Mind map

Mind map

1. Requirements

   • Self determined criteria
     • The website must be able to display barbie dolls and their price with a link to a third party e-commerce website and have an intuitive easy to use user experience
     • The web application must be able to filter through search results by career, career type and release year
   • Prescribed criteria
     • Web application displays Barbie Data from an external data source
     • Web application allows a user to search the Barbie data
   • Constraints
     • time
       • Time limit of 8 weeks
     • skill
       • No professional coding experience/ knowledge
     • coding environment
       • Requires internet access and PC setup
   • existing solutions
     • BarbieDB
       • Plus
         • Contains search bar and filters
       • Minus
         • Does not provide where the barbie dolls can be purchased
     • Amazon
       • Plus
         • Has search bar, filters purchase options and user reviews
       • Minus
         • Has an unappealing theme

2. User problem

   • User persona 1
     • Wants
       • To be able to filter through Barbie dolls by release date and career type
     • Needs
       • Website where he can buy barbie dolls based on thier career
     • Details
       • Jian Yang, 37, Singapore
   • User persona 2
     • Needs
       • Website where she can look at Barbie dolls
     • Details
       • Barbara Schmidt, 65, Germany
     • Wants
       • Easy to navigate website which has large text

3. Developer problem

   • User interface
     • User interface components
       • search and filter
       • links
       • images
       • drop down menu
     • Usability Principles
       • accessibility
         • Ability of users with disabilities like poor eyesight to have the same level of user experience
       • safety
         • Is reducing the amount of mistake that can occur and making all mistakes recoverable.
       • effectiveness
         • Measures how quickly a user can accomplish his/ her task once they become accompanied with the interface
       • learnability
         • Ease of learning application and use of familiar controls like x button to close
       • Utility
         • How easy to use the application is
     • Features
       • Dark mode
       • Buy/ sell and trade
       • Search and filters
   • Data
     • Data storage and retrieval
       • SQLite database
       • POST, GET and create table statements
     • Required data
       • Career
         • Varchar
           • 255
             • NOT NULL
       • Type
         • Varchar
           • 255
             • NOT NULL
       • Year
         • INT
           • 4
             • NOT NULL
     • Data source options
       • mySQL
         • Pros
           • Scalability
           • Performance
         • Cons
           • Stability
           • Inefficent
       • SQLite
         • Pros
           • Fast reading and writing
           • Simple

4. Impacts

   • Social
     • Users will be able to enjoy their hobby more due to ease of buying dolls
   • Personal
     • Allows Jian to complete his collection and allows Barbara to bond with her granddaughter about her old dolls
   • Economic
     • The website gets a commission for each sale found through the website allowing it to cover its maintenance and hosting costs.