BaseJS.js

/*
 * This method will call the server side action and will execute callback method
 * it will also show error if generated any
 * @param method (required) - Server side methos name
 * @param callback (required) - Callback function to be executed on server response
 * @param params (optional) - parameter values to pass to server
 * @param setStorable(optional) - if true, action response will be stored in cache
 * */
window.callServer = function(component, method, callback, params, setStorable) {
    var action = component.get(method);
    
    //Set params if any
    if (params) {
        action.setParams(params);
    }
    
    if(setStorable){
        actions.setStorable();
    }
    
    action.setCallback(this,function(response) {
        var state = response.getState();
        if (state === "SUCCESS") { 
            // pass returned value to callback function
            callback.call(this,response.getReturnValue());   
        } else if (state === "ERROR") {
            // generic error handler
            var errors = response.getError();
            if (errors) {
                console.log("Errors", errors);
                showToast({
                    "title": "ERROR IN SERVER CALL",
                    "type": "error",
                    "message": errors
                });
                if (errors[0] && errors[0].message) {
                    throw new Error("Error" + errors[0].message);
                }
            } else {
                throw new Error("Unknown Error");
            }
        }
    });
    
    $A.enqueueAction(action);
}

/*
 * This function displays toast based on the parameter values passed to it
 * */
window.showToast = function(params) {
    var toastEvent = $A.get("e.force:showToast");
    if(toastEvent){
        if(!params){
            console.error("No parameter supplied to showToast function");
        } else{
            toastEvent.setParams(params);
            toastEvent.fire();
        }
    } else{
        alert(params.message);
    }
}