Difference between revisions of "Mean Stack"

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__NOTOC__
 
Module 7 builds upon the JavaScript skills you learned in Module 6.
 
  
== Reading ==
 
  
The following articles on the online class wiki textbook contain information that will help you complete the assignments.
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This module introduces MEAN, a fullstack web framework that uses '''M'''ongoDB, '''E'''xpress, '''A'''ngularJS and '''N'''ode.js. <br/>
 +
You have already learned (some things) about Node.js. In this module, you will be introduced to other three new technologies. Don’t frown yet, the goal of this module is to expose you to the concept of web frameworks and prepare you for the creative project. You are not required to be an expert in all of these technologies, however, it’s important to understand the basics of each and how they work together.
 +
Follow along the tutorials and complete exercises to learn how things work, and you will be ready to create your own web applications using the MEAN stack very soon!
  
* [[Node.JS]]
 
* [[Socket.IO]]
 
  
== Individual Assignments ==
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== Reading ==
  
=== Install Node.JS and Socket.IO ===
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The following articles on the online class wiki textbook contain information that will help you complete the assignment.
  
Install Node.JS from Apt or Yum according to the instructions in the [[Node.JS]] guide.
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*[[Preparations]]
 +
*[[Getting MEAN]]
 +
* [[Git]]
 +
*[[Angular]]
  
Also install Socket.IO globally (using the ''-g'' option).
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== Further Reading ==
  
=== Static File Server in Node.JS ===
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=== Tutorials ===
  
The individual portion of Module 7 is short in order to give you enough time to complete the group portion.
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It may be a good idea to go through tutorials for both MongoDB and AngularJS, and understand how Express works.
  
# Copy the example code from the Node.JS guide into a file called ''static_server.js'' or something of that nature.  Save it on your EC2 instance (but not in a place that Apache can serve!).
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=== Install MEAN ===
#: Ensure that you understand what the static file server script is doing… this might show up on a quiz!
 
# Make a directory parallel to ''static_server.js'' named ''static''.
 
# Change "<STATIC DIRECTORY NAME>" on line 11 of the static fileserver example code to reflect the name of the directory you just made.
 
# Save the following files in your ''static'' directory:
 
#* ''hello.txt'', a text file containing "Hello World"
 
#* ''brookings.jpg'', an image file you can download from here: http://classes.engineering.wustl.edu/cse330/content/brookings.jpg
 
#* ''college.html'', an HTML document based on the [[HTML and CSS#Quick and Easy Page Layout|Quick and Easy HTML Layout]] containing an image tag pointing to ''brookings.jpg''
 
#* ''phpinfo.php'', a PHP file containing the phpinfo command that generates a diagnostic page of the server:
 
#: <source lang="php"><?php  phpinfo();  ?></source>
 
# Boot up your Node.JS static fileserver, and from your browser, load all four of the files you created in step 4.
 
#: Which ones work and which ones don't?  Why might this be the case?
 
  
== Group Project ==
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The individual assignment for this module only require AngularJS (version 1.3.15) and completing the tutorial
 +
[https://code.angularjs.org/1.3.15/docs/tutorial here]. We provide installation instructions for the entire MEAN stack using MEAN.IO as a reference. You do not need to install the MEAN stack for this module (but it is recommended to really understand all of pieces involved).
  
In the group portion of Module 7, you will be building a multiplayer Pong game using Node.JS and Socket.IO.
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To install MEAN on your machine, initialize an app and type grunt in your terminal to start the server (make sure your mongoDB server is connected and running).
 +
Open up the app in your browser (localhost:3000), and understand what the default app does.
  
If you want to reminisce and play some Pong on the command line before building it in Node.JS, here is the command, assuming you have '''emacs''' installed:
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== Group Project ==
 +
* Extended the AngularJS tutorial with additional features.
  
<source lang="bash">$ emacs -q --no-splash -f pong</source>
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In the group portion of this module, you will extended the AngularJS tutorial with two additional features.  The first is a side-by-side comparison page displaying two products.  In the second, you will provide four additional sorting methods for displaying devices on the main product page. 
  
Press '''C-x C-c''' to exit emacs.
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In the side-by-side comparison page, a user will be able to select two devices and view all of their features in a table.  This table will consist of three columns.  The first column simply lists all of the features of either device (battery, camera, connectivity, hardware, etc ) .  The second and third columns will display the information associated with that category for a particular pair of devices, allowing a user to easily compare the same feature across different devices.  
  
