server: add tagme flag on upload, clear on edit

To easily filter through posts that haven't been retagged since initial
upload.

server/szurubooru/api/post_api.py

@@ -161,7 +161,9 @@ def update_post(ctx: rest.Context, params: Dict[str, str]) -> rest.Response:
         posts.update_post_notes(post, ctx.get_param_as_list("notes"))
     if ctx.has_param("flags"):
         auth.verify_privilege(ctx.user, "posts:edit:flags")
-        posts.update_post_flags(post, ctx.get_param_as_string_list("flags"))
+        posts.update_post_flags(post, ctx.get_param_as_string_list("flags"), remove=True)
+    else:
+        posts.update_post_flags(post, post.flags, remove=True)
     if ctx.has_file("thumbnail"):
         auth.verify_privilege(ctx.user, "posts:edit:thumbnail")
         posts.update_post_thumbnail(post, ctx.get_file("thumbnail"))

server/szurubooru/func/posts.py

@@ -94,6 +94,7 @@ TYPE_MAP = {
 FLAG_MAP = {
     model.Post.FLAG_LOOP: "loop",
     model.Post.FLAG_SOUND: "sound",
+    model.Post.FLAG_TAGME: "tagme",
 }
 
 
@@ -539,6 +540,7 @@ def get_default_flags(content: bytes) -> List[str]:
     elif mime.is_video(mime.get_mime_type(content)):
         if images.Image(content).check_for_sound():
             ret.append(model.Post.FLAG_SOUND)
+    ret.append(model.Post.FLAG_TAGME)
     return ret
 
 
@@ -783,10 +785,12 @@ def update_post_notes(post: model.Post, notes: Any) -> None:
         )
 
 
-def update_post_flags(post: model.Post, flags: List[str]) -> None:
+def update_post_flags(post: model.Post, flags: List[str], remove: bool = False) -> None:
     assert post
     target_flags = []
     for flag in flags:
+        if remove and flag == model.Post.FLAG_TAGME:
+            continue
         flag = util.flip(FLAG_MAP).get(flag, None)
         if not flag:
             raise InvalidPostFlagError(

server/szurubooru/model/post.py

@@ -197,6 +197,7 @@ class Post(Base):
 
     FLAG_LOOP = "loop"
     FLAG_SOUND = "sound"
+    FLAG_TAGME = "tagme"
 
     # basic meta
     post_id = sa.Column("id", sa.Integer, primary_key=True)

server/szurubooru/search/configs/post_search_config.py

@@ -47,6 +47,7 @@ def _flag_transformer(value: str) -> str:
     available_values = {
         "loop": model.Post.FLAG_LOOP,
         "sound": model.Post.FLAG_SOUND,
+        "tagme": model.Post.FLAG_TAGME,
     }
     return "%" + search_util.enum_transformer(available_values, value) + "%"