basic course reorganization

scheduleGenerator/generator.py

@@ -37,6 +37,8 @@ from util.generateCourses import getSampleCourses
   }
 '''
 
+def exists(n): return True if n not in ('', None) else False
+
 def getLineNumber(): return currentframe().f_back.f_lineno
 
 # Takes in information to create or add a new conflict
@@ -416,17 +418,45 @@ def generateScheduleV3(
               found = True
               break
 
-        # Remove class after inserted or failed to insert
-        classes.remove(classes[index])
-        runCounts.remove(runCounts[index])
-
         if not found:
           # Try alternate
           alternates = [alt["CrsNo"] for alt in students[student["studentIndex"]]["remainingAlts"] if alt["CrsNo"] not in flex and alt["CrsNo"] in courseRunInfoCopy]
           if len(alternates) == 0: # If not alternates, create critical error
-            c_cr_count += 1
+            # Determine all places class exists
-            criticalCount += 1
+            existsIn, existingClassNames = [], []
-            if not newConflict(student["Pupil #"], "", "Critical", "C-CR", "Couldn't Resolve", conflictLogs): studentsCritical += 1
+            for block in running:
+              for cname in running[block]:
+                if cname[:-2] == classes[index] and len(running[block][cname]["students"]) < classCap:
+                  existsIn.append(block)
+                  existingClassNames.append(cname)
+
+            # Attempt to fix
+            solution = False
+            if len(existsIn) > 0:
+              for i, existing in enumerate(existsIn):
+                if solution: break
+                classOut = student["schedule"][existing][0]
+                for block in running:
+                  if solution: break
+                  if block == existing or block not in availableBlocks: continue
+                  for cname in running[block]:
+                    if cname[:-2] == classOut[:-2] and len(running[block][cname]["students"]) < classCap:
+                      # Move to existing class elsewhere
+                      student["schedule"][block].append(cname)
+                      running[block][cname]["students"].append(studentData)
+
+                      # Overwrite old class
+                      running[existing][student["schedule"][existing][0]]["students"].remove(studentData)
+                      student["schedule"][existing][0] = existingClassNames[i]
+                      running[existing][existingClassNames[i]]["students"].append(studentData)
+                      
+                      solution = True
+                      break
+
+            if not solution:
+              c_cr_count += 1
+              criticalCount += 1
+              if not newConflict(student["Pupil #"], "", "Critical", "C-CR", "Couldn't Resolve", conflictLogs): studentsCritical += 1
 
           else:
             # Get alternate least run
@@ -441,7 +471,11 @@ def generateScheduleV3(
             for remaining in students[student["studentIndex"]]["remainingAlts"]:
               if remaining["CrsNo"] == alternates[altIndex]:
                 students[student["studentIndex"]]["remainingAlts"].remove(remaining)
-    
+
+        # Remove class after inserted or failed to insert
+        classes.remove(classes[index])
+        runCounts.remove(runCounts[index])
+
     metSelfRequirements = True if student["classes"] == student["expectedClasses"] else False
     while not metSelfRequirements: