| | | 1 | | #pragma warning disable CS1591 |
| | | 2 | | |
| | | 3 | | using System; |
| | | 4 | | using System.Collections.Generic; |
| | | 5 | | using System.Data; |
| | | 6 | | using System.Globalization; |
| | | 7 | | using Microsoft.Data.Sqlite; |
| | | 8 | | |
| | | 9 | | namespace Emby.Server.Implementations.Data |
| | | 10 | | { |
| | | 11 | | public static class SqliteExtensions |
| | | 12 | | { |
| | | 13 | | private const string DatetimeFormatUtc = "yyyy-MM-dd HH:mm:ss.FFFFFFFK"; |
| | | 14 | | private const string DatetimeFormatLocal = "yyyy-MM-dd HH:mm:ss.FFFFFFF"; |
| | | 15 | | |
| | | 16 | | /// <summary> |
| | | 17 | | /// An array of ISO-8601 DateTime formats that we support parsing. |
| | | 18 | | /// </summary> |
| | 0 | 19 | | private static readonly string[] _datetimeFormats = new string[] |
| | 0 | 20 | | { |
| | 0 | 21 | | "THHmmssK", |
| | 0 | 22 | | "THHmmK", |
| | 0 | 23 | | "HH:mm:ss.FFFFFFFK", |
| | 0 | 24 | | "HH:mm:ssK", |
| | 0 | 25 | | "HH:mmK", |
| | 0 | 26 | | DatetimeFormatUtc, |
| | 0 | 27 | | "yyyy-MM-dd HH:mm:ssK", |
| | 0 | 28 | | "yyyy-MM-dd HH:mmK", |
| | 0 | 29 | | "yyyy-MM-ddTHH:mm:ss.FFFFFFFK", |
| | 0 | 30 | | "yyyy-MM-ddTHH:mmK", |
| | 0 | 31 | | "yyyy-MM-ddTHH:mm:ssK", |
| | 0 | 32 | | "yyyyMMddHHmmssK", |
| | 0 | 33 | | "yyyyMMddHHmmK", |
| | 0 | 34 | | "yyyyMMddTHHmmssFFFFFFFK", |
| | 0 | 35 | | "THHmmss", |
| | 0 | 36 | | "THHmm", |
| | 0 | 37 | | "HH:mm:ss.FFFFFFF", |
| | 0 | 38 | | "HH:mm:ss", |
| | 0 | 39 | | "HH:mm", |
| | 0 | 40 | | DatetimeFormatLocal, |
| | 0 | 41 | | "yyyy-MM-dd HH:mm:ss", |
| | 0 | 42 | | "yyyy-MM-dd HH:mm", |
| | 0 | 43 | | "yyyy-MM-ddTHH:mm:ss.FFFFFFF", |
| | 0 | 44 | | "yyyy-MM-ddTHH:mm", |
| | 0 | 45 | | "yyyy-MM-ddTHH:mm:ss", |
| | 0 | 46 | | "yyyyMMddHHmmss", |
| | 0 | 47 | | "yyyyMMddHHmm", |
| | 0 | 48 | | "yyyyMMddTHHmmssFFFFFFF", |
| | 0 | 49 | | "yyyy-MM-dd", |
| | 0 | 50 | | "yyyyMMdd", |
| | 0 | 51 | | "yy-MM-dd" |
| | 0 | 52 | | }; |
| | | 53 | | |
| | | 54 | | public static IEnumerable<SqliteDataReader> Query(this SqliteConnection sqliteConnection, string commandText) |
| | | 55 | | { |
| | | 56 | | if (sqliteConnection.State != ConnectionState.Open) |
| | | 57 | | { |
| | | 58 | | sqliteConnection.Open(); |
| | | 59 | | } |
| | | 60 | | |
| | | 61 | | using var command = sqliteConnection.CreateCommand(); |
| | | 62 | | command.CommandText = commandText; |
| | | 63 | | using (var reader = command.ExecuteReader()) |
| | | 64 | | { |
| | | 65 | | while (reader.Read()) |
| | | 66 | | { |
| | | 67 | | yield return reader; |
| | | 68 | | } |
| | | 69 | | } |
| | | 70 | | } |
| | | 71 | | |
| | | 72 | | public static void Execute(this SqliteConnection sqliteConnection, string commandText) |
| | | 73 | | { |
| | 0 | 74 | | using var command = sqliteConnection.CreateCommand(); |
| | 0 | 75 | | command.CommandText = commandText; |
| | 0 | 76 | | command.ExecuteNonQuery(); |
| | 0 | 77 | | } |
| | | 78 | | |
| | | 79 | | public static string ToDateTimeParamValue(this DateTime dateValue) |
| | | 80 | | { |
| | 0 | 81 | | var kind = DateTimeKind.Utc; |
| | | 82 | | |
| | 0 | 83 | | return (dateValue.Kind == DateTimeKind.Unspecified) |
| | 0 | 84 | | ? DateTime.SpecifyKind(dateValue, kind).ToString( |
| | 0 | 85 | | GetDateTimeKindFormat(kind), |
| | 0 | 86 | | CultureInfo.InvariantCulture) |
| | 0 | 87 | | : dateValue.ToString( |
