public productionSchedule(Production_Task _pt)
{
pt = _pt;
}
private string generateProductionSchedule()
{
//*************************************** GET EVERYTHING SET UP
//Armand: Check if production schedule exists for today
bool flag = false;
if (flag == true)
{
return("false|Production Schedule has already been generated.");
}
TimeSpan day_start = new TimeSpan(8, 0, 0);
TimeSpan day_end = new TimeSpan(17, 0, 0);
TimeSpan day_duration = day_end.Subtract(day_start);
List <Machine> machines = (from p in db.Machines
orderby p.Machine_ID
select p).ToList();
List <Manual_Labour_Type> manual = (from p in db.Manual_Labour_Type
orderby p.Name
where p.Sub_Contractor == false
select p).ToList();
List <Unique_Machine> um = (from p in db.Unique_Machine
orderby p.Machine_ID
select p).ToList();
int i = 1440;
//Calculate the shortest amount of time.
foreach (Machine m in machines)
{
if (i > m.Run_Time)
{
i = m.Run_Time;
}
}
foreach (Manual_Labour_Type ml in manual)
{
if (i > ml.Duration)
{
i = ml.Duration;
}
}
TimeSpan intervals = new TimeSpan(0, i, 0);
int interval_count = Convert.ToInt32(day_duration.TotalMinutes / i);
int num_of_resouces = (manual.Count + um.Count + 1);
bool[,] grid = new bool[interval_count, num_of_resouces];
//Set all cells to false
for (int aa = 0; aa < interval_count; aa++)
{
for (int bb = 0; bb < num_of_resouces; bb++)
{
grid[aa, bb] = false;
}
}
string[] resouce_pos = new string[num_of_resouces];
for (int k = 0; k < resouce_pos.Length; k++)
{
if (k < manual.Count)
{
resouce_pos[k] = "Manual|" + manual[k].Manual_Labour_Type_ID + "|" + manual[k].Name;
}
else
{
resouce_pos[k] = "Machine|" + um[k].Unique_Machine_ID + "|" + um[k].Machine_ID;
}
}
//*************************************** Create production schedule
//Armand: Insert a new entry in the production_schedule table. Remeber to save
//the intervals as well
Production_Schedule ps = new Production_Schedule();
int key = db.Machines.Count() == 0 ? 1 : (from t in db.Production_Schedule
orderby t.Production_Schedule_ID descending
select t.Production_Schedule_ID).First() + 1;
ps.Production_Schedule_ID = key;
ps.Production_Schedule_Date = DateTime.Now;
ps.intervals = intervals.Ticks;
db.Production_Schedule.Add(ps);
db.SaveChanges();
//*************************************** Create Part Queue
//Armand : Get all the uncompleted job cards order by priority then by date. Client
//job cards are more important
List <Job_Card> cards = (from p in db.Job_Card
orderby p.Job_Card_Priority_ID, p.Job_Card_Date
select p).ToList();
//Make an empty queue
Queue <ProductionPart> parts = new Queue <ProductionPart>();
foreach (Job_Card jc in cards)
{
if (jc.Job_Card_Status_ID == 1)
{
//Armand : IF job card has a status of started then update to in-production
Job_Card jcTemp = new Job_Card();
jcTemp = (from p in db.Job_Card
where p.Job_Card_ID == jc.Job_Card_ID
select p).First();
jcTemp.Job_Card_Status_ID = 2;
db.SaveChanges();
}
//Armand: Create a list of parts that are tied to this job card.
List <Part> pp = new List <Part>();
foreach (Job_Card_Detail jcd in jc.Job_Card_Detail)
{
List <Part> tmp = (from p in db.Parts
where p.Job_Card_Detail.Contains(jcd)
select p).ToList();
pp = pp.Concat(tmp).ToList();
}
foreach (Part p in pp)
{
//Create a new production part
ProductionPart temp = new ProductionPart();
//Populate with data from the database where p.part_type_ID for part type and
//p.Part_ID for part but you can probably just assign p to temp.part
temp.part = p;
temp.part_type = p.Part_Type;
temp.job_card_ID = jc.Job_Card_ID;
string[] resourceNeeded = new string[temp.part_type.Machine_Part.Count + temp.part_type.Manual_Labour_Type_Part.Count + 1];
//Create the array of stages we need to go through
foreach (Machine_Part m in temp.part_type.Machine_Part)
{
resourceNeeded[m.Stage_In_Manufacturing] = "Machine|" + m.Machine_ID;
}
foreach (Manual_Labour_Type_Part m in temp.part_type.Manual_Labour_Type_Part)
{
resourceNeeded[m.Stage_In_Manufacturing] = "Manual|" + m.Manual_Labour_Type_ID;
}
temp.partResources = resourceNeeded;
parts.Enqueue(temp);
}
}
//*************************************** Start scheduling
bool scheduleFull = false;
while (parts.Count != 0 && scheduleFull == false)
{
ProductionPart pp = parts.Dequeue();
for (int s = pp.part.Part_Stage; s <= pp.part_type.Number_Of_Stages; s++)
{
//Find the recipe entry;
Recipe r = new Recipe();
for (int k = 0; k < pp.part_type.Recipes.Count; k++)
{
if (pp.part_type.Recipes.ElementAt(k).Stage_in_Manufacturing == s)
{
r = pp.part_type.Recipes.ElementAt(k);
}
}
//Does this stage need another part?
