132 lines
4.2 KiB
TypeScript
132 lines
4.2 KiB
TypeScript
import { Application, Router } from 'https://deno.land/x/oak/mod.ts';
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import { Client } from "https://deno.land/x/postgres@v0.17.0/mod.ts";
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const app = new Application();
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const router = new Router();
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//---------dotenv info-------------
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import { load } from "https://deno.land/std/dotenv/mod.ts";
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const env = await load();
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const hostname = env["HOSTNAME"];
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const port = env["PORT"];
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const user = env["USER"];
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const password = env["PASSWORD"];
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const database = env["DATABASE"];
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const app_port = env["APP_PORT"];
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// Configure database connection
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const client = new Client({
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hostname:hostname
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,port: port
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,user: user
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,password:password
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,database:database
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,applicationName: "pricing guidance"
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});
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await client.connect();
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// Load SQL from file
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const query = await Deno.readTextFile("sql/get.pg.sql");
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function apply_guidance(doc: any) {
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let mostRelevantPrice = null;
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let mostRelevantKey = null;
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let highestRelevanceLevel = -1; // Assume -1 is less than any relevance level
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// Function to update price and assign relevance indicator
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function updatePriceAndAssignRelevance(items, channelFirstChar, v1ds, v0ds, histKey) {
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for (let item of items) {
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// Update the last_price with the most recent price
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const years = Object.keys(item.season);
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if (years.length > 0) {
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const recentYear = Math.max(...years.map(Number));
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const lastPrice = item.season[recentYear].price_usd;
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item.last_price = lastPrice;
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} else {
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item.last_price = null; // or some default value as appropriate
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}
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// Initialize relevance as numeric value
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let relevance = 0; // Assume 0 is 'not relevant'
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// Check if the first character of the item's channel matches the first character of the document's channel
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if (item.chan.charAt(0) === channelFirstChar) {
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relevance = 1; // 'relevant'
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// Further refine relevance based on v1ds and v0ds
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if (item.v1ds === v1ds) {
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relevance = 2; // 'most relevant' because v1ds matches
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} else if (item.v0ds === v0ds) {
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relevance = relevance === 2 ? 2 : 1; // Keep relevance as is if v1ds was matched, otherwise it's just 'relevant'
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}
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}
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// Assign the calculated relevance to the item
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item.relevance = relevance;
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// Update the most relevant price if this item's relevance is higher
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if (relevance > highestRelevanceLevel) {
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highestRelevanceLevel = relevance;
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mostRelevantPrice = item.last_price;
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mostRelevantKey = histKey;
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}
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}
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}
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// Iterate over each key in the "hist" object
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for (let key of Object.keys(doc.hist)) {
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// Update price and relevance for each item in the current key
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updatePriceAndAssignRelevance(doc.hist[key], doc.chan[0], doc.v1ds, doc.v0ds, key);
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}
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// Assign the most relevant price and key to the top level of the document
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if (mostRelevantPrice !== null) {
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doc.mostRelevantPriceInfo = {
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price: mostRelevantPrice,
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histKey: mostRelevantKey
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};
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}
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return doc;
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}
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// Function to update each item with the most recent price
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function updateWithMostRecentPrice(items) {
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for (let item of items) {
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// Find the most recent price
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//const lastPrice = findMostRecentPrice(item.season);
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const years = Object.keys(item.season);
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const recentYear = Math.max(...years);
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const lastPrice = item.season[recentYear].price_usd;
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// Append the last_price to the item
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item.last_price = lastPrice;
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}
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}
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// Define a route to retrieve values from the database using parameters
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router.get('/code_price/:billcode/:shipcode/:partcode/:qty', async (ctx) => {
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const partcode = ctx.params.partcode;
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const billcode = ctx.params.billcode;
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const shipcode = ctx.params.shipcode;
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const qty = ctx.params.qty;
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//console.log(partcode)
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//console.log(customer)
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const result = await client.queryObject({args: [billcode, shipcode, partcode, qty], text: query} );
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const procd = apply_guidance(result.rows[0]["doc"])
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ctx.response.body = procd
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});
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app.use(router.routes());
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app.use(router.allowedMethods());
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// Start the server
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console.log('Server is running on http://usmidsap02:8090');
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await app.listen({ port: 8090 });
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