WebFund 2014W: Assignment 2 - Revision history

Soma at 18:14, 12 February 2014

2014-02-12T18:14:31Z

← Older revision		Revision as of 18:14, 12 February 2014
Line 1:		Line 1:
			The solutions to this assignment [http://homeostasis.scs.carleton.ca/~soma/webfund-2014w/adventure-demo-sol.zip are now available].

	In this assignment you are to examine, modify, and answer questions regarding the [http://homeostasis.scs.carleton.ca/~soma/webfund-2014w/T5/adventure-demo.zip adventure-demo] ([http://homeostasis.scs.carleton.ca/~soma/webfund-2014w/T5/adventure-demo.nomods.zip without modules]) sample node application. The files of this application are also listed below. Note that to run this application you'll first need to run <tt>node storeRooms.js</tt> to setup the rooms collection in MongoDB.		In this assignment you are to examine, modify, and answer questions regarding the [http://homeostasis.scs.carleton.ca/~soma/webfund-2014w/T5/adventure-demo.zip adventure-demo] ([http://homeostasis.scs.carleton.ca/~soma/webfund-2014w/T5/adventure-demo.nomods.zip without modules]) sample node application. The files of this application are also listed below. Note that to run this application you'll first need to run <tt>node storeRooms.js</tt> to setup the rooms collection in MongoDB.

Soma at 17:27, 6 February 2014

2014-02-06T17:27:33Z

← Older revision		Revision as of 17:27, 6 February 2014
Line 1:		Line 1:
	~~'''This assignment is not yet finalized'''~~

	In this assignment you are to examine, modify, and answer questions regarding the [http://homeostasis.scs.carleton.ca/~soma/webfund-2014w/T5/adventure-demo.zip adventure-demo] ([http://homeostasis.scs.carleton.ca/~soma/webfund-2014w/T5/adventure-demo.nomods.zip without modules]) sample node application. The files of this application are also listed below. Note that to run this application you'll first need to run <tt>node storeRooms.js</tt> to setup the rooms collection in MongoDB.		In this assignment you are to examine, modify, and answer questions regarding the [http://homeostasis.scs.carleton.ca/~soma/webfund-2014w/T5/adventure-demo.zip adventure-demo] ([http://homeostasis.scs.carleton.ca/~soma/webfund-2014w/T5/adventure-demo.nomods.zip without modules]) sample node application. The files of this application are also listed below. Note that to run this application you'll first need to run <tt>node storeRooms.js</tt> to setup the rooms collection in MongoDB.

Soma: /* Part A */

2014-02-06T17:27:17Z

Part A

← Older revision		Revision as of 17:27, 6 February 2014
Line 20:		Line 20:
	# (4 points) Add a room to the game that is connected to the others so you can enter and exit it as you can the bridge, sickbay, and engineering.		# (4 points) Add a room to the game that is connected to the others so you can enter and exit it as you can the bridge, sickbay, and engineering.
	# (4 points) Add a check to make sure that the player's name only contains alphanumeric characters.		# (4 points) Add a check to make sure that the player's name only contains alphanumeric characters.
	# (10 points) Modify the start page (/) so that it lists the other players that are currently playing at the bottom, saying "Currently playing:" on one line and then a comma-separated list of players on the next. Note that this list should just contain the players with active sessions, not those who have created accounts. If no players are currently playing this part of the page should be omitted.		# (10 points) Modify the start page (/) so that it lists the other players that are currently playing at the bottom, saying "Currently playing:" on one line and then a comma-separated list of players on the next. Note that this list should just contain the players with active sessions, not those who have created accounts. If no players are currently playing this part of the page should be omitted. Like other data stored by this application, this information should be persistent across server restarts.

