agents/ folder

dialogflow.sh intents export AGENT_NAME
	Export all intents for the provided agent into agents/AGENT_NAME.intents/

dialogflow.sh intents import INTENT_FILE
	Import the provided intent using the intent.name attribute from the file itself.
EOF
}

case $1 in
	agents)
		case $2 in
			export)
				get projects/$PROJECT/locations/global/agents | jq -c '.agents[]' | save_entities "agents"
			;;
			*) usage ;;
		esac ;;
	intents)
		case $2 in
			export)
				agent="${3##*/}"
				if [ x"$agent" == x"" ] ; then
					echo "Please provide the agent UUID to export intents"
					exit 1
				fi
				get projects/$PROJECT/locations/global/agents/${agent}/intents | jq -c '.intents[]' | save_entities "agents/${agent}.intents/"
			;;
			import)
				shift ; shift
				while [ $# -gt 0 ] ; do
					patch "$(jq -r '.name' <"$1")" "$1"
					shift
				done
			;;
			*) usage ;;
		esac ;;
	*) usage ;;
esac