Is there any way that uploaded files (specifically photos) have an uploaded number?
1 being the oldest, 2 being the newest.
Cognito-forms – way to number uploaded files (specifically photos) in Cognito Forms
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I am a developer for Cognito Forms.
Currently Range Validation (ie min and/or max values) is supported on Number, Date, and Currency fields. We have recently added support to support this same Range Validation on Price and Calculation fields. That feature will be released early next week.
To enable this Range Validation add the appropriate field to the builder. At the bottom of the Field Settings there is a Range option that supports both Minimum and Maximum Values. This can be used to require that the input of the field is between the specified Minimum and Maximum values. You do not have to enter both a Min and a Max, you can specify one, the other, both, or neither. The Min/Max values can specify either a static value or calculation.
EDIT: Cognito Forms now supports full encryption of all entry data and uploaded files at rest. Furthermore, you can mark sensitive fields as protected to ensure they are not inadvertently transmitted insecurely, such as through email notifications or insecure redirects/webhooks.
Learn more about Cognito Forms security at: http://help.cognitoforms.com/data-security
Sounds like you have already read this question and answer on the topic:
All files are store in Microsoft Azure datacenters, carefully segmented by organization to keep files safe. All web traffic to/from Cognito Forms is encrypted to ensure the safety of data in transit. Currently, we do not encrypt these files in Azure, but they do require an authenticated user from the organization in order to access them.
We plan to support full encryption of uploaded files as an option for forms later this year, which will additionally prevent files from being transmitted via email or otherwise sent through unencrypted channels.
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Best Answer
I'm a developer with Cognito Forms.
This is something that can be done with a series of calculations. You would also have to know how many files your end user is looking to upload, or to put a limit on how many so they don't go over the number that you set up.
We have built out a demo for the first two files that can be uploaded to your form. You can use them as an example to built up to the number that you would like to allow for your user to upload.
The way that we have set up the calculations the extra numbers will not display unless they have a file for that number. You will also want to make all the extra calculation fields 'hidden' or 'internal' so that your end users do not see them on the form, as this could confuse them.
You will want to start off with a Calculation field that I labeled 'List of files without numbers' this will be a simple calculation that will target the File Upload field and list out the file names as a comma separated list. The calculation that I used targets a File Upload field labeled 'File Upload field' just to be simple.
The next field that I added is another Calculation field, this will be where we start to number each of the uploaded files starting with the first uploaded or the 'oldest'. I labeled this Calculation field '1' so that I know this will be the calculation for the first uploaded file. You will want to note that we are not starting the count with '1' but rather starting it with '0'.
The next field will also be a Calculation field and will be using the same calculation for the most part except that we will be looking for the second uploaded file, and labeling it as '2' even though at the end we are searching for '1'.
The last Calculation field that you will want to set up is a calculation that will string together all the numbered file names that have been uploaded. This will be targeting the previous calculations by using their label that will start with an underscore (_) because they start with a number.
I have also included a link to a demo form that shows all the calculations in action and working together. You can test it and see what the build page looks like with all the elements working.
https://www.cognitoforms.com/templates/shared/DemoAccountForCognitoForms/FileUploadFieldWithNumbers