How to convert attachments to files in salesforce ?


I have uploaded an attachment (salesfiorce_migration_guide.pdf) to an opportunity record from classic salesforce. The uploaded document record has the following actions where ‘view’ action is a link to download the file.

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Uploaded attachments to an opportunity record

Next, uploading another file (router-sample.pdf) to the same opportunity record using upload file functionality in lightning. The uploaded files in the above and current scenario are shown below.

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Lightning Component for Communicating Server Side Aura Method – Best Practice 1

Aura framework provides a javascript action function to send a request from the lightning component to apex controller and it returns the response back to the client side. Please refer this link to know how the server side action is handled by the client-side controller. In this blog we are explaining the best practices can be followed to do this communication.


This implementation requires two components. The server communication is modularized into an abstracted component which is then extended to the second component as needed.
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Extending Lightning Components


In lightning, we have developed multiple components for different functionalities. All custom components include a lot of boilerplate code and we will have to exclude most of the redundant code by building generic function in the helper part of aura bundle. However, it wouldn’t be the perfect solution to avoid the redundancy as we will have to do the same for other components as well. For example, Communication between an apex controller and a component is written separately for each custom component, even if the components are related to each other. Are there any mechanisms available in lightning for abstracting the boilerplate into one component for others to make use of it?

From my experience, this can be solved by Inheritance as it makes the code more structured and flexible. The Salesforce Apex framework supports inheritance similar to what we see in object-oriented programming languages like Java and others. Is Aura framework built to support inheritance?

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