tcc and tif drift, compensated for string value casing, csv to dict improved process

app/models/irt_model.py

@@ -6,3 +6,7 @@ class IRTModel(BaseModel):
   b_param: Dict = {"schema_bson_id": str, "field_bson_id": str}
   c_param: float
   model: str
+
+
+  def formatted_b_param(self):
+    return self.b_param['schema_bson_id'] + '-' + self.b_param['field_bson_id']

app/models/item.py

@@ -9,6 +9,7 @@ from lib.irt.item_information_function import ItemInformationFunction
 class Item(BaseModel):
   id: int
   passage_id: Optional[int]
+  workflow_state: Optional[str]
   attributes: List[Attribute]
   b_param: float = 0.00
 
@@ -20,12 +21,12 @@ class Item(BaseModel):
 
   def get_attribute(self, ref_attribute):
     for attribute in self.attributes:
-      if attribute.id == ref_attribute.id and attribute.value == ref_attribute.value:
+      if attribute.id == ref_attribute.id and attribute.value.lower() == ref_attribute.value.lower():
         return attribute.value
     return False
 
   def attribute_exists(self, ref_attribute):
     for attribute in self.attributes:
-      if attribute.id == ref_attribute.id and attribute.value == ref_attribute.value:
+      if attribute.id == ref_attribute.id and attribute.value.lower() == ref_attribute.value.lower():
         return True
     return False

app/models/solver_run.py

@@ -9,7 +9,7 @@ from models.objective_function import ObjectiveFunction
 from models.advanced_options import AdvancedOptions
 
 class SolverRun(BaseModel):
-  items: List[Item]
+  items: List[Item] = []
   bundles: Optional[Bundle]
   constraints: List[Constraint]
   irt_model: IRTModel
@@ -63,3 +63,6 @@ class SolverRun(BaseModel):
               count=1,
               type=type_attribute
             )]
+
+  def get_constraint(self, name):
+    return next((constraint for constraint in self.constraints if constraint.reference_attribute.id == name), None)