/// <inheritdoc/>
public override List <ResourceRequest> GetResourcesNeededForActivity()
{
if (people is null | food is null)
{
return(null);
}
List <LabourType> peopleList = people.Items.Where(a => IncludeHiredLabour || a.Hired == false).ToList();
peopleList.Select(a => { a.FeedToTargetIntake = 0; return(a); }).ToList();
// determine AEs to be fed
double aE = peopleList.Sum(a => a.TotalAdultEquivalents);
if (aE <= 0)
{
return(null);
}
int daysInMonth = DateTime.DaysInMonth(clock.Today.Year, clock.Today.Month);
// determine feed limits (max kg per AE per day * AEs * days)
double intakeLimit = DailyIntakeLimit * aE * daysInMonth;
// remove previous consumption
double otherIntake = this.DailyIntakeOtherSources * aE * daysInMonth;
otherIntake += peopleList.Sum(a => a.GetAmountConsumed());
List <LabourActivityFeedTarget> labourActivityFeedTargets = this.FindAllChildren <LabourActivityFeedTarget>().ToList();
// determine targets
foreach (LabourActivityFeedTarget target in labourActivityFeedTargets)
{
// calculate target
target.Target = target.TargetValue * aE * daysInMonth;
// calculate target maximum
target.TargetMaximum = target.TargetMaximumValue * aE * daysInMonth;
// set initial level based on off store inputs
target.CurrentAchieved = target.OtherSourcesValue * aE * daysInMonth;
// calculate current level from previous intake this month (LabourActivityFeed)
target.CurrentAchieved += people.GetDietaryValue(target.Metric, IncludeHiredLabour, false); // * aE; // * daysInMonth;
// add sources outside of this activity to peoples' diets
if (target.OtherSourcesValue > 0)
{
foreach (var person in peopleList)
{
LabourDietComponent outsideEat = new LabourDietComponent();
// TODO: might need to add consumed here
outsideEat.AmountConsumed = this.DailyIntakeOtherSources * person.TotalAdultEquivalents * daysInMonth;
outsideEat.AddOtherSource(target.Metric, target.OtherSourcesValue * person.TotalAdultEquivalents * daysInMonth);
// track this consumption by people here.
person.AddIntake(outsideEat);
person.FeedToTargetIntake += outsideEat.AmountConsumed;
}
}
}
// get max months before spoiling of all food stored (will be zero for non perishable food)
int maxFoodAge = food.FindAllChildren <HumanFoodStoreType>().Max(a => a.Pools.Select(b => a.UseByAge - b.Age).DefaultIfEmpty(0).Max());
// create list of all food parcels
List <HumanFoodParcel> foodParcels = new List <HumanFoodParcel>();
foreach (HumanFoodStoreType foodStore in food.FindAllChildren <HumanFoodStoreType>().ToList())
{
foreach (HumanFoodStorePool pool in foodStore.Pools.Where(a => a.Amount > 0))
{
foodParcels.Add(new HumanFoodParcel()
{
FoodStore = foodStore,
Pool = pool,
Expires = ((foodStore.UseByAge == 0) ? maxFoodAge + 1: foodStore.UseByAge - pool.Age)
});
}
}
foodParcels = foodParcels.OrderBy(a => a.Expires).ToList();
// if a market exists add the available market produce to the list below that ordered above.
// order market food by price ascending
// this will include market available food in the decisions.
// will need to purchase this food before taking it if cost associated.
// We can check if the parent of the human food store used is a market and charge accordingly.
