feat(search): add content-finding filters, saved searches, and text quality to Search view

- Add tags, sender, text_quality filters to search API and Meilisearch client
- Add sender and ocr_text_length to Meilisearch filterable attributes
- Expand saved search allowed filter keys to include q, document_type, language, sender, text_quality
- Add filters panel and saved searches UI to the Search view template
- Add tests for new search filters, saved search keys, and search view elements

Co-authored-by: christianlouis <361235+christianlouis@users.noreply.github.com>

app/api/saved_searches.py

@@ -23,10 +23,14 @@ router = APIRouter(prefix="/saved-searches", tags=["saved-searches"])
 
 DbSession = Annotated[Session, Depends(get_db)]
 
-# Allowed filter keys that can be saved
+# Allowed filter keys that can be saved.
+# Files-view keys: search, mime_type, status, storage_provider, sort_by, sort_order
+# Search-view keys: q, document_type, language, sender, text_quality
+# Shared keys: tags, date_from, date_to
 ALLOWED_FILTER_KEYS = frozenset(
     {
         "search",
+        "q",
         "mime_type",
         "status",
         "date_from",
@@ -35,6 +39,10 @@ ALLOWED_FILTER_KEYS = frozenset(
         "tags",
         "sort_by",
         "sort_order",
+        "document_type",
+        "language",
+        "sender",
+        "text_quality",
     }
 )
 

app/api/search.py

@@ -29,6 +29,12 @@ def search_api(
     mime_type: Optional[str] = Query(None, description="Filter by MIME type (e.g. application/pdf)"),
     document_type: Optional[str] = Query(None, description="Filter by document type (e.g. Invoice)"),
     language: Optional[str] = Query(None, description="Filter by language code (e.g. de, en)"),
+    tags: Optional[str] = Query(None, description="Filter by tag (exact match)"),
+    sender: Optional[str] = Query(None, description="Filter by sender/absender (exact match)"),
+    text_quality: Optional[str] = Query(
+        None,
+        description="Filter by OCR text quality: no_text, low, medium, high",
+    ),
     date_from: Optional[int] = Query(None, description="Filter results created after this Unix timestamp"),
     date_to: Optional[int] = Query(None, description="Filter results created before this Unix timestamp"),
     page: int = Query(1, ge=1, description="Page number (1-based)"),
@@ -50,6 +56,9 @@ def search_api(
     - mime_type: Filter by MIME type
     - document_type: Filter by document type
     - language: Filter by language code
+    - tags: Filter by tag (exact match on a single tag)
+    - sender: Filter by sender/absender (exact match)
+    - text_quality: Filter by OCR text quality (no_text, low, medium, high)
     - date_from: Unix timestamp lower bound
     - date_to: Unix timestamp upper bound
     - page: Page number (default: 1)
@@ -57,7 +66,7 @@ def search_api(
 
     Example:
     ```
-    GET /api/search?q=invoice&document_type=Invoice&date_from=1704067200&page=1&per_page=20
+    GET /api/search?q=invoice&document_type=Invoice&tags=amazon&date_from=1704067200&page=1&per_page=20
     ```
 
     Response:
@@ -90,6 +99,9 @@ def search_api(
         mime_type=mime_type,
         document_type=document_type,
         language=language,
+        tags=tags,
+        sender=sender,
+        text_quality=text_quality,
         date_from=date_from,
         date_to=date_to,
         page=page,