The File Version Maintenance Utility
BrainSoft Inc. is a software
development company.
The company has various departments, such as
software development, marketing, finance, and technical writing.
The technical writing
department has only
a few employees. These
employees create user manuals for the products that are developed by
the company.
In order to meet the
quality standards, the
technical writers
perform
peer reviews for every
document created
in the department.
The company uses a centralized system to
store the
documents created by the
technical writers. Every
employee
in the technical writing department has rights to view and modify the documents
created by others. After creation, a
document may
be updated several times
by several users. However,
the current system stores
only the
latest version of a document.
This is a major drawback
because sometimes an older version of the file may
be required for reference. To eliminate
this drawback, the company wants to use an application that
can maintain all
versions of a
document.
Your team
has been asked to
develop a File
Version Maintenance Utility.
The utility should maintain all
the versions of a
file. When
a user modifies a file, the current
version of the file should be stored
separately
before the
update operation
is executed.
The application should
also keep a record of:
n
The date and time of
the modification.
n
The name of the user
who has
modified the file.
Design Specifications
The File
Version Maintenance
Utility
should be designed to meet
the following specifications:
n
It should be
a console-based application
for a standalone machine.
n
It should provide menu options to
perform
various
activities.
n
For every
file
maintained
by the
utility,
a history
folder
should
be maintained.
The history
folder
should
contain the previous versions of
the file.
n
A user
needs to
provide
a user
name and password to
log on to the utility.
n
Users are of
two types, normal
users and
administrators.
n
After
successful
logon, a normal
user can
perform
the following tasks:
l
Add, modify,
delete,
and view files
l
View previous versions
of a file
n
A user
with
administrative
rights
should
be able
to perform
the following
tasks
after logging
on:
l
Add, modify,
delete,
and view files
l
View previous versions
of a file
l
Create new user
accounts
n
When a user
edits
a file,
the current
version
of the
file
should
be copied
to the History
folder. After
that, the modifications
in the
file
should be saved.
n
The different
versions
of a file
need to
be stored
with
different
names
in the
history folder. The name of a version can be chosen in the <File Name>_<Version Number>
format.
For example,
the first
two versions
of a file
named EmployeeDetails.txt
can be
stored
in the
History
folder
as EmployeeDetails_1.txt and EmployeeDetails_2.txt.
n
A user
can list
the
version
history
of a file.
After
listing
the various
versions
of the file,
the user
can view
any version of
the file by
providing
the version
number.
n
A user
can also
replace
the current
version
of the
file
with
any of its
previous versions.
n
When a file
is deleted, its
complete version history
should also
be deleted.
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