Showing the changes to apps/server/src/git/Layers/OpenCodeTextGeneration.ts (1 of 52 files). Show all
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| 1 | +import { Duration, Effect, Exit, Fiber, Layer, Schema, Scope } from "effect"; | |
| 2 | +import * as Semaphore from "effect/Semaphore"; | |
| 3 | + | |
| 4 | +import { | |
| 5 | + TextGenerationError, | |
| 6 | + type ChatAttachment, | |
| 7 | + type OpenCodeModelSelection, | |
| 8 | +} from "@t3tools/contracts"; | |
| 9 | +import { sanitizeBranchFragment, sanitizeFeatureBranchName } from "@t3tools/shared/git"; | |
| 10 | + | |
| 11 | +import { ServerConfig } from "../../config.ts"; | |
| 12 | +import { resolveAttachmentPath } from "../../attachmentStore.ts"; | |
| 13 | +import { ServerSettingsService } from "../../serverSettings.ts"; | |
| 14 | +import { | |
| 15 | + buildBranchNamePrompt, | |
| 16 | + buildCommitMessagePrompt, | |
| 17 | + buildPrContentPrompt, | |
| 18 | + buildThreadTitlePrompt, | |
| 19 | +} from "../Prompts.ts"; | |
| 20 | +import { type TextGenerationShape, TextGeneration } from "../Services/TextGeneration.ts"; | |
| 21 | +import { | |
| 22 | + sanitizeCommitSubject, | |
| 23 | + sanitizePrTitle, | |
| 24 | + sanitizeThreadTitle, | |
| 25 | + toJsonSchemaObject, | |
| 26 | +} from "../Utils.ts"; | |
| 27 | +import { | |
| 28 | + createOpenCodeSdkClient, | |
| 29 | + type OpenCodeServerConnection, | |
| 30 | + type OpenCodeServerProcess, | |
| 31 | + parseOpenCodeModelSlug, | |
| 32 | + startOpenCodeServerProcess, | |
| 33 | + toOpenCodeFileParts, | |
| 34 | +} from "../../provider/opencodeRuntime.ts"; | |
| 35 | + | |
| 36 | +const OPENCODE_TEXT_GENERATION_IDLE_TTL_MS = 30_000; | |
| 37 | + | |
| 38 | +interface SharedOpenCodeTextGenerationServerState { | |
| 39 | + server: OpenCodeServerProcess | null; | |
| 40 | + binaryPath: string | null; | |
| 41 | + activeRequests: number; | |
| 42 | + idleCloseFiber: Fiber.Fiber<void, never> | null; | |
| 43 | +} | |
| 44 | + | |
| 45 | +const makeOpenCodeTextGeneration = Effect.gen(function* () { | |
| 46 | + const serverConfig = yield* ServerConfig; | |
| 47 | + const serverSettingsService = yield* ServerSettingsService; | |
| 48 | + const idleFiberScope = yield* Effect.acquireRelease(Scope.make(), (scope) => | |
| 49 | + Scope.close(scope, Exit.void), | |
| 50 | + ); | |
| 51 | + const sharedServerMutex = yield* Semaphore.make(1); | |
| 52 | + const sharedServerState: SharedOpenCodeTextGenerationServerState = { | |
| 53 | + server: null, | |
| 54 | + binaryPath: null, | |
| 55 | + activeRequests: 0, | |
| 56 | + idleCloseFiber: null, | |
| 57 | + }; | |
| 58 | + | |
| 59 | + const closeSharedServer = (server: OpenCodeServerProcess) => { | |
| 60 | + if (sharedServerState.server === server) { | |
| 61 | + sharedServerState.server = null; | |
| 62 | + sharedServerState.binaryPath = null; | |
| 63 | + } | |
| 64 | + server.close(); | |
| 65 | + }; | |
| 66 | + | |
| 67 | + const cancelIdleCloseFiber = Effect.fn("cancelIdleCloseFiber")(function* () { | |
| 68 | + const idleCloseFiber = sharedServerState.idleCloseFiber; | |
| 69 | + sharedServerState.idleCloseFiber = null; | |
| 70 | + if (idleCloseFiber !== null) { | |
| 71 | + yield* Fiber.interrupt(idleCloseFiber).pipe(Effect.ignore); | |
| 72 | + } | |
| 73 | + }); | |
| 74 | + | |
| 75 | + const scheduleIdleClose = Effect.fn("scheduleIdleClose")(function* ( | |
| 76 | + server: OpenCodeServerProcess, | |
