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karkranikhil/filePreviewAndDownloadController.cls

Created October 28, 2020 03:30
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file preview and upload in lwc
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filePreviewAndDownloadController.cls
public with sharing class filePreviewAndDownloadController {
@AuraEnabled(cacheable=true)
public static Map<ID, String> getRelatedFilesByRecordId(String recordId) {
// Get record file IDs
List<ContentDocumentLink> files = [SELECT ContentDocumentId FROM ContentDocumentLink WHERE LinkedEntityId = :recordId];
List<ID> fileIDs = new List<ID>();
for (ContentDocumentLink docLink : files) {
fileIDs.add(docLink.ContentDocumentId);
}
List<ContentVersion> docs = [SELECT ContentDocumentId, FileExtension, Title
FROM ContentVersion WHERE ContentDocumentId IN : fileIDs];
Map<ID, String> mapIdTitle = new Map<ID, String>();
for (ContentVersion docLink : docs) {
mapIdTitle.put(docLink.ContentDocumentId, docLink.Title);
}
return mapIdTitle;
}
}
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karkranikhil commented Oct 28, 2020

making public

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