This question runs in a pre-configured Salesforce environment - no personal connection required.
Make an HTTP callout to the Star Wars API to fetch character details by ID. Return a Map containing the character name, height, and mass. If the API call fails, returns an error status code, or the characterId is invalid, return null.
The Star Wars API endpoint is: https://swapi.info/api/people/{id}
The API returns a JSON response with character details including name, height, mass, and other properties. Extract only the name, height, and mass fields and return them in a Map with keys: 'name', 'height', 'mass'.
Examples:
Input: characterId = 1
Output: {'name' => 'Luke Skywalker', 'height' => '172', 'mass' => '77'}
Explanation: Fetches character with ID 1 and returns name, height, and mass
Input: characterId = 4
Output: {'name' => 'Darth Vader', 'height' => '202', 'mass' => '136'}
Explanation: Fetches character with ID 4 and returns name, height, and mass
Input: characterId = 999
Output: null
Explanation: Invalid character ID returns null
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