// for each market
List <HumanFoodParcel> marketFoodParcels = new List <HumanFoodParcel>();
ResourcesHolder resources = Market?.Resources;
if (resources != null)
{
HumanFoodStore food = resources.FindResourceGroup <HumanFoodStore>();
if (food != null)
{
foreach (HumanFoodStoreType foodStore in food.FindAllChildren <HumanFoodStoreType>())
{
foreach (HumanFoodStorePool pool in foodStore.Pools.Where(a => a.Amount > 0))
{
marketFoodParcels.Add(new HumanFoodParcel()
{
FoodStore = foodStore,
Pool = pool,
Expires = ((foodStore.UseByAge == 0) ? maxFoodAge + 1 : foodStore.UseByAge - pool.Age)
});
}
}
}
}
foodParcels.AddRange(marketFoodParcels.OrderBy(a => a.FoodStore.Price(PurchaseOrSalePricingStyleType.Purchase).PricePerPacket));
double fundsAvailable = double.PositiveInfinity;
if (bankAccount != null)
{
fundsAvailable = bankAccount.FundsAvailable;
}
int parcelIndex = 0;
double metricneeded = 0;
double intake = otherIntake;
// start eating food from list from that about to expire first
// food from household can be eaten up to target maximum
// food from market can only be eaten up to target
while (parcelIndex < foodParcels.Count)
{
foodParcels[parcelIndex].Proportion = 0;
var isHousehold = foodParcels[parcelIndex].FoodStore.CLEMParentName == this.CLEMParentName;
if (intake < intakeLimit & (labourActivityFeedTargets.Where(a => ((isHousehold)? !a.TargetMaximumAchieved: !a.TargetAchieved)).Count() > 0 | foodParcels[parcelIndex].Expires == 0))
{
// still able to eat and target not met or food about to expire this timestep
// reduce by amout that can be eaten
double propCanBeEaten = Math.Min(1, (intakeLimit - intake) / (foodParcels[parcelIndex].FoodStore.EdibleProportion * foodParcels[parcelIndex].Pool.Amount));
// reduce to target limits
double propToTarget = 1;
if (foodParcels[parcelIndex].Expires != 0)
{
// if the food is not going to spoil
// then adjust what can be eaten up to target otherwise allow over target consumption to avoid waste
LabourActivityFeedTarget targetUnfilled = labourActivityFeedTargets.Where(a => ((isHousehold) ? !a.TargetMaximumAchieved : !a.TargetAchieved)).FirstOrDefault();
if (targetUnfilled != null)
{
// calculate reduction to metric target
metricneeded = Math.Max(0, (isHousehold ? targetUnfilled.TargetMaximum : targetUnfilled.Target) - targetUnfilled.CurrentAchieved);
double amountneeded = metricneeded / foodParcels[parcelIndex].FoodStore.ConversionFactor(targetUnfilled.Metric);
propToTarget = Math.Min(1, amountneeded / (foodParcels[parcelIndex].FoodStore.EdibleProportion * foodParcels[parcelIndex].Pool.Amount));
}
}
foodParcels[parcelIndex].Proportion = Math.Min(propCanBeEaten, propToTarget);
// work out if there will be a cost limitation, only if a price structure exists for the resource
// no charge for household consumption
double propToPrice = 1;
if (!isHousehold && foodParcels[parcelIndex].FoodStore.PricingExists(PurchaseOrSalePricingStyleType.Purchase))
{
ResourcePricing price = foodParcels[parcelIndex].FoodStore.Price(PurchaseOrSalePricingStyleType.Purchase);
double cost = (foodParcels[parcelIndex].Pool.Amount * foodParcels[parcelIndex].Proportion) / price.PacketSize * price.PricePerPacket;
// TODO: sell cattle based on selling groups till run out of cattle or meet shortfall
// adjust fundsAvailable with new money
// if cost > 0 and cost > funds available
if (cost > 0)
{
propToPrice = Math.Min(1, fundsAvailable / cost);
// remove cost from running check tally
fundsAvailable = Math.Max(0, fundsAvailable - (cost * propToPrice));
// real finance transactions will happen in the do activity as stuff is allocated
// there should not be shortfall as all the checks and reductions have happened here
}
}
foodParcels[parcelIndex].Proportion *= propToPrice;
// update intake
double newIntake = (foodParcels[parcelIndex].FoodStore.EdibleProportion * foodParcels[parcelIndex].Pool.Amount * foodParcels[parcelIndex].Proportion);
intake += newIntake;
// update metrics
foreach (LabourActivityFeedTarget target in labourActivityFeedTargets)
