commit 7ddaefcb28c0d737efb849380ab9fb67a9185b00
Author: DanielRamirezGe <daniel.adrian.ramirez.george@gmail.com>
Date:   Tue Aug 11 12:40:56 2020 -0500

    cracion de api y funciones d ecarga masiva

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..9b31034
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,2 @@
+node_modules
+.env
\ No newline at end of file
diff --git a/app.js b/app.js
new file mode 100644
index 0000000..365cfd5
--- /dev/null
+++ b/app.js
@@ -0,0 +1,15 @@
+var express = require('express');
+var app = express();
+var cors = require('cors');
+app.get('/', function(req, res) {
+    res.send('Hello World!');
+});
+require('dotenv').config()
+app.use(cors());
+
+app.use(express.json()) // for parsing application/json
+app.use(express.urlencoded({ extended: true }))
+app.use(require('./routes/index.js'))
+app.listen(process.env.PORT, function() {
+    console.log('Example app listening on port ' + process.env.PORT + '!');
+});
diff --git a/conf/connection.js b/conf/connection.js
new file mode 100644
index 0000000..6cb0c0a
--- /dev/null
+++ b/conf/connection.js
@@ -0,0 +1,14 @@
+var mysql = require('mysql');
+var connection = mysql.createConnection({
+//     HOSTDB = 'localhost'
+// USERDB = 'root'
+// PASSDB = 'georgechido'
+// DB     = 'Portal'
+    host:  process.env.HOSTDB || 'localhost',
+    user: process.env.USERDB || 'root',
+    password:  process.env.PASSDB || 'georgechido',
+    database: process.env.DB || 'Portal'
+});
+
+
+module.exports = connection;
\ No newline at end of file
diff --git a/package-lock.json b/package-lock.json
new file mode 100644
index 0000000..2dc440d
--- /dev/null
+++ b/package-lock.json
@@ -0,0 +1,585 @@
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+  "name": "portalapi",
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+      "requires": {
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+        "http-errors": "1.7.2",
+        "iconv-lite": "0.4.24",
+        "unpipe": "1.0.0"
+      }
+    },
+    "readable-stream": {
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+      "requires": {
+        "core-util-is": "~1.0.0",
+        "inherits": "~2.0.3",
+        "isarray": "~1.0.0",
+        "process-nextick-args": "~2.0.0",
+        "safe-buffer": "~5.1.1",
+        "string_decoder": "~1.1.1",
+        "util-deprecate": "~1.0.1"
+      }
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+    },
+    "send": {
+      "version": "0.17.1",
+      "resolved": "https://registry.npmjs.org/send/-/send-0.17.1.tgz",
+      "integrity": "sha512-BsVKsiGcQMFwT8UxypobUKyv7irCNRHk1T0G680vk88yf6LBByGcZJOTJCrTP2xVN6yI+XjPJcNuE3V4fT9sAg==",
+      "requires": {
+        "debug": "2.6.9",
+        "depd": "~1.1.2",
+        "destroy": "~1.0.4",
+        "encodeurl": "~1.0.2",
+        "escape-html": "~1.0.3",
+        "etag": "~1.8.1",
+        "fresh": "0.5.2",
+        "http-errors": "~1.7.2",
+        "mime": "1.6.0",
+        "ms": "2.1.1",
+        "on-finished": "~2.3.0",
+        "range-parser": "~1.2.1",
+        "statuses": "~1.5.0"
+      },
+      "dependencies": {
+        "ms": {
+          "version": "2.1.1",
+          "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.1.tgz",
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+        }
+      }
+    },
+    "serve-static": {
+      "version": "1.14.1",
+      "resolved": "https://registry.npmjs.org/serve-static/-/serve-static-1.14.1.tgz",
+      "integrity": "sha512-JMrvUwE54emCYWlTI+hGrGv5I8dEwmco/00EvkzIIsR7MqrHonbD9pO2MOfFnpFntl7ecpZs+3mW+XbQZu9QCg==",
+      "requires": {
+        "encodeurl": "~1.0.2",
+        "escape-html": "~1.0.3",
+        "parseurl": "~1.3.3",
+        "send": "0.17.1"
+      }
+    },
+    "setprototypeof": {
+      "version": "1.1.1",
+      "resolved": "https://registry.npmjs.org/setprototypeof/-/setprototypeof-1.1.1.tgz",
