Ajoute de premiers éléments de calculs

openfisca_nouvelle_caledonie/parameters/benefits/aide_logement/loyer_mensuel_plafond/excedent_pour_charges.yaml

@@ -0,0 +1,6 @@
+description: Loyer mensuel de référence
+metadata:
+  reference: Article 10 de la délibération n° 286 du 18 avril 2007
+values:
+  2015-12-01:
+    value: 0.15

openfisca_nouvelle_caledonie/parameters/benefits/aide_logement/loyer_mensuel_plafond/pourcentage.yaml

@@ -0,0 +1,6 @@
+description: Loyer mensuel de référence
+metadata:
+  reference: Article 11 de la délibération n° 286 du 18 avril 2007
+values:
+  2015-12-01:
+    value: 0.20

openfisca_nouvelle_caledonie/parameters/benefits/aide_logement/loyer_mensuel_reference.yaml

@@ -0,0 +1,25 @@
+description: Loyer mensuel de référence
+metadata:
+  reference: Article 10 de la délibération n° 286 du 18 avril 2007
+  unit: currency-FCP
+chambre:
+  2015-12-01:
+    value: 27000
+f1:
+  2015-12-01:
+    value: 54000
+f2:
+  2015-12-01:
+    value: 68000
+f3:
+  2015-12-01:
+    value: 81000
+f4:
+  2015-12-01:
+    value: 90000
+f5p:
+  2015-12-01:
+    value: 99000
+maisonderetraite:
+  2015-12-01:
+    value: 54000

openfisca_nouvelle_caledonie/variables/aide_logement.py

@@ -3,6 +3,8 @@
 from openfisca_core.variables import Variable
 from openfisca_nouvelle_caledonie.entities import Household
 
+from openfisca_core.model_api import select
+
 
 class TypologieLogement(Enum):
     __order__ = "chambre f1 f2 f3 f4 f5p maisonderetraite"
@@ -11,7 +13,7 @@ class TypologieLogement(Enum):
     f2 = "F2"
     f3 = "F3"
     f4 = "F4"
-    f5p = "F5 et plus"
+    f5p = "F5 et suivants"
     maisonderetraite = "Maison de retraite"
 
 
@@ -24,15 +26,77 @@ class typologie_logement(Variable):
     label = "Legal housing situation of the household concerning their main residence"
 
 
-class aide_logement(Variable):
+class loyer(Variable):
     value_type = float
     entity = Household
     definition_period = MONTH
-    label = "Aide au logement"
+    label = "Loyer de base hors charges"
 
 
-class loyer(Variable):
+class charges_locatives(Variable):
+    value_type = float
+    entity = Household
+    definition_period = MONTH
+    label = "Charges locatives"
+
+
+class loyer_mensuel_de_base(Variable):
+    value_type = float
+    entity = Household
+    definition_period = MONTH
+    label = "Loyer mensuel de base"
+
+    def formula(household, period, parameters):
+        loyer_mensuel_reference = household('loyer_mensuel_reference', period)
+        loyer = household('loyer', period)
+
+        # Clarification nécessaire
+        # Prise en compte ou non de l'excédent de loyer pour charges importantes ?
+        return min(loyer, loyer_mensuel_reference)
+
+
+class loyer_mensuel_reference(Variable):
+    value_type = float
+    entity = Household
+    definition_period = MONTH
+    label = "Loyer mensuel de référence"
+
+    def formula(household, period, parameters):
+        typologie_logement = household('typologie_logement', period)
+        return  parameters(period).benefits.aide_logement.loyer_mensuel_reference[typologie_logement]
+
+
+class loyer_mensuel_plafond(Variable):
+    value_type = float
+    entity = Household
+    definition_period = MONTH
+    label = "Loyer mensuel de référence"
+
+    def formula(household, period, parameters):
+        loyer_mensuel_reference = household('loyer_mensuel_reference', period)
+        params = parameters(period).benefits.aide_logement.loyer_mensuel_plafond
+        pourcentage_plafond = params.pourcentage
+
+        excedent_pour_charges = params.excedent_pour_charges
+
+        charges = household('charges_locatives', period)
+        excedent_pour_charges_montant = max(0, charges - loyer_mensuel_reference * excedent_pour_charges)
+
+        # Clarification nécessaire
+        # return loyer_mensuel_reference * (1 + pourcentage_plafond) + excedent_pour_charges_montant
+        # OU
+        # return (loyer_mensuel_reference + excedent_pour_charges_montant) * (1 + pourcentage_plafond)
+        return (loyer_mensuel_reference + excedent_pour_charges_montant) * (1 + pourcentage_plafond)
+
+
+class aide_logement(Variable):
     value_type = float
     entity = Household
     definition_period = MONTH
-    label = "Aide au sogement"
+    label = "Aide au logement"
+
+    def formula(household, period, parameters):
+        loyer = household('loyer', period)
+        loyer_mensuel_plafond = household('loyer_mensuel_plafond', period)
+        return select([loyer > loyer_mensuel_plafond], [0], default = 1)
+