feat: Enhance knowledge base functionality by adding document search capability and updating related API and UI components

frontend/src/api/knowledge-base/index.ts

@@ -54,7 +54,7 @@ export function createManualKnowledge(kbId: string, data: { title: string; conte
 
 export function listKnowledgeFiles(
   kbId: string,
-  params: { page: number; page_size: number; tag_id?: string },
+  params: { page: number; page_size: number; tag_id?: string; keyword?: string },
 ) {
   const query = new URLSearchParams();
   query.append('page', String(params.page));
@@ -62,6 +62,9 @@ export function listKnowledgeFiles(
   if (params.tag_id) {
     query.append('tag_id', params.tag_id);
   }
+  if (params.keyword) {
+    query.append('keyword', params.keyword);
+  }
   const qs = query.toString();
   return get(`/api/v1/knowledge-bases/${kbId}/knowledge?${qs}`);
 }

frontend/src/hooks/useKnowledgeBase.ts

@@ -28,7 +28,7 @@ export default function (knowledgeBaseId?: string) {
     file_type: ""
   });
   const getKnowled = (
-    query: { page: number; page_size: number; tag_id?: string } = { page: 1, page_size: 35 },
+    query: { page: number; page_size: number; tag_id?: string; keyword?: string } = { page: 1, page_size: 35 },
     kbId?: string,
   ) => {
     const targetKbId = kbId || knowledgeBaseId;

frontend/src/i18n/locales/en-US.ts

@@ -182,6 +182,7 @@ export default {
     textMarkdownFormat: 'text, markdown format files, max 200K',
     dragFileNotText: 'Please drag files instead of text or links',
     searchPlaceholder: 'Search knowledge bases...',
+    docSearchPlaceholder: 'Search document names...',
     noMatch: 'No matching knowledge base found',
     noKnowledge: 'No knowledge bases available',
     loadingFailed: 'Failed to load knowledge bases'

frontend/src/i18n/locales/ru-RU.ts

@@ -182,6 +182,7 @@ export default {
     textMarkdownFormat: 'Файлы text, markdown формата, не более 200 КБ',
     dragFileNotText: 'Пожалуйста, перетащите файлы, а не текст или ссылки',
     searchPlaceholder: 'Поиск по базам знаний...',
+    docSearchPlaceholder: 'Поиск документов...',
     noMatch: 'Совпадающих баз знаний не найдено',
     noKnowledge: 'Нет доступных баз знаний',
     loadingFailed: 'Не удалось загрузить базы знаний'

frontend/src/i18n/locales/zh-CN.ts

@@ -185,6 +185,7 @@ export default {
     textMarkdownFormat: "text、markdown格式文件，不超过200K",
     dragFileNotText: "请拖拽文件而不是文本或链接",
     searchPlaceholder: "搜索知识库...",
+    docSearchPlaceholder: "搜索文档名称...",
     noMatch: "未找到匹配的知识库",
     noKnowledge: "暂无可用知识库",
     loadingFailed: "加载知识库失败",

frontend/src/views/knowledge/KnowledgeBase.vue

@@ -57,6 +57,8 @@ const tagHasMore = ref(false);
 const tagLoadingMore = ref(false);
 const tagTotal = ref(0);
 let tagSearchDebounce: ReturnType<typeof setTimeout> | null = null;
+let docSearchDebounce: ReturnType<typeof setTimeout> | null = null;
+const docSearchKeyword = ref('');
 type TagInputInstance = ComponentPublicInstance<{ focus: () => void; select: () => void }>;
 const tagDropdownOptions = computed(() => {
   const options = [
@@ -147,6 +149,7 @@ const loadKnowledgeFiles = (kbIdValue: string) => {
       page: 1,
       page_size: pageSize,
       tag_id: selectedTagId.value || undefined,
+      keyword: docSearchKeyword.value ? docSearchKeyword.value.trim() : undefined,
     },
     kbIdValue,
   );
@@ -443,6 +446,20 @@ watch(tagSearchQuery, (newVal, oldVal) => {
   }, 300);
 });
 