| | 0 | 88 | | GetDateTimeKindFormat(dateValue.Kind), |
| | 0 | 89 | | CultureInfo.InvariantCulture); |
| | | 90 | | } |
| | | 91 | | |
| | | 92 | | private static string GetDateTimeKindFormat(DateTimeKind kind) |
| | 0 | 93 | | => (kind == DateTimeKind.Utc) ? DatetimeFormatUtc : DatetimeFormatLocal; |
| | | 94 | | |
| | | 95 | | public static bool TryReadDateTime(this SqliteDataReader reader, int index, out DateTime result) |
| | | 96 | | { |
| | 0 | 97 | | if (reader.IsDBNull(index)) |
| | | 98 | | { |
| | 0 | 99 | | result = default; |
| | 0 | 100 | | return false; |
| | | 101 | | } |
| | | 102 | | |
| | 0 | 103 | | var dateText = reader.GetString(index); |
| | | 104 | | |
| | 0 | 105 | | if (DateTime.TryParseExact(dateText, _datetimeFormats, DateTimeFormatInfo.InvariantInfo, DateTimeStyles.Adju |
| | | 106 | | { |
| | | 107 | | // If the resulting DateTimeKind is Unspecified it is actually Utc. |
| | | 108 | | // This is required downstream for the Json serializer. |
| | 0 | 109 | | if (dateTimeResult.Kind == DateTimeKind.Unspecified) |
| | | 110 | | { |
| | 0 | 111 | | dateTimeResult = DateTime.SpecifyKind(dateTimeResult, DateTimeKind.Utc); |
| | | 112 | | } |
| | | 113 | | |
| | 0 | 114 | | result = dateTimeResult; |
| | 0 | 115 | | return true; |
| | | 116 | | } |
| | | 117 | | |
| | 0 | 118 | | result = default; |
| | 0 | 119 | | return false; |
| | | 120 | | } |
| | | 121 | | |
| | | 122 | | public static bool TryGetGuid(this SqliteDataReader reader, int index, out Guid result) |
| | | 123 | | { |
| | 0 | 124 | | if (reader.IsDBNull(index)) |
| | | 125 | | { |
| | 0 | 126 | | result = default; |
| | 0 | 127 | | return false; |
| | | 128 | | } |
| | | 129 | | |
| | | 130 | | try |
| | | 131 | | { |
| | 0 | 132 | | result = reader.GetGuid(index); |
| | 0 | 133 | | return true; |
| | | 134 | | } |
| | 0 | 135 | | catch |
| | | 136 | | { |
| | 0 | 137 | | result = Guid.Empty; |
| | 0 | 138 | | return false; |
| | | 139 | | } |
| | 0 | 140 | | } |
| | | 141 | | |
| | | 142 | | public static bool TryGetString(this SqliteDataReader reader, int index, out string result) |
| | | 143 | | { |
| | 0 | 144 | | result = string.Empty; |
| | | 145 | | |
| | 0 | 146 | | if (reader.IsDBNull(index)) |
| | | 147 | | { |
| | 0 | 148 | | return false; |
| | | 149 | | } |
| | | 150 | | |
| | 0 | 151 | | result = reader.GetString(index); |
| | 0 | 152 | | return true; |
| | | 153 | | } |
| | | 154 | | |
| | | 155 | | public static bool TryGetBoolean(this SqliteDataReader reader, int index, out bool result) |
| | | 156 | | { |
| | 0 | 157 | | if (reader.IsDBNull(index)) |
| | | 158 | | { |
| | 0 | 159 | | result = default; |
| | 0 | 160 | | return false; |
| | | 161 | | } |
| | | 162 | | |
| | 0 | 163 | | result = reader.GetBoolean(index); |
| | 0 | 164 | | return true; |
| | | 165 | | } |
| | | 166 | | |
| | | 167 | | public static bool TryGetInt32(this SqliteDataReader reader, int index, out int result) |
| | | 168 | | { |
| | 0 | 169 | | if (reader.IsDBNull(index)) |
| | | 170 | | { |
| | 0 | 171 | | result = default; |
| | 0 | 172 | | return false; |
| | | 173 | | } |
| | | 174 | | |
| | 0 | 175 | | result = reader.GetInt32(index); |
| | 0 | 176 | | return true; |
| | | 177 | | } |
| | | 178 | | |
| | | 179 | | public static bool TryGetInt64(this SqliteDataReader reader, int index, out long result) |
| | | 180 | | { |