if (r.Recipe_Type == "Part Type")
{
//If no child is available then
//skip the remained of the steps
if (checkForChildren(pp.part.Part_ID, r.Item_ID, r.Quantity_Required) == false)
{
continue;
}
}
//resouceneeded[0] == type and [1] == ID
string[] resouceNeeded = pp.partResources[s].Split('|');
bool scheduled = false;
if (resouceNeeded[0] == "Machine")
{
for (int k = 0; k < resouce_pos.Length && scheduled == false; k++)
{
string[] resouce = resouce_pos[k].Split('|');
int duration = 0;
if (resouce[0] == "Machine")
{
int machine_ID = Convert.ToInt32(resouce[2]);
int machine_ID_needed = Convert.ToInt32(resouceNeeded[1]);
//If we have found a match
if (machine_ID == machine_ID_needed)
{
//Get the duration
for (int a = 0; a < machines.Count; a++)
{
if (machines[a].Machine_ID == machine_ID)
{
duration = machines[a].Run_Time;
}
}
}
}
else //it's a Manual Labour
{
int manual_ID = Convert.ToInt32(resouce[1]);
bool sub_contractor = false;
//Is this manual labour for a sub-contractor?
for (int a = 0; a < manual.Count; a++)
{
if (manual[a].Manual_Labour_Type_ID == manual_ID)
{
sub_contractor = manual[a].Sub_Contractor;
}
}
if (sub_contractor == true) //skip the remaining steps
{
break;
}
for (int a = 0; a < manual.Count; a++)
{
if (manual[a].Manual_Labour_Type_ID == manual_ID)
{
duration = manual[a].Duration;
}
}
}
//i is the interval. So if i= 18 then
//round up to the nearest factor of 18
duration = RoundUp(duration, i);
//How many cells will this occupy?
int cellcount = duration / i;
//Grid[rows,cols]
//k = the pos of the current machine we are working with
//Find some space
bool space = true;
int space_index_start = 0;
for (int b = 0; b < interval_count; b++)
{
for (int g = b; g < cellcount + b; g++)
{
if (grid[g, k] == true)
{
space = false;
}
}
//If there is no space in the n spaces then skip them
//and continue down the column until space is found else
//move on to next resouce.
