From bfefc9aaf1c6c7fba692eeba5e01983508956303 Mon Sep 17 00:00:00 2001
From: Hellow2 <lars.noack@outlook.de>
Date: Tue, 7 Feb 2023 19:26:14 +0100
Subject: [PATCH] hs

---
 .../database/objects/collection.py            | 61 +++++++++++++++++++
 src/try_python.py                             | 19 ------
 2 files changed, 61 insertions(+), 19 deletions(-)
 create mode 100644 src/music_kraken/database/objects/collection.py

diff --git a/src/music_kraken/database/objects/collection.py b/src/music_kraken/database/objects/collection.py
new file mode 100644
index 0000000..215c783
--- /dev/null
+++ b/src/music_kraken/database/objects/collection.py
@@ -0,0 +1,61 @@
+from typing import List
+
+from .source import SourceAttribute
+from ...utils import string_processing
+
+class Collection:
+    """
+    This an class for the iterables
+    like tracklist or discography
+    """
+    _data: List[SourceAttribute]
+    
+    _by_url: dict
+    _by_attribute: dict
+
+
+    def __init__(self, data: list = None, map_attributes: list = None) -> None:
+        """
+        Attribute needs to point to
+        """
+        self._by_url = dict()
+        
+
+        self.map_attributes = map_attributes or []
+        self._by_attribute = {attr: dict() for attr in map_attributes}
+
+        self._data = data or []
+
+        for element in self._data:
+            self.map_element(element=element)
+
+    def map_element(self, element: SourceAttribute):
+        self._by_url.update(element.source_url_map)
+        for attr in self.map_attributes:
+            value = element.__getattribute__(attr)
+            if type(value) != str:
+                # this also throws out all none values
+                continue
+
+            self._by_attribute[attr][string_processing.unify(value)] = element
+
+            
+    def get_object_with_source(self, url: str) -> any:
+        """
+        Returns either None, or the object, that has a source
+        matching the url.
+        """
+        if url in self._by_url:
+            return self._by_url[url]
+
+    def get_object_with_attribute(self, name: str, value: str):
+        if name not in self.map_attributes:
+            raise ValueError(f"didn't map the attribute {name}")
+
+        unified = string_processing.unify(value)
+        if unified in self._by_attribute[name][unified]:
+            return self._by_attribute[name][unified]
+
+    def append(self, element: SourceAttribute):
+        self._data.append(element)
+        self.map_element(element)
diff --git a/src/try_python.py b/src/try_python.py
index a28c681..e69de29 100644
--- a/src/try_python.py
+++ b/src/try_python.py
@@ -1,19 +0,0 @@
-class AttributeThing:
-    def __init__(self) -> None:
-        self.an_attribute = 666
-
-    def __setattr__(self, __name: str, __value: any) -> None:
-        print(__name, __value)
-        self.an_attribute = __value
-
-    def __getattribute__(self, __name: str) -> any:
-        print(__name)
-        self.an_attribute += 333
-        return self.an_attribute
-
-
-if __name__ == "__main__":
-    attribute_class = AttributeThing()
-
-    attribute_class.an_attribute = 333
-    #print(attribute_class.an_attribute)