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Web代写 | Comp353/2 Fall 2020 Condo-association Online Network System

这个作业是开发一个公寓协会在线网络系统,用于管理公寓的日常事务
Comp353/2 Fall 2020
Condo-association Online Network System

Use MySQL/MariaDB Database Management System to develop a Condo-association Online
Network System (CON). The application includes a collection of tables and a web-based user
interface to provide the functions required to support various activities and services of the system.
The CON system enables members in a privately running server to share information and ideas. In
addition, the system has a public web page that could be seen by anyone in read-only mode. Posting
could be done by authenticated users of the system.
A condo-association board is a legal entity, made up of a number of elected condo-owners, and set
up to oversee the operation and maintenance of a set of condos in a building(or buildings). The
building(s) have a number of condos, each owned by an owner(s). An owner could own more than
one condo; each condo could have one or more parking spaces and storage space associated with it.
Each square meter of space has an associated fee which is determined by the condo-association.
The CON system administrator installs, for each condo-association, a user(and optionally an alternate
user) with the role of the condo-association administrator. The condo-owners, for a condoassociation, are ‘signed-up’ as members of the CON system by the condo-administrator. Each owner
of a condo unit has a ‘percent share’ in various components of the condo unit some of which are
private(the condo itself and any space such as parking and storage) and the condo-buildings public
space (the hall ways and passages, the external structures, and facilities such as elevators, sports
centre etc.). The CON system could manage one or more distinct condo associations.
CON provides services such as:
– Posting the current financial status of the condo association, budgets, ownership percent and current
fees for the various condo-units and the historical record of the fees paid as well as special
contributions(for major repairs etc.), maintenance work (rationales, dates, contractor, cost)
– Posting of all call for contracts and posting of all submissions to these calls
– Posting of contracts awarded and the status
– post notices of the administrator meetings, their agenda, and minutes of these meetings,
– notices of forth coming general meetings, agenda and resolution to be voted on
– polling for various resolutions
– election of members of the Condo-association board
– expressing condo owners concerns and discussions about them,
– provide facility for: on-line discussions, plan and share activities
– internal email system (all emails are stored in CONS)
– post ‘classified’ ads limited to the condo owners of a single condo-classification or
public(accessible by members of other condo-associations or the general public0
Any on line discussions could be private to a limited number of condo-unit owners or accessible by
all condo-uni t owners from the same condo-association.
Thus only members of a given condo association can access material for that condo association.
However, there could be an additional feature of public postings where members of different condo
associations could have access: such as classified ads for items for sale, service availability or
exchange. The CON system allows its members to create a profile, to create a list of other members
with whom to share contents, and to view and add comments and contents within the system. Also, it
allow members to hold discussions in forums.
Requirements Specification
You are required to develop a database system that will store at least the information about the
following entities and relationships:
Details on members: ID, password, other personal information such as name, address, internal
email address. Members have family, friends and colleagues, privilege and status. A member can
specify what part of his/her posting is public and what part is accessible to which members of
his/her group or is private.
The administrator of a condo-association is responsible for keeping the list of condo-unit owners up
to date. Any condo-unit owner who sells his condo is considered in-active but his information is
maintained for a period of time. Any condo-unit owner can manage his/her information and delete
any of it while being in good standing: except the financial obligations and the record of all
transactions. The Condo administrator enters the details of a new condo-owner..
A member with a system administrator privilege has the full power on all services such as creation,
deletion, editing of all members and groups. The CON administrator could also post notices to the
condo-owners or public items (accessible to all users of CON and/or the general public). A member
can post new items and specify which of his/her groups can access the post and who in each group
can comment on it or add content to the post: such items could also be accessible to a wider
audience.
CON system, by default, has one member with user-name admin and password admin created
initially(Both of these must be changed after the first login). Only members with administrator
privileges can add Condo-administrators. The emails are internal to the system and delivered to a
user’s internal in-box and copies of internal email sent out are kept in a sent email box.
Details about groups: Records of information on each group, owner of the group, list of members
belonging to the group. Owner of the group can add new members or remove members
Each user has a home page which has an index of his/her contents as well as the contents of each
of the groups where he is an owner or member. The owner has a feature to view and manage
permission to any content; permission can be changed only by the owner.
Detail on contents and the permission: Each content added by a member can have a profile which
indicates who can do what with it. Content can be classified as view only, view and comment or view
and add or link to other contents.
Above are the minimum requirements: it is expected that each group would discuss this application
as well as talk to people knowledgeable in the domain to enrich the application and make it more
realistic.
Implementation Details: Functions and Reports
Design and implement the user interface using HTML, CSS, PHP, JavaScript for the required
operations described above. Details on how to use these will be provided by the lab instructors. You
also have access to a text book on the topic. Populate your tables with enough data to show the
functionality of your system. The system should support at least the following functionalists through
its interface:
1 Create/Delete/Edit/Display a user.
2 Create/Delete/Edit/Display a group.
3 Create/Delete/Edit/Display list of groups and their users.
4User’s request to join a group.
5 User’s ability to withdraw from a group.
6 User’s ability to post texts, images as well as to view posts by other members and comment on
them.
7 Users can r post or view posts of only groups that they belong to.
8 Users home main page shows the best and latest posts from their groups and friends.
9 Users can send a private message to their group(s).
10 Ability to organize an event for the group by voting on date/time/place from a set posted and or
alternates suggested by one of the group members
Note: The system would be run by an administrator on a private server (could be on a cloud). There
must be no facility to download any contents except through screen capture. Each team is to
implement the CON system. The team must have a designated leader (DBA) who coordinates the
work. It is expected that the team is to meet regularly during lab hours and each meeting is logged
with the names of group members participating. In addition to the implementation, the team is
required to prepare a machine printed preliminary report documenting their project which must
include the E-R model, the DB design and its normalization. This preliminary report is due before the
demo. The implementation of the system including the database system must be demonstrated by
each team at a pre-designated time. Remember that the database is the foundation of your system and
if it is not sound, it will bring the whole structure down. Just like the building foundation, the
database is not visible; what is visible is the structure above ground (in this case, the interface and its
functionality). It must be attractive, non-intrusive, non-intimidating and functional (a.k.a user
friendly).
1. Develop an E/R diagram for the entity sets and relationships described above. Determine the
attributes and the multiplicity of the relationships. The design should be as compact as possible
without sacrificing the required objectives. Make sure you state clearly any reasonable assumption
made in your design, which is not specified in the requirements specified above.
2. Convert your E/R diagram into a relational database schema. Make necessary refinements to the
schema, if possible. Identify various integrity constraints such as primary keys, foreign keys,
functional dependencies, and referential constraints. Make sure that your database schema is at least
in 3NF.


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