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odataswift4swift5

urlEncoding issue with Swift Odata

Our OData service 

 {{url}}/odata/GroupMembers?$filter=GroupName eq 'PDL-**-Users-Test'

The spaces before and after eq is becoming %2520 upon urlencoding in Swift which is leading to error code 400.

odata/GroupMembers?$filter=GroupName%2520eq%2520'PDL-**-Users-Test'
Solution

  • My earlier code was, 

    urlComponents.queryItems = [URLQueryItem]()

for (key,value) in parameters {
         let queryItem = URLQueryItem(name: key,
                                         value: "\(value)".addingPercentEncoding(withAllowedCharacters: .urlQueryAllowed))            
   }

urlRequest.url = urlComponents.url

    by removing the following code, it worked.

    .addingPercentEncoding(withAllowedCharacters: .urlQueryAllowed)

    Reason being Apple's URLComponents and URLQueryItem does the encoding in Swift.