Fish Inventory Shop Management System in Angular

This article explain how to make a Fish Inventory Management App in Angular.this app explain the complete module of the Inventory sales management system in Angular.if want to make a point of sales system in Angular this is right place where you will able to learn

Install the Angular

$ npm create vite@latest

Paste the Following code inside the app.component.html

<div class="container">
  <div class="card">
    <!-- Header -->
    <div class="card-header">Fish Inventory</div>

    <!-- Fish Selection -->
    <div class="form-group">
      <label>Fish</label>
      <select [(ngModel)]="option" class="form-control">
        <option value="">Please Select</option>
        <option value="1">GR</option>
        <option value="2">KG</option>
      </select>
    </div>

    <!-- Quantity Input -->
    <div class="form-group">
      <label>Qty</label>
      <input
        type="text"
        [(ngModel)]="qty"
        class="form-control"
        placeholder="Qty"
      />
    </div>

    <!-- Buttons -->
    <div class="button-group">
      <button type="button" class="calculate" (click)="calculate()">
        Calculate
      </button>
      <button type="button" class="reset" (click)="reset()">
        Reset
      </button>
    </div>

    <!-- Error Message -->

    <!-- Total Display -->
    <div class="total">Total: ${{ total }}</div>
  </div>
</div>

Paste the Following code inside the app.component.ts

import { Component } from '@angular/core';
import { FormsModule } from '@angular/forms';


@Component({
  selector: 'app-root',
  imports: [FormsModule],
  templateUrl: './app.component.html',
  styleUrl: './app.component.scss'
})
export class AppComponent {
  option: string = '';
  qty: string = '';
  total: string | null = null;
  error: string = '';

  calculate() {
    this.error = '';

    const quantity = parseFloat(this.qty);
    if (isNaN(quantity) || quantity <= 0) {
      this.error = 'Please enter a valid quantity.';
      return;
    }

    let result = 0;
    if (this.option === '1') {
      result = (quantity / 1000) * 140;
    } else if (this.option === '2') {
      result = quantity * 140;
    } else {
      this.error = 'Invalid selection.';
      return;
    }

    this.total = result.toFixed(2);
  }

  reset() {
    this.option = '';
    this.qty = '';
    this.total = null;
    this.error = '';
  }




}

Paste the Following code inside the app.component.scss

/* Container */.container {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
  }
  
  /* Card Styles */  .card {
    width: 350px;
    background-color: #fff;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
  
    .card-header {
      background-color: rgb(255, 0, 13);
      padding: 10px;
      text-align: center;
      border-radius: 4px 4px 0 0;
      color: #fff;
      font-weight: bold;
    }
  }
  
  /* Input and Select Styles */  .form-group {
    margin-top: 10px;
  
    label {
      display: block;
      margin-bottom: 5px;
      font-weight: bold;
    }
  
    .form-control {
      width: 100%;
      padding: 8px;
      border: 1px solid #ccc;
      border-radius: 4px;
    }
  }
  
  /* Button Styles */  .button-group {
    margin-top: 20px;
    display: flex;
    justify-content: space-between;
  
    button {
      padding: 8px 12px;
      border: none;
      border-radius: 4px;
      cursor: pointer;
  
      &.calculate {
        background-color: #28a745;
        color: #fff;
      }
  
      &.reset {
        background-color: #ffc107;
        color: #000;
      }
    }
  }
  
  /* Error Message */  .error-message {
    margin-top: 10px;
    color: rgb(102, 0, 255);
    text-align: center;
  }
  
  /* Total Display */  .total {
    margin-top: 20px;
    font-size: 16px;
    font-weight: bold;
    text-align: center;
  }

I have Attached the Video go through the video and make the application