Source Sales Chat Application

I: Features in the application: 1: Features for logged-in customers:

• Log in using your phone's ID; even if you delete and reinstall the application, it will automatically log in using that phone ID.

• Send messages and make calls only to the shop owner.

• Add products to the shopping cart, make purchases.

• Send your location to the shop.

2: Features for shop users:

• Log in using the email you provide, as there is no "authentication" registration function for this type of application in Firebase.

• Send messages, make calls, and save customer information.

• Share messages, images, and information from one person with others in your contacts.

• Automatically update your contacts when a customer logs in.

• Post, delete, and edit posts, categories, and products within categories.

3. General features:

• Search for products.

• Slide, zoom in on images, download images to your computer.

• Swipe to close posts and images.

• Swipe left and right to switch between product and post tabs.

4: System Functions: a: For Customers:

• Periodically delete message content and images stored on the device.

• Review images uploaded via messages with the shop.

b: For Shops (with all customer functions):

• Periodically delete messages stored on Firebase and recreate empty nodes.

• Periodically delete images on ImageKit to avoid exceeding storage limits (avoiding fees for small businesses).

When uploading images, the system retrieves the image URL, and users download the image to the device's clipboard via that URL.

• Review uploaded images.

c: Other features:

• Automatically cleans up junk files when the user uses the application for a long time.

• Optimizes FPS and resources to ensure smooth operation and prevent overheating.

• Quick reconnection.

• Smart message loading.

• Receives message and call notifications within the app and even when the app is inactive.

• Appointment reminders.

• Moderation, image sending, and messaging functions are handled by the cloudfunctions index file (secure).

• Automatically requests permissions when permissions are not granted.

• Blocks offensive language and suspicious links.

• Opens Google Maps when clicking on an address.

• Interacts with phone numbers in messages.

• Smooth scrolling even with long content and a scroll-to-top button.

• Stable, optimized keyboard system, not using the phone's built-in keyboard.

• Automatically loads resources to the device for later use.

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