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loadingDock.js
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loadingDock.js
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var express = require('express');
var app = express();
var path = require('path');
const sqlite3 = require('sqlite3').verbose();
var db = new sqlite3.Database("./abcDispatch.db");
var table_cols = ["loading_dock_number", "warehouse_id", "loading_dock_deliveries"];
//template for return html page that has the option to contain a table
loading_dock_template = "<html><head><style>.topnav {background-color: #333; overflow:hidden;} .topnav a{float:left; color: #f2f2f2; text-align: center;";
loading_dock_template += "padding: 14px 16px; text-decoration: none; font-size: 17px;} .topnav a:hover { background-color:#ccc; color:black;} ";
loading_dock_template += ".topnav a.active{ background-color: #00ace6; color:white;} body {background-color: #007399;} h2{color: #f2f2f2;} table, th, td";
loading_dock_template += "{background-color: #f2f2f2; color: black; border: 1px solid black; padding: 2px 3px; text-align: center;} table{padding: 10px;}";
loading_dock_template += " </style></head><body><div class=\"topnav\"><a href=\"http://localhost:8081/main.html\">Home</a>";
loading_dock_template += "<a href=\"http://localhost:8081/driver.html\">Driver</a><a href=\"http://localhost:8081/truck.html\">Truck</a>";
loading_dock_template += "<a href=\"http://localhost:8081/inspection.html\">Inspection</a><a href=\"http://localhost:8081/owner.html\">Owner</a>";
loading_dock_template += "<a class=\"active\" href=\"http://localhost:8081/warehouse.html\">Warehouse</a><a href=\"http://localhost:8081/delivery.html\">Delivery</a></div>";
exports.createLoadingDockTable = function(){
db.serialize(function() {
db.get("PRAGMA foreign_keys = ON");
//db.run("DROP TABLE loading_dock_info");
db.run("CREATE TABLE if not exists loading_dock_info (loading_dock_number INTEGER, warehouse_id TEXT NOT NULL, loading_dock_deliveries INTEGER NOT NULL, PRIMARY KEY(loading_dock_number, warehouse_id), FOREIGN KEY(warehouse_id) REFERENCES warehouse_info(warehouse_id) ON UPDATE CASCADE ON DELETE SET NULL)");
});
}
exports.post_insert_loading_dock = function(req, res){
// Prepare output in JSON format
response = {
loading_dock_number:req.body.loading_dock_number,
warehouse_id:req.body.warehouse_id,
loading_dock_deliveries:req.body.loading_dock_deliveries
};
console.log(response);
let query = insertLoadingDockQuery("loading_dock_info", table_cols, response);
db.run(query);
db.all("SELECT * FROM loading_dock_info", function(err, rows){
if(err){
console.log(err);
}
else{
console.log(rows);
}
});
var page = loading_dock_template;
page += "<h2> Loading Dock successfully inserted!</h2><a href=\"http://localhost:8081/warehouse.html\">Go Back</a></body></html>";
res.send(page);
}
exports.post_update_loading_dock = function(req, res){
// Prepare output in JSON format
response = {
loading_dock_number:req.body.loading_dock_number,
warehouse_id:req.body.warehouse_id,
loading_dock_deliveries:req.body.loading_dock_deliveries
};
console.log(response);
let query = updateLoadingDockQuery("loading_dock_info", table_cols, response);
db.run(query);
db.all("SELECT * FROM loading_dock_info", function(err, rows){
if(err){
console.log(err);
}
else{
console.log(rows);
}
});
var page = loading_dock_template;
page += "<h2> Loading Dock successfully updated!</h2><a href=\"http://localhost:8081/warehouse.html\">Go Back</a></body></html>";
res.send(page);
}
exports.post_delete_loading_dock = function(req, res){
// Prepare output in JSON format
response = {
loading_dock_number:req.body.loading_dock_number,
warehouse_id:req.body.warehouse_id
};
console.log(response);
let query = deleteLoadingDockQuery("loading_dock_info", table_cols, response);
db.run(query);
db.all("SELECT * FROM loading_dock_info", function(err, rows){
if(err){
console.log(err);
}
else{
console.log(rows);
}
});
var page = loading_dock_template;
page += "<h2> Loading Dock successfully updated!</h2><a href=\"http://localhost:8081/warehouse.html\">Go Back</a></body></html>";
res.send(page);
}
exports.get_loading_dock_list = function(req, res){
var page = loading_dock_template;
page += "<h2> Loading Dock Table</h2>";
db.all("SELECT * FROM loading_dock_info ORDER BY warehouse_id", function(err, rows){
if(err){
console.log(err);
}
else{
page += generateTable(rows);
}
page += "</body></html>";
res.send(page);
});
}
function insertLoadingDockQuery(tableName, columns, obj){
let q = generateSqlQuery(tableName, columns, obj) + obj.loading_dock_number + ',\'' + obj.warehouse_id + "\'," + obj.loading_dock_deliveries + ")";
console.log(q);
return q;
}
function updateLoadingDockQuery(tableName, columns, obj){
var q = `UPDATE loading_dock_info SET loading_dock_deliveries = \'${obj.loading_dock_deliveries}\' WHERE loading_dock_number = \'${obj.loading_dock_number}\' AND warehouse_id = \'${obj.warehouse_id}\';`;
console.log(q);
return q;
}
function deleteLoadingDockQuery(tableName, columns, obj){
var q;
q = `DELETE FROM loading_dock_info WHERE loading_dock_number = \'${obj.loading_dock_number}\' AND warehouse_id = \'${obj.warehouse_id}\';`;
console.log(q);
return q;
}
function generateTable(rows){
var result = "<table><tr><th>Loading Dock Num</th><th>Warehouse ID</th><th>Num Of Deliveries</th></tr>";
var arr=[rows.length];
for(var i=0; i<rows.length; i++) {
var temp = [3];
temp[0] = rows[i].loading_dock_number;
temp[1] = rows[i].warehouse_id;
temp[2] = rows[i].loading_dock_deliveries;
arr[i] = temp;
}
for(var i=0; i<arr.length; i++) {
result += "<tr>";
for(var j=0; j<table_cols.length; j++){
result += "<td>"+arr[i][j]+"</td>";
}
result += "</tr>";
}
result += "</table>";
return result;
}
function generateSqlQuery(tableName, columns, obj){
this.generatedSqlQuery = `INSERT INTO ${tableName}`;
let columnList = "";
columnList = columnList + "("
for (let index = 0; index < columns.length; index++) {
if (index == columns.length - 1) {
columnList = columnList + columns[index];
} else {
columnList = columnList + columns[index] + ",";
}
}
this.generatedSqlQuery = this.generatedSqlQuery + columnList + ") VALUES (";
return this.generatedSqlQuery;
}