BuildFeed/BuildFeed.Model/MetaItem.cs

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using System;
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using System.Collections.Generic;
using System.ComponentModel;
using System.ComponentModel.DataAnnotations;
using System.Linq;
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using System.Threading.Tasks;
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using System.Web.Mvc;
using MongoDB.Bson;
using MongoDB.Bson.Serialization.Attributes;
using MongoDB.Driver;
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using Required = System.ComponentModel.DataAnnotations.RequiredAttribute;
namespace BuildFeed.Model
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{
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[DataObject]
public class MetaItemModel
{
[Key]
[BsonId]
[@Required]
public MetaItemKey Id { get; set; }
[DisplayName("Meta Description")]
public string MetaDescription { get; set; }
[DisplayName("Page Content")]
[AllowHtml]
public string PageContent { get; set; }
}
public class MetaItem
{
private const string META_COLLECTION_NAME = "metaitem";
private readonly BuildRepository _bModel;
private readonly IMongoCollection<MetaItemModel> _metaCollection;
public MetaItem()
{
MongoClientSettings settings = new MongoClientSettings
{
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Server = new MongoServerAddress(MongoConfig.Host, MongoConfig.Port)
};
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if (!string.IsNullOrEmpty(MongoConfig.Username) && !string.IsNullOrEmpty(MongoConfig.Password))
{
settings.Credentials = new List<MongoCredential>
{
MongoCredential.CreateCredential(MongoConfig.Database, MongoConfig.Username, MongoConfig.Password)
};
}
MongoClient dbClient = new MongoClient(settings);
_metaCollection = dbClient.GetDatabase(MongoConfig.Database).GetCollection<MetaItemModel>(META_COLLECTION_NAME);
_bModel = new BuildRepository();
}
[DataObjectMethod(DataObjectMethodType.Select, false)]
public async Task<IEnumerable<MetaItemModel>> Select()
{
return await _metaCollection.Find(new BsonDocument()).ToListAsync();
}
[DataObjectMethod(DataObjectMethodType.Select, true)]
public async Task<IEnumerable<MetaItemModel>> SelectByType(MetaType type)
{
return await _metaCollection.Find(f => f.Id.Type == type).ToListAsync();
}
[DataObjectMethod(DataObjectMethodType.Select, false)]
public async Task<MetaItemModel> SelectById(MetaItemKey id)
{
return await _metaCollection.Find(f => f.Id.Type == id.Type && f.Id.Value == id.Value).SingleOrDefaultAsync();
}
[DataObjectMethod(DataObjectMethodType.Select, false)]
public async Task<IEnumerable<string>> SelectUnusedLabs()
{
string[] labs = await _bModel.SelectAllLabs();
List<MetaItemModel> usedLabs = await _metaCollection.Find(f => f.Id.Type == MetaType.Lab).ToListAsync();
return from l in labs
where usedLabs.All(ul => ul.Id.Value != l)
select l;
}
[DataObjectMethod(DataObjectMethodType.Select, false)]
public async Task<IEnumerable<string>> SelectUnusedVersions()
{
BuildVersion[] versions = await _bModel.SelectAllVersions();
List<MetaItemModel> usedVersions = await _metaCollection.Find(f => f.Id.Type == MetaType.Version).ToListAsync();
return from v in versions
where usedVersions.All(ul => ul.Id.Value != v.ToString())
select v.ToString();
}
[DataObjectMethod(DataObjectMethodType.Select, false)]
public async Task<IEnumerable<string>> SelectUnusedYears()
{
int[] years = await _bModel.SelectAllYears();
List<MetaItemModel> usedYears = await _metaCollection.Find(f => f.Id.Type == MetaType.Year).ToListAsync();
return from y in years
where usedYears.All(ul => ul.Id.Value != y.ToString())
select y.ToString();
}
[DataObjectMethod(DataObjectMethodType.Insert, true)]
public async Task Insert(MetaItemModel item)
{
await _metaCollection.InsertOneAsync(item);
}
[DataObjectMethod(DataObjectMethodType.Update, true)]
public async Task Update(MetaItemModel item)
{
await _metaCollection.ReplaceOneAsync(f => f.Id.Type == item.Id.Type && f.Id.Value == item.Id.Value, item);
}
[DataObjectMethod(DataObjectMethodType.Insert, false)]
public async Task InsertAll(IEnumerable<MetaItemModel> items)
{
await _metaCollection.InsertManyAsync(items);
}
[DataObjectMethod(DataObjectMethodType.Delete, true)]
public async Task DeleteById(MetaItemKey id)
{
await _metaCollection.DeleteOneAsync(f => f.Id.Type == id.Type && f.Id.Value == id.Value);
}
}
public class MetaItemKey
{
public MetaType Type { get; set; }
public string Value { get; set; }
public MetaItemKey()
{
}
public MetaItemKey(string id)
{
string[] items = id.Split(':');
Type = (MetaType)Enum.Parse(typeof(MetaType), items[0]);
Value = items[1];
}
public override string ToString()
{
return $"{Type}:{Value}";
}
}
public enum MetaType
{
Lab,
Version,
Source,
Year
}
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}