104 lines
3.7 KiB
C#

using LocationsApi.Models;
using MongoDB.Bson;
using MongoDB.Driver;
namespace LocationsApi.Services;
public class LocationStore
{
private readonly IMongoCollection<Location> _col;
public LocationStore(IConfiguration cfg)
{
var cs = cfg["MongoDB:ConnectionString"] ?? "mongodb://127.0.0.1:27017";
var dbName = cfg["MongoDB:DatabaseName"] ?? "GameDb";
var client = new MongoClient(cs);
var db = client.GetDatabase(dbName);
var collectionName = "Locations";
EnsureLocationSchema(db, collectionName);
_col = db.GetCollection<Location>(collectionName);
var coordIndex = Builders<Location>.IndexKeys
.Ascending(l => l.Coord.X)
.Ascending(l => l.Coord.Y);
var coordIndexOptions = new CreateIndexOptions { Unique = true };
_col.Indexes.CreateOne(new CreateIndexModel<Location>(coordIndex, coordIndexOptions));
}
private static void EnsureLocationSchema(IMongoDatabase db, string collectionName)
{
var validator = new BsonDocument
{
{
"$jsonSchema", new BsonDocument
{
{ "bsonType", "object" },
{ "required", new BsonArray { "name", "coord", "createdUtc" } },
{
"properties", new BsonDocument
{
{ "name", new BsonDocument { { "bsonType", "string" } } },
{
"coord", new BsonDocument
{
{ "bsonType", "object" },
{ "required", new BsonArray { "x", "y" } },
{
"properties", new BsonDocument
{
{ "x", new BsonDocument { { "bsonType", "int" } } },
{ "y", new BsonDocument { { "bsonType", "int" } } }
}
}
}
},
{ "createdUtc", new BsonDocument { { "bsonType", "date" } } }
}
}
}
}
};
var options = new CreateCollectionOptions
{
Validator = new BsonDocumentFilterDefinition<BsonDocument>(validator),
ValidationAction = DocumentValidationAction.Error
};
var collections = db.ListCollectionNames().ToList();
if (!collections.Contains(collectionName))
{
db.CreateCollection(collectionName, options);
return;
}
var command = new BsonDocument
{
{ "collMod", collectionName },
{ "validator", validator },
{ "validationAction", "error" }
};
db.RunCommand<BsonDocument>(command);
}
public Task CreateAsync(Location location) => _col.InsertOneAsync(location);
public Task<List<Location>> GetAllAsync() =>
_col.Find(Builders<Location>.Filter.Empty).ToListAsync();
public async Task<bool> DeleteAsync(string id)
{
var filter = Builders<Location>.Filter.Eq(l => l.Id, id);
var result = await _col.DeleteOneAsync(filter);
return result.DeletedCount > 0;
}
public async Task<bool> UpdateNameAsync(string id, string name)
{
var filter = Builders<Location>.Filter.Eq(l => l.Id, id);
var update = Builders<Location>.Update.Set(l => l.Name, name);
var result = await _col.UpdateOneAsync(filter, update);
return result.ModifiedCount > 0;
}
}