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langcode: en
status: true
dependencies:
config:
- eca.eca.eca_lib_0016
id: eca_lib_0016
label: 'Asynchronous views export'
tags:
- simple
- views
- export
- endpoint
- queue
documentation: |-
This model provides an endpoint `/eca/export/users` which can be published as a menu item or a link. When requested, it does this:
- Check access and only allow users with the administror role to cal that endpoint
- Enqueue a task called `export-users` and forward the email address of the current user
- Display a message to the user and redirect them back to the page where they came from
After that, the task is being queued and will be executed by the next cron of the Drupal site. This will then execute the view and export the result into a csv file. Finally, an email will be sent to the user who originally requested the export together with the link from where they can download the export.
Building this model has been recorded: [watch video](https://tube.tchncs.de/w/qpc4qAu2jPMPqcnzV8125h)
filename: ''
modeldata: |
<?xml version="1.0" encoding="UTF-8"?>
<bpmn2:definitions xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:bpmn2="http://www.omg.org/spec/BPMN/20100524/MODEL" xmlns:bpmndi="http://www.omg.org/spec/BPMN/20100524/DI" xmlns:camunda="http://camunda.org/schema/1.0/bpmn" xmlns:dc="http://www.omg.org/spec/DD/20100524/DC" xmlns:di="http://www.omg.org/spec/DD/20100524/DI" xmlns:qa="http://some-company/schema/bpmn/qa" id="sample-diagram" targetNamespace="http://bpmn.io/schema/bpmn" xsi:schemaLocation="http://www.omg.org/spec/BPMN/20100524/MODEL BPMN20.xsd">
<bpmn2:process id="eca_lib_0016" name="Asynchronous views export" isExecutable="true" camunda:versionTag="v1">
<bpmn2:documentation>This model provides an endpoint `/eca/export/users` which can be published as a menu item or a link. When requested, it does this:
- Check access and only allow users with the administror role to cal that endpoint
- Enqueue a task called `export-users` and forward the email address of the current user
- Display a message to the user and redirect them back to the page where they came from
After that, the task is being queued and will be executed by the next cron of the Drupal site. This will then execute the view and export the result into a csv file. Finally, an email will be sent to the user who originally requested the export together with the link from where they can download the export.
Building this model has been recorded: [watch video](https://tube.tchncs.de/w/qpc4qAu2jPMPqcnzV8125h)</bpmn2:documentation>
<bpmn2:extensionElements>
<camunda:properties>
<camunda:property name="Tags" value="simple,views,export,endpoint,queue"/>
<camunda:property name="Changelog v1" value="Initial version"/>
</camunda:properties>
</bpmn2:extensionElements>
<bpmn2:startEvent id="Event_0upnk7p" name="Endpoint response event" camunda:modelerTemplate="org.drupal.event.eca_endpoint:response">
<bpmn2:extensionElements>
<camunda:properties>
<camunda:property name="pluginid" value="eca_endpoint:response"/>
</camunda:properties>
<camunda:field name="first_path_argument">
<camunda:string>export</camunda:string>
</camunda:field>
<camunda:field name="second_path_argument">
<camunda:string>users</camunda:string>
</camunda:field>
</bpmn2:extensionElements>
<bpmn2:outgoing>Flow_1830882</bpmn2:outgoing>
</bpmn2:startEvent>
<bpmn2:task id="Activity_077y9bb" name="Get user's email address" camunda:modelerTemplate="org.drupal.action.eca_token_set_value">
<camunda:property name="pluginid" value="eca_token_set_value"/>
</camunda:properties>
<camunda:field name="token_name">
<camunda:string>email</camunda:string>
</camunda:field>
<camunda:field name="token_value">
<camunda:string>[current_user:mail:value]</camunda:string>
</camunda:field>
<camunda:field name="use_yaml">
