304 lines
8.2 KiB
JavaScript
304 lines
8.2 KiB
JavaScript
require('dotenv').config();
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const express = require('express');
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var bodyParser = require('body-parser');
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const server = express();
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const pg = require('pg');
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//---------read sql files into variables----------------
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var fs = require('fs');
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var readline = require('readline');
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//-------------------------------------------------------
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var Postgres = new pg.Client({
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user: process.env.user,
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password: process.env.password,
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host: process.env.host,
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port: process.env.port,
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database: process.env.database,
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ssl: false,
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application_name: "osm_api"
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});
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Postgres.connect();
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Postgres.FirstRow = function (inSQL, args, inResponse) {
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Postgres.query(inSQL, args, (err, res) => {
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if (err === null) {
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inResponse.json(res.rows[0]);
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return;
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}
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inResponse.json(err.stack);
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});
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};
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server.get('/', (req, res) => res.send('node.js express is up and running'))
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server.get('/test_sql', function(req, res){
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var path = './route_meta/scenario_totals.sql'
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var callback = function(arg){
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res.send(arg)
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};
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fs.readFile(path, 'utf8', function(err, data){
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if (!err){
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callback(data);
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} else {
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callback(err);
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}
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});
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});
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server.get('/scenario_package', bodyParser.json(), function (req, res) {
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var w = "";
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var c = 1;
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var args = [];
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for (var i in req.body) {
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//console.log(i);
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///console.log(req.body[i]);
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if (c > 1) {
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w = w +
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`
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AND `
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}
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w = w + i + " = '" + req.body[i] + "'";
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args.push(req.body[i]);
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c = c + 1;
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};
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if (c == 1) {
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res.send("no body was sent");
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return;
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}
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//console.log(w);
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//console.log(args);
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w =
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`
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WITH
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mseq AS (
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SELECT * FROM
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(
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VALUES
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('Jun',1)
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,('Jul',2)
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,('Aug',3)
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,('Sep',4)
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,('Oct',5)
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,('Nov',6)
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,('Dec',7)
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,('Jan',8)
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,('Feb',9)
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,('Mar',10)
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,('Apr',11)
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,('May',12)
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) x(m,s)
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)
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--select * from mseq
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,base AS (
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SELECT
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order_season
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,order_month
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,version
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,iter
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,part_descr
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,bill_cust_descr
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,ship_cust_descr
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,SUM(units) units
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,SUM(value_usd) value_usd
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FROM
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rlarp.osm_fcpool
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WHERE
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`+ w +
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`GROUP BY
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order_season
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,order_month
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,version
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,iter
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,part_descr
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,bill_cust_descr
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,ship_cust_descr
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)
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,months AS (
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SELECT
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order_season
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,version
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,iter
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,order_month
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,mseq.s seq
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,sum(units) units
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,sum(value_usd) value_usd
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FROM
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base
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INNER JOIN mseq ON
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mseq.m = base.order_month
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GROUP BY
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order_season
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,version
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,iter
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,order_month
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,s
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)
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,mpvt AS (
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SELECT
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order_month
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,seq
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,SUM(units) FILTER (WHERE order_season = 2019) "2019 qty"
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,SUM(units) FILTER (WHERE order_season = 2020 AND iter = 'copy') "2020 base qty"
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,SUM(units) FILTER (WHERE order_season = 2020 AND iter = 'adjustment') "2020 adj qty"
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,SUM(units) FILTER (WHERE order_season = 2020 AND iter IN ('copy','adjustment')) "2020 tot qty"
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,SUM(value_usd) FILTER (WHERE order_season = 2019) "2019 value_usd"
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,SUM(value_usd) FILTER (WHERE order_season = 2020 AND iter = 'copy') "2020 base value_usd"
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,SUM(value_usd) FILTER (WHERE order_season = 2020 AND iter = 'adjustment') "2020 adj value_usd"
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,SUM(value_usd) FILTER (WHERE order_season = 2020 AND iter IN ('copy','adjustment')) "2020 tot value_usd"
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FROM
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months
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GROUP BY
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order_month
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,seq
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ORDER BY
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seq ASC
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)
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,mlist AS (
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SELECT
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mseq.m order_month
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,"2019 qty"
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,"2020 base qty"
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,"2020 adj qty"
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,"2020 tot qty"
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,"2019 value_usd"
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,"2020 base value_usd"
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,"2020 adj value_usd"
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,"2020 tot value_usd"
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FROM
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mseq
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LEFT OUTER JOIN mpvt ON
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mpvt.order_month = mseq.m
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ORDER BY
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mseq.s ASC
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)
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,totals AS (
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SELECT
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order_season
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,version
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,iter
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,sum(units) units
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,sum(value_usd) value_usd
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FROM
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months
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GROUP BY
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order_season
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,version
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,iter
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)
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SELECT
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jsonb_build_object(
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'months'
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,(SELECT jsonb_agg(row_to_json(months)::jsonb) FROM months)
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,'mpvt'
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,(SELECT jsonb_agg(row_to_json(mlist)::jsonb) FROM mlist)
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,'base'
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,(SELECT jsonb_agg(row_to_json(base)::jsonb) FROM base)
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,'totals'
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,(SELECT jsonb_agg(row_to_json(totals)::jsonb) FROM totals)
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) package`
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console.log(w);
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Postgres.FirstRow(w, [], res)
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//res.json("hi")
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})
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server.get('/get_pool', bodyParser.json(), function (req, res) {
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var args = [req.body.quota_rep];
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//------------------------------------------set base SQL------------------------------------
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var w =
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`
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WITH rows AS (
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SELECT
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---------customer info-----------------
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bill_cust_descr
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,billto_group
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,ship_cust_descr
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,shipto_group
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,quota_rep_descr
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,director_descr
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,segm
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,mod_chan
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,mod_chansub
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---------product info------------------
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,majg_descr
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,ming_descr
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,majs_descr
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,mins_descr
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,brand
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,part_family
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,part_group
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,branding
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,color
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,part_descr
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---------dates-------------------------
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,order_season
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,order_month
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,ship_season
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,ship_month
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,request_season
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,request_month
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,promo
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,version
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,iter
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--------values-------------------------
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,sum(value_loc) value_loc
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,sum(value_usd) value_usd
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,sum(cost_loc) cost_loc
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,sum(cost_usd) cost_usd
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,sum(units) units
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FROM
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rlarp.osm_fcpool
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WHERE
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quota_rep_descr = $1
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GROUP BY
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---------customer info-----------------
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bill_cust_descr
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,billto_group
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,ship_cust_descr
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,shipto_group
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,quota_rep_descr
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,director_descr
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,segm
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,mod_chan
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,mod_chansub
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---------product info------------------
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,majg_descr
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,ming_descr
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,majs_descr
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,mins_descr
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,brand
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,part_family
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,part_group
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,branding
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,color
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,part_descr
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---------dates-------------------------
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,order_season
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,order_month
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,ship_season
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,ship_month
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,request_season
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,request_month
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,promo
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,version
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,iter
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)
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SELECT
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json_agg(row_to_json(rows)) x
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FROM
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rows`;
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//-----------------replace default quota_rep----------------------------------------------------
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console.log(w);
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Postgres.FirstRow(w, args, res)
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//res.json("hi")
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})
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server.listen(3000, () => console.log('started'))
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