added driver to directly push books object to mongo

.gitignore

@@ -0,0 +1,4 @@
+# Ignore unecessary files
+
+node_modules
+.env

driver.js

@@ -0,0 +1,91 @@
+const Book = require('./models/Book');
+const mongoose = require('mongoose');
+let fs = require('fs');
+require('dotenv').config();
+
+mongoose.connect(process.env.MONGODB_URI, {
+    useNewUrlParser: true,
+    useUnifiedTopology: true,
+    useCreateIndex: true
+});
+
+const db = mongoose.connection;
+
+db.on('error',console.error.bind(console, 'Connection error:'));
+
+const SEED_FILE = 'Library/Library.md';
+fs.readFile(SEED_FILE, (err,buf)=>{
+    if(err){
+        console.log(err);
+    }
+    let arr = buf.toString().split('\n');
+    let fileNames = [];
+    for(let i=0;i<arr.length;i++){
+        if(arr[i].search('.md')!=-1){           // search for markdown files
+            let filename = arr[i].split(/([()])/);
+            fileNames.push(filename[2])
+        }
+    }
+    extractDataFromMarkdown(fileNames);
+})
+
+// traversing fileNames and extract data
+const extractDataFromMarkdown = (fileNames)=>{
+    const DOWNLOAD_URL = "https://github.com/GauravWalia19/Free-Algorithms-Books/raw/master/Library/";
+    const VIEW_URL     = "https://github.com/GauravWalia19/Free-Algorithms-Books/blob/master/Library/";
+
+    for(let i=0;i<fileNames.length;i++){
+        let objectDatabase = [];
+        let readFileName = 'Library/'+fileNames[i];       // reading files path
+
+        fs.readFile(readFileName, (err,buf)=>{
+            if(err)
+            {
+                console.log(err);
+            }
+            let object = null;
+            let arr = buf.toString().split('\n');
+            let language = fileNames[i].split('.md')[0];
+
+            // MARKDOWN PARSING
+            for(let j=0;j<arr.length;j++) {
+                if(arr[j].search("## :rocket:")!=-1){
+                    if(object!=null)
+                    {
+                        objectDatabase.push(object);
+                    }
+                    object={
+                        name: arr[j].split('## :rocket: ')[1],
+                        view: "",
+                        size: "",
+                        language
+                    }
+                }else if(arr[j].search("Download") != -1){
+                    let url = arr[j].split(/([()])/)[2]; 
+                    object.download = url.replace('./', DOWNLOAD_URL);
+                    object.view = url.replace('./', VIEW_URL); 
+                }else if(arr[j].search("size:") != -1){
+                    object.size=arr[j].split("* size: ")[1]
+                }
+            }
+            objectDatabase.push(object);        // pushing last created object
+            addDataToMongo(objectDatabase);
+        })
+    }
+}
+
+const addDataToMongo = (objectDatabase)=>{
+    for(let i=0;i<objectDatabase.length;i++){
+        let book = new Book(
+            objectDatabase[i]
+        );
+        book.save((err, book)=>{
+            if(err)
+            {
+                console.log(err.message);
+            }else{
+                console.log("Book Added: " + objectDatabase[i].name);
+            }
+        });
+    }
+}

models/Book.js

@@ -0,0 +1,29 @@
+const mongoose = require('mongoose');
+
+const Schema = mongoose.Schema;
+
+const Book = new Schema({
+    name: {
+        type: String,
+        required: true,
+        unique: true
+    },
+    view: {
+        type: String,
+        required: true
+    },
+    download: {
+        type: String,
+        required: true
+    },
+    size: {
+        type: String,
+        required: true
+    },
+    language: {
+        type: String,
+        required: true
+    }
+});
+
+module.exports = mongoose.model('Book',Book);

package.json

@@ -0,0 +1,18 @@
+{
+  "name": "free-algorithm-books",
+  "version": "1.0.0",
+  "description": "Free Algorithm Books driver project",
+  "main": "driver.js",
+  "scripts":{
+    "syncDriver": "node driver.js"
+  },
+  "repository": "https://github.com/GauravWalia19/Free-Algorithms-Books.git",
+  "author": "Gaurav Walia <[email protected]>",
+  "license": "MIT",
+  "devDependencies": {
+    "dotenv": "^8.2.0"
+  },
+  "dependencies": {
+    "mongoose": "^5.10.0"
+  }
+}

yarn.lock

@@ -0,0 +1,211 @@
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+# yarn lockfile v1
+
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+  resolved "https://registry.yarnpkg.com/debug/-/debug-3.1.0.tgz#5bb5a0672628b64149566ba16819e61518c67261"
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+
+[email protected]:
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+  resolved "https://registry.yarnpkg.com/mongoose-legacy-pluralize/-/mongoose-legacy-pluralize-1.0.2.tgz#3ba9f91fa507b5186d399fb40854bff18fb563e4"
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+    debug "3.1.0"
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+    sliced "1.0.1"
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