Group May1713 Prison Garden Application · Mobile (tablet) friendly Cross platform (tablets &...
Transcript of Group May1713 Prison Garden Application · Mobile (tablet) friendly Cross platform (tablets &...
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Prison Garden ApplicationGroup May1713
Client: Julie Stevens, College of DesignAdvisor: Doug Jacobson, College of Engineering
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Project Statement
● Provide a tool for inmates to be used for educational and rehabitual purposes ● Abide by prison security standards regarding internet access● Provide a means for admin users to track inmate progress● Provide an affordable final product● Deliverables: Web-based application, web server, user guides/manual
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Non-functional Requirements● Application constraints:
○ User-friendly content organization
○ Mobile (tablet) friendly
○ Cross platform (tablets & browsers)
● Tablet constraints:
○ Durable
○ Modifiable security options
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Functional Requirements● Safety and security
○ Disable changing of settings○ Disable storing persistent data○ Only allow access to project application
● Usability○ Clean and readable lessons○ Quizzes after completing units○ Design and create garden layouts
● Record keeping○ User progress reports
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Technology Platform
● Front-end web framework○ HTML, CSS, JS, Bootstrap
● Back-end server○ Django (Python)
● Operating systems○ Android 4.4, Linux (Ubuntu 16.04)
● Database○ MySQL
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Functional Decomposition
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Detailed Design - Operating System● No other apps
● No settings modification
● Only allow connectivity to our server
● Restrict the saving and loading of content
to/from external storage
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Detailed Design - Software Overview
● Admin Tool
● Inmate-facing application
● Back End
● Database
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Admin Tool
● Client team exports lessons as HTML
● Link handling
● Upload format
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Front End
● Garden Planning○ Create plans for garden beds○ View the history of previous plans
● Dynamically generated menus● Daily Records table
○ Public record of what was accomplished
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Back End
● User Authentication & Registration
● Create pages dynamically
● Populating Records Table
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Detailed Design - Database
● Storing as much as possible here
● Users: Type, progress, name,
password
● Lessons, articles, quizzes, images
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Server Configuration
● Why Ubuntu?○ Maintainer familiarity○ Team familiarity
● Libraries○ virtualenv○ openpyxl○ django
● Usage of virtualenv○ Isolated dependencies○ Cross-platform development
● Connection security○ Minimum exposed ports○ SSH keys only
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Testing Plan and Results● Frontend
○ Realistic scenarios to expose usability○ User interface feedback○ Open discussions with the design team
● Backend○ Modular structure to ease unit testing○ Tested logic via application use cases○ Intentional separation from frontend
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Lessons Learned
● Team Communication○ Naming convention and coding style○ Python version mismatch
● Time Management○ More time for testing
● Better design and application architecture
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Questions?
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Design Block Diagram
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Cost Estimate
● All equipment will be funded by Julie’s team and/or the prison● Hardware required includes a server, access points, and tablets● Server is going to be repurposed, so no upfront cost● Access points will likely be the UniFI AP at roughly $70 per● Depending on the tablet, cost will likely be between $50 and $100 per● Total cost estimate: $1150
○ Server: $0○ Network:$700○ Tablets: $450
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Garden
WiFi AP
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Future Features
● Remote content modification● Camera integration● Additional progress tracking