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51 lines
1.6 KiB
Python
51 lines
1.6 KiB
Python
import pandas as pd
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from BaseUtility import Definitions
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from backend.Property import Property
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class FireplaceRecommendations(Definitions):
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"""
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For properties that have open fireplaces, we recommend sealing the fireplaces
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"""
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# This is our base assumption for the cost of the work
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COST_OF_WORK = 300
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def __init__(
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self,
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property_instance: Property,
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):
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self.property = property_instance
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self.has_ventilaion = None
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self.recommendation = None
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def recommend(self):
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"""
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Based on the number of open fireplcaes found, we recommend sealing each one at a cost of
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around £500
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:return:
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"""
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number_open_fireplaces = int(self.property.data["number-open-fireplaces"])
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if number_open_fireplaces == 0:
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return
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estimated_cost = number_open_fireplaces * self.COST_OF_WORK
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# We recommend installing two mechanical ventilation systems
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self.recommendation = [
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{
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"parts": [],
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"type": "sealing_open_fireplace",
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"description": "Seal %s open fireplaces" % str(number_open_fireplaces),
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"starting_u_value": None,
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"new_u_value": None,
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"sap_points": None,
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"total": estimated_cost,
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# Take a very basic estimate of 6 hours, multipled by the number of open fireplaces to seal
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"labour_hours": 6 * number_open_fireplaces,
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"labour_days": 6 * number_open_fireplaces / 8, # Assume 8 hour day
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}
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]
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