| | 0 | 181 | | if (reader.IsDBNull(index)) |
| | | 182 | | { |
| | 0 | 183 | | result = default; |
| | 0 | 184 | | return false; |
| | | 185 | | } |
| | | 186 | | |
| | 0 | 187 | | result = reader.GetInt64(index); |
| | 0 | 188 | | return true; |
| | | 189 | | } |
| | | 190 | | |
| | | 191 | | public static bool TryGetSingle(this SqliteDataReader reader, int index, out float result) |
| | | 192 | | { |
| | 0 | 193 | | if (reader.IsDBNull(index)) |
| | | 194 | | { |
| | 0 | 195 | | result = default; |
| | 0 | 196 | | return false; |
| | | 197 | | } |
| | | 198 | | |
| | 0 | 199 | | result = reader.GetFloat(index); |
| | 0 | 200 | | return true; |
| | | 201 | | } |
| | | 202 | | |
| | | 203 | | public static bool TryGetDouble(this SqliteDataReader reader, int index, out double result) |
| | | 204 | | { |
| | 0 | 205 | | if (reader.IsDBNull(index)) |
| | | 206 | | { |
| | 0 | 207 | | result = default; |
| | 0 | 208 | | return false; |
| | | 209 | | } |
| | | 210 | | |
| | 0 | 211 | | result = reader.GetDouble(index); |
| | 0 | 212 | | return true; |
| | | 213 | | } |
| | | 214 | | |
| | | 215 | | public static void TryBind(this SqliteCommand statement, string name, Guid value) |
| | | 216 | | { |
| | 0 | 217 | | statement.TryBind(name, value, true); |
| | 0 | 218 | | } |
| | | 219 | | |
| | | 220 | | public static void TryBind(this SqliteCommand statement, string name, object? value, bool isBlob = false) |
| | | 221 | | { |
| | 0 | 222 | | var preparedValue = value ?? DBNull.Value; |
| | 0 | 223 | | if (statement.Parameters.Contains(name)) |
| | | 224 | | { |
| | 0 | 225 | | statement.Parameters[name].Value = preparedValue; |
| | | 226 | | } |
| | | 227 | | else |
| | | 228 | | { |
| | | 229 | | // Blobs aren't always detected automatically |
| | 0 | 230 | | if (isBlob) |
| | | 231 | | { |
| | 0 | 232 | | statement.Parameters.Add(new SqliteParameter(name, SqliteType.Blob) { Value = value }); |
| | | 233 | | } |
| | | 234 | | else |
| | | 235 | | { |
| | 0 | 236 | | statement.Parameters.AddWithValue(name, preparedValue); |
| | | 237 | | } |
| | | 238 | | } |
| | 0 | 239 | | } |
| | | 240 | | |
| | | 241 | | public static void TryBindNull(this SqliteCommand statement, string name) |
| | | 242 | | { |
| | 0 | 243 | | statement.TryBind(name, DBNull.Value); |
| | 0 | 244 | | } |
| | | 245 | | |
| | | 246 | | public static IEnumerable<SqliteDataReader> ExecuteQuery(this SqliteCommand command) |
| | | 247 | | { |
| | | 248 | | using (var reader = command.ExecuteReader()) |
| | | 249 | | { |
| | | 250 | | while (reader.Read()) |
| | | 251 | | { |
| | | 252 | | yield return reader; |
| | | 253 | | } |
| | | 254 | | } |
| | | 255 | | } |
| | | 256 | | |
| | | 257 | | public static int SelectScalarInt(this SqliteCommand command) |
| | | 258 | | { |
| | 0 | 259 | | var result = command.ExecuteScalar(); |
| | | 260 | | // Can't be null since the method is used to retrieve Count |
| | 0 | 261 | | return Convert.ToInt32(result!, CultureInfo.InvariantCulture); |
| | | 262 | | } |
| | | 263 | | |
| | | 264 | | public static SqliteCommand PrepareStatement(this SqliteConnection sqliteConnection, string sql) |
| | | 265 | | { |
| | 0 | 266 | | var command = sqliteConnection.CreateCommand(); |
| | 0 | 267 | | command.CommandText = sql; |
| | 0 | 268 | | return command; |
| | | 269 | | } |
| | | 270 | | } |
| | | 271 | | } |