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file-structure.md

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File structure

Required files

manifest.json

This file contains all needed information about the plugin, like name, author and required configuration. See the manifest documentation for more information.

main.php

Main file of the plugin. This is what will be executed when the plugin is run by UCRM.

Optional files

public.php

If this file is present, public URL will be generated for the plugin which will point to this file. When the URL is accessed, the file will be parsed as PHP script and executed.

"public" directory

Available since UCRM 2.14.0-beta4.

All files placed in this directory will be publicly accessible without any authentication. It should be used for static assets (e.g. CSS, javascript, images) as the files will be served without any processing.

Please note, that the directory will only work if the plugin has public.php file (see above).

This directory should be placed in the plugin's root, next to the public.php file. Take a look at the following plugins to see example usage:

public/admin-zone.js

Available since UNMS 1.1.0-beta2.

If this file exists, it will be automatically loaded on every admin zone page in CRM.

public/client-zone.js

Available since UNMS 1.1.0-beta2.

If this file exists, it will be automatically loaded on every client zone page in CRM.

hook_*.php files

Available since UCRM 2.16.0-beta1.

When the plugin is installed, updated, configured, enabled, disabled or removed, UCRM will automatically call the respective hook file which you can use to execute any custom commands, e.g. run initial config queries, run migrations or setup database etc.

These files should be placed in the plugin's root, next to the public.php file.

  • hook_install.php - called right after the plugin is installed
  • hook_update.php - called after plugin's version changes
  • hook_configure.php - called after plugin's configuration is saved
  • hook_enable.php - called after plugin is enabled
  • hook_disable.php - called after plugin is disabled
  • hook_remove.php - called after the plugin's data are deleted from UCRM database, but before plugin's files are deleted

"data" directory

This directory is protected in between updates of the plugin. Anything in this directory will not be touched. All other files will be deleted and new files will appear from the plugin archive.

data/config.json

Plugin configuration (i.e. plugin's parameters and their values) will be saved to this file. When the UCRM plugin's parameters are set by the user, this file is regenerated. Values can be modified by the plugin manually but any manual changes to the keys (e.g. removing, modifying or adding new keys) by the plugin will be discarded during any plugin configuration update. As a developer, you don't need to create this file unless you want to set default values for the parameters mentioned in the configuration section of manifest.json file.

data/plugin.log

Anything this file contains will be displayed as text on plugin detail page in UCRM. You can use this file for logging the plugin's output, error messages, etc.

data/files directory

Files uploaded with file type configuration will be here.

Reserved files

These files cannot be contained in the plugin archive as UCRM handles them and they would be overridden.

ucrm.json

This is an auto-generated file, created after plugin is installed in UCRM. It contains prepared configuration, that the plugin can use right away.
The configuration is automatically refreshed, when changes are made in UCRM settings.

The following options are available:

  • ucrmPublicUrl - URL under which UCRM is publicly accessible, this will be null if the Server domain name or Server IP options are not configured in UCRM.
  • ucrmLocalUrl - URL under which UCRM is locally accessible. This should be used to call UCRM API to prevent issues with self-signed certificates. Available since UCRM 2.14.0-beta3.
  • unmsLocalUrl - URL under which UNMS is locally accessible. This should be used to call UNMS API to prevent issues with self-signed certificates. Available since UNMS 1.0.0-beta.2.
  • pluginPublicUrl - URL under which the public.php file is publicly accessible, this will be null if the plugin does not have public.php file or if the Server domain name or Server IP options are not configured in UCRM.
  • pluginAppKey - An App key automatically generated for the plugin (with write permissions), which can be used to access UCRM API.
  • pluginId - ID of the plugin in UCRM. Available since UCRM 2.15.0-beta6.

Example of the ucrm.json file:

{
    "ucrmPublicUrl": "http://ucrm.example.com/",
    "ucrmLocalUrl":"http://localhost/",
    "unmsLocalUrl":"http://unms:8081/nms/",
    "pluginPublicUrl": "http://ucrm.example.com/_plugin/dummy-plugin",
    "pluginAppKey": "5YbpCSto7ffl/P/veJ/GK3U7K7zH6ZoHil7j5dorerSN8o+rlJJq6X/uFGZQF2WL",
    "pluginId": 1
}

.ucrm-plugin-running

This file is used to prevent multiple plugin executions if the previous instance is still running. This measure is used only for manual execution (using the "execute manually" button) and for automatic execution (using cron and execution period). The execution triggered by plugin's public URL is not affected, it can be accessed and run simultaneously by users or webhooks without any limitations.

Please note, that regardless of execution period chosen by the user, the plugin is never executed if the previous instance did not finish. If the script does not finish in an hour, it will be automatically killed.

.ucrm-plugin-execution-requested

This file is used to plan execution of the plugin from UCRM frontend, regardless of the chosen execution period.