Files
raven/server/AyaNova/models/AyContext.cs
2020-02-13 20:22:42 +00:00

111 lines
4.6 KiB
C#

using Microsoft.EntityFrameworkCore;
using Microsoft.EntityFrameworkCore.Metadata;
namespace AyaNova.Models
{
public partial class AyContext : DbContext
{
public virtual DbSet<Event> Event { get; set; }
public virtual DbSet<SearchDictionary> SearchDictionary { get; set; }
public virtual DbSet<SearchKey> SearchKey { get; set; }
public virtual DbSet<User> User { get; set; }
public virtual DbSet<UserOptions> UserOptions { get; set; }
public virtual DbSet<License> License { get; set; }
public virtual DbSet<Widget> Widget { get; set; }
public virtual DbSet<FileAttachment> FileAttachment { get; set; }
public virtual DbSet<OpsJob> OpsJob { get; set; }
public virtual DbSet<OpsJobLog> OpsJobLog { get; set; }
public virtual DbSet<Locale> Locale { get; set; }
public virtual DbSet<LocaleItem> LocaleItem { get; set; }
public virtual DbSet<DataListSortFilter> DataListSortFilter { get; set; }
public virtual DbSet<Tag> Tag { get; set; }
public virtual DbSet<FormCustom> FormCustom { get; set; }
//Note: had to add this constructor to work with the code in startup.cs that gets the connection string from the appsettings.json file
//and commented out the above on configuring
public AyContext(DbContextOptions<AyContext> options) : base(options)
{ }
protected override void OnModelCreating(ModelBuilder modelBuilder)
{
//AUTOMATICALLY MATCH NAMES
//https://andrewlock.net/customising-asp-net-core-identity-ef-core-naming-conventions-for-postgresql/
foreach (var entity in modelBuilder.Model.GetEntityTypes())
{
// Replace table names
//entity.Relational().TableName = "a" + entity.Relational().TableName.ToLowerInvariant();
entity.SetTableName("a" + entity.GetTableName().ToLowerInvariant());
// Replace column names
foreach (var property in entity.GetProperties())
{
//Any object that has a concurrencytoken field
//set it up to work properly with PostgreSQL
if (property.Name == "ConcurrencyToken")
{
property.SetColumnName("xmin");
property.SetColumnType("xid");
// property.Relational().ColumnName = "xmin";
// property.Relational().ColumnType = "xid";
property.ValueGenerated = ValueGenerated.OnAddOrUpdate;
property.IsConcurrencyToken = true;
}
else
property.SetColumnName(property.Name.ToLowerInvariant());
}
foreach (var key in entity.GetKeys())
{
key.SetName(key.GetName().ToLowerInvariant());
// key.Relational().Name = key.Relational().Name.ToLowerInvariant();
}
foreach (var key in entity.GetForeignKeys())
{
//key.Relational().Name = key.Relational().Name.ToLowerInvariant();
key.SetConstraintName(key.GetConstraintName().ToLowerInvariant());
}
foreach (var index in entity.GetIndexes())
{
index.SetName(index.GetName().ToLowerInvariant());
//index.Relational().Name = index.Relational().Name.ToLowerInvariant();
}
}
//Indexes must be specified through fluent api unfortunately
modelBuilder.Entity<FileAttachment>().HasIndex(p => p.StoredFileName);
//Relationships
modelBuilder.Entity<Locale>()
.HasMany(c => c.LocaleItems)
.WithOne(e => e.Locale)
.IsRequired();//default delete behaviour is cascade when set to isrequired
modelBuilder.Entity<User>()
.HasOne(p => p.UserOptions)
.WithOne(i => i.User)
.HasForeignKey<UserOptions>(b => b.UserId)
.OnDelete(DeleteBehavior.Cascade);//Hopefully will delete the useroptions with the user?
//User->Widget Not certain about this definition
modelBuilder.Entity<User>()
.HasOne(p => p.Widget)
.WithOne(i => i.User)
.HasForeignKey<Widget>(b => b.UserId)
.OnDelete(DeleteBehavior.NoAction);
//-----------
}
}
}