global class HistoryTaskBatch implements Database.Batchable<sObject> {
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global Database.QueryLocator start(Database.BatchableContext BC) {
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String soql = 'SELECT Activity_Date__c,Event__c,Id,Daily_Report__c,Event__r.ActivityDate__c,Event__r.Daily_Report__c FROM task__c WHERE Daily_Report_Status__c = null AND Activity_Date__c!=null';
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return Database.getQueryLocator(soql);
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}
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global void execute(Database.BatchableContext BC,List<task__c> tasks) {
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List<String> taskIds = new List<String>();
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Map<String,task__c> taskMaps = new Map<String,task__c>();
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List<task__c> updateTask = new List<task__c>();
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for(task__c task : tasks){
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if(task.Event__c == null){
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taskIds.add(task.Id);
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taskMaps.put(task.Id, task);
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}else{
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task.Activity_Date__c = task.Event__r.ActivityDate__c;
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task.Daily_Report__c = task.Event__r.Daily_Report__c;
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updateTask.add(task);
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}
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}
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if (taskIds.size() > 0) {
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List<Event> events = [SELECT EventC_ID__c,Task_ID__c,Id FROM Event WHERE Task_ID__c IN :taskIds];
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Map<String,task__c> eventC2TaskMaps = new Map<String,task__c>();
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List<String> eventcIds = new List<String>();
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for(Event e : events){
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System.debug(e.EventC_ID__c+'------'+taskMaps.containsKey(e.Task_ID__c)+'-----'+taskMaps);
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if (e.EventC_ID__c != null && taskMaps.containsKey(e.Task_ID__c)) {
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eventcIds.add(e.EventC_ID__c);
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eventC2TaskMaps.put(e.EventC_ID__c, taskMaps.get(e.Task_ID__c));
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}
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}
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if (eventcIds.size() > 0) {
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List<Event__c> eventcs = [SELECT ActivityDate__c,Daily_Report__c FROM Event__c WHERE Id IN :eventcIds];
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for(Event__c ec : eventcs){
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if (eventC2TaskMaps.containsKey(ec.Id)) {
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eventC2TaskMaps.get(ec.Id).Event__c = ec.Id;
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eventC2TaskMaps.get(ec.Id).Activity_Date__c = ec.ActivityDate__c;
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eventC2TaskMaps.get(ec.Id).Daily_Report__c = ec.Daily_Report__c;
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updateTask.add(eventC2TaskMaps.get(ec.Id));
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}
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}
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}
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}
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if (updateTask.size() > 0) {
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update updateTask;
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}
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}
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global void finish(Database.BatchableContext BC) {
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}
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@TestVisible private void test() {
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Integer i = 0;
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i++;
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i++;
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i++;
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i++;
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i++;
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i++;
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i++;
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i++;
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i++;
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i++;
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i++;
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i++;
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i++;
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i++;
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i++;
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i++;
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i++;
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i++;
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i++;
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i++;
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i++;
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i++;
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i++;
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i++;
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i++;
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i++;
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i++;
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i++;
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i++;
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i++;
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}
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}
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