+// 监听文档搜索关键词变化
+watch(docSearchKeyword, (newVal, oldVal) => {
+  if (newVal === oldVal) return;
+  if (docSearchDebounce) {
+    clearTimeout(docSearchDebounce);
+  }
+  docSearchDebounce = window.setTimeout(() => {
+    if (kbId.value) {
+      page = 1;
+      loadKnowledgeFiles(kbId.value);
+    }
+  }, 300);
+});
+
 // 监听文件上传事件
 const handleFileUploaded = (event: CustomEvent) => {
   const uploadedKbId = event.detail.kbId;
@@ -819,7 +836,7 @@ const handleScroll = () => {
     if (scrollTop + clientHeight >= scrollHeight) {
       page++;
       if (cardList.value.length < total.value && page <= pageNum) {
-        getKnowled({ page, page_size: pageSize, tag_id: selectedTagId.value || undefined });
+        getKnowled({ page, page_size: pageSize, tag_id: selectedTagId.value || undefined, keyword: docSearchKeyword.value ? docSearchKeyword.value.trim() : undefined });
       }
     }
   }
@@ -1108,6 +1125,20 @@ async function createNewSession(value: string): Promise<void> {
         </aside>
         <div class="tag-content">
           <div class="doc-card-area">
+            <!-- 搜索栏 -->
+            <div class="doc-search-bar">
+              <t-input
+                v-model.trim="docSearchKeyword"
+                :placeholder="$t('knowledgeBase.docSearchPlaceholder')"
+                clearable
+                @clear="loadKnowledgeFiles(kbId)"
+                @keydown.enter="loadKnowledgeFiles(kbId)"
+              >
+                <template #prefix-icon>
+                  <t-icon name="search" size="16px" />
+                </template>
+              </t-input>
+            </div>
             <div
               class="doc-scroll-container"
               :class="{ 'is-empty': !cardList.length }"
@@ -1750,6 +1781,25 @@ async function createNewSession(value: string): Promise<void> {
   min-height: 0;
 }
 
+.doc-search-bar {
+  padding: 0px 0px 10px 0px;
+  flex-shrink: 0;
+
+  :deep(.t-input) {
+    font-size: 13px;
+    background-color: #f7f9fc;
+    border-color: #e5e9f2;
+    border-radius: 6px;
+
+    &:hover,
+    &:focus,
+    &.t-is-focused {
+      border-color: #4080ff;
+      background-color: #fff;
+    }
+  }
+}
+
 .doc-scroll-container {
   flex: 1;
   min-height: 0;

internal/application/repository/knowledge.go

@@ -62,6 +62,7 @@ func (r *knowledgeRepository) ListPagedKnowledgeByKnowledgeBaseID(
 	kbID string,
 	page *types.Pagination,
 	tagID string,
+	keyword string,
 ) ([]*types.Knowledge, int64, error) {
 	var knowledges []*types.Knowledge
 	var total int64
@@ -71,6 +72,9 @@ func (r *knowledgeRepository) ListPagedKnowledgeByKnowledgeBaseID(
 	if tagID != "" {
 		query = query.Where("tag_id = ?", tagID)
 	}
+	if keyword != "" {
+		query = query.Where("file_name LIKE ?", "%"+keyword+"%")
+	}
 
 	// Query total count first
 	if err := query.Count(&total).Error; err != nil {
@@ -83,6 +87,9 @@ func (r *knowledgeRepository) ListPagedKnowledgeByKnowledgeBaseID(
 	if tagID != "" {
 		dataQuery = dataQuery.Where("tag_id = ?", tagID)
 	}
+	if keyword != "" {
+		dataQuery = dataQuery.Where("file_name LIKE ?", "%"+keyword+"%")
+	}
 
 	if err := dataQuery.
 		Order("created_at DESC").

internal/application/service/agent_service.go

@@ -331,7 +331,7 @@ func (s *agentService) getKnowledgeBaseInfos(ctx context.Context, kbIDs []string
 			pageResult, err := s.knowledgeService.ListPagedKnowledgeByKnowledgeBaseID(ctx, kbID, &types.Pagination{
 				Page:     1,
 				PageSize: 10,
-			}, "")
+			}, "", "")
 
 			if err == nil && pageResult != nil {
 				docCount = int(pageResult.Total)

internal/application/service/knowledge.go

@@ -699,10 +699,10 @@ func (s *knowledgeService) ListKnowledgeByKnowledgeBaseID(ctx context.Context,
 