| 77 | + ) { | |
| 78 | + yield* cancelIdleCloseFiber(); | |
| 79 | + const fiber = yield* Effect.sleep(Duration.millis(OPENCODE_TEXT_GENERATION_IDLE_TTL_MS)).pipe( | |
| 80 | + Effect.andThen( | |
| 81 | + sharedServerMutex.withPermit( | |
| 82 | + Effect.sync(() => { | |
| 83 | + if (sharedServerState.server !== server || sharedServerState.activeRequests > 0) { | |
| 84 | + return; | |
| 85 | + } | |
| 86 | + sharedServerState.idleCloseFiber = null; | |
| 87 | + closeSharedServer(server); | |
| 88 | + }), | |
| 89 | + ), | |
| 90 | + ), | |
| 91 | + Effect.forkIn(idleFiberScope), | |
| 92 | + ); | |
| 93 | + sharedServerState.idleCloseFiber = fiber; | |
| 94 | + }); | |
| 95 | + | |
| 96 | + const acquireSharedServer = (input: { | |
| 97 | + readonly binaryPath: string; | |
| 98 | + readonly operation: | |
| 99 | + | "generateCommitMessage" | |
| 100 | + | "generatePrContent" | |
| 101 | + | "generateBranchName" | |
| 102 | + | "generateThreadTitle"; | |
| 103 | + }) => | |
| 104 | + sharedServerMutex.withPermit( | |
| 105 | + Effect.gen(function* () { | |
| 106 | + yield* cancelIdleCloseFiber(); | |
| 107 | + | |
| 108 | + const existingServer = sharedServerState.server; | |
| 109 | + if (existingServer !== null) { | |
| 110 | + if ( | |
| 111 | + sharedServerState.binaryPath !== input.binaryPath && | |
| 112 | + sharedServerState.activeRequests === 0 | |
| 113 | + ) { | |
| 114 | + closeSharedServer(existingServer); | |
| 115 | + } else { | |
| 116 | + if (sharedServerState.binaryPath !== input.binaryPath) { | |
| 117 | + yield* Effect.logWarning( | |
| 118 | + "OpenCode shared server binary path mismatch: requested " + | |
| 119 | + input.binaryPath + | |
| 120 | + " but active server uses " + | |
| 121 | + sharedServerState.binaryPath + | |
| 122 | + "; reusing existing server because there are active requests", | |
| 123 | + ); | |
| 124 | + } | |
| 125 | + sharedServerState.activeRequests += 1; | |
| 126 | + return existingServer; | |
| 127 | + } | |
| 128 | + } | |
| 129 | + | |
| 130 | + const server = yield* Effect.tryPromise({ | |
| 131 | + try: () => startOpenCodeServerProcess({ binaryPath: input.binaryPath }), | |
| 132 | + catch: (cause) => | |
| 133 | + new TextGenerationError({ | |
| 134 | + operation: input.operation, | |
| 135 | + detail: cause instanceof Error ? cause.message : "Failed to start OpenCode server.", | |
| 136 | + cause, | |
| 137 | + }), | |
| 138 | + }); | |
| 139 | + | |
| 140 | + sharedServerState.server = server; | |
| 141 | + sharedServerState.binaryPath = input.binaryPath; | |
| 142 | + sharedServerState.activeRequests = 1; | |
| 143 | + return server; | |
| 144 | + }), | |
| 145 | + ); | |
| 146 | + | |
| 147 | + const releaseSharedServer = (server: OpenCodeServerProcess) => | |
| 148 | + sharedServerMutex.withPermit( | |
| 149 | + Effect.gen(function* () { | |
| 150 | + if (sharedServerState.server !== server) { | |
| 151 | + return; | |
| 152 | + } | |
| 153 | + sharedServerState.activeRequests = Math.max(0, sharedServerState.activeRequests - 1); | |
| 154 | + if (sharedServerState.activeRequests === 0) { | |
| 155 | + yield* scheduleIdleClose(server); | |
| 156 | + } | |
| 157 | + }), | |
| 158 | + ); | |
| 159 | + | |
| 160 | + yield* Effect.addFinalizer(() => | |
| 161 | + sharedServerMutex.withPermit( | |
| 162 | + Effect.gen(function* () { | |
| 163 | + yield* cancelIdleCloseFiber(); | |
