Overview

Expense Tracker is a simple yet powerful animations written in Swift.

Features

Expense Tracker loads Expenses or Income from Local Data Storage CoreData.

• CoreData Manager assigns work to Worker
• Added CoreData Worker for Adding/Deleting records from the Local Data Storage
• CoreData Worker also calculate the Total Expenses, Income while first time fetching the transactions from the Local Storage
• All the entries are displayed inside a separate section of UITableView using Grouped layout
• First Row of each section is non-deletable, It shows the Locale Date only. E.g. Sep 2, 2022
• Protocols added whenever required such as ViewModel, Local Data Storage, ViewProtocol, Coordinator Protocol and many more
• Use MVVM-C (Coordinator) architecture pattern
• Use Factory design pattern for PersistanceStoreContainer, ChildCoordinator
• Use Enum for TransactionType, PersistanceStore Name, CRUD Type, ChildCoordinator, and many more
• Created ViewModels for HeaderView, UITableViewCell, AddTransaction Screen
• Working with Dependency Injections
• Follow SOLID Principles such as Validation classes follows Single Responsibility Principle, Open-Closed Principle, Interface Segregation Principle, Dependency Inversion Principle
• Write Test Cases

Add Transaction

• Newest entry will be listed as First Row/Section
• Newest entry will be added using TableViewRowAnimation and perform Batch Updates

Validations while adding Transaction

• Maximum amount is set to 100_000_000 (One Hundred Million)
• Minimum amount is set to 0
• If Transaction Type not selected like Expense/Income
• Display error message on screen when press Add button

Delete Transaction

• Swipe to Delete the record feature is available
• Deleted record will be animated via TableViewRowAnimation and perform Batch Updates
• Whole section will be deleted when only one record is there under the section other than first row

App Walkthrough

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