update-apps-api

#!/bin/bash

# NOTE: This is a Bash version of the equivalent PowerShell script. If you make modifications to this file,
# you MUST make similar modifications to the PowerShell equivalent.

set -e

# This is the checkout which we build against for the swagger-codegen project. This can be a tag or a commit (or technically a branch)
# but is meant to be relatively stable, and regardless only intentionally updated, so that builds are generally speaking reproducable.
CheckoutId="129235049ab062492c75cc193ecfada84633cc56"

SkipBuild=0
SkipUpdate=0

while test $# -gt 0
do
	case "$1" in
		--SkipBuild)
		SkipBuild=1
			;;
		--SkipUpdate)
		SkipUpdate=1
			;;
	esac
	shift
done

echo "SkipBuild=$SkipBuild"

function Status {
	echo -e "\e[32m$1\e[0m"
}

function ErrorAndQuit {
	echo -e "\e[31m$1\e[0m"
	exit 1
}

function TestSoftware {
	softwares=("java" "git" "mvn" "npm" "tsp")
	notFound=()

	for s in "${softwares[@]}"
	do
		if ! [[ $(command -v $s) ]]; then
			# not found
			notFound+=("$s")
		fi
	done

	if ! [[ "${#notFound[@]}" -eq 0 ]]; then
		echo "One or more required software packages are not installed, and must be installed and available on your path before continuing."
		echo "Please install the following software before trying again:"
		for software in "${notFound[@]}"
		do
			echo "$software"
		done
		exit
	fi
}

function TestProjectFile {
	Path="$1"
	if ! [[ -d "$1" ]]; then
		read -p "Creating $Path, continue? [y/n] " -n 1 -r
		echo
		if [[ $REPLY =~ ^[Yy]$ ]]; then
			mkdir -p "$Path"
		else
			exit
		fi
	else
		echo "Using $Path"
	fi
}

function CloneOrCheckout {
	repo="$1"
	localPath="$2"
	branch="$3"

	if [[ -z "$(ls -A $localPath)" ]]; then
		#Clone
		Status "Cloning $repo into $localPath"
		git clone "$repo" "$localPath" --branch "$branch"
	else
		Status "Updating $localPath"
		#Pull
		status=$(git status --porcelain)

		if [[ -z "$status" ]]; then
			# :thumbsup:
			git fetch
			git checkout "$branch"
		else
			# :thumbsdown:
			ErrorAndQuit "$localPath has local changes, refusing to continue. Please stash or otherwise revert your changes before continuing."
		fi
	fi
}

function CheckFileOrExit {
	Path="$1"
	if [[ -d "$Path" ]]; then
		ErrorAndQuit "Could not find $Path, exiting"
	fi
}

function StartMain {
	SwaggerGenerator="$1"
	JavaRepo="$2"
	NodeRepo="$3"
	InputSpec="$4"
	TemplateDir="$5"

	Status "Ensuring prerequisite software is installed"
	TestSoftware

	Status "Creating directories if needed"
	TestProjectFile "$SwaggerGenerator"
	TestProjectFile "$JavaRepo"
	TestProjectFile "$NodeRepo"

	SwaggerGenerator=$(realpath "$SwaggerGenerator")
	JavaRepo=$(realpath "$JavaRepo")
	NodeRepo=$(realpath "$NodeRepo")
	MethodScriptDirectory=$(realpath $( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null 2>&1 && pwd )/../../)

	cd "$SwaggerGenerator"

	if [[ "$SkipUpdate" -eq 0 ]]; then
		Status "Getting Swagger Codegen"
		# Checkout SwaggerGenerator
		CloneOrCheckout "https://github.com/swagger-api/swagger-codegen" "$SwaggerGenerator" "$CheckoutId"
	fi

	if [[ "$SkipBuild" -eq 0 ]]; then
		Status "Building Swagger Codegen"
		mvn -Dmaven.test.skip=true clean package
	fi

	GeneratorJar=$(realpath modules/swagger-codegen-cli/target/swagger-codegen-cli.jar)
	CheckFileOrExit "$GeneratorJar"

	Status "Generating OpenAPI spec from $InputSpec"
	cd "$InputSpec"
	npm install
	tsp compile main.tsp --emit "@typespec/openapi3"

	InputSpec="$InputSpec/tsp-output/@typespec/openapi3/openapi.yaml"

	Status "Using $InputSpec as the OpenAPI input"

	Status "Generating Java Client"
	java -jar "$GeneratorJar" generate -i "$InputSpec" -l java -o "$JavaRepo" -DhideGenerationTimestamp=true --template-dir "$MethodScriptDirectory/mustacheTemplates"

	# Copy in src/main/java
	Status "Moving API files into MethodScript"
	cd "$MethodScriptDirectory"
	mkdir -p "$MethodScriptDirectory/src/main/java/io/swagger/client"
	rm -rf "$MethodScriptDirectory/src/main/java/io/swagger/client"
	mkdir "$MethodScriptDirectory/src/main/java/io/swagger/client"
	cp -R "$JavaRepo/src/main/java/io/swagger/client/" "$MethodScriptDirectory/src/main/java/io/swagger/"

	Status "Generating Node Server"
	java -jar "$GeneratorJar" generate -i "$InputSpec" -l nodejs-server -o "$NodeRepo" --disable-examples --template-dir "$TemplateDir"
	npx swagger-typescript-api -p "$InputSpec" -o "$NodeRepo\models" --clean-output --no-client

	Status "Done!"
}

SwaggerGeneratorDirectory="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null 2>&1 && pwd )/../../../SwaggerGenerator"
JavaRepoDirectory="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null 2>&1 && pwd )/../../../MethodScriptAppsJavaApi"
NodeRepoDirectory="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null 2>&1 && pwd )/../../../apps.methodscript.com"
InputSpec="$(realpath $( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null 2>&1 && pwd )/../../src/main/resources/apps.methodscript.com)"
TemplateDir="$NodeRepoDirectory/mustacheTemplates"

StartMain "$SwaggerGeneratorDirectory" "$JavaRepoDirectory" "$NodeRepoDirectory" "$InputSpec" "$TemplateDir"

exit 0