| 164 | + const server = sharedServerState.server; | |
| 165 | + sharedServerState.server = null; | |
| 166 | + sharedServerState.binaryPath = null; | |
| 167 | + sharedServerState.activeRequests = 0; | |
| 168 | + if (server !== null) { | |
| 169 | + server.close(); | |
| 170 | + } | |
| 171 | + }), | |
| 172 | + ), | |
| 173 | + ); | |
| 174 | + | |
| 175 | + const runOpenCodeJson = Effect.fn("runOpenCodeJson")(function* <S extends Schema.Top>(input: { | |
| 176 | + readonly operation: | |
| 177 | + | "generateCommitMessage" | |
| 178 | + | "generatePrContent" | |
| 179 | + | "generateBranchName" | |
| 180 | + | "generateThreadTitle"; | |
| 181 | + readonly cwd: string; | |
| 182 | + readonly prompt: string; | |
| 183 | + readonly outputSchemaJson: S; | |
| 184 | + readonly modelSelection: OpenCodeModelSelection; | |
| 185 | + readonly attachments?: ReadonlyArray<ChatAttachment> | undefined; | |
| 186 | + }) { | |
| 187 | + const parsedModel = parseOpenCodeModelSlug(input.modelSelection.model); | |
| 188 | + if (!parsedModel) { | |
| 189 | + return yield* new TextGenerationError({ | |
| 190 | + operation: input.operation, | |
| 191 | + detail: "OpenCode model selection must use the 'provider/model' format.", | |
| 192 | + }); | |
| 193 | + } | |
| 194 | + | |
| 195 | + const settings = yield* serverSettingsService.getSettings.pipe( | |
| 196 | + Effect.map( | |
| 197 | + (value) => | |
| 198 | + value.providers?.opencode ?? { | |
| 199 | + enabled: true, | |
| 200 | + binaryPath: "opencode", | |
| 201 | + serverUrl: "", | |
| 202 | + serverPassword: "", | |
| 203 | + customModels: [], | |
| 204 | + }, | |
| 205 | + ), | |
| 206 | + Effect.orElseSucceed(() => ({ | |
| 207 | + enabled: true, | |
| 208 | + binaryPath: "opencode", | |
| 209 | + serverUrl: "", | |
| 210 | + serverPassword: "", | |
| 211 | + customModels: [], | |
| 212 | + })), | |
| 213 | + ); | |
| 214 | + | |
| 215 | + const fileParts = toOpenCodeFileParts({ | |
| 216 | + attachments: input.attachments, | |
| 217 | + resolveAttachmentPath: (attachment) => | |
| 218 | + resolveAttachmentPath({ attachmentsDir: serverConfig.attachmentsDir, attachment }), | |
| 219 | + }); | |
| 220 | + | |
| 221 | + const runAgainstServer = (server: Pick<OpenCodeServerConnection, "url">) => | |
| 222 | + Effect.tryPromise({ | |
| 223 | + try: async () => { | |
| 224 | + const client = createOpenCodeSdkClient({ | |
| 225 | + baseUrl: server.url, | |
| 226 | + directory: input.cwd, | |
| 227 | + ...(settings.serverUrl.length > 0 && settings.serverPassword | |
| 228 | + ? { serverPassword: settings.serverPassword } | |
| 229 | + : {}), | |
| 230 | + }); | |
| 231 | + const session = await client.session.create({ | |
| 232 | + title: `T3 Code ${input.operation}`, | |
| 233 | + permission: [{ permission: "*", pattern: "*", action: "deny" }], | |
| 234 | + }); | |
| 235 | + if (!session.data) { | |
| 236 | + throw new Error("OpenCode session.create returned no session payload."); | |
| 237 | + } | |
| 238 | + | |
| 239 | + const result = await client.session.prompt({ | |
| 240 | + sessionID: session.data.id, | |
| 241 | + model: parsedModel, | |
| 242 | + ...(input.modelSelection.options?.agent | |
| 243 | + ? { agent: input.modelSelection.options.agent } | |
| 244 | + : {}), | |
| 245 | + ...(input.modelSelection.options?.variant | |
| 246 | + ? { variant: input.modelSelection.options.variant } | |
| 247 | + : {}), | |
| 248 | + format: { | |