<camunda:string>no</camunda:string>
</camunda:field>
</bpmn2:extensionElements>
<bpmn2:incoming>Flow_1830882</bpmn2:incoming>
<bpmn2:outgoing>Flow_1czmpnn</bpmn2:outgoing>
</bpmn2:task>
<bpmn2:sequenceFlow id="Flow_1830882" sourceRef="Event_0upnk7p" targetRef="Activity_077y9bb"/>
<bpmn2:task id="Activity_0udkfuk" name="Enqueue the export task" camunda:modelerTemplate="org.drupal.action.eca_enqueue_task">
<bpmn2:extensionElements>
<camunda:properties>
<camunda:property name="pluginid" value="eca_enqueue_task"/>
</camunda:properties>
<camunda:field name="task_name">
<camunda:string>export-users</camunda:string>
</camunda:field>
<camunda:field name="task_value">
</camunda:field>
<camunda:field name="tokens">
<camunda:string>email</camunda:string>
</camunda:field>
</bpmn2:extensionElements>
<bpmn2:incoming>Flow_1czmpnn</bpmn2:incoming>
<bpmn2:outgoing>Flow_1uewb92</bpmn2:outgoing>
</bpmn2:task>
<bpmn2:sequenceFlow id="Flow_1czmpnn" sourceRef="Activity_077y9bb" targetRef="Activity_0udkfuk"/>
<bpmn2:task id="Activity_00rb6ol" name="Print message" camunda:modelerTemplate="org.drupal.action.action_message_action">
<bpmn2:extensionElements>
<camunda:properties>
<camunda:property name="pluginid" value="action_message_action"/>
</camunda:properties>
<camunda:field name="message">
<camunda:string>Your request for the user export has been received. We will notify you by email ([email]) once it's ready for download.</camunda:string>
</camunda:field>
<camunda:field name="replace_tokens">
<camunda:string>yes</camunda:string>
</camunda:field>
</bpmn2:extensionElements>
<bpmn2:incoming>Flow_1uewb92</bpmn2:incoming>
<bpmn2:outgoing>Flow_0w66wzy</bpmn2:outgoing>
</bpmn2:task>
<bpmn2:sequenceFlow id="Flow_1uewb92" sourceRef="Activity_0udkfuk" targetRef="Activity_00rb6ol"/>
<bpmn2:task id="Activity_0ebf5c5" name="Get the referrer URL" camunda:modelerTemplate="org.drupal.action.eca_endpoint_get_request_header">
<bpmn2:extensionElements>
<camunda:properties>
<camunda:property name="pluginid" value="eca_endpoint_get_request_header"/>
</camunda:properties>
<camunda:field name="token_name">
<camunda:string>referer</camunda:string>
</camunda:field>
<camunda:field name="name">
<camunda:string>referer</camunda:string>
</camunda:field>
</bpmn2:extensionElements>
<bpmn2:incoming>Flow_0w66wzy</bpmn2:incoming>
<bpmn2:outgoing>Flow_18grueb</bpmn2:outgoing>
</bpmn2:task>
<bpmn2:sequenceFlow id="Flow_0w66wzy" sourceRef="Activity_00rb6ol" targetRef="Activity_0ebf5c5"/>
<bpmn2:task id="Activity_1mwsdsv" name="Redirect the user" camunda:modelerTemplate="org.drupal.action.action_goto_action">
<bpmn2:extensionElements>
<camunda:properties>
<camunda:property name="pluginid" value="action_goto_action"/>
</camunda:properties>
<camunda:field name="url">
<camunda:string>[referer]</camunda:string>
</camunda:field>
<camunda:field name="replace_tokens">
<camunda:string>yes</camunda:string>
</camunda:field>
</bpmn2:extensionElements>
<bpmn2:incoming>Flow_18grueb</bpmn2:incoming>
</bpmn2:task>
<bpmn2:sequenceFlow id="Flow_18grueb" sourceRef="Activity_0ebf5c5" targetRef="Activity_1mwsdsv"/>
<bpmn2:startEvent id="Event_079c3t3" name="Verify access to the endpoint" camunda:modelerTemplate="org.drupal.event.eca_endpoint:access">
<bpmn2:extensionElements>
<camunda:properties>
<camunda:property name="pluginid" value="eca_endpoint:access"/>
</camunda:properties>
<camunda:field name="first_path_argument">
<camunda:string>export</camunda:string>
</camunda:field>
<camunda:field name="second_path_argument">
<camunda:string>users</camunda:string>
</camunda:field>
</bpmn2:extensionElements>
<bpmn2:outgoing>Flow_1qwm7o2</bpmn2:outgoing>
</bpmn2:startEvent>
<bpmn2:task id="Activity_03czabg" name="Allow access" camunda:modelerTemplate="org.drupal.action.eca_access_set_result">
<bpmn2:extensionElements>
<camunda:properties>
<camunda:property name="pluginid" value="eca_access_set_result"/>
