Modifications to lightning component

force-app/main/default/lwc/opportunityCustomClone/opportunityCustomClone.js

@@ -1,3 +1,122 @@
-import { LightningElement } from 'lwc';
+import { LightningElement, api, wire, track } from 'lwc';
+import { getObjectInfo } from 'lightning/uiObjectInfoApi';
+import { getRecord } from 'lightning/uiRecordApi';
+import OPPORTUNITY_OBJECT from '@salesforce/schema/Opportunity';
+import ObtainCloneOpportunityFields from '@salesforce/apex/OpportunityCloneService.ObtainCloneOpportunityFields';
+import ObtainChildRelationships from '@salesforce/apex/OpportunityCloneService.ObtainOpporunityChildRelationships';
+import CloneOpportunityWithChildren from '@salesforce/apex/OpportunityCloneService.CloneOpportunityWithChildren';
 
-export default class OpportunityCustomClone extends LightningElement {}
+export default class OpportunityCustomClone extends LightningElement {
+    @api recordId;
+
+    formObjectApiName;
+    displayedFields;
+    requiredFieldMap;
+    opportunityFields;
+    childRelationshipList;
+    recordInfo;
+    childRelationshipDisplayList = [];
+    @track childRelationshipSelectionList = [];
+
+    @wire(getRecord,{recordId:'$recordId',layoutTypes:['Full'],modes:['Edit']})
+    processRecordInfo({err, data}) {
+        if(err) {
+            window.console.error('There was a problem obtaining Opportunity Record Data');
+            window.console.error(err);
+        }
+
+        if(data) {
+            //window.console.log('Original Data: %s',JSON.stringify(data,null,"\t"));
+            this.recordInfo = data.fields;
+        }
+    }
+
+    @wire(ObtainChildRelationships)
+    processChildRelationships({error, data}) {
+        if(error) {
+            window.console.log('There is an error obtaining Cild Relationships');
+            window.console.error(error);
+        }
+
+        if(data) {
+            var childRelationshipPicklistArray = [];
+            Object.keys(data).forEach(childItem => {
+                childRelationshipPicklistArray.push({'label':data[childItem],'value':childItem});
+            })
+            this.childRelationshipDisplayList = childRelationshipPicklistArray;
+        }
+    }
+
+    @wire(ObtainCloneOpportunityFields,{fieldsetName:'ClonedFields'})
+    processFieldsetInfo({error, data}) {
+        if(error){
+            window.console.error('There is an error obtaining ClonedFields fieldset');
+            window.console.error(error);
+        }
+        if(data){
+            this.displayedFields = Object.keys(data);
+            this.requiredFieldMap = data;
+        }
+    }
+    
+    @wire(getObjectInfo,{ objectApiName: OPPORTUNITY_OBJECT })
+    processOpportunityObjectInfo({error, data}) {
+        if(error){
+            window.console.error('There is an error obtaining fields');
+        }
+        if(data){
+            this.formObjectApiName = OPPORTUNITY_OBJECT.objectApiName;
+            this.opportunityFields = data.fields;
+        }
+    }
+    /**
+     * @description                 Handler that executes on selection of child Relationship
+     */
+    handleChildRelationshipSelection(evt){
+        //find the item that was selected from the distplay list
+        var selectedItem = evt.target.value;
+        let fullSelectedList = this.childRelationshipSelectionList;
+        let displayList = this.childRelationshipDisplayList;
+        let chosenObj = displayList.find( element => element.value === selectedItem);
+        let alreadySelected = fullSelectedList.findIndex(element => element.value === selectedItem);
+        window.console.log('Already Selected Value: %s',alreadySelected);
+        if(chosenObj && alreadySelected < 0){
+            fullSelectedList.push(chosenObj);
+        }
+        this.childRelationshipSelectionList = fullSelectedList;
+        window.console.log('Full Selected List: %s',JSON.stringify(this.childRelationshipSelectionList,null,"\t"));
+    }
+
+    handleChildSelectionRemoval(evt){
+        window.console.log('Item Clicked: %s',evt.detail.index);
+        let fullSelectedList = this.childRelationshipSelectionList;
+        let removedItem = fullSelectedList.splice(evt.detail.index,1);
+        this.childRelationshipSelectionList = fullSelectedList;
+    }
+    /**
+     * @description                 This will override the submission
+     * @param {*} evt 
+     */
+    handleSubmit(evt){
+        evt.preventDefault();
+        var fields = evt.detail.fields;
+        window.console.log('Fields Submitted: %s',JSON.stringify(fields,null,"\t"));
+    }
+
+    get formFields(){
+        var formFieldsToReturn = [];
+        var fieldRequirementMap = this.requiredFieldMap;
+        if(this.opportunityFields && this.displayedFields && this.recordInfo) {
+            window.console.log('fieldInfo %s: ', JSON.stringify(this.recordInfo,null,"\t"));
+            this.displayedFields.forEach(fieldName => { 
+                let fieldItem = fieldRequirementMap[fieldName];
+                let fieldDisplay = JSON.parse(JSON.stringify(this.opportunityFields[fieldName]));
+                if(!fieldItem){
+                    fieldDisplay.value = this.recordInfo[fieldName].value;
+                }
+                formFieldsToReturn.push(fieldDisplay);
+            });
+        }
+        return formFieldsToReturn;
+    }
+}