| 249 | + type: "json_schema", | |
| 250 | + schema: toJsonSchemaObject(input.outputSchemaJson) as Record<string, unknown>, | |
| 251 | + }, | |
| 252 | + parts: [{ type: "text", text: input.prompt }, ...fileParts], | |
| 253 | + }); | |
| 254 | + const structured = result.data?.info?.structured; | |
| 255 | + if (structured === undefined) { | |
| 256 | + throw new Error("OpenCode returned no structured output."); | |
| 257 | + } | |
| 258 | + return structured; | |
| 259 | + }, | |
| 260 | + catch: (cause) => | |
| 261 | + new TextGenerationError({ | |
| 262 | + operation: input.operation, | |
| 263 | + detail: | |
| 264 | + cause instanceof Error ? cause.message : "OpenCode text generation request failed.", | |
| 265 | + cause, | |
| 266 | + }), | |
| 267 | + }); | |
| 268 | + | |
| 269 | + const structuredOutput = | |
| 270 | + settings.serverUrl.length > 0 | |
| 271 | + ? yield* runAgainstServer({ url: settings.serverUrl }) | |
| 272 | + : yield* Effect.acquireUseRelease( | |
| 273 | + acquireSharedServer({ | |
| 274 | + binaryPath: settings.binaryPath, | |
| 275 | + operation: input.operation, | |
| 276 | + }), | |
| 277 | + runAgainstServer, | |
| 278 | + releaseSharedServer, | |
| 279 | + ); | |
| 280 | + | |
| 281 | + return yield* Schema.decodeUnknownEffect(input.outputSchemaJson)(structuredOutput).pipe( | |
| 282 | + Effect.catchTag("SchemaError", (cause) => | |
| 283 | + Effect.fail( | |
| 284 | + new TextGenerationError({ | |
| 285 | + operation: input.operation, | |
| 286 | + detail: "OpenCode returned invalid structured output.", | |
| 287 | + cause, | |
| 288 | + }), | |
| 289 | + ), | |
| 290 | + ), | |
| 291 | + ); | |
| 292 | + }); | |
| 293 | + | |
| 294 | + const generateCommitMessage: TextGenerationShape["generateCommitMessage"] = Effect.fn( | |
| 295 | + "OpenCodeTextGeneration.generateCommitMessage", | |
| 296 | + )(function* (input) { | |
| 297 | + if (input.modelSelection.provider !== "opencode") { | |
| 298 | + return yield* new TextGenerationError({ | |
| 299 | + operation: "generateCommitMessage", | |
| 300 | + detail: "Invalid model selection.", | |
| 301 | + }); | |
| 302 | + } | |
| 303 | + | |
| 304 | + const { prompt, outputSchema } = buildCommitMessagePrompt({ | |
| 305 | + branch: input.branch, | |
| 306 | + stagedSummary: input.stagedSummary, | |
| 307 | + stagedPatch: input.stagedPatch, | |
| 308 | + includeBranch: input.includeBranch === true, | |
| 309 | + }); | |
| 310 | + const generated = yield* runOpenCodeJson({ | |
| 311 | + operation: "generateCommitMessage", | |
| 312 | + cwd: input.cwd, | |
| 313 | + prompt, | |
| 314 | + outputSchemaJson: outputSchema, | |
| 315 | + modelSelection: input.modelSelection, | |
| 316 | + }); | |
| 317 | + | |
| 318 | + return { | |
| 319 | + subject: sanitizeCommitSubject(generated.subject), | |
| 320 | + body: generated.body.trim(), | |
| 321 | + ...("branch" in generated && typeof generated.branch === "string" | |
| 322 | + ? { branch: sanitizeFeatureBranchName(generated.branch) } | |
| 323 | + : {}), | |
| 324 | + }; | |
| 325 | + }); | |
| 326 | + | |
| 327 | + const generatePrContent: TextGenerationShape["generatePrContent"] = Effect.fn( | |
| 328 | + "OpenCodeTextGeneration.generatePrContent", | |
| 329 | + )(function* (input) { | |
| 330 | + if (input.modelSelection.provider !== "opencode") { | |
| 331 | + return yield* new TextGenerationError({ | |
| 332 | + operation: "generatePrContent", | |