</camunda:properties>
<camunda:field name="access_result">
<camunda:string>allowed</camunda:string>
</camunda:field>
</bpmn2:extensionElements>
<bpmn2:incoming>Flow_1qwm7o2</bpmn2:incoming>
</bpmn2:task>
<bpmn2:sequenceFlow id="Flow_1qwm7o2" name="is admin?" camunda:modelerTemplate="org.drupal.condition.eca_current_user_role" sourceRef="Event_079c3t3" targetRef="Activity_03czabg">
<bpmn2:extensionElements>
<camunda:properties>
<camunda:property name="pluginid" value="eca_current_user_role"/>
</camunda:properties>
<camunda:field name="role">
<camunda:string>administrator</camunda:string>
</camunda:field>
<camunda:field name="negate">
<camunda:string>no</camunda:string>
</camunda:field>
</bpmn2:extensionElements>
</bpmn2:sequenceFlow>
<bpmn2:startEvent id="Event_0k7tmxh" name="Process task export-users" camunda:modelerTemplate="org.drupal.event.eca_queue:processing_task">
<bpmn2:extensionElements>
<camunda:properties>
<camunda:property name="pluginid" value="eca_queue:processing_task"/>
</camunda:properties>
<camunda:field name="task_name">
<camunda:string>export-users</camunda:string>
</camunda:field>
<camunda:field name="task_value">
</camunda:field>
<camunda:field name="distribute">
<camunda:string>no</camunda:string>
</camunda:field>
<camunda:field name="cron">
</camunda:field>
</bpmn2:extensionElements>
<bpmn2:outgoing>Flow_1vhshhg</bpmn2:outgoing>
</bpmn2:startEvent>
<bpmn2:task id="Activity_0lbjb7k" name="Run export" camunda:modelerTemplate="org.drupal.action.eca_views_export">
<bpmn2:extensionElements>
<camunda:properties>
<camunda:property name="pluginid" value="eca_views_export"/>
</camunda:properties>
<camunda:field name="load_results_into_token">
<camunda:string>no</camunda:string>
</camunda:field>
<camunda:field name="token_name">
</camunda:field>
<camunda:field name="view_id">
<camunda:string>user_admin_people</camunda:string>
</camunda:field>
<camunda:field name="display_id">
<camunda:string>data_export_1</camunda:string>
</camunda:field>
<camunda:field name="arguments">
</camunda:field>
<camunda:field name="token_for_filename">
</camunda:field>
<camunda:field name="filename">
<camunda:string>private://user-export.csv</camunda:string>
</camunda:field>
</bpmn2:extensionElements>
<bpmn2:incoming>Flow_0nkpjhl</bpmn2:incoming>
<bpmn2:outgoing>Flow_1p088d5</bpmn2:outgoing>
</bpmn2:task>
<bpmn2:sequenceFlow id="Flow_1vhshhg" sourceRef="Event_0k7tmxh" targetRef="Activity_13dr0m3"/>
<bpmn2:task id="Activity_0kl7hjm" name="Send email" camunda:modelerTemplate="org.drupal.action.action_send_email_action">
<bpmn2:extensionElements>
<camunda:properties>
<camunda:property name="pluginid" value="action_send_email_action"/>
</camunda:properties>
<camunda:field name="recipient">
<camunda:string>[email]</camunda:string>
</camunda:field>
<camunda:field name="subject">
<camunda:string>Your export is available for download</camunda:string>
</camunda:field>
<camunda:field name="message">
<camunda:string>You can find it here: [site:url]sites/default/private/user-export.csv</camunda:string>
</camunda:field>
<camunda:field name="replace_tokens">
<camunda:string>yes</camunda:string>
</camunda:field>
</bpmn2:extensionElements>
<bpmn2:incoming>Flow_1p088d5</bpmn2:incoming>
</bpmn2:task>
<bpmn2:sequenceFlow id="Flow_1p088d5" sourceRef="Activity_0lbjb7k" targetRef="Activity_0kl7hjm"/>
<bpmn2:task id="Activity_13dr0m3" name="Switch user" camunda:modelerTemplate="org.drupal.action.eca_switch_account">
<bpmn2:extensionElements>
<camunda:properties>
<camunda:property name="pluginid" value="eca_switch_account"/>
</camunda:properties>
<camunda:field name="user_id">
<camunda:string>1</camunda:string>
</camunda:field>
</bpmn2:extensionElements>
<bpmn2:incoming>Flow_1vhshhg</bpmn2:incoming>
<bpmn2:outgoing>Flow_0nkpjhl</bpmn2:outgoing>
</bpmn2:task>
