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Osm Admin: Adding Explicit Properties. Data Conversions

2022 April Osm Admin

2 years ago ∙ 4 minutes read

This time, I tackled adding an explicit property to an existing table, and then making it non-nullable.

It raised the need for data conversions - additional handling of the existing data - or otherwise, the database engine fails, or the data becomes invalid.

And it made me split migrations in two parts - the one that runs before the data conversion, and the other one that runs afterwards.

Osm Admin: Schema Migrations In Development Vs Production

2022 April Osm Admin

2 years ago ∙ 2 minutes read

Schema migrations are going to be generated and executed automatically under gulp watch. It will result in lots of tiny migrations: add a column, change its type, make it not nullable, and so on.

It's convenient during development, but it might be not optimal to reapply in production. Indeed, it's better to convert a large table to new structure all at once rather than running a conversion for each of the tiny migration.

This observation contradicts the previously stated migration workflow, so let's update it.

News: 2021 Sep 13 - Sep 24

2021 September News

3 years ago ∙ 2 minutes read

This website got a completely new look. There are new blog posts diving into core Osm Framework features. Osm Framework itself offers more convenient page layout, website-wide header, footer and <head>, customizable error pages. The themes support theme-specific CSS styles and JS scripts not bound to any module. New projects come with a handy bin/install.sh script that simplifies installation on Linux. From now on, run osmh without any parameters.

Framework: Application

2021 September Osm Framework

3 years ago ∙ 4 minutes read

In Osm Framework, an application is a set of modules that you run as a whole. There are several applications defined in the project, each having its own PHP class. Mostly, deal with the main one, Osm\App\App. Beside the class name, every application also has a name, the main one is named Osm_App.

Access the current application object, and the main parts of Osm Framework, via the global $osm_app object and its properties. Add your own long-living objects there. Run an application using its HTTP or console entry point, or using Apps::run().

Note. This post is moved to Osm Framework documentation.

Framework: Modules

2021 September Osm Framework

3 years ago ∙ 4 minutes read

Modular software development is a well-known practice of dividing your application into several modules, each doing one thing, and doing it well. It increases readability and simplifies maintenance, as application concerns are fully separated from one another, easier to reason about, and to debug.

Modular development also encourages reuse. It's like a puzzle. Using one set of modules, you'll get an e-commerce application, using another set of modules - you'll get a blog application.

Note. This post is moved to Osm Framework documentation.