| | | 1 | | using System.Text; |
| | | 2 | | using Microsoft.CodeAnalysis; |
| | | 3 | | |
| | | 4 | | namespace TeleFlow.Generators; |
| | | 5 | | |
| | | 6 | | internal enum TelegramHandlerMetadataRouteKind |
| | | 7 | | { |
| | | 8 | | Command, |
| | | 9 | | Message, |
| | | 10 | | Callback, |
| | | 11 | | ChatMember |
| | | 12 | | } |
| | | 13 | | |
| | | 14 | | internal enum TelegramBuiltInFilterTarget |
| | | 15 | | { |
| | | 16 | | Message, |
| | | 17 | | Callback, |
| | | 18 | | Chat, |
| | | 19 | | MessageThread, |
| | | 20 | | SenderUser, |
| | | 21 | | SenderChat |
| | | 22 | | } |
| | | 23 | | |
| | | 24 | | internal sealed record TelegramBuiltInFilterSpec( |
| | | 25 | | string AttributeMetadataName, |
| | | 26 | | string GeneratedKind, |
| | | 27 | | TelegramBuiltInFilterTarget Target, |
| | | 28 | | bool IsMarker); |
| | | 29 | | |
| | | 30 | | internal static class TelegramChatTypeFacts |
| | | 31 | | { |
| | | 32 | | public static bool IsKnown(int value) |
| | | 33 | | { |
| | 5 | 34 | | return value is >= 0 and <= 3; |
| | | 35 | | } |
| | | 36 | | |
| | | 37 | | public static bool TryMapToTelegramValue(int value, out string telegramValue) |
| | | 38 | | { |
| | | 39 | | switch (value) |
| | | 40 | | { |
| | | 41 | | case 0: |
| | 3 | 42 | | telegramValue = "private"; |
| | 3 | 43 | | return true; |
| | | 44 | | case 1: |
| | 1 | 45 | | telegramValue = "group"; |
| | 1 | 46 | | return true; |
| | | 47 | | case 2: |
| | 1 | 48 | | telegramValue = "supergroup"; |
| | 1 | 49 | | return true; |
| | | 50 | | case 3: |
| | 2 | 51 | | telegramValue = "channel"; |
| | 2 | 52 | | return true; |
| | | 53 | | default: |
| | 0 | 54 | | telegramValue = string.Empty; |
| | 0 | 55 | | return false; |
| | | 56 | | } |
| | | 57 | | } |
| | | 58 | | } |
| | | 59 | | |
| | | 60 | | internal static class TelegramMemberStatusFacts |
| | | 61 | | { |
| | | 62 | | public const int Creator = 1 << 0; |
| | | 63 | | public const int Administrator = 1 << 1; |
| | | 64 | | public const int Member = 1 << 2; |
| | | 65 | | public const int RestrictedMember = 1 << 3; |
| | | 66 | | public const int RestrictedNotMember = 1 << 4; |
| | | 67 | | public const int Left = 1 << 5; |
| | | 68 | | public const int Banned = 1 << 6; |
| | | 69 | | public const int IsAdmin = Creator | Administrator; |
| | | 70 | | public const int IsMember = Creator | Administrator | Member | RestrictedMember; |
| | | 71 | | public const int IsNotMember = Left | Banned | RestrictedNotMember; |
| | | 72 | | public const int Any = |
| | | 73 | | Creator | |
| | | 74 | | Administrator | |
| | | 75 | | Member | |
| | | 76 | | RestrictedMember | |
| | | 77 | | RestrictedNotMember | |
| | | 78 | | Left | |
| | | 79 | | Banned; |
| | | 80 | | |
| | | 81 | | private const int PromotedOldStatus = |
| | | 82 | | Member | |
| | | 83 | | RestrictedMember | |
| | | 84 | | RestrictedNotMember | |
| | | 85 | | Left | |
| | | 86 | | Banned; |
| | | 87 | | |
| | | 88 | | public static bool IsValid(int value) |
| | | 89 | | { |
| | | 90 | | return value != 0 && (value & ~Any) == 0; |
| | | 91 | | } |
| | | 92 | | |
| | | 93 | | public static bool TryMapTransition( |
| | | 94 | | int transition, |
| | | 95 | | out int oldStatus, |
| | | 96 | | out int newStatus) |
| | | 97 | | { |
| | | 98 | | switch (transition) |
| | | 99 | | { |
| | | 100 | | case 0: |
| | | 101 | | oldStatus = IsNotMember; |
| | | 102 | | newStatus = IsMember; |
| | | 103 | | return true; |
| | | 104 | | case 1: |
| | | 105 | | oldStatus = IsMember; |
| | | 106 | | newStatus = IsNotMember; |
| | | 107 | | return true; |
| | | 108 | | case 2: |
| | | 109 | | oldStatus = PromotedOldStatus; |
