get rid of old routes and update readme to reflect sql parameterizaion

This commit is contained in:
Paul Trowbridge 2020-11-27 11:41:47 -05:00
parent 83a936d324
commit a9b1523f93
2 changed files with 8 additions and 74 deletions

View File

@ -6,23 +6,22 @@ var https = require('https');
var bodyParser = require('body-parser');
const server = express();
const pg = require('pg');
//---------read sql files into variables----------------
var fs = require('fs');
var readline = require('readline');
//-------------------------------------------------------
//-----------------------------point to ssl info------------------------------------
var options = {
key: fs.readFileSync(process.env.wd + 'key.pem'),
cert: fs.readFileSync(process.env.wd + 'cert.pem'),
passprase: []
};
//-----------------------------create server process--------------------------------
https.createServer(options, server).listen(process.env.nodeport, () => {
console.log('started on ' + process.env.nodeport)
});
//server.listen(3000, () => console.log('started'))
//-----------------------------create permanent database connetion------------------
var Postgres = new pg.Client({
user: process.env.user,
password: process.env.password,
@ -34,6 +33,7 @@ var Postgres = new pg.Client({
});
Postgres.connect();
//------------create a callable sql exec func that return first rows----------------
Postgres.FirstRow = function(inSQL, args, inResponse) {
Postgres.query(inSQL, args, (err, res) => {
if (err === null) {
@ -45,8 +45,10 @@ Postgres.FirstRow = function(inSQL, args, inResponse) {
});
};
server.get('/', (req, res) => res.send('node.js express is up and running'))
//------------route to test if the process is running-------------------------------
server.get('/', (req, res) => res.send('pivotscale api is running'))
//------------build forecast baseline that is a mirror of the target period---------
server.get('/baseline', bodyParser.json(), function(req, res) {
var sql = "";
@ -91,72 +93,3 @@ server.get('/baseline', bodyParser.json(), function(req, res) {
Postgres.FirstRow(sql, [], res)
};
})
server.get('/scenario_package', bodyParser.json(), function(req, res) {
var sql = "";
var w = "";
var c = 1;
var d = 1;
var args = [];
var path = './route_sql/scenario_package.sql';
fs.readFile(path, 'utf8', function(err, data) {
if (!err) {
callback(data);
} else {
console.log("fatal error pulling sql file")
callback(err);
}
});
var callback = function(arg) {
sql = arg;
//parse request body into a where clause
({ c, w, d } = build_where(req, c, w, d, args));
//if there was no body sent, return with nothing
if (c == 1) {
res.send("no body was sent");
return;
}
console.log(new Date().toISOString() + "-------------------------get scenario:------------------------------")
console.log(req.body);
//parse the where clause into the main sql statement
sql = sql.replace(new RegExp("where_clause", 'g'), w)
//execute the sql and send the result
console.log(sql);
Postgres.FirstRow(sql, [], res)
};
})
function build_where(req, c, w, d, args) {
for (var i in req.body.scenario) {
//console.log(i);
///console.log(req.body[i]);
if (c > 1) {
w = w +
`
AND `;
}
if (Array.isArray(req.body.scenario[i])) {
//if the scenario key has a value that is an array of items, push it into an `IN` statement
//iter = [stage1, stage2] --> SQL --> iter IN ('stag1', stage2')
w = w + i + " IN (";
for (var j in req.body.scenario[i]) {
if (d > 1) {
w = w + ",";
}
w = w + "'" + req.body.scenario[i][j] + "'";
d = d + 1;
}
w = w + ")";
} else {
w = w + i + " = '" + req.body.scenario[i] + "'";
}
args.push(req.body.scenario[i]);
c = c + 1;
};
return { c, w, d };
}

View File

@ -33,6 +33,7 @@ TO-DO:
- [ ] some of the app parameters can be consolidated, the baseline period could be one large range potentially, instead of 2 stacked periods
- [x] setup something to fill in sql parameters to do testing on the function
- [ ] update node to handle forecast name parameter
- [ ] clean up SQL generation to prevent injection
running problem list
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