if (space == false)
{
b = b + cellcount;
}
else
{
space_index_start = b;
break;
}
}
//Occupy the space in the grid
if (space == true)
{
for (int b = space_index_start; b < b + cellcount; b++)
{
grid[b, k] = true;
}
TimeSpan minutes = new TimeSpan(0, space_index_start, 0);
TimeSpan start_time = day_start.Add(minutes);
minutes = new TimeSpan(0, duration, 0);
TimeSpan end_time = start_time.Add(minutes);
//Armand: FInd an eligible employee
Employee emp = new Employee();
int resource_id;
if (resouce[0] == "Machine")
{
resource_id = Convert.ToInt32(resouce[2]);
Machine m = new Machine();
m = (from p in db.Machines
where p.Machine_ID == resource_id
select p).First();
emp = (from d in db.Employees
where d.Machines.Contains(m)
select d).FirstOrDefault();
}
else
{
resource_id = Convert.ToInt32(resouce[1]);
Manual_Labour_Type m = new Manual_Labour_Type();
m = (from p in db.Manual_Labour_Type
where p.Manual_Labour_Type_ID == resource_id
select p).First();
emp = (from d in db.Employees
where d.Manual_Labour_Type.Contains(m)
select d).FirstOrDefault();
}
int employee_ID = emp.Employee_ID;
//Then create a new task
//part_stage = s
//resouce_type = resource[0]
Production_Task pt = new Production_Task();
int prod_task_key = db.Production_Task.Count() == 0 ? 1 : (from t in db.Production_Task
orderby t.Production_Task_ID descending
select t.Production_Task_ID).First() + 1;
pt.Production_Task_ID = prod_task_key;
pt.Production_Task_Type = resouce[0];
pt.start_time = start_time;
pt.end_time = end_time;
pt.Part_Stage = s;
pt.Production_Schedule_ID = key;
pt.Employee_ID = employee_ID;
pt.complete = false;
pt.Part_ID = pp.part.Part_ID;
pt.Resource_ID = resource_id;
pt.Job_Card_ID = pp.job_card_ID;
pt.duration = pp.;
scheduled = true;
break;
}
}
}
}
}
return("True|Production Schedule has been generated.");
}
private void generateProductionSchedule()
{
TimeSpan day_start = new TimeSpan(8, 0, 0);
TimeSpan day_end = new TimeSpan(17, 0, 0);
TimeSpan day_duration = day_end.Subtract(day_start);
List <Machine> machines = new List <Machine>();
List <Manual_Labour_Type> manual = new List <Manual_Labour_Type>();
List <Part> pp = new List <Part>();
List <Unique_Machine> unique = new List <Unique_Machine>();
//*************************************** Create Part Queue
List <Job_Card> cards = (from p in db.Job_Card
where p.Job_Card_Status_ID == 1 || p.Job_Card_Status_ID == 2
orderby p.Job_Card_Priority_ID, p.Job_Card_Date
select p).ToList();
//Make an empty queue
Queue <ProductionPart> parts = new Queue <ProductionPart>();
foreach (Job_Card jc in cards)
{
if (jc.Job_Card_Status_ID == 1)
{
//Armand : IF job card has a status of started then update to in-production
Job_Card jcTemp = new Job_Card();
jcTemp = (from p in db.Job_Card
where p.Job_Card_ID == jc.Job_Card_ID
select p).First();
jcTemp.Job_Card_Status_ID = 2;
db.SaveChanges();
}
//Somehow get parts
foreach (Job_Card_Detail jcd in jc.Job_Card_Detail)
{
List <Part> tmp = (from p in db.Parts
where p.Job_Card_Detail.Where(y => y.Job_Card_Details_ID == jcd.Job_Card_Details_ID).FirstOrDefault().Job_Card_Details_ID == jcd.Job_Card_Details_ID && p.Part_Status_ID < 3
select p).ToList();
pp = pp.Concat(tmp).ToList();
foreach (Part p in tmp)
{
ProductionPart tmp2 = new ProductionPart();
tmp2.part = p;
tmp2.job_card_ID = jcd.Job_Card_ID;
List <Machine> mac = (from z in db.Machines
join d in db.Machine_Part
on z.Machine_ID equals d.Machine_ID
where d.Part_Type_ID == p.Part_Type_ID
select z).ToList();
List <Manual_Labour_Type> man = (from z in db.Manual_Labour_Type
join d in db.Manual_Labour_Type_Part
on z.Manual_Labour_Type_ID equals d.Manual_Labour_Type_ID
where d.Part_Type_ID == p.Part_Type_ID
select z).ToList();;
tmp2.recipe = p.Part_Type.Recipes.ToList();
foreach (Machine m in mac)
{
ProductionPart.MachineRecipe mr = new ProductionPart.MachineRecipe();
mr.machine = m;
mr.stage = (from z in db.Machine_Part
where z.Machine_ID == m.Machine_ID && z.Part_Type_ID == p.Part_Type_ID
select z.Stage_In_Manufacturing).First();
machines.Add(m);
tmp2.machines.Add(mr);
}
foreach (Manual_Labour_Type m in man)
{
ProductionPart.ManualRecipe mr = new ProductionPart.ManualRecipe();
mr.manual = m;
mr.stage = (from z in db.Manual_Labour_Type_Part
where z.Manual_Labour_Type_ID == m.Manual_Labour_Type_ID && z.Part_Type_ID == p.Part_Type_ID
select z.Stage_In_Manufacturing).First();
manual.Add(m);
tmp2.manual.Add(mr);
}
parts.Enqueue(tmp2);
}
}
}
manual = manual.Distinct().ToList();
machines = machines.Distinct().ToList();
foreach (Machine m in machines)
{
unique = unique.Concat(m.Unique_Machine.Where(x => x.Machine_Status_ID == 1)).ToList();
}
int i = 1440; //max amount of time is equal to 24 hours
//Calculate the shortest amount of time.
