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scanm.art

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1.0.0

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Scanmart App

Scanmart App is a web app used for a self-checkout workflow, where customers can scan the products themselves and add them to their basket.

The app was constructed with the help of create-react-app and supplemented with the following libraries/tools/packages:

Storybook (presenting isolated component)
Bootstrap (used for general styling & responsiveness)
Quagga JS (used for scanning items)
Firebase Realtime Database (used for storing basket data)
prettier (used for code formatting)
PropTypes (used for type-checking)
toastify (used to presenting toasts through the app)
uuid (used for generating unique IDs for baskets)
react-router (used for routing)

The code is stored in a GitHub repository, and the app is deployed on Netlify. Netlify start the build & deployment process everytime there is a change, i.e. a merged PR on the main branch. Firebase config (app ID, app URL, etc.) is stored as environment variables.

To run the app locally, please scroll down and follow the instructions provided by CRA. In order to get the camera to work locally, add an .env file in the project's root and insert this value in it HTTPS=true. Rebuild the app and it should work.

Task list in chronological order

Research existing solutions
Find the appropriate & available name
Buy the domain
Create a logo
Create wireframes
Start a local project & create a GitHub repo
Start a project in Netlify & connect the domain
Connect the GitHub repo with the Netlify project & start automatic build & deploy process
Install Storybook
Install Bootstrap & add initial styling
Install & implement Quagga library
Atomize the code into components
Install & implement prettier
Set up React Context for the basket data & components
Install & implement react router
Install & implement Firebase Realtime Database for saving the basket data
Set up creation of anonymous basket sessions
Add additional code comments
Add and adapt a few Storybook stories
Update the documentation

Research & naming

Materials used for functionality & UI research:

ScanPayGo
MishiPay
AckerPay
RetailCloud Self Checkout App
mInventory app
retail7.io Self Checkout App
BILLA Scan & Go
Scan&Go
Dribbble Post
barcoo App

Finally, the barcoo app served as the biggest inspiration for the UI and UX. I basically reviewed the design of each of the above-mentioned apps (where it was available) and tried to find the most suitable parts for my app. Once I was satisfied with the UI/UX research, I tried to come up with a name. The trick was to find something that makes sense, but that has not been previously used, i.e. has an available domain. I settled on Scanmart which is a product of two words "scan" and "market" and I bought the "scanm.art" domain to ensure its uniqueness.

This project is available at scanm.art.

Logo & Wireframes

Logo

I didn't want to lose a lot of time on the logo, so I went with a mostly typographical one. There are corner borders added to it, to simulate a barcode scanner design. The font used is Poppins. I used a Google font, because they are free and their license allows commercial use.


Main Logo	Favicon

Wireframes


Start	Main Screen	Camera Error	Scan Modal	Basket

Technical project description

File & Folder Structure

src folder is where everything resides.

assets folder contains images/icons used in the project, as well as the custom styles & the graphics used in the README file.

components folder, as its names states, contains the components used in this project. They are each stored in separate folders.

context folder contains the Basket & Offcanvas context which serve to provide information about the sidebar and the scanned items throughout the app.

utils folder contains one utility function.

views folder contains the views used in this app.

The whole app is structured in a way, where context providers wrap the routes and the routes contain one layout which further presents the views, i.e. its sub-routes.

.
|-- README.md
|-- netlify.toml
|-- package-lock.json
|-- package.json
|-- public
|   |-- index.html
|   |-- manifest.json
|   |-- miniLogo.png
|   `-- robots.txt
`-- src
    |-- App.css
    |-- App.js
    |-- App.test.js
    |-- assets
    |   |-- docs
    |   |   |-- Basket.png
    |   |   |-- CameraError.png
    |   |   |-- MainScreen.png
    |   |   |-- ScanModal.png
    |   |   |-- Start.png
    |   |   |-- faviconPresentation.png
    |   |   |-- logo.ai
    |   |   `-- logoPresentation.png
    |   |-- img
    |   |   |-- bag.svg
    |   |   |-- barcode.svg
    |   |   |-- box.svg
    |   |   `-- logo.png
    |   `-- scss
    |       |-- custom.css
    |       |-- custom.css.map
    |       `-- custom.scss
    |-- components
    |   |-- BarcodeScanner
    |   |   `-- BarcodeScanner.js
    |   |-- CartItem
    |   |   |-- CartItem.js
    |   |   `-- CartItem.stories.js
    |   |-- Controls
    |   |   |-- Controls.js
    |   |   `-- Controls.stories.js
    |   |-- Header
    |   |   `-- Header.js
    |   |-- ItemModal
    |   |   `-- ItemModal.js
    |   |-- Offcanvas
    |   |   `-- OffcanvasComponent.js
    |   `-- VideoComponent
    |       `-- VideoComponent.js
    |-- context
    |   |-- BasketContext.js
    |   `-- OffcanvasContext.js
    |-- firebase.js
    |-- index.js
    |-- logo.svg
    |-- reportWebVitals.js
    |-- setupTests.js
    |-- stories
    |   |-- Configure.mdx
    |   `-- assets
    |       |-- accessibility.png
    |       |-- accessibility.svg
    |       |-- addon-library.png
    |       |-- assets.png
    |       |-- avif-test-image.avif
    |       |-- context.png
    |       |-- discord.svg
    |       |-- docs.png
    |       |-- figma-plugin.png
    |       |-- github.svg
    |       |-- share.png
    |       |-- styling.png
    |       |-- testing.png
    |       |-- theming.png
    |       |-- tutorials.svg
    |       `-- youtube.svg
    |-- utils
    |   `-- removeVideoElement.js
    `-- views
        |-- Main
        |   `-- Main.js
        `-- Start
            `-- Start.js

Getting Started with Create React App

This project was bootstrapped with Create React App.

Available Scripts

In the project directory, you can run:

`npm start`

Runs the app in the development mode.
Open http://localhost:3000 to view it in your browser.

The page will reload when you make changes.
You may also see any lint errors in the console.

`npm test`

Launches the test runner in the interactive watch mode.
See the section about running tests for more information.

`npm run build`

Builds the app for production to the build folder.
It correctly bundles React in production mode and optimizes the build for the best performance.

The build is minified and the filenames include the hashes.
Your app is ready to be deployed!

See the section about deployment for more information.

`npm run eject`

Note: this is a one-way operation. Once you eject, you can't go back!

If you aren't satisfied with the build tool and configuration choices, you can eject at any time. This command will remove the single build dependency from your project.

Instead, it will copy all the configuration files and the transitive dependencies (webpack, Babel, ESLint, etc) right into your project so you have full control over them. All of the commands except eject will still work, but they will point to the copied scripts so you can tweak them. At this point you're on your own.

You don't have to ever use eject. The curated feature set is suitable for small and middle deployments, and you shouldn't feel obligated to use this feature. However we understand that this tool wouldn't be useful if you couldn't customize it when you are ready for it.