{
target.CurrentAchieved += newIntake * foodParcels[parcelIndex].FoodStore.ConversionFactor(target.Metric);
}
}
else if (intake >= intakeLimit && labourActivityFeedTargets.Where(a => ((isHousehold) ? !a.TargetMaximumAchieved : !a.TargetAchieved)).Count() > 1)
{
// full but could still reach target with some substitution
// but can substitute to remove a previous target
// does the current parcel have better target values than any previous non age 0 pool of a different food type
}
else
{
break;
}
parcelIndex++;
}
// fill resource requests
List <ResourceRequest> requests = new List <ResourceRequest>();
foreach (var item in foodParcels.GroupBy(a => a.FoodStore))
{
double amount = item.Sum(a => a.Pool.Amount * a.Proportion);
if (amount > 0)
{
double financeLimit = 1;
// if obtained from the market make financial transaction before taking
ResourcePricing price = item.Key.Price(PurchaseOrSalePricingStyleType.Sale);
bool marketIsSource = item.Key.Parent.Parent.Parent == Market;
if (bankAccount != null && marketIsSource && price.PricePerPacket > 0)
{
// finance transaction to buy food from market
ResourceRequest marketRequest = new ResourceRequest
{
ActivityModel = this,
Required = amount / price.PacketSize * price.PricePerPacket,
AllowTransmutation = false,
Category = $"{TransactionCategory}.PurchaseFood",
MarketTransactionMultiplier = 1,
RelatesToResource = item.Key.NameWithParent
};
bankAccount.Remove(marketRequest);
}
// is this a market
requests.Add(new ResourceRequest()
{
Resource = item.Key,
ResourceType = typeof(HumanFoodStore),
AllowTransmutation = false,
Required = amount * financeLimit,
ResourceTypeName = item.Key.NameWithParent,
ActivityModel = this,
Category = $"{TransactionCategory}{(marketIsSource?".FromMarket":".FromHousehold")}"
});
}
}
// if still hungry and funds available, try buy food in excess of what stores (private or market) offered using transmutation if present.
// This will force the market or private sources to purchase more food to meet demand if transmutation available.
// if no market is present it will look to transmutating from its own stores if possible.
// this means that other than a purchase from market (above) this activity doesn't need to worry about financial tranactions.
int testType = 0;
// test is limited to 1 for now so only to metric target NOT intake limit as we use maximum and target values now
while (testType < 1 && intake < intakeLimit && (labourActivityFeedTargets.Where(a => !a.TargetAchieved).Any()) && fundsAvailable > 0)
{
// don't worry about money anymore. The over request will be handled by the transmutation.
// move through specified purchase list
// 1. to assign based on energy
// 2. if still need food assign based on intake still needed
metricneeded = 0;
LabourActivityFeedTarget targetUnfilled = labourActivityFeedTargets.Where(a => !a.TargetAchieved).FirstOrDefault();
if (targetUnfilled != null)
{
metricneeded = Math.Max(0, (targetUnfilled.Target - targetUnfilled.CurrentAchieved));
double amountToFull = intakeLimit - intake;
foreach (LabourActivityFeedTargetPurchase purchase in this.FindAllChildren <LabourActivityFeedTargetPurchase>())
{
HumanFoodStoreType foodtype = purchase.FoodStore;
if (purchase.ProportionToPurchase > 0 && foodtype != null && (foodtype.TransmutationDefined & intake < intakeLimit))
{
double amountEaten = 0;
if (testType == 0)
{
// metric target based on purchase proportion
amountEaten = metricneeded / foodtype.ConversionFactor(targetUnfilled.Metric) * purchase.ProportionToPurchase;
}
else
{
// amount to satisfy limited by proportion of purchases
amountEaten = amountToFull * purchase.ProportionToPurchase;
}
if (intake + amountEaten > intakeLimit)
{
amountEaten = intakeLimit - intake;
}
if (amountEaten > 0)
{
targetUnfilled.CurrentAchieved += amountEaten * foodtype.ConversionFactor(targetUnfilled.Metric);
double amountPurchased = amountEaten / foodtype.EdibleProportion;
// update intake.. needed is the amount edible, not the amount purchased.