foreach (Machine m in machines)
{
if (i > m.Run_Time)
{
i = m.Run_Time;
}
}
foreach (Manual_Labour_Type ml in manual)
{
if (i > ml.Duration)
{
i = ml.Duration;
}
}
TimeSpan intervals = new TimeSpan(0, i, 0);
int interval_count = Convert.ToInt32(day_duration.TotalMinutes / i);
int num_of_resources = unique.Count() + manual.Count();
bool[,] grid = new bool[interval_count, num_of_resources];
Employee[,] gridEmployee = new Employee[interval_count, num_of_resources];
for (int aa = 0; aa < interval_count; aa++)
{
for (int bb = 0; bb < num_of_resources; bb++)
{
grid[aa, bb] = false;
gridEmployee[aa, bb] = null;
}
}
//*************************************** Create production schedule
Production_Schedule ps = new Production_Schedule();
int key = db.Production_Schedule.Count() == 0 ? 1 : (from t in db.Production_Schedule
orderby t.Production_Schedule_ID descending
select t.Production_Schedule_ID).First() + 1;
ps.Production_Schedule_ID = key;
ps.Production_Schedule_Date = DateTime.Now;
ps.intervals = Convert.ToInt32(intervals.TotalMinutes);
db.Production_Schedule.Add(ps);
db.SaveChanges();
bool scheduleFull = false;
while (parts.Count != 0 && scheduleFull == false)
{
ProductionPart ProdPart = parts.Dequeue();
TimeSpan currentTime = day_start;
int interval_stage = 0;
for (int x = 1; x <= ProdPart.part.Part_Type.Number_Of_Stages; x++)
{
Machine tmp1;
Manual_Labour_Type tmp2;
try
{
tmp1 = ProdPart.machines.Find(y => y.stage == x).machine;
}
catch
{
tmp1 = null;
}
try
{
tmp2 = ProdPart.manual.Find(y => y.stage == x).manual;
}
catch
{
tmp2 = null;
}
Recipe tmp3 = ProdPart.recipe.Find(y => y.Stage_in_Manufacturing == x);
int cellcount;
if (tmp1 != null)
{
cellcount = RoundUp(tmp1.Run_Time, i) / i;
bool foundEmployee = false;
bool foundMachine = false;
List <Unique_Machine> um = tmp1.Unique_Machine.ToList();
int k = manual.Count();
int l = 0;
for (int y = 0; y < unique.Count(); y++)
{
if (um[0].Unique_Machine_ID == unique[y].Unique_Machine_ID)
{
k += y;
break;
}
}
while (!foundEmployee && !foundMachine)
{
if (interval_stage + cellcount >= interval_count)
{
l++;
if (l == um.Count())
{
break;
}
k = manual.Count();
for (int y = 0; y < unique.Count(); y++)
{
if (um[l].Unique_Machine_ID == unique[y].Unique_Machine_ID)
{
k += y;
break;
}
}
interval_stage = Convert.ToInt32((currentTime.TotalMinutes - day_start.TotalMinutes) / i);
}
foundMachine = false;
foundEmployee = false;
bool spotOpen = true;
for (int g = interval_stage; g < interval_stage + cellcount && g < interval_count; g++)
{
if (grid[g, k] == true)
{
spotOpen = false;
}
}
if (!spotOpen)
{
interval_stage += 1;
}
else
{
foundMachine = true;
Unique_Machine umO = um[l];
List <Employee> empList = (from p in db.Employees
where p.Machines.Where(e => e.Machine_ID == tmp1.Machine_ID).FirstOrDefault().Machine_ID == tmp1.Machine_ID
select p).ToList();
int z = 0;
bool empOpen = true;
Employee emp = null;
while (empOpen)
{
if (z == empList.Count())
{
emp = null;
break;
}
emp = empList[z];
for (int g = interval_stage; g < interval_stage + cellcount && g < interval_count; g++)
{
for (int h = 0; h < manual.Count() + unique.Count(); h++)
{
if (gridEmployee[g, h] == emp)
{
empOpen = false;
}
}
}
if (!empOpen)
{
z++;
empOpen = true;
}
else
{
break;
}
}
if (emp == null)
{
interval_stage += 1;
}
else
{
foundEmployee = true;
Production_Task pt = new Production_Task();
int prod_task_key = db.Production_Task.Count() == 0 ? 1 : (from t in db.Production_Task