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+      "version": "2.3.1",
+      "resolved": "https://registry.npmjs.org/sqlstring/-/sqlstring-2.3.1.tgz",
+      "integrity": "sha1-R1OT/56RR5rqYtyvDKPRSYOn+0A="
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+      }
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+      "version": "1.5.0",
+      "resolved": "https://registry.npmjs.org/statuses/-/statuses-1.5.0.tgz",
+      "integrity": "sha1-Fhx9rBd2Wf2YEfQ3cfqZOBR4Yow="
+    },
+    "streamsearch": {
+      "version": "0.1.2",
+      "resolved": "https://registry.npmjs.org/streamsearch/-/streamsearch-0.1.2.tgz",
+      "integrity": "sha1-gIudDlb8Jz2Am6VzOOkpkZoanxo="
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+      "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.1.1.tgz",
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+        "safe-buffer": "~5.1.0"
+      }
+    },
+    "toidentifier": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/toidentifier/-/toidentifier-1.0.0.tgz",
+      "integrity": "sha512-yaOH/Pk/VEhBWWTlhI+qXxDFXlejDGcQipMlyxda9nthulaxLZUNcUqFxokp0vcYnvteJln5FNQDRrxj3YcbVw=="
+    },
+    "type-is": {
+      "version": "1.6.18",
+      "resolved": "https://registry.npmjs.org/type-is/-/type-is-1.6.18.tgz",
+      "integrity": "sha512-TkRKr9sUTxEH8MdfuCSP7VizJyzRNMjj2J2do2Jr3Kym598JVdEksuzPQCnlFPW4ky9Q+iA+ma9BGm06XQBy8g==",
+      "requires": {
+        "media-typer": "0.3.0",
+        "mime-types": "~2.1.24"
+      }
+    },
+    "unpipe": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/unpipe/-/unpipe-1.0.0.tgz",
+      "integrity": "sha1-sr9O6FFKrmFltIF4KdIbLvSZBOw="
+    },
+    "util-deprecate": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/util-deprecate/-/util-deprecate-1.0.2.tgz",
+      "integrity": "sha1-RQ1Nyfpw3nMnYvvS1KKJgUGaDM8="
+    },
+    "utils-merge": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/utils-merge/-/utils-merge-1.0.1.tgz",
+      "integrity": "sha1-n5VxD1CiZ5R7LMwSR0HBAoQn5xM="
+    },
+    "vary": {
+      "version": "1.1.2",
+      "resolved": "https://registry.npmjs.org/vary/-/vary-1.1.2.tgz",
+      "integrity": "sha1-IpnwLG3tMNSllhsLn3RSShj2NPw="
+    },
+    "xlsx": {
+      "version": "0.14.5",
+      "resolved": "https://registry.npmjs.org/xlsx/-/xlsx-0.14.5.tgz",
+      "integrity": "sha512-s/5f4/mjeWREmIWZ+HtDfh/rnz51ar+dZ4LWKZU3u9VBx2zLdSIWTdXgoa52/pnZ9Oe/Vu1W1qzcKzLVe+lq4w==",
+      "requires": {
+        "adler-32": "~1.2.0",
+        "cfb": "^1.1.2",
+        "codepage": "~1.14.0",
+        "commander": "~2.17.1",
+        "crc-32": "~1.2.0",
+        "exit-on-epipe": "~1.0.1",
+        "ssf": "~0.10.2"
+      }
+    }
+  }
+}
diff --git a/package.json b/package.json
new file mode 100644
index 0000000..6ef9d00
--- /dev/null
+++ b/package.json
@@ -0,0 +1,23 @@
+{
+  "name": "portalapi",
+  "version": "1.0.0",
+  "description": "",
+  "main": "index.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "repository": {
+    "type": "git",
+    "url": "https://repositorio.acatlan.unam.mx/danielGe/PortalApi.git"
+  },
+  "author": "George",
+  "license": "ISC",
+  "dependencies": {
+    "connect-busboy": "0.0.2",
+    "cors": "^2.8.5",
+    "dotenv": "^8.2.0",
+    "express": "^4.17.1",
+    "mysql": "^2.18.1",
+    "node-xlsx": "^0.15.0"
+  }
+}
diff --git a/routes/cargaLibro.js b/routes/cargaLibro.js
new file mode 100644
index 0000000..4ea8813
--- /dev/null
+++ b/routes/cargaLibro.js
@@ -0,0 +1,112 @@
+    
+const connection = require('../conf/connection.js');
+const express = require('express')
+var app = express();
+var xlsx = require('node-xlsx');
+var fs = require('fs');
+var busboy = require('connect-busboy');
+var path = require('path');
+
+app.use(busboy()); 
+
+function query(consulta) {