| | | 110 | | newStatus = IsAdmin; |
| | | 111 | | return true; |
| | | 112 | | case 3: |
| | | 113 | | oldStatus = IsAdmin; |
| | | 114 | | newStatus = PromotedOldStatus; |
| | | 115 | | return true; |
| | | 116 | | default: |
| | | 117 | | oldStatus = 0; |
| | | 118 | | newStatus = 0; |
| | | 119 | | return false; |
| | | 120 | | } |
| | | 121 | | } |
| | | 122 | | |
| | | 123 | | public static bool TryGetRoleRequirementMask( |
| | | 124 | | AttributeData attribute, |
| | | 125 | | out int allowedStatuses) |
| | | 126 | | { |
| | | 127 | | allowedStatuses = 0; |
| | | 128 | | |
| | | 129 | | if (attribute.ConstructorArguments.Length == 0) |
| | | 130 | | { |
| | | 131 | | return false; |
| | | 132 | | } |
| | | 133 | | |
| | | 134 | | TypedConstant argument = attribute.ConstructorArguments[0]; |
| | | 135 | | |
| | | 136 | | if (argument.Kind == TypedConstantKind.Array) |
| | | 137 | | { |
| | | 138 | | foreach (TypedConstant value in argument.Values) |
| | | 139 | | { |
| | | 140 | | if (value.Value is not int status) |
| | | 141 | | { |
| | | 142 | | return false; |
| | | 143 | | } |
| | | 144 | | |
| | | 145 | | allowedStatuses |= status; |
| | | 146 | | } |
| | | 147 | | |
| | | 148 | | return true; |
| | | 149 | | } |
| | | 150 | | |
| | | 151 | | if (argument.Value is int singleStatus) |
| | | 152 | | { |
| | | 153 | | allowedStatuses = singleStatus; |
| | | 154 | | return true; |
| | | 155 | | } |
| | | 156 | | |
| | | 157 | | return false; |
| | | 158 | | } |
| | | 159 | | } |
| | | 160 | | |
| | | 161 | | internal static class TelegramCallbackDataFacts |
| | | 162 | | { |
| | | 163 | | public const int MaxCallbackDataBytes = 64; |
| | | 164 | | |
| | | 165 | | public static bool IsValidPayloadPrefix(string? prefix) |
| | | 166 | | { |
| | | 167 | | return prefix is not null && |
| | | 168 | | !string.IsNullOrWhiteSpace(prefix) && |
| | | 169 | | prefix.IndexOf(':') < 0 && |
| | | 170 | | prefix.IndexOf('%') < 0 && |
| | | 171 | | !prefix.Any(char.IsWhiteSpace) && |
| | | 172 | | Encoding.UTF8.GetByteCount(prefix) <= MaxCallbackDataBytes; |
| | | 173 | | } |
| | | 174 | | |
| | | 175 | | public static bool IsSupportedFieldType(ITypeSymbol type) |
| | | 176 | | { |
| | | 177 | | return type.SpecialType is SpecialType.System_String or |
| | | 178 | | SpecialType.System_Int32 or |
| | | 179 | | SpecialType.System_Int64 or |
| | | 180 | | SpecialType.System_Boolean || |
| | | 181 | | type.TypeKind == TypeKind.Enum; |
| | | 182 | | } |
| | | 183 | | } |
| | | 184 | | |
| | | 185 | | internal static class TelegramBuiltInFilterFacts |
| | | 186 | | { |
| | | 187 | | public static IReadOnlyList<TelegramBuiltInFilterSpec> All { get; } = new TelegramBuiltInFilterSpec[] |
| | | 188 | | { |
| | | 189 | | new(TelegramHandlerSymbols.ChatTypeAttribute, "ChatType", TelegramBuiltInFilterTarget.Chat, IsMarker: false), |
| | | 190 | | new(TelegramHandlerSymbols.SenderChatTypeAttribute, "SenderChatType", TelegramBuiltInFilterTarget.SenderChat, Is |
| | | 191 | | new(TelegramHandlerSymbols.ChatIdAttribute, "ChatId", TelegramBuiltInFilterTarget.Chat, IsMarker: false), |
| | | 192 | | new(TelegramHandlerSymbols.ChatUsernameAttribute, "ChatUsername", TelegramBuiltInFilterTarget.Chat, IsMarker: fa |
| | | 193 | | new(TelegramHandlerSymbols.FromUserAttribute, "FromUser", TelegramBuiltInFilterTarget.SenderUser, IsMarker: fals |
| | | 194 | | new(TelegramHandlerSymbols.HasTextAttribute, "HasText", TelegramBuiltInFilterTarget.Message, IsMarker: true), |
| | | 195 | | new(TelegramHandlerSymbols.HasPhotoAttribute, "HasPhoto", TelegramBuiltInFilterTarget.Message, IsMarker: true), |