intake += amountEaten;
// add financial transactions to purchase from market
// if obtained from the market make financial transaction before taking
ResourcePricing price = foodtype.Price(PurchaseOrSalePricingStyleType.Sale);
if (bankAccount != null)
{
if (price.PricePerPacket > 0)
{
ResourceRequest marketRequest = new ResourceRequest
{
ActivityModel = this,
Required = amountPurchased / price.PacketSize * price.PricePerPacket,
AllowTransmutation = false,
Category = "Import",
MarketTransactionMultiplier = 1,
RelatesToResource = foodtype.NameWithParent
};
bankAccount.Remove(marketRequest);
}
else
{
string warn = $"No price set [{price.PricePerPacket}] for [r={foodtype.Name}] at time of transaction for [a={this.Name}]{Environment.NewLine}No financial transactions will occur.{Environment.NewLine}Ensure price is set or resource pricing file contains entries before this transaction or start of simulation.";
Warnings.CheckAndWrite(warn, Summary, this, MessageType.Warning);
}
}
// find in requests or create a new one
ResourceRequest foodRequestFound = requests.Find(a => a.Resource == foodtype);
if (foodRequestFound is null)
{
requests.Add(new ResourceRequest()
{
Resource = foodtype,
ResourceType = typeof(HumanFoodStore),
AllowTransmutation = true,
Required = amountPurchased,
ResourceTypeName = purchase.FoodStoreName,
ActivityModel = this,
Category = $"{TransactionCategory}.FromImports"
});
}
else
{
foodRequestFound.Required += amountPurchased;
foodRequestFound.AllowTransmutation = true;
}
}
}
}
testType++;
}
}
return(requests);
}
/// <summary>
/// Method to determine resources required for this activity in the current month
/// </summary>
/// <returns>List of required resource requests</returns>
public override List <ResourceRequest> GetResourcesNeededForActivity()
{
if (people is null | food is null)
{
return(null);
}
List <LabourType> peopleList = people.Items.Where(a => IncludeHiredLabour || a.Hired == false).ToList();
peopleList.Select(a => a.FeedToTargetIntake == 0);
// determine AEs to be fed
double aE = peopleList.Sum(a => a.AdultEquivalent);
if (aE <= 0)
{
return(null);
}
int daysInMonth = DateTime.DaysInMonth(Clock.Today.Year, Clock.Today.Month);
// determine feed limits (max kg per AE per day * AEs * days)
double intakeLimit = DailyIntakeLimit * aE * daysInMonth;
// remove previous consumption
double otherIntake = this.DailyIntakeOtherSources * aE * daysInMonth;
otherIntake += peopleList.Sum(a => a.GetAmountConsumed());
List <LabourActivityFeedTarget> labourActivityFeedTargets = this.FindAllChildren <LabourActivityFeedTarget>().Cast <LabourActivityFeedTarget>().ToList();
// determine targets
foreach (LabourActivityFeedTarget target in labourActivityFeedTargets)
{
// calculate target
target.Target = target.TargetValue * aE * daysInMonth;
// set initial level based on off store inputs
target.CurrentAchieved = target.OtherSourcesValue * aE * daysInMonth;
// calculate current level from previous intake this month (LabourActivityFeed)
target.CurrentAchieved += people.GetDietaryValue(target.Metric, IncludeHiredLabour, true) * aE * daysInMonth;
// add sources outside of this activity to peoples' diets
if (target.OtherSourcesValue > 0)
{
foreach (var person in peopleList)
{
LabourDietComponent outsideEat = new LabourDietComponent();
outsideEat.AddOtherSource(target.Metric, target.OtherSourcesValue * person.AdultEquivalent * daysInMonth);
person.AddIntake(outsideEat);
}
}
}
// get max months before spoiling of all food stored (will be zero for non perishable food)
int maxFoodAge = food.FindAllChildren <HumanFoodStoreType>().Cast <HumanFoodStoreType>().Max(a => a.Pools.Select(b => a.UseByAge - b.Age).DefaultIfEmpty(0).Max());
// create list of all food parcels
List <HumanFoodParcel> foodParcels = new List <HumanFoodParcel>();
foreach (HumanFoodStoreType foodStore in food.FindAllChildren <HumanFoodStoreType>().Cast <HumanFoodStoreType>().ToList())
{
foreach (HumanFoodStorePool pool in foodStore.Pools)
{
foodParcels.Add(new HumanFoodParcel()
{
FoodStore = foodStore,
Pool = pool,
Expires = ((foodStore.UseByAge == 0) ? maxFoodAge + 1: foodStore.UseByAge - pool.Age)
});
}
}
foodParcels = foodParcels.OrderBy(a => a.Expires).ToList();
// if a market exists add the available market produce to the list below that ordered above.