+    return new Promise(function(resolve, reject) {
+        connection.query(`${consulta}`, (error, results, files) => {
+            if (error) reject(error);
+            resolve(results);
+        });
+    })
+}
+
+
+function corregir(cad){
+
+    var recor = String.fromCharCode(13);
+    cad = cad.split(recor);
+    let nuevocad="";
+    for(let i=0; i<cad.length; i++){
+        if(i!==0  && cad[i]!=="\n" )
+            nuevocad = nuevocad + cad[i];
+        else
+            if(cad[i]!== "\n")
+                nuevocad =  cad[i]
+            
+    }
+    return nuevocad;
+
+
+}
+
+
+
+async function readExecel ( path )
+{   
+    let workbook;
+    try{
+    
+        workbook = xlsx.parse(fs.readFileSync(`${__dirname}/ArchivosCarga/${path}`));    
+    }
+    catch (error){
+        console.log(`Ocurrio un error al leer el archivo msj: ${error}`);
+        throw new TypeError (`Error al leer el archivo msj: ${error}`);
+    }
+
+    try{
+        workbook = workbook[0].data;
+
+        for(let i=1; i<workbook.length; i++){
+            let titulo = corregir(workbook [i][0]);
+            let autor = corregir(workbook [i][1]);
+            let categoria = workbook [i][2];
+            let paginas = workbook [i][3];
+            let isbn = workbook [i][4];
+            let precio = workbook [i][5];
+            let edicion = corregir(workbook [i][6]);
+            let year = workbook [i][7];
+            let descripcion = corregir(workbook [i][8]);
+            let version = workbook [i][9];
+
+            let sqlString  = `INSERT INTO Libro values ( null, '${isbn}' , '${titulo}', '${categoria}', '${autor}', ${paginas}, '${edicion}', '${precio}', '${version}', '${descripcion}', ${year}); `;
+            try{
+                await query(sqlString);
+                console.log(`INSERTO CON EXITO ${autor}`);
+
+            }
+            catch(error){
+                console.log(`    **** Hay un error: ${error}`);
+            }
+        }
+        return;
+
+    }
+    catch (error){
+        console.log(`Ocurrio un error al insertar en la base de datos msj: ${error}`);
+        new TypeError (`Error al insertar en la base de datos msj: ${error}`);
+        return;
+    }
+    
+
+
+}
+app.post('/cargaLibro', async(req, res) => {
+
+    var fstream;
+    console.log(`Entro`);
+    req.pipe(req.busboy);
+    req.busboy.on('file',async  function (fieldname, file, filename) {
+        console.log("Uploading: " + filename); 
+        let saveTo = path.join('.', `/routes/ArchivosCarga/cargaLibro.xlsx`);
+        console.log('Uploading: ' + saveTo);
+        file.pipe(fs.createWriteStream(saveTo));
+        await readExecel(`cargaLibro.xlsx`);
+        res.status(200).json({error: false, msj: `Se inserto con exito`});
+    });
+
+
+});
+//
+
+module.exports = app;
+
+
+
diff --git a/routes/detalleLibro.js b/routes/detalleLibro.js
new file mode 100644
index 0000000..9e13643
--- /dev/null
+++ b/routes/detalleLibro.js
@@ -0,0 +1,49 @@
+const connection = require('../conf/connection.js');
+const express = require('express')
+var app = express();
+var xlsx = require('node-xlsx');
+var fs = require('fs');
+var busboy = require('connect-busboy');
+var path = require('path');
+const { type } = require('os');
+
+
+function query(consulta) {
+    return new Promise(function(resolve, reject) {
+        connection.query(`${consulta}`, (error, results, files) => {
+            if (error) reject(error);
+            resolve(results);
+        });
+    })
+}
+
+
+app.get('/libroDetalle', async(req, res) => {
+
+    let data = req.query;
+    if( typeof( data.idLibro ) === 'undefined' ){
+        res.status(400).json({error: true, msj: 'Falta el ID del libro como parametro'});
+        return;
+    }
+    console.log(`    Este es el id: ${data.idLibro}`);
+    let sqlString = `SELECT * from Libro where idLibro=${data.idLibro}`;
