76 lines
2.5 KiB
Python
76 lines
2.5 KiB
Python
from sqlalchemy import create_engine, insert
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from sqlalchemy.engine.base import Engine
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from datetime import date
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from dbapi.tables import training, exercise, approach
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class DatabaseInterfasesMixin:
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"""Mixin for interfaces, that works with database"""
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def __init__(self, engine: Engine) -> None:
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self.engine: Engine = engine
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class TrainingRepository(DatabaseInterfasesMixin):
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"""Training table repository"""
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def create_training(self, date: date) -> int:
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"""Method for creating new instance of training
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Args:
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date: date of a training
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Returns:
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Primary key of created training entry
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"""
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new_instance_statement = insert(training).values(Date=date)
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with self.engine.connect() as conn:
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result = conn.execute(new_instance_statement)
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inerted_entry_pk: int = result.inserted_primary_key[0]
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conn.commit()
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return inerted_entry_pk
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class ExerciseRepository(DatabaseInterfasesMixin):
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"""Exercise table repository"""
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def create_exercise(self, training_pk: int, exercise_name: str) -> int:
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"""Method for creating new instance of exercise table
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Args:
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training_pk: Primary key of associated training instance
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exercise_name: Name of an exercise
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Returns:
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Primary key of created exercise entry
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"""
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new_instance_statement = insert(exercise).values(
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Training=training_pk, Name=exercise_name
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)
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with self.engine.connect() as conn:
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result = conn.execute(new_instance_statement)
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inserted_entry_pk: int = result.inserted_primary_key[0]
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conn.commit()
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return inserted_entry_pk
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class ApproachRepository(DatabaseInterfasesMixin):
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"""Approach table repository"""
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def create_approach(self, exercise_pk: int, weight: float, reps: int) -> int:
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"""Method for creating new instance of approach table
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Args:
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exercise_pk: Primary key of an associated exercise
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weight: Approach weight
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reps: Amount of reps in approach
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Returns:
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Primary key of created exercise entry
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"""
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new_instance_statement = insert(approach).values(
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Exercise=exercise_pk, Weight=weight, Reps=reps
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)
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with self.engine.connect() as conn:
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result = conn.execute(new_instance_statement)
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inserted_entry_pk: int = result.inserted_primary_key[0]
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conn.commit()
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return inserted_entry_pk
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