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meal_service.cpp
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meal_service.cpp
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#include <Arduino.h>
#include <TimeLib.h>
#include "config.h"
#include "constants.h"
#include "conveyor_motor.h"
#include "display_service.h"
#include "keypad_service.h"
#include "log_service.h"
#include "meal.h"
#include "route.h"
#include "route_service.h"
#include "meal_service.h"
#include "safety_service.h"
#include "state_manager.h"
#include "time_service.h"
#include "string.h"
using namespace std;
MealService::MealService(int mealId) {
int mealIndex = getMealIndexById(AppConfig::getInstance().meals, mealId);
if (mealIndex == -1) {
mealSequences = vector<MealSequence>();
return;
}
currentMealPtr = new Meal(AppConfig::getInstance().meals.at(mealIndex));
routeServicePtr = new RouteService(currentMealPtr->routeId);
mealSequences = loadMealSequences(getString(FILE_MEAL_SEQUENCES), currentMealPtr->id);
}
MealService::~MealService() {
delete currentMealPtr;
delete routeServicePtr;
}
int MealService::getScheduledMealId(vector<Meal> & meals) {
// Search meals scheduled within the last hour inclusively
int maxMoment = TimeService::getInstance().getLocalMoment();
int minMoment = maxMoment - 60;
if (minMoment < 0) {
minMoment = 0;
}
vector<Meal>::iterator iterator = find_if (meals.begin(), meals.end(), [&](const Meal & meal) {
return meal.startMoment > minMoment && meal.startMoment <= maxMoment && !isMealDistributed(meal.id);
});
if (iterator == meals.end()) {
return 0;
}
return iterator->id;
}
bool MealService::isMealDistributed(int mealId) {
vector<int> distributedMealIds = LogService::getInstance().getDistributedMealIds();
return find(distributedMealIds.begin(), distributedMealIds.end(), mealId) != distributedMealIds.end();
}
void MealService::startDistribution() {
startTime = TimeService::getInstance().getTime();
SafetyService::getInstance().listenForTrigger();
LogService::getInstance().log(MEAL_DISTRIBUTION_START, currentMealPtr->name);
routeServicePtr->start();
}
void MealService::distributeMeal() {
if (StateManager::getInstance().isSafetyMode()) {
return;
}
routeServicePtr->refreshLocation();
refreshCurrentSequence();
// All sequences have been done, complete distribution
if (isDistributionCompleted()) {
completeDistribution();
return;
}
// Make sure feeder continues moving in the right direction (eg. after safety stop)
if (StateManager::getInstance().getMovingDirection() == MOVING_IDLE) {
routeServicePtr->start();
}
// Serial.println(F("* distributeMeal | sequence"));
// delay(250);
if (currentSequencePtr) {
// Serial.println(F("* display sequence info"));
// delay(250);
displaySequenceInfo(currentSequencePtr->name, currentSequencePtr->feed1Flow, currentSequencePtr->feed2Flow);
// Serial.println(F("* start conveyor"));
// delay(250);
ConveyorSide feedingSide = ((StateManager::getInstance().getMovingDirection() == MOVING_FORWARD) ? CONVEYOR_SIDE_RIGHT : CONVEYOR_SIDE_LEFT);
if (currentSequencePtr->feed1Flow > 0) {
FrontConveyor::getInstance().start(feedingSide, currentSequencePtr->feed1Flow);
}
if (currentSequencePtr->feed2Flow > 0) {
BackConveyor::getInstance().start(feedingSide, currentSequencePtr->feed2Flow);
}
} else {
// Serial.println(F("* stop feeding"));
// delay(250);
// Make sure all feed conveyors are stopped
stopFeeding();
}
}
void MealService::stopFeeding() {
// Shutdown conveyors motor
FrontConveyor::getInstance().stop();
BackConveyor::getInstance().stop();
Serial.println(F("Arrêt des convoyeurs"));
}
void MealService::safetyStop() {
SafetyService::getInstance().displaySafetyStopWarning();
unsigned long currentTime = millis();
if (lastSafetyTrigger < currentTime - SAFETY_STOP_RESET_INTERVAL) {
// When last safety trigger was before reset interval, automatically resets unacknowledged counter
// This prevents a meal distribution complete unwanted stop after 3 unrelated occurences
unacknowledgedSafetyTriggers = 0;
}
lastSafetyTrigger = currentTime;
if (unacknowledgedSafetyTriggers < 3) {
// Wait 30 seconds for confirmation/escape, then disengage safety mode if no answer