=== Socket.IO Pong Game ===
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The second feature is simply allowing users to sort the devices on additional metrics (in addition to Alphabetical and Newest). Select four different attributes that you want to include to the drop down list on the main page. For example, I may want to sort by by weight or size of battery. 
  
First thing first: set up a static file server running Node.JSWe will need it in order to serve up our HTML and JavaScript content.
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For each feature, create a separate Git branch. Name the first branch SideBySide and the second branch AdditionalSortingAfter you complete a feature, merge the branch back to the master branch.
  
To start, download this file and save it in your ''static'' directory: http://classes.engineering.wustl.edu/cse330/content/pong-game.js
 
  
==== About the Pong-Game.JS File ====
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<!-- * Make an e-commerce site using the MEAN stack.
  
We created the ''pong-game.js'' file for you to save you time and so that you can focus on the Node.JS and Socket.IO aspects of this module.  This file contains the core Pong engine, but it does ''not'' establish communication between users of any kind.
 
  
If you are curious, we used the [http://www.limejs.com/ LimeJS] framework as the backbone of ''pong-game.js''.  You can find the pre-compiled source code for the Pong game here:
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To start, come up with use cases for your site. Think about what products the site is selling, what the user can do, and how information is stored etc.
  
* http://classes.engineering.wustl.edu/cse330/content/pong.js
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You may start with the default MEAN.io app and build on top of it. This way you don't have to implement user authentication. You can also create a MEAN package and start from there. <br/>
* http://classes.engineering.wustl.edu/cse330/content/ball.js
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You may use phone models provided by the Angular Phone Catalog app as your products. Review the MongoDB section on how to import JSON data into MongoDB.
  
We then used the [https://developers.google.com/closure/compiler/ Google Closure Compiler] to compile all of the libraries you need into the one modular JavaScript file.
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==== Tips on Installing MEAN ====
  
Just to be clear, ''for the purposes of Module 7, you do not need to bother with either LimeJS or Google Closure.''
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Review the "Getting MEAN" section to understand the file system so you know how components work with each other.
 +
Keep in mind that you don't have to understand what every line of code does. Whenever in doubt, refer to the default app.
  
'' todo: finish ''
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You will be making changes on both the server side (the /server directory of your app) and the client side (in the /public directory)
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#* Server Side:
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Model: add model files to the /server/models folder. There are Mongoose files that define the objects, they are referenced by the controllers.
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View: nothing to change
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Controller: add controller file(s) for your models (/server/controllers), they are referenced by the routing file
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Routing: add a js file in /server/routes folder that responds to client side requests (same format as the one in the default app)
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#* Client Side
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Model: nothing to change
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View: (/public/views directory) views are .html files. Each view that requires data from the server side should be tied to a controller, inside the controller, you can specify methods to update/save/delete objects in the DB,  the view and routing section gives an example
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Controller: add controller files to /public/controllers. Easy once you go through the AngularJS tutorial. You may need to add multiple services in the /public/services directory (tutorial part 11, and the default MEAN app) to use data received from the back end and persist data across views (look up ngCookie, $cookieStore or the HTML 5 localStorage solution).
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Routing: /public/routes directory of your app. Add entries for all views you will use, and specify their urls and templates (stored in /public/views). -->
  
 
== Grading ==
 
== Grading ==
  
We will be grading the following aspects of your work.  There are 100 points total.
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We will be grading the following aspects of your work.  There are 50 points total where 18/50 are extra credit points. To complete this module you must do either the Side-By-Side comparison feature or the Additional Sorting feature. You will receive the points according to the rubric below, and any points over 32/50 will be extra credit.
 
 
# '''Individual Portion (20 Points):'''
 
#* Node.JS and Socket.IO are installed on your EC2 instance (5 points)
 
#* The ''hello.txt'', ''brookings.jpg'', and ''city.html'' files all load successfully (3 points each)
 
#* Visiting a file that does not exist inside the ''static'' directory results in a 404 (3 points)
 
#* You can explain to the TA why ''phpinfo.php'' behaves the way it does when loaded through Node.JS (3 points)
 
 
 
# '''File Sharing Site (40 Points):'''
 
#* '''''File Management (15 Points):'''''
 
#** Users can upload and delete files (4 points)
 
#** If a file is "deleted", it should actually be removed from the filesystem (3 points)
 
#** Existing files can be viewed (5 points)
 
#** The directory structure is hidden (3 points)
 
#* '''''Image Groups (10 Points):'''''
 
#** An image may be associated with a group (5 points)
 
#** All groups are listed on the home page (5 points)
 
#* '''''Best Practices (10 Points):'''''
 
#** Code is well formatted and easy to read (3 points)
 
#** All pages pass the W3C validator (3 points)
 
#** CSRF tokens are passed when uploading, re-categorizing, and deleting images (4 points)
 
#* '''''Usability (5 Points):'''''
 
#** Site is intuitive to use and navigate (4 points)
 
#** Site is visually appealing (1 point)
 
# '''Creative Portion (15 Points)''' (see below)
 
 
 
=== Creative Portion ===
 
 
 
This module, and all future modules, will require that you invest some time into creating additional features for your group project.  Plan to invest at least 60 minutes of your time into the creative portion.
 