 // ListPagedKnowledgeByKnowledgeBaseID returns paginated knowledge entries in a knowledge base
 func (s *knowledgeService) ListPagedKnowledgeByKnowledgeBaseID(ctx context.Context,
-	kbID string, page *types.Pagination, tagID string,
+	kbID string, page *types.Pagination, tagID string, keyword string,
 ) (*types.PageResult, error) {
 	knowledges, total, err := s.repo.ListPagedKnowledgeByKnowledgeBaseID(ctx,
-		ctx.Value(types.TenantIDContextKey).(uint64), kbID, page, tagID)
+		ctx.Value(types.TenantIDContextKey).(uint64), kbID, page, tagID, keyword)
 	if err != nil {
 		return nil, err
 	}

internal/handler/initialization.go

@@ -232,7 +232,7 @@ func (h *InitializationHandler) UpdateKBConfig(c *gin.Context) {
 			kbIdStr, &types.Pagination{
 				Page:     1,
 				PageSize: 1,
-			}, "")
+			}, "", "")
 		if err == nil && knowledgeList != nil && knowledgeList.Total > 0 {
 			logger.Error(ctx, "Cannot change embedding model when files exist")
 			c.Error(errors.NewBadRequestError("知识库中已有文件，无法修改Embedding模型"))
@@ -1176,7 +1176,7 @@ func (h *InitializationHandler) GetCurrentConfigByKB(c *gin.Context) {
 		kbIdStr, &types.Pagination{
 			Page:     1,
 			PageSize: 1,
-		}, "")
+		}, "", "")
 	hasFiles := err == nil && knowledgeList != nil && knowledgeList.Total > 0
 
 	// 构建配置响应

internal/handler/knowledge.go

@@ -318,18 +318,20 @@ func (h *KnowledgeHandler) ListKnowledge(c *gin.Context) {
 	}
 
 	tagID := c.Query("tag_id")
+	keyword := c.Query("keyword")
 
 	logger.Infof(
 		ctx,
-		"Retrieving knowledge list under knowledge base, knowledge base ID: %s, tag_id: %s, page: %d, page size: %d",
+		"Retrieving knowledge list under knowledge base, knowledge base ID: %s, tag_id: %s, keyword: %s, page: %d, page size: %d",
 		secutils.SanitizeForLog(kbID),
 		secutils.SanitizeForLog(tagID),
+		secutils.SanitizeForLog(keyword),
 		pagination.Page,
 		pagination.PageSize,
 	)
 
 	// Retrieve paginated knowledge entries
-	result, err := h.kgService.ListPagedKnowledgeByKnowledgeBaseID(ctx, kbID, &pagination, tagID)
+	result, err := h.kgService.ListPagedKnowledgeByKnowledgeBaseID(ctx, kbID, &pagination, tagID, keyword)
 	if err != nil {
 		logger.ErrorWithFields(ctx, err, nil)
 		c.Error(errors.NewInternalServerError(err.Error()))

internal/types/interfaces/knowledge.go

@@ -45,11 +45,13 @@ type KnowledgeService interface {
 	ListKnowledgeByKnowledgeBaseID(ctx context.Context, kbID string) ([]*types.Knowledge, error)
 	// ListPagedKnowledgeByKnowledgeBaseID lists all knowledge under a knowledge base with pagination.
 	// When tagID is non-empty, results are filtered by tag_id.
+	// When keyword is non-empty, results are filtered by file_name.
 	ListPagedKnowledgeByKnowledgeBaseID(
 		ctx context.Context,
 		kbID string,
 		page *types.Pagination,
 		tagID string,
+		keyword string,
 	) (*types.PageResult, error)
 	// DeleteKnowledge deletes knowledge by ID.
 	DeleteKnowledge(ctx context.Context, id string) error
@@ -112,8 +114,9 @@ type KnowledgeRepository interface {
 	ListKnowledgeByKnowledgeBaseID(ctx context.Context, tenantID uint64, kbID string) ([]*types.Knowledge, error)
 	// ListPagedKnowledgeByKnowledgeBaseID lists all knowledge in a knowledge base with pagination.
 	// When tagID is non-empty, results are filtered by tag_id.
+	// When keyword is non-empty, results are filtered by file_name.
 	ListPagedKnowledgeByKnowledgeBaseID(ctx context.Context,
-		tenantID uint64, kbID string, page *types.Pagination, tagID string,
+		tenantID uint64, kbID string, page *types.Pagination, tagID string, keyword string,
 	) ([]*types.Knowledge, int64, error)
 	UpdateKnowledge(ctx context.Context, knowledge *types.Knowledge) error
 	// UpdateKnowledgeBatch updates knowledge items in batch