dvsa/mot-document-module

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Shared Document and Report Generation Module

v2.0.0 2023-09-19 07:58 UTC

README

This library provides two modules; one to create point-in-time snapshots of documents and another to generate a report based on a given template and document identifier. These modules enforce clean if slightly awkward separation of concerns; the document creation module requires a database connection while the report service directly invokes lambda Certificate Generation Service via its RESTful API.

Modules

  • DvsaDocument
  • DvsaReport

Installation

Add the git repository to the repositories section of your application's composer.json:

"repositories": [
    {
        "type": "git",
        "url": "ssh://git@gitlab.clb.npm/sc/dvsa-document-module.git"
    }
]

Then simply require the relevant tag:

"require": {
    "dvsa/dvsa-document-module": "0.1.0"
}

Configuration

Document Module

The document module does not require any standalone configuration, although it does depend on doctrine and a database connection being available to the consumer application.

Report Module

If you need to generate a report, ensure the following keys are present somewhere in your application's configuration (i.e. somewhere under config/autoload or similar):

'certificate_generation' => [
        'uri' => {lambda_uri},
        'x-api-key' => {labda_api_key},
        'logCalls' => {true or false value}
]

Usage

Creating a document (DvsaDocument)

The document module does not expose a route to create a new document since this logic will most often be encompassed as part of an application specific call. The DocumentService exposes a method to do this directly:

public function createSnapshot($templateName, $data = [])

templateName must be a valid 'friendly name' as defined by the consuming application; this will be looked up against a list of database templates and stored as a foreign key against the newly created document.

data is simply an array of key/value pairs which make up the document's content.

Return value

The return value will always be a document identifier; if the process fails an EmptyDocumentException or TemplateNotFoundException will be raised.

Retrieving the report name for a document (DvsaDocument)

The document module exposes a route to look up the relevant jasper report name for a given document identifier and optional variation, which in turn invokes the following DocumentService method:

public function getReportName($documentId, $variation = null)

The optional variation parameter must correspond to a valid template variation defined in the application's database. This allows for one document to be used as the source data for multiple reports whilst still enforcing that the reports are somehow related; i.e. the same report translated into a different language.

Return value

The return value will always be a string representing the full Jasper Report name. If the process fails a TemplateNotFound exception will be raised.

Route

The above service call is exposed via a single route, /get-report-name/:id/:variation which if successful will return a JSON object with a single property, report-name.

Retrieving a report (DvsaReport)

Armed with a $documentId and a $reportName, simply get an instance of the ReportService and invoke the following method:

public function getReportById($documentId, $reportName, $runtimeParams = [])

This method constructs a URL which is then requested directly via Jasper Server's RESTful API; as such the consuming application in this instance must be able to communicate directly with your configured Jasper endpoint.

The optional runtimeParams variable will be passed along with the request allowing your template to accept extra input at report generation time. Each key of the array will be available within your report as $P{KeyName} which will have its value replaced accordingly.

Return value

This method will return a raw \Laminas\Http\Response which you can interrogate for the relevant document information (size, content type, etc). The response also stores an over-arching success status, $response->isSuccess().

Converting a report response into a domain model (DvsaReport)

If the Zend Http Response object isn't suitable, you may inject it into back into a helper method of the service which will translate it into a Report model:

public function getReportFromResponse(\Laminas\Http\Response $response)

Return value

This will return a Report model which is simply a business layer representation of the original response. It will throw a ReportNotFoundException if the response was not successful.

Contributing

Please refer to our Contribution Guide.