| | | 196 | | new(TelegramHandlerSymbols.HasDocumentAttribute, "HasDocument", TelegramBuiltInFilterTarget.Message, IsMarker: t |
| | | 197 | | new(TelegramHandlerSymbols.HasCaptionAttribute, "HasCaption", TelegramBuiltInFilterTarget.Message, IsMarker: tru |
| | | 198 | | new(TelegramHandlerSymbols.HasVideoAttribute, "HasVideo", TelegramBuiltInFilterTarget.Message, IsMarker: true), |
| | | 199 | | new(TelegramHandlerSymbols.HasAnimationAttribute, "HasAnimation", TelegramBuiltInFilterTarget.Message, IsMarker: |
| | | 200 | | new(TelegramHandlerSymbols.HasAudioAttribute, "HasAudio", TelegramBuiltInFilterTarget.Message, IsMarker: true), |
| | | 201 | | new(TelegramHandlerSymbols.HasVoiceAttribute, "HasVoice", TelegramBuiltInFilterTarget.Message, IsMarker: true), |
| | | 202 | | new(TelegramHandlerSymbols.HasVideoNoteAttribute, "HasVideoNote", TelegramBuiltInFilterTarget.Message, IsMarker: |
| | | 203 | | new(TelegramHandlerSymbols.HasStickerAttribute, "HasSticker", TelegramBuiltInFilterTarget.Message, IsMarker: tru |
| | | 204 | | new(TelegramHandlerSymbols.HasContactAttribute, "HasContact", TelegramBuiltInFilterTarget.Message, IsMarker: tru |
| | | 205 | | new(TelegramHandlerSymbols.HasLocationAttribute, "HasLocation", TelegramBuiltInFilterTarget.Message, IsMarker: t |
| | | 206 | | new(TelegramHandlerSymbols.HasVenueAttribute, "HasVenue", TelegramBuiltInFilterTarget.Message, IsMarker: true), |
| | | 207 | | new(TelegramHandlerSymbols.HasPollAttribute, "HasPoll", TelegramBuiltInFilterTarget.Message, IsMarker: true), |
| | | 208 | | new(TelegramHandlerSymbols.HasDiceAttribute, "HasDice", TelegramBuiltInFilterTarget.Message, IsMarker: true), |
| | | 209 | | new(TelegramHandlerSymbols.FromBotAttribute, "FromBot", TelegramBuiltInFilterTarget.SenderUser, IsMarker: false) |
| | | 210 | | new(TelegramHandlerSymbols.FromPremiumUserAttribute, "FromPremiumUser", TelegramBuiltInFilterTarget.SenderUser, |
| | | 211 | | new(TelegramHandlerSymbols.IsReplyAttribute, "IsReply", TelegramBuiltInFilterTarget.Message, IsMarker: true), |
| | | 212 | | new(TelegramHandlerSymbols.ReplyToBotAttribute, "ReplyToBot", TelegramBuiltInFilterTarget.Message, IsMarker: tru |
| | | 213 | | new(TelegramHandlerSymbols.MessageThreadIdAttribute, "MessageThreadId", TelegramBuiltInFilterTarget.MessageThrea |
| | | 214 | | new(TelegramHandlerSymbols.HasMessageThreadAttribute, "HasMessageThread", TelegramBuiltInFilterTarget.MessageThr |
| | | 215 | | new(TelegramHandlerSymbols.HasCallbackDataAttribute, "HasCallbackData", TelegramBuiltInFilterTarget.Callback, Is |
| | | 216 | | new(TelegramHandlerSymbols.CallbackDataPrefixAttribute, "CallbackDataPrefix", TelegramBuiltInFilterTarget.Callba |
| | | 217 | | }; |
| | | 218 | | |
| | | 219 | | public static IEnumerable<TelegramBuiltInFilterSpec> MarkerSpecs |
| | | 220 | | { |
| | | 221 | | get |
| | | 222 | | { |
| | | 223 | | return All.Where(static spec => spec.IsMarker); |
| | | 224 | | } |
| | | 225 | | } |
| | | 226 | | |
| | | 227 | | public static IEnumerable<AttributeData> GetAttributes(ISymbol symbol) |
| | | 228 | | { |
| | | 229 | | foreach (TelegramBuiltInFilterSpec spec in All) |
| | | 230 | | { |
| | | 231 | | foreach (AttributeData attribute in TelegramHandlerSymbols.GetAttributes( |
| | | 232 | | symbol, |
| | | 233 | | spec.AttributeMetadataName, |
| | | 234 | | inherit: true)) |
| | | 235 | | { |
| | | 236 | | yield return attribute; |
| | | 237 | | } |
| | | 238 | | } |
| | | 239 | | } |
| | | 240 | | |
| | | 241 | | public static bool TryGetSpec( |
| | | 242 | | AttributeData attribute, |
| | | 243 | | out TelegramBuiltInFilterSpec spec) |
| | | 244 | | { |