+    console.log(`    Esta es la cadena          : ${sqlString}`);
+    let respuestaSql = await query(sqlString);
+
+    respuestaSql = respuestaSql[0];
+
+    if(respuestaSql.length === 0 ){
+        res.status(400).json({error: true, msj: 'No se encontro el libro solicitado'});
+        return;
+    }
+
+    try{
+        res.status(200).json({error:false, msj: 'exito', data: respuestaSql})
+    }
+    catch(error){
+        res.status(400).json({error: true, msj: 'No se pudo obtener la imagen', desc: error});
+        return;
+    }
+
+});
+module.exports = app
diff --git a/routes/imagenLibro/libro.jpg b/routes/imagenLibro/libro.jpg
new file mode 100644
index 0000000..8683524
Binary files /dev/null and b/routes/imagenLibro/libro.jpg differ
diff --git a/routes/index.js b/routes/index.js
new file mode 100644
index 0000000..5d28ded
--- /dev/null
+++ b/routes/index.js
@@ -0,0 +1,10 @@
+var express = require('express')
+var app = express()
+
+app.use(require('./cargaLibro'));
+app.use(require('./libroImagen'));
+app.use(require('./detalleLibro'));
+app.use(require('./libroNovedades'));
+app.use(require('./libroSimilar'));
+
+module.exports = app;
\ No newline at end of file
diff --git a/routes/libroImagen.js b/routes/libroImagen.js
new file mode 100644
index 0000000..5be7378
--- /dev/null
+++ b/routes/libroImagen.js
@@ -0,0 +1,51 @@
+const connection = require('../conf/connection.js');
+const express = require('express')
+var app = express();
+var xlsx = require('node-xlsx');
+var fs = require('fs');
+var busboy = require('connect-busboy');
+var path = require('path');
+const { type } = require('os');
+
+
+function query(consulta) {
+    return new Promise(function(resolve, reject) {
+        connection.query(`${consulta}`, (error, results, files) => {
+            if (error) reject(error);
+            resolve(results);
+        });
+    })
+}
+
+
+app.get('/libroImagen', async(req, res) => {
+
+    let data = req.query;
+    if( typeof( data.idLibro ) === 'undefined' ){
+        res.status(400).json({error: true, msj: 'Falta el ID del libro como parametro'});
+        return;
+    }
+    console.log(`    Este es el id: ${data.idLibro}`);
+    let sqlString = `SELECT * from Imagen where idLibro=${data.idLibro}`;
+    console.log(`    Esta es la cadena          : ${sqlString}`);
+    let respuestaSql = await query(sqlString);
+    if(respuestaSql.length === 0 ){
+        res.status(400).json({error: true, msj: 'No se encontro el libro solicitado'});
+        return;
+    }
+
+    try{
+
+        respuestaSql = respuestaSql[0];
+        let img = fs.readFileSync(path.join('.', `/routes/imagenLibro/libro.jpg`));
+        res.writeHead(200, {'Content-Type': 'image/jpg' });
+        res.end(img, 'binary')
+        return;
+    }
+    catch(error){
+        res.status(400).json({error: true, msj: 'No se pudo obtener la imagen', desc: error});
+        return;
+    }
+
+});
+module.exports = app
diff --git a/routes/libroNovedades.js b/routes/libroNovedades.js
new file mode 100644
index 0000000..f6aa598
--- /dev/null
+++ b/routes/libroNovedades.js
@@ -0,0 +1,42 @@
+const connection = require('../conf/connection.js');
+const express = require('express')
+var app = express();
+var xlsx = require('node-xlsx');
+var fs = require('fs');
+var busboy = require('connect-busboy');
+var path = require('path');
+const { type } = require('os');
+
+
+function query(consulta) {
+    return new Promise(function(resolve, reject) {
+        connection.query(`${consulta}`, (error, results, files) => {
+            if (error) reject(error);
+            resolve(results);
+        });
+    })
+}
+
+
+app.get('/librosNovedades', async(req, res) => {
+
+    
+    let sqlString = `SELECT * FROM Libro ORDER BY year DESC LIMIT 10;`;
+    console.log(`    Esta es la cadena          : ${sqlString}`);