// order market food by price ascending
// this will include market available food in the decisions.
// will need to purchase this food before taking it if cost associated.
// We can check if the parent of the human food store used is a market and charge accordingly.
// for each market
List <HumanFoodParcel> marketFoodParcels = new List <HumanFoodParcel>();
ResourcesHolder resources = Resources.FoundMarket.Resources;
if (resources != null)
{
HumanFoodStore food = resources.HumanFoodStore();
if (food != null)
{
foreach (HumanFoodStoreType foodStore in food.FindAllChildren <HumanFoodStoreType>())
{
foreach (HumanFoodStorePool pool in foodStore.Pools)
{
marketFoodParcels.Add(new HumanFoodParcel()
{
FoodStore = foodStore,
Pool = pool,
Expires = ((foodStore.UseByAge == 0) ? maxFoodAge + 1 : foodStore.UseByAge - pool.Age)
});
}
}
}
}
foodParcels.AddRange(marketFoodParcels.OrderBy(a => a.FoodStore.Price(PurchaseOrSalePricingStyleType.Purchase).PricePerPacket));
double fundsAvailable = double.PositiveInfinity;
if (bankAccount != null)
{
fundsAvailable = bankAccount.FundsAvailable;
}
int parcelIndex = 0;
double intake = otherIntake;
// start eating food from list from that about to expire first
while (parcelIndex < foodParcels.Count)
{
foodParcels[parcelIndex].Proportion = 0;
if (intake < intakeLimit & (labourActivityFeedTargets.Where(a => !a.TargetMet).Count() > 0 | foodParcels[parcelIndex].Expires == 0))
{
// still able to eat and target not met or food about to expire this timestep
// reduce by amout that can be eaten
double propCanBeEaten = Math.Min(1, (intakeLimit - intake) / (foodParcels[parcelIndex].FoodStore.EdibleProportion * foodParcels[parcelIndex].Pool.Amount));
// reduce to target limits
double propToTarget = 1;
if (foodParcels[parcelIndex].Expires != 0)
{
// if the food is not going to spoil
// then adjust what can be eaten up to target otherwise allow over target consumption to avoid waste
LabourActivityFeedTarget targetUnfilled = labourActivityFeedTargets.Where(a => !a.TargetMet).FirstOrDefault();
if (targetUnfilled != null)
{
// calculate reduction to metric target
double metricneeded = Math.Max(0, targetUnfilled.Target - targetUnfilled.CurrentAchieved);
double amountneeded = metricneeded / foodParcels[parcelIndex].FoodStore.ConversionFactor(targetUnfilled.Metric);
propToTarget = Math.Min(1, amountneeded / (foodParcels[parcelIndex].FoodStore.EdibleProportion * foodParcels[parcelIndex].Pool.Amount));
}
}
foodParcels[parcelIndex].Proportion = Math.Min(propCanBeEaten, propToTarget);
// work out if there will be a cost limitation, only if a price structure exists for the resource
double propToPrice = 1;
if (foodParcels[parcelIndex].FoodStore.PricingExists(PurchaseOrSalePricingStyleType.Purchase))
{
ResourcePricing price = foodParcels[parcelIndex].FoodStore.Price(PurchaseOrSalePricingStyleType.Purchase);
double cost = (foodParcels[parcelIndex].Pool.Amount * foodParcels[parcelIndex].Proportion) / price.PacketSize * price.PricePerPacket;
if (cost > 0)
{
