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using System;
using MongoDB.Driver;
using StardewModdingAPI.Toolkit.Framework.UpdateData;
using StardewModdingAPI.Web.Framework.ModRepositories;
namespace StardewModdingAPI.Web.Framework.Caching.Mods
{
/// <summary>Encapsulates logic for accessing the mod data cache.</summary>
internal class ModCacheRepository : BaseCacheRepository, IModCacheRepository
{
/*********
** Fields
*********/
/// <summary>The collection for cached mod data.</summary>
private readonly IMongoCollection<CachedMod> Mods;
/*********
** Public methods
*********/
/// <summary>Construct an instance.</summary>
/// <param name="database">The authenticated MongoDB database.</param>
public ModCacheRepository(IMongoDatabase database)
{
// get collections
this.Mods = database.GetCollection<CachedMod>("mods");
// add indexes if needed
this.Mods.Indexes.CreateOne(new CreateIndexModel<CachedMod>(Builders<CachedMod>.IndexKeys.Ascending(p => p.ID).Ascending(p => p.Site)));
}
/*********
** Public methods
*********/
/// <summary>Get the cached mod data.</summary>
/// <param name="site">The mod site to search.</param>
/// <param name="id">The mod's unique ID within the <paramref name="site"/>.</param>
/// <param name="mod">The fetched mod.</param>
/// <param name="markRequested">Whether to update the mod's 'last requested' date.</param>
public bool TryGetMod(ModRepositoryKey site, string id, out CachedMod mod, bool markRequested = true)
{
// get mod
id = this.NormaliseId(id);
mod = this.Mods.Find(entry => entry.ID == id && entry.Site == site).FirstOrDefault();
if (mod == null)
return false;
// bump 'last requested'
if (markRequested)
{
mod.LastRequested = DateTimeOffset.UtcNow;
mod = this.SaveMod(mod);
}
return true;
}
/// <summary>Save data fetched for a mod.</summary>
/// <param name="site">The mod site on which the mod is found.</param>
/// <param name="id">The mod's unique ID within the <paramref name="site"/>.</param>
/// <param name="mod">The mod data.</param>
/// <param name="cachedMod">The stored mod record.</param>
public void SaveMod(ModRepositoryKey site, string id, ModInfoModel mod, out CachedMod cachedMod)
{
id = this.NormaliseId(id);
cachedMod = this.SaveMod(new CachedMod(site, id, mod));
}
/*********
** Private methods
*********/
/// <summary>Save data fetched for a mod.</summary>
/// <param name="mod">The mod data.</param>
public CachedMod SaveMod(CachedMod mod)
{
string id = this.NormaliseId(mod.ID);
this.Mods.ReplaceOne(
entry => entry.ID == id && entry.Site == mod.Site,
mod,
new UpdateOptions { IsUpsert = true }
);
return mod;
}
/// <summary>Normalise a mod ID for case-insensitive search.</summary>
/// <param name="id">The mod ID.</param>
public string NormaliseId(string id)
{
return id.Trim().ToLower();
}
}
}
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