+    let respuestaSql = await query(sqlString);
+
+    if(respuestaSql.length === 0 ){
+        res.status(400).json({error: true, msj: 'No se pudo hacer la consulta'});
+        return;
+    }
+
+    try{
+        res.status(200).json({error:false, msj: 'exito', data: respuestaSql})
+    }
+    catch(error){
+        res.status(400).json({error: true, msj: 'No se pudo obtener la imagen', desc: error});
+        return;
+    }
+
+});
+module.exports = app
diff --git a/routes/libroSimilar.js b/routes/libroSimilar.js
new file mode 100644
index 0000000..e352e8a
--- /dev/null
+++ b/routes/libroSimilar.js
@@ -0,0 +1,47 @@
+const connection = require('../conf/connection.js');
+const express = require('express')
+var app = express();
+var xlsx = require('node-xlsx');
+var fs = require('fs');
+var busboy = require('connect-busboy');
+var path = require('path');
+const { type } = require('os');
+
+
+function query(consulta) {
+    return new Promise(function(resolve, reject) {
+        connection.query(`${consulta}`, (error, results, files) => {
+            if (error) reject(error);
+            resolve(results);
+        });
+    })
+}
+
+
+app.get('/librosSimilares', async(req, res) => {
+
+
+    let data = req.query;
+    if( typeof( data.categoria ) === 'undefined' ){
+        res.status(400).json({error: true, msj: 'Falta la categoria del libro como parametro'});
+        return;
+    }
+    let sqlString = `SELECT * FROM Libro WHERE categoria=${data.categoria} LIMIT 3;`;
+    console.log(`    Esta es la cadena          : ${sqlString}`);
+    let respuestaSql = await query(sqlString);
+
+    if(respuestaSql.length === 0 ){
+        res.status(400).json({error: true, msj: 'No se pudo hacer la consulta'});
+        return;
+    }
+
+    try{
+        res.status(200).json({error:false, msj: 'exito', data: respuestaSql})
+    }
+    catch(error){
+        res.status(400).json({error: true, msj: 'No se pudo obtener la imagen', desc: error});
+        return;
+    }
+
+});
+module.exports = app
diff --git a/sql/scrpt.sql b/sql/scrpt.sql
new file mode 100644
index 0000000..6904d59
--- /dev/null
+++ b/sql/scrpt.sql
@@ -0,0 +1,63 @@
+DROP DATABASE Portal;
+CREATE DATABASE Portal;
+USE Portal;
+
+CREATE TABLE `Libro` (
+  `idLibro` integer PRIMARY KEY NOT NULL AUTO_INCREMENT,
+  `isbn` varchar(100),
+  `titulo` varchar(250),
+  `categoria` varchar(100),
+  `autor` varchar(100),
+  `paginas` integer,
+  `impresion` varchar(150),
+  `precio` varchar(100),
+  `version` varchar(100),
+  `descripcion` text,
+  `year` integer
+);
+
+CREATE TABLE `PdfLibro` (
+  `idPdf` integer PRIMARY KEY NOT NULL AUTO_INCREMENT,
+  `idLibro`integer,
+  `ruta` varchar(250)
+);
+
+CREATE TABLE `Imagen` (
+  `idImagen` integer PRIMARY KEY NOT NULL AUTO_INCREMENT,
+  `idLibro`integer,
+  `ruta` varchar(250)
+);
+
+CREATE TABLE `Visualizacion` (
+  `idVisualizacion` integer PRIMARY KEY NOT NULL AUTO_INCREMENT,
+  `idLibro`integer,
+  `ruta` varchar(250)
+);
+
+CREATE TABLE `Video` (
+  `idVideo` integer PRIMARY KEY NOT NULL AUTO_INCREMENT,
+  `idLibro`integer,
+  `ruta` varchar(250)
+);
+
+CREATE TABLE `Compra` (
+  `idCompra` integer PRIMARY KEY NOT NULL AUTO_INCREMENT,
+  `idLibro`integer,
+  `ruta` varchar(250)
+);
+
+CREATE TABLE `Admin` (
+  `idAdmin` integer PRIMARY KEY NOT NULL AUTO_INCREMENT,
+  `usuario` varchar(100),
+  `password` varchar(350)
+);
+
+ALTER TABLE `Imagen` ADD FOREIGN KEY (`idLibro`) REFERENCES `Libro` (`idLibro`);
+
+ALTER TABLE `Visualizacion` ADD FOREIGN KEY (`idLibro`) REFERENCES `Libro` (`idLibro`);
+
+ALTER TABLE `Compra` ADD FOREIGN KEY (`idLibro`) REFERENCES `Libro` (`idLibro`);
+
+ALTER TABLE `Video` ADD FOREIGN KEY (`idLibro`) REFERENCES `Libro` (`idLibro`);
+
+ALTER TABLE `PdfLibro` ADD FOREIGN KEY (`idLibro`) REFERENCES `Libro` (`idLibro`);