propToPrice = Math.Min(1, fundsAvailable / cost);
// remove cost from running check tally
fundsAvailable = Math.Max(0, fundsAvailable - (cost * propToPrice));
// real finance transactions will happen in the do activity as stuff is allocated
// there should not be shortfall as all the checks and reductions have happened here
}
}
foodParcels[parcelIndex].Proportion *= propToPrice;
// update intake
double newIntake = (foodParcels[parcelIndex].FoodStore.EdibleProportion * foodParcels[parcelIndex].Pool.Amount * foodParcels[parcelIndex].Proportion);
intake += newIntake;
// update metrics
foreach (LabourActivityFeedTarget target in labourActivityFeedTargets)
{
target.CurrentAchieved += newIntake * foodParcels[parcelIndex].FoodStore.ConversionFactor(target.Metric);
}
}
else if (intake >= intakeLimit && labourActivityFeedTargets.Where(a => !a.TargetMet).Count() > 1)
{
// full but could still reach target with some substitution
// but can substitute to remove a previous target
// does the current parcel have better target values than any previous non age 0 pool of a different food type
}
else
{
break;
}
parcelIndex++;
}
// fill resource requests
List <ResourceRequest> requests = new List <ResourceRequest>();
foreach (var item in foodParcels.GroupBy(a => a.FoodStore))
{
double amount = item.Sum(a => a.Pool.Amount * a.Proportion);
if (amount > 0)
{
double financeLimit = 1;
// if obtained from the market make financial transaction before taking
ResourcePricing price = item.Key.Price(PurchaseOrSalePricingStyleType.Sale);
if (bankAccount != null && item.Key.Parent.Parent.Parent == Market && price.PricePerPacket > 0)
{
// if shortfall reduce purchase
ResourceRequest marketRequest = new ResourceRequest
{
ActivityModel = this,
Required = amount / price.PacketSize * price.PricePerPacket,
AllowTransmutation = false,
Category = "Food purchase",
MarketTransactionMultiplier = 1
};
bankAccount.Remove(marketRequest);
}
requests.Add(new ResourceRequest()
{
Resource = item.Key,
ResourceType = typeof(HumanFoodStore),
AllowTransmutation = false,
Required = amount * financeLimit,
ResourceTypeName = item.Key.Name,
ActivityModel = this,
Category = "Consumption"
});
}
}
// if still hungry and funds available, try buy food in excess of what stores (private or market) offered using transmutation if present.
// This will force the market or private sources to purchase more food to meet demand if transmutation available.
// if no market is present it will look to transmutating from its own stores if possible.
// this means that other than a purchase from market (above) this activity doesn't need to worry about financial tranactions.
if (intake < intakeLimit && (labourActivityFeedTargets.Where(a => !a.TargetMet).Count() > 0) && fundsAvailable > 0)
{
ResourcesHolder resourcesHolder = Resources;
// if market is present point to market to find the resource
if (Market != null)
{
resourcesHolder = Market.FindChild <ResourcesHolder>();
}
// don't worry about money anymore. The over request will be handled by the transmutation.
