From 34a4ddc3996b19cacea8c8c88a432ec9104a068b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Mike=20F=C3=A4hrmann?= <mike_faehrmann@web.de>
Date: Fri, 26 Jan 2024 17:56:08 +0100
Subject: [PATCH] [sankaku] add 'id-format' option (#5073)

---
 docs/configuration.rst          | 13 +++++++++++++
 gallery_dl/extractor/sankaku.py | 12 ++++++++----
 test/results/sankaku.py         | 10 +++++++++-
 3 files changed, 30 insertions(+), 5 deletions(-)

diff --git a/docs/configuration.rst b/docs/configuration.rst
index 6244437f01..304ddb4f93 100644
--- a/docs/configuration.rst
+++ b/docs/configuration.rst
@@ -3009,6 +3009,19 @@ Description
     restrict it to only one possible format.
 
 
+extractor.sankaku.id-format
+---------------------------
+Type
+    ``string``
+Default
+    ``"numeric"``
+Description
+    Format of ``id`` metadata fields.
+
+    * ``"alphanumeric"`` or ``"alnum"``: 11-character alphanumeric IDs (``y0abGlDOr2o``)
+    * ``"numeric"`` or ``"legacy"``: numeric IDs (``360451``)
+
+
 extractor.sankaku.refresh
 -------------------------
 Type
diff --git a/gallery_dl/extractor/sankaku.py b/gallery_dl/extractor/sankaku.py
index b3b7a9cc00..caf3e169dd 100644
--- a/gallery_dl/extractor/sankaku.py
+++ b/gallery_dl/extractor/sankaku.py
@@ -179,12 +179,16 @@ class SankakuAPI():
     def __init__(self, extractor):
         self.extractor = extractor
         self.headers = {
-            "Accept"  : "application/vnd.sankaku.api+json;v=2",
-            "Platform": "web-app",
-            "Origin"  : extractor.root,
+            "Accept"     : "application/vnd.sankaku.api+json;v=2",
+            "Platform"   : "web-app",
+            "Api-Version": None,
+            "Origin"     : extractor.root,
         }
 
-        self.username, self.password = self.extractor._get_auth_info()
+        if extractor.config("id-format") in ("alnum", "alphanumeric"):
+            self.headers["Api-Version"] = "2"
+
+        self.username, self.password = extractor._get_auth_info()
         if not self.username:
             self.authenticate = util.noop
 
diff --git a/test/results/sankaku.py b/test/results/sankaku.py
index 361fd7a28d..cfdea0c4c0 100644
--- a/test/results/sankaku.py
+++ b/test/results/sankaku.py
@@ -119,11 +119,16 @@
 
 {
     "#url"     : "https://sankaku.app/posts/y0abGlDOr2o",
+    "#comment" : "extended tag categories; alphanumeric ID (#5073)",
     "#category": ("booru", "sankaku", "post"),
     "#class"   : sankaku.SankakuPostExtractor,
-    "#options"     : {"tags": True},
+    "#options"     : {
+        "tags"     : True,
+        "id-format": "alphanumeric",
+    },
     "#sha1_content": "5e255713cbf0a8e0801dc423563c34d896bb9229",
 
+    "id": "y0abGlDOr2o",
     "tags_artist": [
         "bonocho",
     ],
@@ -150,6 +155,8 @@
     "#category": ("booru", "sankaku", "post"),
     "#class"   : sankaku.SankakuPostExtractor,
     "#pattern" : r"https://s\.sankakucomplex\.com/data/ac/8e/ac8e3b92ea328ce9cf7211e69c905bf9\.jpg\?e=.+",
+
+    "id": 360451,
 },
 
 {
@@ -169,6 +176,7 @@
     "#options" : {"tags": True},
     "#count"   : 1,
 
+    "id"          : 20758561,
     "tags"        : list,
     "tags_general": [
         "key(mangaka)",