AllSharing Case Study: Marketplace for Secure Item Rentals

Public profile page: avatar, name, about section

Overall rating display

Follower / following counters

“My items” list (owner showcase) with product cards and prices

Search across own items

Quick action “Rent out” (go to create/publish)

“Requests” section by item — incoming rental inquiries

“My orders” section with active and past orders

Rental calendar with date selection and event list

Execution scenario switch: “Delivery” / “Pickup”

Adding/scheduling a rental in the calendar

Editing profile photo and personal details

Password management

Payment methods: linking/managing bank cards and bank details

An in-platform bonus system was implemented

A referral program with bonus accrual was implemented

Wallet: two balances — rubles and bonuses

Balance top-up

Transaction history — credits and debits with date and amount

Ability to receive bonuses by entering a coupon

Withdrawals: method selection, amount entry, operation statuses

Screen prompting to open settings when no payment methods are set

Map service integration

Address management (address list)

Display of the “primary” address

Map search for rental points and display of other items on the map

Accounts were split into individuals and legal entities so the platform works legally correctly: different identification requirements, different payout methods, and different mandatory data sets

For individuals, passport verification was implemented: data entry + document upload or capture, review statuses, and a “verified” status display

For legal entities, company document-pack verification was implemented: required file list, submission for review, and result statuses

For individuals / self-employed users, card withdrawal was implemented: select card => enter amount => confirm, with status handling and required notifications in the withdrawal flow

For legal entities, bank-details withdrawal was implemented: select or add bank details => enter amount => confirm

Owner creates a listing with item description and rental terms

Publishing the listing on the platform

Editing listing parameters and rental terms

Managing item availability over time (to prevent booking conflicts)

A separate chat is created for each item between seller and buyer

The chat is created automatically when “Message seller” is pressed

An item card (title, photo, price) is shown inside the chat for conversation context

One item — one dialog, so conversations do not mix

Text message exchange between parties

Real-time message delivery

Conversation history is saved in the personal account

Chat is available only to the seller and the buyer

No public access to the conversation

Ability to report a user from the chat interface

Ability to block a user

Navigate from chat back to the item page

Display listing status (active / sold / unpublished)

Notify parties when the item status changes

Notifications about new messages

Unread message count display

Renter selects rental dates

Specifies additional terms (if needed)

Sends the request to the item owner

The request is automatically recorded in the system

A dedicated section in the personal account

Incoming request list for each item

Display: who submitted the request

Display: for which dates

Display: rental duration

Display: estimated cost

Full information on the rental request

Ability to open a chat with the requester

Check for overlap with other bookings

“Confirm” button

“Reject” button

Automatic renter notification about the decision

Request status change: pending / confirmed / rejected

After confirmation, dates are blocked in the item calendar

Double booking is prevented

Busy dates are shown to other users

Categories and subcategories by item type (electronics, sports, auto, household items, etc.)

Ability to expand the category structure

Search by type, title, category

Convenient filters: price, time availability, item parameters

Rental payment inside the platform as part of the deal

Rental payment through the platform

Deposit mechanics as part of the deal: hold/retain/release after rental completion

Deposit logic is included in the overall payment scheme

A legal payment framework where deal funds do not stay inside the platform

Funds are placed on specialized accounts for additional control

This scheme simplifies compliance and tax-system requirements

Handoff confirmation via QR code, used by both parties at the meeting

Confirms item transfer and records the start of the rental

Item return after the rental ends

Deal finalization after return (including deposit and terms)

Ability to leave a review after the deal is completed

Ratings build trust inside the platform

The rating lets users evaluate another user by interaction history

Filing a complaint about a deal

Ability to attach evidence

Ability to dispute a rental / deal outcome

A single materials feed on the platform

Article cards with basic information

Open the full article from the feed

Creating and publishing useful materials by owners and regular users

Article formatting: title, text, media, markdown

Publication management: edit/update material

Article view counter

Basic activity metrics to gauge audience interest — likes, share counter

Comments under articles

Ability to discuss materials and get user feedback

Content integration with recommendation logic

Article selection by user interests and behavior to increase engagement and return visits

Handling complaints about users and rentals

Listing moderation

User support via a built-in admin system, with separate chats for each user

Platform statistics — user activity, revenue

User deletion and blocking functionality

React

.NET 8 + ASP.NET Core 8 - Main runtime

EF Core 8 - Main ORM for database queries

PostgreSQL 16 - Database