feat: support pull model by specific fileName

Author: marknguyen1302

cortex-js/src/domain/models/model.event.ts

@@ -8,6 +8,7 @@ const ModelLoadingEvents = [
   'starting-failed',
   'stopping-failed',
   'model-downloaded',
+  'model-downloaded-failed',
   'model-deleted',
 ] as const;
 export type ModelLoadingEvent = (typeof ModelLoadingEvents)[number];

cortex-js/src/infrastructure/controllers/models.controller.ts

@@ -8,6 +8,8 @@ import {
   Delete,
   HttpCode,
   UseInterceptors,
+  Query,
+  BadRequestException,
 } from '@nestjs/common';
 import { ModelsUsecases } from '@/usecases/models/models.usecases';
 import { CreateModelDto } from '@/infrastructure/dtos/models/create-model.dto';
@@ -26,6 +28,7 @@ import {
 } from '@/domain/telemetry/telemetry.interface';
 import { TelemetryUsecases } from '@/usecases/telemetry/telemetry.usecases';
 import { CommonResponseDto } from '../dtos/common/common-response.dto';
+import { HuggingFaceRepoSibling } from '@/domain/models/huggingface.interface';
 
 @ApiTags('Models')
 @Controller('models')
@@ -117,8 +120,17 @@ export class ModelsController {
   })
 
   @Get('download/:modelId(*)')
-  downloadModel(@Param('modelId') modelId: string) {
-    this.modelsUsecases.pullModel(modelId, false).then(() => this.telemetryUsecases.addEventToQueue({
+  downloadModel(@Param('modelId') modelId: string, @Query('fileName') fileName: string) {
+    this.modelsUsecases.pullModel(modelId, false, (files) => {
+      return new Promise<HuggingFaceRepoSibling>(async (resolve, reject) => {
+        const file = files
+          .find((e) => e.quantization && e.rfilename === fileName)
+        if(!file) {
+          return reject(new BadRequestException('File not found'));
+        }
+        return resolve(file);
+      });
+    }).then(() => this.telemetryUsecases.addEventToQueue({
       name: EventName.DOWNLOAD_MODEL,
       modelId,
     })
@@ -162,8 +174,17 @@ export class ModelsController {
     description: 'The unique identifier of the model.',
   })
   @Get('pull/:modelId(*)')
-  pullModel(@Param('modelId') modelId: string) {
-    this.modelsUsecases.pullModel(modelId).then(() => this.telemetryUsecases.addEventToQueue({
+  pullModel(@Param('modelId') modelId: string, @Query('fileName') fileName: string) {
+    this.modelsUsecases.pullModel(modelId, false, (files) => {
+      return new Promise<HuggingFaceRepoSibling>(async (resolve, reject) => {
+        const file = files
+          .find((e) => e.quantization && e.rfilename === fileName)
+        if(!file) {
+          return reject(new BadRequestException('File not found'));
+        }
+        return resolve(file);
+      });
+    }).then(() => this.telemetryUsecases.addEventToQueue({
       name: EventName.DOWNLOAD_MODEL,
       modelId,
     })

cortex-js/src/usecases/models/models.usecases.ts

@@ -342,10 +342,21 @@ export class ModelsUsecases {
     await promises.mkdir(modelFolder, { recursive: true }).catch(() => {});
 
     let files = (await fetchJanRepoData(modelId)).siblings;
-
+    
     // HuggingFace GGUF Repo - Only one file is downloaded
     if (modelId.includes('/') && selection && files.length) {
+      try {
       files = [await selection(files)];
+      } catch (e) {
+        const modelEvent: ModelEvent = {
+          model: modelId,
+          event: 'model-downloaded-failed',
+          metadata: {
+            error: e.message || e,
+          },
+        };
+        this.eventEmitter.emit('model.event', modelEvent);
+      }
     }
 
     // Start downloading the model
@@ -420,7 +431,9 @@ export class ModelsUsecases {
         const modelEvent: ModelEvent = {
           model: modelId,
           event: 'model-downloaded',
-          metadata: {},
+          metadata: {
+            ...(selection ? { file: [files] } : {}),
+          },
         };
         this.eventEmitter.emit('model.event', modelEvent);
       },

cortex-js/src/utils/model-check.ts

@@ -21,7 +21,7 @@ export const checkModelCompatibility = async (modelId: string, spinner?: ora.Ora
       process.exit(1);
     }
 
-    try{
+    try {
       const version = await getCudaVersion();
       const [currentMajor, currentMinor] = version.split('.').map(Number);
       const [requiredMajor, requiredMinor] = MIN_CUDA_VERSION.split('.').map(Number);