<bpmn2:sequenceFlow id="Flow_0nkpjhl" sourceRef="Activity_13dr0m3" targetRef="Activity_0lbjb7k"/>
</bpmn2:process>
<bpmndi:BPMNDiagram id="sid-fa53906d-c46e-4756-b923-ce3a6554cd0d">
<bpmndi:BPMNPlane id="sid-c61c351f-1564-4cce-8b6c-5dce9ce1c3d8" bpmnElement="eca_lib_0016">
<bpmndi:BPMNShape id="Event_0upnk7p_di" bpmnElement="Event_0upnk7p">
<dc:Bounds x="252" y="82" width="36" height="36"/>
<dc:Bounds x="233" y="125" width="76" height="27"/>
</bpmndi:BPMNLabel>
</bpmndi:BPMNShape>
<bpmndi:BPMNShape id="Activity_077y9bb_di" bpmnElement="Activity_077y9bb">
<dc:Bounds x="340" y="60" width="100" height="80"/>
<bpmndi:BPMNLabel/>
</bpmndi:BPMNShape>
<bpmndi:BPMNShape id="Activity_0udkfuk_di" bpmnElement="Activity_0udkfuk">
<dc:Bounds x="500" y="60" width="100" height="80"/>
<bpmndi:BPMNLabel/>
</bpmndi:BPMNShape>
<bpmndi:BPMNShape id="Activity_00rb6ol_di" bpmnElement="Activity_00rb6ol">
<dc:Bounds x="660" y="60" width="100" height="80"/>
<bpmndi:BPMNLabel/>
</bpmndi:BPMNShape>
<bpmndi:BPMNShape id="Activity_0ebf5c5_di" bpmnElement="Activity_0ebf5c5">
<dc:Bounds x="820" y="60" width="100" height="80"/>
<bpmndi:BPMNLabel/>
</bpmndi:BPMNShape>
<bpmndi:BPMNShape id="Activity_1mwsdsv_di" bpmnElement="Activity_1mwsdsv">
<dc:Bounds x="980" y="60" width="100" height="80"/>
<bpmndi:BPMNLabel/>
</bpmndi:BPMNShape>
<bpmndi:BPMNShape id="Event_079c3t3_di" bpmnElement="Event_079c3t3">
<dc:Bounds x="252" y="202" width="36" height="36"/>
<dc:Bounds x="232" y="245" width="78" height="27"/>
</bpmndi:BPMNLabel>
</bpmndi:BPMNShape>
<bpmndi:BPMNShape id="Activity_03czabg_di" bpmnElement="Activity_03czabg">
<dc:Bounds x="340" y="180" width="100" height="80"/>
<bpmndi:BPMNLabel/>
</bpmndi:BPMNShape>
<bpmndi:BPMNShape id="Event_0k7tmxh_di" bpmnElement="Event_0k7tmxh">
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</bpmndi:BPMNLabel>
</bpmndi:BPMNShape>
<bpmndi:BPMNShape id="Activity_0lbjb7k_di" bpmnElement="Activity_0lbjb7k">
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<bpmndi:BPMNLabel/>
</bpmndi:BPMNShape>
<bpmndi:BPMNShape id="Activity_0kl7hjm_di" bpmnElement="Activity_0kl7hjm">
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<bpmndi:BPMNLabel/>
</bpmndi:BPMNShape>
<bpmndi:BPMNShape id="Activity_13dr0m3_di" bpmnElement="Activity_13dr0m3">
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<bpmndi:BPMNLabel/>
</bpmndi:BPMNShape>
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</bpmndi:BPMNEdge>
<bpmndi:BPMNEdge id="Flow_1czmpnn_di" bpmnElement="Flow_1czmpnn">
<di:waypoint x="440" y="100"/>
<di:waypoint x="500" y="100"/>
</bpmndi:BPMNEdge>
<bpmndi:BPMNEdge id="Flow_1uewb92_di" bpmnElement="Flow_1uewb92">
<di:waypoint x="600" y="100"/>
<di:waypoint x="660" y="100"/>
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<bpmndi:BPMNEdge id="Flow_0w66wzy_di" bpmnElement="Flow_0w66wzy">
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<di:waypoint x="820" y="100"/>
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<bpmndi:BPMNEdge id="Flow_18grueb_di" bpmnElement="Flow_18grueb">
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<di:waypoint x="980" y="100"/>
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<di:waypoint x="340" y="220"/>
<dc:Bounds x="291" y="202" width="48" height="14"/>
</bpmndi:BPMNLabel>
</bpmndi:BPMNEdge>
<bpmndi:BPMNEdge id="Flow_1vhshhg_di" bpmnElement="Flow_1vhshhg">
<di:waypoint x="288" y="360"/>
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<bpmndi:BPMNEdge id="Flow_1p088d5_di" bpmnElement="Flow_1p088d5">
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<di:waypoint x="660" y="360"/>
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<bpmndi:BPMNEdge id="Flow_0nkpjhl_di" bpmnElement="Flow_0nkpjhl">
<di:waypoint x="440" y="360"/>
<di:waypoint x="500" y="360"/>
</bpmndi:BPMNEdge>
</bpmndi:BPMNPlane>
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</bpmn2:definitions>