88 lines
1.9 KiB
TypeScript
88 lines
1.9 KiB
TypeScript
"use strict";
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import axios from "axios";
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import {
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Context,
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Service,
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ServiceBroker,
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ServiceSchema,
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Errors,
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} from "moleculer";
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import path from "path";
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import {
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analyze,
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getColorHistogramData,
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resizeImage,
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} from "../utils/imagetransformation.utils";
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export default class ImageTransformation extends Service {
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// @ts-ignore
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public constructor(
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public broker: ServiceBroker,
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schema: ServiceSchema<{}> = { name: "imagetransformation" }
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) {
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super(broker);
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this.parseServiceSchema({
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name: "imagetransformation",
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mixins: [],
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settings: {
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// Available fields in the responses
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fields: ["_id", "name", "quantity", "price"],
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// Validator for the `create` & `insert` actions.
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entityValidator: {
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name: "string|min:3",
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price: "number|positive",
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},
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},
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hooks: {},
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actions: {
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resize: {
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rest: "POST /resizeImage",
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params: {},
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async handler(
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ctx: Context<{
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imageFile: string | Buffer;
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newWidth: number;
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newHeight: number;
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outputPath: string;
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}>
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) {
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const resizeResult = await resizeImage(
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ctx.params.imageFile,
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ctx.params.outputPath,
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ctx.params.newWidth,
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ctx.params.newHeight
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);
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return { resizeOperationStatus: resizeResult };
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},
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},
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analyze: {
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rest: "POST /analyze",
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params: {},
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handler: async (
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ctx: Context<{ imageFilePath: string }>
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) => {
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const url = new URL(ctx.params.imageFilePath);
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const pathName = url.pathname;
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const decodedImageFileURI = decodeURI(pathName);
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const finalImagePath = path.resolve(
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"." + decodedImageFileURI
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);
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const analyzedData = await analyze(finalImagePath);
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const colorHistogramData = await getColorHistogramData(
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finalImagePath,
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false
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);
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return {
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analyzedData,
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colorHistogramData,
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};
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},
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},
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},
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methods: {},
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});
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}
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}
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