ConfirmationResponse canContinue = KeypadService::getInstance().waitForConfirmation(SAFETY_STOP_RETRY_DELAY);
if (canContinue == CONFIRMATION_TIMEOUT) {
unacknowledgedSafetyTriggers += 1;
}
if (canContinue != CONFIRMATION_DENIED) {
StateManager::getInstance().disengageSafetyMode(false);
} else {
StateManager::getInstance().getCurrentController()->escape();
}
} else {
// Wait until someone acknowledge the safety stop and allows distribution to resume
bool canContinue = KeypadService::getInstance().waitForConfirmation();
if (canContinue) {
StateManager::getInstance().disengageSafetyMode(true);
} else {
StateManager::getInstance().getCurrentController()->escape();
}
}
}
bool MealService::isDistributionCompleted() {
// Distribution is completed when the last sequence is the last of the meal OR the route is completed (failsafe)
return currentSequencePtr == NULL && completedSequenceIndexes.size() > 1 && (completedSequenceIndexes.back() == (mealSequences.size() - 1) || routeServicePtr->isCompleted());
}
// PRIVATE
void MealService::refreshCurrentSequence() {
// Skip if active rail point hasn't changed
if (currentPointId == routeServicePtr->activeRailPointPtr->id) {
return;
}
lastPointId = currentPointId;
currentPointId = routeServicePtr->activeRailPointPtr->id;
if (currentSequencePtr != NULL) {
delete currentSequencePtr;
currentSequencePtr = NULL;
}
sequencesCount++;
// // All sequences have been done, complete distribution
// if (isDistributionCompleted()) {
// return;
// }
// Find corresponding meal sequence for active point
int sequenceIndex = MealSequence::getSequenceIndex(mealSequences, routeServicePtr->activeRailPointPtr);
if (sequenceIndex != -1 && find(completedSequenceIndexes.begin(), completedSequenceIndexes.end(), sequenceIndex) == completedSequenceIndexes.end()) {
completedSequenceIndexes.push_back(sequenceIndex);
currentSequencePtr = new MealSequence(mealSequences.at(sequenceIndex));
}
}
void MealService::completeDistribution() {
endTime = TimeService::getInstance().getTime();
// Make sure all feed conveyors are stopped
stopFeeding();
routeServicePtr->stop();
SafetyService::getInstance().stopListeningForTrigger();
char missingSequences[100] = "";
getMissingSequences(missingSequences);
LogService::getInstance().log(MEAL_DISTRIBUTION_END, currentMealPtr->name);
LogService::getInstance().logDistribution(currentMealPtr->id, startTime, endTime, missingSequences);
}
void MealService::getMissingSequences(char * missingSequences) {
for(int n = 0; n < mealSequences.size(); n++) {
if (find(completedSequenceIndexes.begin(), completedSequenceIndexes.end(), n) == completedSequenceIndexes.end()) {
// Meal sequence not found in completed sequences list
if (strlen(missingSequences) > 0) {
strcpy(missingSequences, ",");
}
sprintf(missingSequences, "%d", n);
}
}
}
void MealService::displayMealDistributionScreen() {
DisplayService::getInstance().clearScreen();
MachineState currentState = StateManager::getInstance().getState();
if (currentState == Automatic) {
const static char title[] PROGMEM = "DISTRIBUTION AUTO.";
DisplayService::getInstance().printTitle(getString(title));
} else {
const static char title[] PROGMEM = "DISTRIBUTION REPAS";
DisplayService::getInstance().printTitle(getString(title));
}
char mealLineText[20] = " Repas: ";
DisplayService::getInstance().print(strcat(mealLineText, currentMealPtr->name), 1);
}
void MealService::displayMealCompletionScreen() {
const static char title[] PROGMEM = "FIN DISTRIBUTION";
DisplayService::getInstance().clearScreen();
DisplayService::getInstance().printTitle(getString(title));
DisplayService::getInstance().addBorder();
char mealLineText[20] = "Repas: ";
DisplayService::getInstance().printCenter(strcat(mealLineText, currentMealPtr->name), 2);
KeypadService::getInstance().waitForActivity(3000);
}
void MealService::displaySequenceInfo(const char * name, int feed1Flow, int feed2Flow) {
char nameLineText[20] = "Groupe: ";
DisplayService::getInstance().print(strcat(nameLineText, name), 2);
char feedLineText[20];
sprintf(feedLineText, " Alim.: %d | %d", feed1Flow, feed2Flow);
DisplayService::getInstance().print(feedLineText, 3);
}