51 lines
1.8 KiB
C#
51 lines
1.8 KiB
C#
using System;
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using System.Diagnostics.CodeAnalysis;
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using System.Linq;
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using System.Linq.Expressions;
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using System.Threading.Tasks;
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using BlueWest.Data;
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using Microsoft.EntityFrameworkCore;
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namespace BlueWest.WebApi.EF;
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public static class GenericExtensions
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{
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internal static T GetOne<T>(this DbSet<T> dbSet, Expression<Func<T,bool>> predicate) where T: class => dbSet.FirstOrDefault(predicate);
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internal static async Task<T> GetOneAsync<T>(this DbSet<T> dbSet, Expression<Func<T,bool>> predicate) where T: class => await dbSet.FirstOrDefaultAsync(predicate);
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internal static (bool, T) NotFound<T>() where T : class => (false, null);
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internal static (bool, T) Add<T>(this DbSet<T> dbSet, DbContext dbContext, T objectToAdd) where T: class
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{
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var newEntity = dbSet.Add(objectToAdd).Entity;
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return (dbContext.SaveChanges() >= 0, newEntity);
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}
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internal static async Task<(bool, T)> AddAsync<T>(this DbSet<T> dbSet, DbContext dbContext, T objectToAdd) where T: class
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{
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var newEntity = dbSet.Add(objectToAdd);
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bool resultOperation = await dbContext.SaveChangesAsync() >= 0;
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return (resultOperation, objectToAdd);
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}
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internal static (bool, T) Update<T>(this DbSet<T> dbSet, DbContext dbContext, T objectToUpdate) where T: class
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{
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dbContext.Update(objectToUpdate);
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var resultOperation = dbContext.SaveChanges() >= 0;
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return resultOperation ? (true, objectToUpdate) : (false, null);
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}
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internal static async Task<(bool, T)> UpdateAsync<T>(this DbSet<T> dbSet, DbContext dbContext, T objectToUpdate) where T: class
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{
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dbSet.Update(objectToUpdate);
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var result = await dbContext.SaveChangesAsync() >= 0;
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return (result, objectToUpdate);
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}
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} |