orderby t.Production_Task_ID descending
select t.Production_Task_ID).First() + 1;
for (int g = interval_stage; g < interval_stage + cellcount && g < interval_count; g++)
{
grid[g, k] = true;
gridEmployee[g, k] = emp;
}
TimeSpan minutes = new TimeSpan(0, interval_stage * Convert.ToInt32(intervals.TotalMinutes), 0);
TimeSpan start_time = currentTime.Add(minutes);
minutes = new TimeSpan(0, RoundUp(tmp1.Run_Time, i), 0);
TimeSpan end_time = start_time.Add(minutes);
currentTime = end_time;
pt.Production_Task_ID = prod_task_key;
pt.Production_Task_Type = "Machine";
pt.start_time = start_time;
pt.end_time = end_time;
pt.Part_Stage = x;
pt.Production_Schedule_ID = key;
pt.Employee_ID = emp.Employee_ID;
pt.complete = false;
pt.Part_ID = ProdPart.part.Part_ID;
pt.Resource_ID = umO.Unique_Machine_ID;
pt.Job_Card_ID = ProdPart.job_card_ID;
pt.duration = RoundUp(tmp1.Run_Time, i);
db.Production_Task.Add(pt);
db.SaveChanges();
}
}
}
}
else
if (tmp2 != null)
{
cellcount = RoundUp(tmp2.Duration, i) / i;
bool foundEmployee = false;
bool foundManual = false;
int k = 0;
for (int y = 0; y < manual.Count(); y++)
{
if (tmp2.Manual_Labour_Type_ID == manual[y].Manual_Labour_Type_ID)
{
k += y;
break;
}
}
while (!foundEmployee && !foundManual)
{
if (interval_stage + cellcount >= interval_count)
{
break;
}
foundManual = false;
foundEmployee = false;
bool spotOpen = true;
for (int g = interval_stage; g < interval_stage + cellcount && g < interval_count; g++)
{
if (grid[g, k] == true)
{
spotOpen = false;
}
}
if (!spotOpen)
{
interval_stage += 1;
}
else
{
foundManual = true;
List <Employee> empList = (from p in db.Employees
where p.Manual_Labour_Type.Where(e => e.Manual_Labour_Type_ID == tmp2.Manual_Labour_Type_ID).FirstOrDefault().Manual_Labour_Type_ID == tmp2.Manual_Labour_Type_ID
select p).ToList();
int z = 0;
bool empOpen = true;
Employee emp = null;
while (empOpen)
{
if (z == empList.Count())
{
emp = null;
break;
}
emp = empList[z];
for (int g = interval_stage; g < interval_stage + cellcount && g < interval_count; g++)
{
for (int h = 0; h < manual.Count() + unique.Count(); h++)
{
if (gridEmployee[g, h] == emp)
{
empOpen = false;
}
}
}
if (!empOpen)
{
z++;
empOpen = true;
}
else
{
break;
}
}
if (emp == null)
{
interval_stage += 1;
}
else
{
foundEmployee = true;
Production_Task pt = new Production_Task();
int prod_task_key = db.Production_Task.Count() == 0 ? 1 : (from t in db.Production_Task
orderby t.Production_Task_ID descending
select t.Production_Task_ID).First() + 1;
for (int g = interval_stage; g < interval_stage + cellcount && g < interval_count; g++)
{
grid[g, k] = true;
gridEmployee[g, k] = emp;
}
TimeSpan minutes = new TimeSpan(0, interval_stage * Convert.ToInt32(intervals.TotalMinutes), 0);
TimeSpan start_time = currentTime.Add(minutes);
minutes = new TimeSpan(0, RoundUp(tmp2.Duration, i), 0);
TimeSpan end_time = start_time.Add(minutes);
currentTime = end_time;
pt.Production_Task_ID = prod_task_key;
pt.Production_Task_Type = "Manual";
pt.start_time = start_time;
pt.end_time = end_time;
pt.Part_Stage = x;
pt.Production_Schedule_ID = key;
pt.Employee_ID = emp.Employee_ID;
pt.complete = false;
pt.Part_ID = ProdPart.part.Part_ID;
pt.Resource_ID = tmp2.Manual_Labour_Type_ID;
pt.Job_Card_ID = ProdPart.job_card_ID;
pt.duration = RoundUp(tmp2.Duration, i);
db.Production_Task.Add(pt);
db.SaveChanges();
}
}
}
}
}
}
}