| | | 245 | | foreach (TelegramBuiltInFilterSpec candidate in All) |
| | | 246 | | { |
| | | 247 | | if (TelegramHandlerSymbols.IsAttribute(attribute, candidate.AttributeMetadataName)) |
| | | 248 | | { |
| | | 249 | | spec = candidate; |
| | | 250 | | return true; |
| | | 251 | | } |
| | | 252 | | } |
| | | 253 | | |
| | | 254 | | spec = null!; |
| | | 255 | | return false; |
| | | 256 | | } |
| | | 257 | | |
| | | 258 | | public static bool TryGetSpecByGeneratedKind( |
| | | 259 | | string generatedKind, |
| | | 260 | | out TelegramBuiltInFilterSpec spec) |
| | | 261 | | { |
| | | 262 | | foreach (TelegramBuiltInFilterSpec candidate in All) |
| | | 263 | | { |
| | | 264 | | if (string.Equals(candidate.GeneratedKind, generatedKind, StringComparison.Ordinal)) |
| | | 265 | | { |
| | | 266 | | spec = candidate; |
| | | 267 | | return true; |
| | | 268 | | } |
| | | 269 | | } |
| | | 270 | | |
| | | 271 | | spec = null!; |
| | | 272 | | return false; |
| | | 273 | | } |
| | | 274 | | |
| | | 275 | | public static bool SupportsRouteKind( |
| | | 276 | | TelegramBuiltInFilterTarget target, |
| | | 277 | | TelegramHandlerMetadataRouteKind routeKind) |
| | | 278 | | { |
| | | 279 | | return target switch |
| | | 280 | | { |
| | | 281 | | TelegramBuiltInFilterTarget.Chat => true, |
| | | 282 | | TelegramBuiltInFilterTarget.MessageThread => routeKind is TelegramHandlerMetadataRouteKind.Command or |
| | | 283 | | TelegramHandlerMetadataRouteKind.Message or |
| | | 284 | | TelegramHandlerMetadataRouteKind.Callback, |
| | | 285 | | TelegramBuiltInFilterTarget.Message => routeKind is TelegramHandlerMetadataRouteKind.Command or |
| | | 286 | | TelegramHandlerMetadataRouteKind.Message, |
| | | 287 | | TelegramBuiltInFilterTarget.SenderUser => routeKind is TelegramHandlerMetadataRouteKind.Command or |
| | | 288 | | TelegramHandlerMetadataRouteKind.Message or |
| | | 289 | | TelegramHandlerMetadataRouteKind.Callback, |
| | | 290 | | TelegramBuiltInFilterTarget.SenderChat => routeKind is TelegramHandlerMetadataRouteKind.Command or |
| | | 291 | | TelegramHandlerMetadataRouteKind.Message, |
| | | 292 | | TelegramBuiltInFilterTarget.Callback => routeKind == TelegramHandlerMetadataRouteKind.Callback, |
| | | 293 | | _ => false |
| | | 294 | | }; |
| | | 295 | | } |
| | | 296 | | |
| | | 297 | | public static string GetInvalidFilterMessage( |
| | | 298 | | TelegramBuiltInFilterTarget target, |
| | | 299 | | TelegramHandlerMetadataRouteKind routeKind) |
| | | 300 | | { |
| | | 301 | | string routeName = routeKind switch |
| | | 302 | | { |
| | | 303 | | TelegramHandlerMetadataRouteKind.Callback => "callback", |
| | | 304 | | TelegramHandlerMetadataRouteKind.ChatMember => "chat member update", |
| | | 305 | | _ => "message" |
| | | 306 | | }; |
| | | 307 | | |
| | | 308 | | return target switch |
| | | 309 | | { |
| | | 310 | | TelegramBuiltInFilterTarget.Chat => $"Chat filters cannot be used on {routeName} handlers.", |
| | | 311 | | TelegramBuiltInFilterTarget.MessageThread => $"Message thread filters cannot be used on {routeName} handlers |
| | | 312 | | TelegramBuiltInFilterTarget.Message => $"Message filters cannot be used on {routeName} handlers.", |
| | | 313 | | TelegramBuiltInFilterTarget.SenderUser => $"Sender user filters cannot be used on {routeName} handlers.", |
| | | 314 | | TelegramBuiltInFilterTarget.SenderChat => $"Sender chat filters cannot be used on {routeName} handlers.", |
| | | 315 | | TelegramBuiltInFilterTarget.Callback => $"Callback filters cannot be used on {routeName} handlers.", |
| | | 316 | | _ => $"Telegram filter cannot be used on {routeName} handlers." |
| | | 317 | | }; |
| | | 318 | | } |
| | | 319 | | } |