| 333 | + detail: "Invalid model selection.", | |
| 334 | + }); | |
| 335 | + } | |
| 336 | + | |
| 337 | + const { prompt, outputSchema } = buildPrContentPrompt({ | |
| 338 | + baseBranch: input.baseBranch, | |
| 339 | + headBranch: input.headBranch, | |
| 340 | + commitSummary: input.commitSummary, | |
| 341 | + diffSummary: input.diffSummary, | |
| 342 | + diffPatch: input.diffPatch, | |
| 343 | + }); | |
| 344 | + const generated = yield* runOpenCodeJson({ | |
| 345 | + operation: "generatePrContent", | |
| 346 | + cwd: input.cwd, | |
| 347 | + prompt, | |
| 348 | + outputSchemaJson: outputSchema, | |
| 349 | + modelSelection: input.modelSelection, | |
| 350 | + }); | |
| 351 | + | |
| 352 | + return { | |
| 353 | + title: sanitizePrTitle(generated.title), | |
| 354 | + body: generated.body.trim(), | |
| 355 | + }; | |
| 356 | + }); | |
| 357 | + | |
| 358 | + const generateBranchName: TextGenerationShape["generateBranchName"] = Effect.fn( | |
| 359 | + "OpenCodeTextGeneration.generateBranchName", | |
| 360 | + )(function* (input) { | |
| 361 | + if (input.modelSelection.provider !== "opencode") { | |
| 362 | + return yield* new TextGenerationError({ | |
| 363 | + operation: "generateBranchName", | |
| 364 | + detail: "Invalid model selection.", | |
| 365 | + }); | |
| 366 | + } | |
| 367 | + | |
| 368 | + const { prompt, outputSchema } = buildBranchNamePrompt({ | |
| 369 | + message: input.message, | |
| 370 | + attachments: input.attachments, | |
| 371 | + }); | |
| 372 | + const generated = yield* runOpenCodeJson({ | |
| 373 | + operation: "generateBranchName", | |
| 374 | + cwd: input.cwd, | |
| 375 | + prompt, | |
| 376 | + outputSchemaJson: outputSchema, | |
| 377 | + modelSelection: input.modelSelection, | |
| 378 | + attachments: input.attachments, | |
| 379 | + }); | |
| 380 | + | |
| 381 | + return { | |
| 382 | + branch: sanitizeBranchFragment(generated.branch), | |
| 383 | + }; | |
| 384 | + }); | |
| 385 | + | |
| 386 | + const generateThreadTitle: TextGenerationShape["generateThreadTitle"] = Effect.fn( | |
| 387 | + "OpenCodeTextGeneration.generateThreadTitle", | |
| 388 | + )(function* (input) { | |
| 389 | + if (input.modelSelection.provider !== "opencode") { | |
| 390 | + return yield* new TextGenerationError({ | |
| 391 | + operation: "generateThreadTitle", | |
| 392 | + detail: "Invalid model selection.", | |
| 393 | + }); | |
| 394 | + } | |
| 395 | + | |
| 396 | + const { prompt, outputSchema } = buildThreadTitlePrompt({ | |
| 397 | + message: input.message, | |
| 398 | + attachments: input.attachments, | |
| 399 | + }); | |
| 400 | + const generated = yield* runOpenCodeJson({ | |
| 401 | + operation: "generateThreadTitle", | |
| 402 | + cwd: input.cwd, | |
| 403 | + prompt, | |
| 404 | + outputSchemaJson: outputSchema, | |
| 405 | + modelSelection: input.modelSelection, | |
| 406 | + attachments: input.attachments, | |
| 407 | + }); | |
| 408 | + | |
| 409 | + return { | |
| 410 | + title: sanitizeThreadTitle(generated.title), | |
| 411 | + }; | |
| 412 | + }); | |
| 413 | + | |
| 414 | + return { | |
| 415 | + generateCommitMessage, | |
| 416 | + generatePrContent, | |
| 417 | + generateBranchName, | |
| 418 | + generateThreadTitle, | |
| 419 | + } satisfies TextGenerationShape; | |
| 420 | +}); | |
| 421 | + | |
| 422 | +export const OpenCodeTextGenerationLive = Layer.effect(TextGeneration, makeOpenCodeTextGeneration); | |