Скачать или смотреть Mastering Laravel Eloquent: Grouping and Summing Orders by Month

Learn how to efficiently group and sum orders in Laravel Eloquent while excluding certain conditions. This guide provides clear steps to enhance your Eloquent queries for better data representation.
---
This video is based on the question https://stackoverflow.com/q/63537673/ asked by the user 'user3421985' ( https://stackoverflow.com/u/3421985/ ) and on the answer https://stackoverflow.com/a/63537847/ provided by the user 'Adrian Edy Pratama' ( https://stackoverflow.com/u/12078001/ ) at 'Stack Overflow' website. Thanks to these great users and Stackexchange community for their contributions.

Visit these links for original content and any more details, such as alternate solutions, latest updates/developments on topic, comments, revision history etc. For example, the original title of the Question was: Laravel Eloquent query with condition and using sum and groupBy

Also, Content (except music) licensed under CC BY-SA https://meta.stackexchange.com/help/l...
The original Question post is licensed under the 'CC BY-SA 4.0' ( https://creativecommons.org/licenses/... ) license, and the original Answer post is licensed under the 'CC BY-SA 4.0' ( https://creativecommons.org/licenses/... ) license.

If anything seems off to you, please feel free to write me at vlogize [AT] gmail [DOT] com.
---
Mastering Laravel Eloquent: Grouping and Summing Orders by Month

In the world of web development, particularly with frameworks like Laravel, data manipulation can often be a complex challenge. Today, we'll address a common problem faced by many developers working with Eloquent ORM: how to filter and sum up orders while grouping them by month and year. Let’s dive in!

The Problem at Hand

Imagine you're building a platform similar to Amazon, where users can both buy and sell products. In this scenario, you have three main models:

User: represents the individuals on your platform

Product: represents the items available for sale

Order: represents transactions made by users

The Current Challenge

You want to retrieve a list of orders while ensuring that users cannot order products they are also selling. Additionally, you want to group these orders by year and month, and instead of merely listing them, you want to obtain the total 'amount' of these orders for each time period.

Understanding the Initial Query

Here's a breakdown of the initial Eloquent query you might be using:

[[See Video to Reveal this Text or Code Snippet]]

What This Does

Filter Orders: The whereHas method checks the associated product of each order, ensuring it’s not a product the user is selling.

Group Orders: The groupBy method organizes these orders based on the year and month they were created, which is formatted using Carbon.

The Limitation

While this gives you grouped orders, it doesn’t sum up the amount for these orders. This is where you need to enhance your query.

The Solution: Summing Amounts by Group

To get the total amount of orders summed for each month, you can utilize the map function to iterate through the grouped orders and compute the sums.

Updated Query

Here’s how to implement this:

[[See Video to Reveal this Text or Code Snippet]]

Explanation of the Code

Mapping Through Groups: The map function iterates over each group of orders.

Summing Amounts: For each group, the sum('amount') method calculates the total for that month.

Result Structure: The final output gives you a structured array where the key is the Year-Month, and the value is the total amount of orders for that period.

Conclusion

With this enhanced Eloquent query, you can efficiently manage and represent your order data by year and month while ensuring accuracy by excluding self-purchases. By mastering queries like these, you not only improve data accuracy but also enhance the overall performance and usability of your application.

Happy coding! If you have any questions or further topics you'd like to explore, feel free to reach out!