Added indexed lists and link edition in tunes

folkugat_web/services/temes/links.py

@@ -0,0 +1,32 @@
+import re
+from typing import Optional
+
+from folkugat_web.model import temes as model
+
+IMAGE_FORMATS_RE = "|".join([
+    'jpg', 'jpeg', 'png'
+])
+
+LINK_RES = {
+    model.LinkType.IMAGE: [
+        re.compile(rf"^.*\.({IMAGE_FORMATS_RE})$")
+    ],
+    model.LinkType.PDF: [
+        re.compile(r"^.*\.pdf$")
+    ],
+    model.LinkType.SPOTIFY: [
+        re.compile(r"^.*spotify\.com.*$")
+    ],
+    model.LinkType.YOUTUBE: [
+        re.compile(r"^.*youtube\.com.*$"),
+        re.compile(r"^.*youtu\.be.*$"),
+    ]
+}
+
+
+def guess_link_type(url: str) -> Optional[model.LinkType]:
+    for link_type, regexes in LINK_RES.items():
+        for regex in regexes:
+            if regex.match(url):
+                return link_type
+    return None