 
 
* The creative portion is an opportunity for you to learn material of your own interest.
 
* You will not earn credit for a creative-portion feature that simply rehashes something you've already done in a previous module.
 
 
 
If you need ideas for a creative portion, or if you want to know whether or not your creative portion idea is "hard enough", ask a TA.
 
  
[[Category:Module 2]]
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# '''Completed AngularJS Tutorial (6 Points)'''
[[Category:Modules]]
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# '''Completed Side-By-Side comparison feature (18 points)'''
 +
#* Users can select two different devices and view all of their attributes in a table format.
 +
#* If information for a particular category is not available on one device, display "Not available" in the table
 +
# '''Completed Additional Sorting feature (8 points)'''
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#* Users can sort devices based on four different attributes and the attribute values are displayed on the main device list page.  (2 points per attribute).
 +
# '''Git Repo (8 points)'''
 +
#* Two branches are created, one for each feature (4 points).
 +
#* Both branches are merged back to the master branch (4 points).
 +
# '''Creative Portion (10 Points)'''

Latest revision as of 10:44, 19 August 2015


This module introduces MEAN, a fullstack web framework that uses MongoDB, Express, AngularJS and Node.js.
You have already learned (some things) about Node.js. In this module, you will be introduced to other three new technologies. Don’t frown yet, the goal of this module is to expose you to the concept of web frameworks and prepare you for the creative project. You are not required to be an expert in all of these technologies, however, it’s important to understand the basics of each and how they work together. Follow along the tutorials and complete exercises to learn how things work, and you will be ready to create your own web applications using the MEAN stack very soon!


Reading

The following articles on the online class wiki textbook contain information that will help you complete the assignment.

Further Reading

Tutorials

It may be a good idea to go through tutorials for both MongoDB and AngularJS, and understand how Express works.

Install MEAN

The individual assignment for this module only require AngularJS (version 1.3.15) and completing the tutorial here. We provide installation instructions for the entire MEAN stack using MEAN.IO as a reference. You do not need to install the MEAN stack for this module (but it is recommended to really understand all of pieces involved).

To install MEAN on your machine, initialize an app and type grunt in your terminal to start the server (make sure your mongoDB server is connected and running). Open up the app in your browser (localhost:3000), and understand what the default app does.

Group Project

  • Extended the AngularJS tutorial with additional features.

In the group portion of this module, you will extended the AngularJS tutorial with two additional features. The first is a side-by-side comparison page displaying two products. In the second, you will provide four additional sorting methods for displaying devices on the main product page.

In the side-by-side comparison page, a user will be able to select two devices and view all of their features in a table. This table will consist of three columns. The first column simply lists all of the features of either device (battery, camera, connectivity, hardware, etc ) . The second and third columns will display the information associated with that category for a particular pair of devices, allowing a user to easily compare the same feature across different devices.

The second feature is simply allowing users to sort the devices on additional metrics (in addition to Alphabetical and Newest). Select four different attributes that you want to include to the drop down list on the main page. For example, I may want to sort by by weight or size of battery.

For each feature, create a separate Git branch. Name the first branch SideBySide and the second branch AdditionalSorting. After you complete a feature, merge the branch back to the master branch.


Grading

We will be grading the following aspects of your work. There are 50 points total where 18/50 are extra credit points. To complete this module you must do either the Side-By-Side comparison feature or the Additional Sorting feature. You will receive the points according to the rubric below, and any points over 32/50 will be extra credit.

  1. Completed AngularJS Tutorial (6 Points)
  2. Completed Side-By-Side comparison feature (18 points)
    • Users can select two different devices and view all of their attributes in a table format.
    • If information for a particular category is not available on one device, display "Not available" in the table
  3. Completed Additional Sorting feature (8 points)
    • Users can sort devices based on four different attributes and the attribute values are displayed on the main device list page. (2 points per attribute).
  4. Git Repo (8 points)
    • Two branches are created, one for each feature (4 points).
    • Both branches are merged back to the master branch (4 points).
  5. Creative Portion (10 Points)