// move through specified purchase list
foreach (LabourActivityFeedTargetPurchase purchase in this.FindAllChildren <LabourActivityFeedTargetPurchase>().Cast <LabourActivityFeedTargetPurchase>().ToList())
{
HumanFoodStoreType foodtype = resourcesHolder.GetResourceItem(this, purchase.FoodStoreName, OnMissingResourceActionTypes.Ignore, OnMissingResourceActionTypes.Ignore) as HumanFoodStoreType;
if (foodtype != null && (foodtype.TransmutationDefined & intake < intakeLimit))
{
LabourActivityFeedTarget targetUnfilled = labourActivityFeedTargets.Where(a => !a.TargetMet).FirstOrDefault();
if (targetUnfilled != null)
{
// calculate reduction to metric target
double metricneeded = Math.Max(0, (targetUnfilled.Target - targetUnfilled.CurrentAchieved));
double amountneeded = metricneeded / foodtype.ConversionFactor(targetUnfilled.Metric);
if (intake + amountneeded > intakeLimit)
{
amountneeded = intakeLimit - intake;
}
double amountfood = amountneeded / foodtype.EdibleProportion;
// update intake
intake += amountfood;
// find in requests or create a new one
ResourceRequest foodRequestFound = requests.Find(a => a.Resource == foodtype) as ResourceRequest;
if (foodRequestFound is null)
{
requests.Add(new ResourceRequest()
{
Resource = foodtype,
ResourceType = typeof(HumanFoodStore),
AllowTransmutation = true,
Required = amountfood,
ResourceTypeName = purchase.FoodStoreName.Split('.')[1],
ActivityModel = this,
Category = "Consumption"
});
}
else
{
foodRequestFound.Required += amountneeded;
foodRequestFound.AllowTransmutation = true;
}
}
}
}
// NOTE: proportions of purchased food are not modified if the sum does not add up to 1 or some of the food types are not available.
}
return(requests);
}
/// <summary>
/// Method to determine resources required for this activity in the current month
/// </summary>
/// <returns>List of required resource requests</returns>
public override List <ResourceRequest> GetResourcesNeededForActivity()
{
if (people is null | food is null)
{
return(null);
}
List <LabourType> peopleList = people.Items.Where(a => IncludeHiredLabour || a.Hired == true).ToList();
peopleList.Select(a => a.FeedToTargetIntake == 0);
List <ResourceRequest> requests = new List <ResourceRequest>();
// determine AEs to be fed
double aE = peopleList.Sum(a => a.AdultEquivalent);
// determine feed limits (max kg per AE per day * AEs * days)
double intakeLimit = DailyIntakeLimit * aE * 30.4;
// remove previous consumption
intakeLimit -= this.DailyIntakeOtherSources * aE * 30.4;
intakeLimit -= peopleList.Sum(a => a.GetAmountConsumed());
List <LabourActivityFeedTarget> labourActivityFeedTargets = this.FindAllChildren <LabourActivityFeedTarget>().Cast <LabourActivityFeedTarget>().ToList();
int feedTargetIndex = 0;
// determine targets
foreach (LabourActivityFeedTarget target in labourActivityFeedTargets)
{
// calculate target
target.Target = target.TargetValue * aE * 30.4;
// set initial level based on off store inputs
target.CurrentAchieved = target.OtherSourcesValue * aE * 30.4;
// calculate current level from previous intake this month (LabourActivityFeed)
target.CurrentAchieved += people.GetDietaryValue(target.Metric, IncludeHiredLabour, true) * aE * 30.4;
}
// order food to achieve best returns for first criteria conversion factor decreasing
List <HumanFoodStoreType> foodStoreTypes = food.FindAllChildren <HumanFoodStoreType>().Cast <HumanFoodStoreType>().OrderBy(a => a.ConversionFactor(labourActivityFeedTargets[feedTargetIndex].Metric)).ToList();
// check availability to take food based on order in simulation tree
while (foodStoreTypes.Count() > 0 & intakeLimit > 0)
{
// get next food store type
HumanFoodStoreType foodtype = foodStoreTypes[0];
// get amount people can still eat based on limits and previous consumption
double amountNeededRaw = 0;
foreach (LabourType labourType in peopleList)
{