	===Part B===		===Part B===

Soma: /* storeRooms.js */

2014-02-05T20:33:53Z

storeRooms.js

← Older revision		Revision as of 20:33, 5 February 2014
Line 372:		Line 372:
	title: "Bridge",		title: "Bridge",
	description: "You are on the Bridge. There are big comfy chairs and a big screen here.",		description: "You are on the Bridge. There are big comfy chairs and a big screen here.",
	roomExits: ['sickbay'],		roomExits: ['sickbay']
	},		},
	{		{
Line 378:		Line 378:
	title: "Engineering",		title: "Engineering",
	description: "You are in Engineering. There are lots of funny instruments, many smaller screens, and kind of uncomfortable chairs.",		description: "You are in Engineering. There are lots of funny instruments, many smaller screens, and kind of uncomfortable chairs.",
	roomExits: ['sickbay'],		roomExits: ['sickbay']
	},		},

Line 385:		Line 385:
	title: "Sickbay",		title: "Sickbay",
	description: "You are in Sickbay. It is in the center of the ship, the safest place there is. There are lots of comfy beds here and blinky lights.",		description: "You are in Sickbay. It is in the center of the ship, the safest place there is. There are lots of comfy beds here and blinky lights.",
	roomExits: ['engineering','bridge'],		roomExits: ['engineering','bridge']
	},		},

Line 392:		Line 392:
	title: "Secret Room",		title: "Secret Room",
	description: "This is a secret room. How did you get here?",		description: "This is a secret room. How did you get here?",
	roomExits: ['engineering', 'sickbay', 'bridge'],		roomExits: ['engineering', 'sickbay', 'bridge']
	},		}
	];		];

Soma: /* Part B */

2014-02-05T20:32:29Z

Part B

← Older revision		Revision as of 20:32, 5 February 2014
Line 24:		Line 24:
	===Part B===		===Part B===

	# (4 points) What is the difference between the Start and Register button on the initial screen? Do they work the same way?		# (4 points) What is the key difference between the Start and Register button on the initial screen? Do they work the same way?
	# (4 points) MongoDB's "tables" are collections; they are grouped together into databases. What MongoDB database is used by this application? What collections?		# (4 points) MongoDB's "tables" are collections; they are grouped together into databases. What MongoDB database is used by this application? What collections?
	# (2 points) How long before this app's session cookies expire? How do you know?		# (2 points) How long before this app's session cookies expire? How do you know?

Soma: /* Part B */

2014-02-05T20:31:26Z

Part B

← Older revision		Revision as of 20:31, 5 February 2014
Line 24:		Line 24:
	===Part B===		===Part B===

	# (4 points) What is the difference between the ~~Login~~ and Register button on the initial screen? Do they work the same way?		# (4 points) What is the difference between the Start and Register button on the initial screen? Do they work the same way?
	# (4 points) MongoDB's "tables" are collections; they are grouped together into databases. What MongoDB database is used by this application? What collections?		# (4 points) MongoDB's "tables" are collections; they are grouped together into databases. What MongoDB database is used by this application? What collections?
	# (2 points) How long before this app's session cookies expire? How do you know?		# (2 points) How long before this app's session cookies expire? How do you know?

Soma at 20:25, 5 February 2014

2014-02-05T20:25:15Z

← Older revision		Revision as of 20:25, 5 February 2014
Line 1:		Line 1:
	'''This assignment is not yet finalized'''		'''This assignment is not yet finalized'''

	In this assignment you are to examine, modify, and answer questions regarding the [http://homeostasis.scs.carleton.ca/~soma/webfund-2014w/T5/adventure-demo.~~nomods~~.~~zip~~ adventure-demo] sample node application. The files of this application are also listed below. Note that to run this application you'll first need to run <tt>node storeRooms.js</tt> to setup the rooms collection in MongoDB.		In this assignment you are to examine, modify, and answer questions regarding the [http://homeostasis.scs.carleton.ca/~soma/webfund-2014w/T5/adventure-demo.zip adventure-demo] ([http://homeostasis.scs.carleton.ca/~soma/webfund-2014w/T5/adventure-demo.nomods.zip without modules]) sample node application. The files of this application are also listed below. Note that to run this application you'll first need to run <tt>node storeRooms.js</tt> to setup the rooms collection in MongoDB.

	Please submit your answers as a single zip file called "<username>-comp2406-assign2.zip" (where username is your MyCarletonOne username). This zip file should unpack into a directory of the same name (minus the .zip extension of course). This directory should contain:		Please submit your answers as a single zip file called "<username>-comp2406-assign2.zip" (where username is your MyCarletonOne username). This zip file should unpack into a directory of the same name (minus the .zip extension of course). This directory should contain:

Soma: /* Questions */

2014-02-05T16:21:46Z

Questions

← Older revision		Revision as of 16:21, 5 February 2014
Line 11:		Line 11:
	==Questions==		==Questions==

	There are ?? points below in ~~three~~ parts. Answer all questions.		There are 50 points below in two parts. Answer all questions.

