Support to get all tags

api/__init__.py

@@ -53,7 +53,7 @@ from .s7_valves import get_valve_schema, add_valve, get_valve, set_valve
 from .del_cmd import delete_valve_cascade
 
 from .s8_tags import TAG_TYPE_NODE, TAG_TYPE_LINK
-from .s8_tags import get_tag_schema, get_tag, set_tag
+from .s8_tags import get_tag_schema, get_tags, get_tag, set_tag
 
 from .s9_demands import get_demand_schema, get_demand, set_demand
 

api/s8_tags.py

@@ -9,14 +9,25 @@ def get_tag_schema(name: str) -> dict[str, dict[str, Any]]:
              'tag'    : {'type': 'str' , 'optional': True  , 'readonly': False},}
 
 
+def get_tags(name: str) -> list[dict[str, Any]]:
+    results: list[dict[str, Any]] = []
+    rows = read_all(name, f"select * from tags_node")
+    for row in rows:
+        tag = str(row['tag']) if row['tag'] != None else None
+        results.append({ 't_type': TAG_TYPE_NODE, 'id': str(row['id']), 'tag': tag })
+    rows = read_all(name, f"select * from tags_link")
+    for row in rows:
+        tag = str(row['tag']) if row['tag'] != None else None
+        results.append({ 't_type': TAG_TYPE_LINK, 'id': str(row['id']), 'tag': tag })
+    return results
+
+
 def get_tag(name: str, t_type: str, id: str) -> dict[str, Any]:
     t = None
     if t_type == TAG_TYPE_NODE:
         t = try_read(name, f"select * from tags_node where id = '{id}'")
     elif t_type == TAG_TYPE_LINK:
         t = try_read(name, f"select * from tags_link where id = '{id}'")
-    else:
-        raise Exception('Only support NODE and Link')
     if t == None:
         return { 't_type': t_type, 'id': id, 'tag': None }
     d = {}