double indLimit = (labourType.AdultEquivalent * DailyIntakeLimit * 30.4);
double alreadyEatenThis = labourType.GetAmountConsumed(foodtype.Name);
double alreadyEaten = labourType.GetAmountConsumed() + labourType.FeedToTargetIntake;
double canStillEat = Math.Max(0, indLimit - alreadyEaten);
double amountOfThisFood = canStillEat;
amountNeededRaw += amountOfThisFood / foodtype.EdibleProportion;
}
// update targets based on amount available (will update excess if transmutated later)
double amountNeededEdible = Math.Min(amountNeededRaw, foodtype.Amount) * foodtype.EdibleProportion;
foreach (LabourActivityFeedTarget target in labourActivityFeedTargets)
{
target.CurrentAchieved += amountNeededEdible * foodtype.ConversionFactor(target.Metric);
}
if (amountNeededRaw > 0)
{
// create request
requests.Add(new ResourceRequest()
{
AllowTransmutation = false,
Required = amountNeededRaw,
Available = foodtype.Amount,
ResourceType = typeof(HumanFoodStore),
ResourceTypeName = foodtype.Name,
ActivityModel = this,
Category = "Consumption"
}
);
}
foodStoreTypes.RemoveAt(0);
// check if target has been met (allows slight overrun)
if (labourActivityFeedTargets[feedTargetIndex].CurrentAchieved >= labourActivityFeedTargets[feedTargetIndex].Target)
{
feedTargetIndex++;
if (feedTargetIndex > labourActivityFeedTargets.Count())
{
// all feed targets have been met. Preserve remaining food for next time.
//TODO: eat food that will go off if not eaten and still below limits.
break;
}
// reorder remaining food types to next feed target if available
foodStoreTypes = foodStoreTypes.OrderBy(a => a.ConversionFactor(labourActivityFeedTargets[feedTargetIndex].Metric)).ToList();
}
}
// We have now been through all food types or all targets have been achieved.
// Any unused food will not be consumed even if it is about to spoil.
// The food requests ready to send contain excesses that may need to be purchased but haven't been accounted for towards targets yet
// Next we go through and check all requests that exceed available to see if we can and there is need to buy resources.
foreach (ResourceRequest request in ResourceRequestList.Where(a => a.Required > a.Available))
{
// all targets have not been met
if (feedTargetIndex <= labourActivityFeedTargets.Count())
{
// allow if transmutation possible
if ((request.Resource as HumanFoodStoreType).TransmutationDefined)
{
// allow if still below threshold
if (labourActivityFeedTargets[feedTargetIndex].CurrentAchieved < labourActivityFeedTargets[feedTargetIndex].Target)
{
HumanFoodStoreType foodStore = request.Resource as HumanFoodStoreType;
// if this food type provides towards the target
if (foodStore.ConversionFactor(labourActivityFeedTargets[feedTargetIndex].Metric) > 0)
{
// work out what the extra is worth
double excess = request.Required - request.Available;
// get target needed
double remainingToTarget = labourActivityFeedTargets[feedTargetIndex].Target - labourActivityFeedTargets[feedTargetIndex].CurrentAchieved;
double excessConverted = excess * foodStore.EdibleProportion * foodStore.ConversionFactor(labourActivityFeedTargets[feedTargetIndex].Metric);
// reduce if less than needed
double prop = Math.Max(excessConverted / remainingToTarget, 1.0);
double newExcess = excess * prop;
request.Required = request.Available + newExcess;
request.AllowTransmutation = true;
// update targets based on new amount eaten
foreach (LabourActivityFeedTarget target in labourActivityFeedTargets)
{
target.CurrentAchieved += newExcess * foodStore.EdibleProportion * foodStore.ConversionFactor(target.Metric);
}
// move to next target if achieved.
if (labourActivityFeedTargets[feedTargetIndex].CurrentAchieved >= labourActivityFeedTargets[feedTargetIndex].Target)
{
feedTargetIndex++;
}
}
}
}
}
// transmutation not allowed so only get what was available.
if (request.AllowTransmutation == false)
{
request.Required = request.Available;
}
}
return(requests);
}