Sample Recipe Util

RecipeUtil.cls

public with sharing class RecipeUtil {

	//Variables to store Trigger.oldMap & Trigger.newMap
    List < Recipe__c > newRecipesList;
    Map<ID, Recipe__c> newRecipesMap;
    Map<ID, Recipe__c> oldRecipesMap;
	

	//Constructor that takes in the map of old recipe records and new/updated recipe records and assigns them to class variables
	public RecipeUtil(List < Recipe__c > newRecipes,  Map<ID, Recipe__c> newTriggerRecipes, Map<ID, Recipe__c> oldTriggerRecipes) {
        this.newRecipesList = newRecipes;
        this.oldRecipesMap = oldTriggerRecipes;
		this.newRecipesMap = newTriggerRecipes;
	}

    //Handler Methods
    public void onBeforeInsert() {

        // Check for key values
        for (Recipe__c r: newRecipesList) {
            // TODO: what if it's edited to no longer be a draft?
            if (String.isBlank(r.Name) || r.Active_Time__c==null || String.isBlank(r.Description__c) || String.isBlank(r.Active_Time_Units__c) || r.Servings__c==null) {
                r.Draft__c = true; //Before Trigger - no DML Needed
            }
            // get the difficulty
            Integer complexity = HelperFunctions.rateRecipeComplexity(r);
            if (complexity==3) {
                r.Complexity__c = 'Difficult';
            } else if (complexity==2) {
                r.Complexity__c = 'Moderate';
            } else {
                r.Complexity__c = 'Simple';
            }
        }

    }


    public void onAfterInsert() {

    }

    public void onBeforeUpdate() {
        // Check for key values
        for (Recipe__c r: this.newRecipesMap.values()) {
            if (String.isBlank(r.Name) || r.Active_Time__c==null || String.isBlank(r.Description__c) || String.isBlank(r.Active_Time_Units__c) || r.Servings__c==null) {
                r.Draft__c = true; //Before Trigger - no DML Needed
            }
            // get the difficulty
            Integer complexity = HelperFunctions.rateRecipeComplexity(r);
            System.debug('complexity: '+complexity);
            if (complexity==3) {
                r.Complexity__c = 'Difficult';
            } else if (complexity==2) {
                r.Complexity__c = 'Moderate';
            } else {
                r.Complexity__c = 'Simple';
            }
        }
    }

    public void onAfterUpdate() {

    }

    public void onBeforeDelete() {

    }

    public void onAfterDelete() {

    }

    public void onUndelete() {

    }





}