[feat] reactive filter functions

src/platform/assets/composables/useAssetFilterOptions.ts

@@ -0,0 +1,60 @@
+import { computed } from 'vue'
+
+import type { SelectOption } from '@/components/input/types'
+import type { AssetItem } from '@/platform/assets/schemas/assetSchema'
+
+/**
+ * Composable that extracts available filter options from asset data
+ * Provides reactive computed properties for file formats and base models
+ */
+export function useAssetFilterOptions(assets: AssetItem[] = []) {
+  /**
+   * Extract unique file formats from asset names
+   * Returns sorted SelectOption array with extensions
+   */
+  const availableFileFormats = computed<SelectOption[]>(() => {
+    const formats = new Set<string>()
+
+    assets.forEach((asset) => {
+      const extension = asset.name.split('.').pop()
+      if (extension && extension !== asset.name) {
+        // Only add if there was actually an extension (not just the filename)
+        formats.add(extension)
+      }
+    })
+
+    return Array.from(formats)
+      .sort()
+      .map((format) => ({
+        name: `.${format}`,
+        value: format
+      }))
+  })
+
+  /**
+   * Extract unique base models from asset user metadata
+   * Returns sorted SelectOption array with base model names
+   */
+  const availableBaseModels = computed<SelectOption[]>(() => {
+    const models = new Set<string>()
+
+    assets.forEach((asset) => {
+      const baseModel = asset.user_metadata?.base_model
+      if (baseModel && typeof baseModel === 'string') {
+        models.add(baseModel)
+      }
+    })
+
+    return Array.from(models)
+      .sort()
+      .map((model) => ({
+        name: model,
+        value: model
+      }))
+  })
+
+  return {
+    availableFileFormats,
+    availableBaseModels
+  }
+}

tests-ui/platform/assets/composables/useAssetFilterOptions.test.ts

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+import { describe, expect, it } from 'vitest'
+
+import { useAssetFilterOptions } from '@/platform/assets/composables/useAssetFilterOptions'
+import type { AssetItem } from '@/platform/assets/schemas/assetSchema'
+
+// Test factory functions
+function createTestAsset(overrides: Partial<AssetItem> = {}): AssetItem {
+  return {
+    id: 'test-uuid',
+    name: 'test-model.safetensors',
+    asset_hash: 'blake3:test123',
+    size: 123456,
+    mime_type: 'application/octet-stream',
+    tags: ['models', 'checkpoints'],
+    created_at: '2024-01-01T00:00:00Z',
+    updated_at: '2024-01-01T00:00:00Z',
+    last_access_time: '2024-01-01T00:00:00Z',
+    user_metadata: {
+      base_model: 'sd15'
+    },
+    ...overrides
+  }
+}
+
+describe('useAssetFilterOptions', () => {
+  describe('File Format Extraction', () => {
+    it('extracts file formats from asset names', () => {
+      const assets = [
+        createTestAsset({ name: 'model1.safetensors' }),
+        createTestAsset({ name: 'model2.ckpt' }),
+        createTestAsset({ name: 'model3.pt' })
+      ]
+
+      const { availableFileFormats } = useAssetFilterOptions(assets)
+
+      expect(availableFileFormats.value).toEqual([
+        { name: '.ckpt', value: 'ckpt' },
+        { name: '.pt', value: 'pt' },
+        { name: '.safetensors', value: 'safetensors' }
+      ])
+    })
+
+    it('handles duplicate file formats', () => {
+      const assets = [
+        createTestAsset({ name: 'model1.safetensors' }),
+        createTestAsset({ name: 'model2.safetensors' }),
+        createTestAsset({ name: 'model3.ckpt' })
+      ]
+
+      const { availableFileFormats } = useAssetFilterOptions(assets)
+
+      expect(availableFileFormats.value).toEqual([
+        { name: '.ckpt', value: 'ckpt' },
+        { name: '.safetensors', value: 'safetensors' }
+      ])
+    })
+
+    it('handles assets with no file extension', () => {
+      const assets = [
+        createTestAsset({ name: 'model_no_extension' }),
+        createTestAsset({ name: 'model.safetensors' })
+      ]
+
+      const { availableFileFormats } = useAssetFilterOptions(assets)
+
+      expect(availableFileFormats.value).toEqual([
+        { name: '.safetensors', value: 'safetensors' }
+      ])
+    })
+
+    it('handles empty asset list', () => {
+      const { availableFileFormats } = useAssetFilterOptions([])
+
+      expect(availableFileFormats.value).toEqual([])
+    })
+  })
+
+  describe('Base Model Extraction', () => {
+    it('extracts base models from user metadata', () => {
+      const assets = [
+        createTestAsset({ user_metadata: { base_model: 'sd15' } }),
+        createTestAsset({ user_metadata: { base_model: 'sdxl' } }),
+        createTestAsset({ user_metadata: { base_model: 'sd35' } })
+      ]
+
+      const { availableBaseModels } = useAssetFilterOptions(assets)
+
+      expect(availableBaseModels.value).toEqual([
+        { name: 'sd15', value: 'sd15' },
+        { name: 'sd35', value: 'sd35' },
+        { name: 'sdxl', value: 'sdxl' }
+      ])
+    })
+
+    it('handles duplicate base models', () => {
+      const assets = [
+        createTestAsset({ user_metadata: { base_model: 'sd15' } }),
+        createTestAsset({ user_metadata: { base_model: 'sd15' } }),
+        createTestAsset({ user_metadata: { base_model: 'sdxl' } })
+      ]
+
+      const { availableBaseModels } = useAssetFilterOptions(assets)
+
+      expect(availableBaseModels.value).toEqual([
+        { name: 'sd15', value: 'sd15' },
+        { name: 'sdxl', value: 'sdxl' }
+      ])
+    })
+
+    it('handles assets with missing user_metadata', () => {
+      const assets = [
+        createTestAsset({ user_metadata: undefined }),
+        createTestAsset({ user_metadata: { base_model: 'sd15' } })
+      ]
+
+      const { availableBaseModels } = useAssetFilterOptions(assets)
+
+      expect(availableBaseModels.value).toEqual([
+        { name: 'sd15', value: 'sd15' }
+      ])
+    })
+
+    it('handles assets with missing base_model field', () => {
+      const assets = [
+        createTestAsset({ user_metadata: { description: 'A test model' } }),
+        createTestAsset({ user_metadata: { base_model: 'sdxl' } })
+      ]
+
+      const { availableBaseModels } = useAssetFilterOptions(assets)
+
+      expect(availableBaseModels.value).toEqual([
+        { name: 'sdxl', value: 'sdxl' }
+      ])
+    })
+
+    it('handles empty asset list', () => {
+      const { availableBaseModels } = useAssetFilterOptions([])
+
+      expect(availableBaseModels.value).toEqual([])
+    })
+  })
+
+  describe('Reactivity', () => {
+    it('returns computed properties that can be reactive', () => {
+      const assets = [createTestAsset({ name: 'model.safetensors' })]
+
+      const { availableFileFormats, availableBaseModels } =
+        useAssetFilterOptions(assets)
+
+      // These should be computed refs
+      expect(availableFileFormats.value).toBeDefined()
+      expect(availableBaseModels.value).toBeDefined()
+      expect(typeof availableFileFormats.value).toBe('object')
+      expect(typeof availableBaseModels.value).toBe('object')
+      expect(Array.isArray(availableFileFormats.value)).toBe(true)
+      expect(Array.isArray(availableBaseModels.value)).toBe(true)
+    })
+  })
+})