	===Part A===		===Part A===
	What happens when you change the following lines in <tt>adventure-demo</tt>? Describe the change in behaviour as if each deletion is the '''only''' change made to the application. If a runtime error is generated please describe the error and briefly explain why that error was produced. (two points each, ?? total)
	#

	~~===Part B===~~

	Describe how to change the code to add the following features/change the following behaviour. If the changes are small, specify the line(s) to changed. If the changes are more substantial, you may just list the entire modified file. These changes are cumulative, so the changes for the third question should take into account those made previously.		Describe how to change the code to add the following features/change the following behaviour. If the changes are small, specify the line(s) to changed. If the changes are more substantial, you may just list the entire modified file. These changes are cumulative, so the changes for the third question should take into account those made previously.

	# ~~How~~ can you ~~change this app~~ to list ~~all~~ of the currently ~~logged in users on /users?~~		# (2 points) Make the secret room accessible by visiting "/secret".
			# (4 points) Add a room to the game that is connected to the others so you can enter and exit it as you can the bridge, sickbay, and engineering.
			# (4 points) Add a check to make sure that the player's name only contains alphanumeric characters.
			# (10 points) Modify the start page (/) so that it lists the other players that are currently playing at the bottom, saying "Currently playing:" on one line and then a comma-separated list of players on the next. Note that this list should just contain the players with active sessions, not those who have created accounts. If no players are currently playing this part of the page should be omitted.

	===Part C===		===Part B===

	# (4 points) What is the difference between the Login and Register button on the initial screen? Do they work the same way?		# (4 points) What is the difference between the Login and Register button on the initial screen? Do they work the same way?

Soma: /* Part C */

2014-02-05T16:16:09Z

Part C

← Older revision		Revision as of 16:16, 5 February 2014
Line 25:		Line 25:
	===Part C===		===Part C===

	# (5 points) What is the difference between the Login and Register button on the initial screen? Do they work the same way?		# (4 points) What is the difference between the Login and Register button on the initial screen? Do they work the same way?
	# (4 points) MongoDB's "tables" are collections; they are grouped together into databases. What MongoDB database is used by this application? What collections?		# (4 points) MongoDB's "tables" are collections; they are grouped together into databases. What MongoDB database is used by this application? What collections?
	# (2 points) How long before this app's session cookies expire? How do you know?		# (2 points) How long before this app's session cookies expire? How do you know?
Line 32:		Line 32:
	# (4 points) Why are there three arguments to the app.get()'s, rather than the previous two? What does the third argument do?		# (4 points) Why are there three arguments to the app.get()'s, rather than the previous two? What does the third argument do?
	# (2 points) What is purpose of the call to <tt>playersCollection.update()</tt> (line 115 of routes/index.js)?		# (2 points) What is purpose of the call to <tt>playersCollection.update()</tt> (line 115 of routes/index.js)?
	#		# (6 points) When does <tt>makeRoomHandler()</tt> run? What does it return? And when is its single argument accessed?
	~~# The~~ <tt>~~routes.register~~()</tt> ~~has multiple nested functions.~~ What ~~do each of them do, and why are they nested the way they are~~?

	==Source==		==Source==

Soma: /* Part C */

2014-02-05T16:13:15Z

Part C

← Older revision		Revision as of 16:13, 5 February 2014
Line 31:		Line 31:
	# (4 points) In the POST function for /start, it processes a username and password supplied by the user. What object stores this information in node for our program to access? What line in <tt>app.js</tt> loads the code to provides the values for this object?		# (4 points) In the POST function for /start, it processes a username and password supplied by the user. What object stores this information in node for our program to access? What line in <tt>app.js</tt> loads the code to provides the values for this object?
	# (4 points) Why are there three arguments to the app.get()'s, rather than the previous two? What does the third argument do?		# (4 points) Why are there three arguments to the app.get()'s, rather than the previous two? What does the third argument do?
			# (2 points) What is purpose of the call to <tt>playersCollection.update()</tt> (line 115 of routes/index.js)?
			#
	# The <tt>routes.register()</tt> has multiple nested functions. What do each of them do, and why are they nested the way they are?		# The <tt>routes.register()</tt> has multiple nested functions. What do each of them do, and why are they nested the way they are?