[itaku] add 'search' extractor

gallery_dl/extractor/itaku.py

@@ -78,6 +78,16 @@ class ItakuImageExtractor(ItakuExtractor):
         return (self.api.image(self.item),)
 
 
+class ItakuSearchExtractor(ItakuExtractor):
+    subcategory = "search"
+    pattern = BASE_PATTERN + r"/home/images/?\?([^#]+)"
+    example = "https://itaku.ee/home/images?tags=SEARCH"
+
+    def posts(self):
+        params = text.parse_query_list(self.item)
+        return self.api.search_images(params)
+
+
 class ItakuAPI():
 
     def __init__(self, extractor):
@@ -87,6 +97,46 @@ class ItakuAPI():
             "Accept": "application/json, text/plain, */*",
         }
 
+    def search_images(self, params):
+        endpoint = "/galleries/images/"
+        required_tags = []
+        negative_tags = []
+        optional_tags = []
+        tags = []
+        tags_param = params.get("tags")
+        if isinstance(tags_param, str):
+            tags = [tags_param]
+        elif isinstance(tags_param, list):
+            tags = tags_param
+
+        for tag in tags:
+            if len(tag) == 0:
+                pass
+            elif tag[0] == "-":
+                negative_tags.append(tag[1:])
+            elif tag[0] == "~":
+                optional_tags.append(tag[1:])
+            else:
+                required_tags.append(tag)
+
+        # Every param is simply passed through to the api, except "tags"
+        if "tags" in params:
+            del params["tags"]
+
+        api_params = {
+            "required_tags": required_tags,
+            "negative_tags": negative_tags,
+            "optional_tags": optional_tags,
+            "page": 1,
+            "page_size": 30,
+            "maturity_rating": ("SFW", "Questionable", "NSFW"),
+            "ordering": "-date_added",
+            "visibility": ("PUBLIC", "PROFILE_ONLY"),
+            **params
+        }
+
+        return self._pagination(endpoint, api_params, self.image)
+
     def galleries_images(self, username, section=None):
         endpoint = "/galleries/images/"
         params = {