SK_ToolingAPIFieldsUtility

public class SK_ToolingAPIFieldsUtility {
    
    @AuraEnabled
    public static DM_FieldWrapper findAllFields(string selOrgNCName,string objAPIName,string NamespacePrefix){
        DM_FieldWrapper returnValue= new DM_FieldWrapper();
        
        string URIForFields='/services/data/v54.0/tooling/query/?q=Select+id,Datatype,ReferenceTo,ExtraTypeInfo,IsCalculated,IsCompound,IsIndexed,ValueTypeId,RelationshipName,NamespacePrefix,Label,IsNameField,QualifiedApiName,developerName+from+FieldDefinition+';
        URIForFields=URIForFields + 'where+EntityDefinition.QualifiedApiName=\''+objAPIName+'\'+AND+IsCalculated=false+';
        URIForFields=URIForFields + '+AND+DataType!=\'Auto+Number\'';
        string endpointURL='callout:'+selOrgNCName+URIForFields;   
        if(string.isNotBlank(NamespacePrefix)){
            endpointURL=endpointURL+'+AND+NamespacePrefix=\''+NamespacePrefix+'\'';
        }
        system.debug('***endpointURL:'+endpointURL);
        HttpRequest req = new HttpRequest();
        req.setEndpoint(endpointURL);
        req.setMethod('GET');
        Http http = new Http();
        HTTPResponse res = http.send(req);
        DM_FieldWrapper  JSONDetails= DM_FieldWrapper.parse(res.getBody());
        System.debug('****field count-:'+JSONDetails.records.size());
        for(cls_records fdata : JSONDetails.records){
            system.debug('****fdata.QualifiedApiName:'+fdata);
        }
        returnValue= JSONDetails;
        return returnValue;
    }
    
    public class DM_FieldWrapper{
        public Integer size;	
        public Integer totalSize;
        public boolean done;
        public String entityTypeName;	
        public cls_records[] records; 
    }
    public class cls_records {
        public String Id;	
        public String DataType;	
        public boolean IsCalculated;
        public boolean IsCompound;
        public boolean IsIndexed;
        public string RelationshipName;
        public string NamespacePrefix;
        public String Label;	
        public boolean IsNameField;
        public String QualifiedApiName;	
        public String DeveloperName;	
        public ReferenceTo ReferenceTo;
        public cls_EntityDefinition EntityDefinition;
    }
    public class ReferenceTo {
        public List<String> referenceTo;
    }
    public class cls_EntityDefinition {
        public String QualifiedApiName;	
        public string MasterLabel;
    }
    
    public static DM_FieldWrapper parse(String json){
        return (DM_FieldWrapper) System.JSON.deserialize(json, DM_FieldWrapper.class);
    }
    
    
}