From 977bb2c573f8583f6b239f0499b12522be0d739a Mon Sep 17 00:00:00 2001
From: Étienne Loks <etienne.loks@iggdrasil.net>
Date: Sat, 16 Nov 2024 14:18:26 +0100
Subject: ✨ search: add AND operator "&&"
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---
 ishtar_common/views_item.py | 29 +++++++++++++++++++++++------
 1 file changed, 23 insertions(+), 6 deletions(-)

(limited to 'ishtar_common/views_item.py')

diff --git a/ishtar_common/views_item.py b/ishtar_common/views_item.py
index 639af1e88..d4a975e37 100644
--- a/ishtar_common/views_item.py
+++ b/ishtar_common/views_item.py
@@ -2006,12 +2006,18 @@ def _get_table_cols(data_type, own_table_cols, full, model):
 
 def split_dict(dct):
     if not dct.get("search_vector", None):
-        return [dct]
+        return [("OR", dct)]
     new_dcts = []
-    for vector in dct["search_vector"].split(" || "):
+
+    # TODO: manage || and && syntax in the same query
+    # example: to extract [[]] parenthesis re.findall(r"(.*)\[\[ (.*?) \]\](.*)", s)
+    split_key, split_type = " || ", "OR"
+    if " && " in dct["search_vector"]:
+        split_key, split_type = " && ", "AND"
+    for vector in dct["search_vector"].split(split_key):
         new_dct = deepcopy(dct)
         new_dct["search_vector"] = vector
-        new_dcts.append(new_dct)
+        new_dcts.append((split_type, new_dct))
     return new_dcts
 
 
@@ -2566,7 +2572,7 @@ def get_item(
             )
 
         items = None
-        for sub_dct in split_dict(dct):
+        for split_type, sub_dct in split_dict(dct):
             query, exc_query, extras = main_manager(
                 request,
                 model,
@@ -2583,7 +2589,7 @@ def get_item(
                 reversed_many_counted_fields,
                 my_dated_fields,
                 my_number_fields,
-                and_reqs
+                and_reqs[:]
             )
 
             # print("ishtar_common/views_item.py - 2515")
@@ -2602,7 +2608,18 @@ def get_item(
             if not items:
                 items = sub_items
             else:
-                items |= sub_items
+                if not sub_items.exists():
+                    if split_type == "AND":
+                        items = model.objects.filter(pk__isnull=True)
+                    continue
+                if split_type == "OR":
+                    items |= sub_items
+                else:
+                    # in Django m2m queries use the same JOIN...
+                    # items &= sub_items do not work
+                    items &= model.objects.filter(Q(
+                        pk__in=list(sub_items.values_list("pk", flat=True))
+                    ))
 
         if return_query:
             return items
-- 
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