server/posts: add post listing

12 files changed, 1154 insertions, 60 deletions

diff --git a/API.md b/API.md
index 904fbee..a608695 100644
--- a/API.md
+++ b/API.md
@@ -28,7 +28,7 @@
         - [Merging tags](#merging-tags)
         - [Listing tag siblings](#listing-tag-siblings)
     - Posts
-        - ~~Listing posts~~
+        - [Listing posts](#listing-posts)
         - [Creating post](#creating-post)
         - [Updating post](#updating-post)
         - [Getting post](#getting-post)
@@ -290,7 +290,7 @@ data.
 
     **Named tokens**
 
-    | `<value>`           | Description                           |
+    | `<key>`             | Description                           |
     | ------------------- | ------------------------------------- |
     | `name`              | having given name (accepts wildcards) |
     | `category`          | having given category                 |
@@ -516,6 +516,111 @@ data.
     appears with given tag. Results are sorted by occurrences count and the
     list is truncated to the first 50 elements. Doesn't use paging.
 
+## Listing posts
+- **Request**
+
+    `GET /posts/?page=<page>&pageSize=<page-size>&query=<query>`
+
+- **Output**
+
+    A [paged search result resource](#paged-search-result), for which
+    `<resource>` is a [post resource](#post).
+
+- **Errors**
+
+    - privileges are too low
+
+- **Description**
+
+    Searches for posts.
+
+    **Anonymous tokens**
+
+    Same as `tag` token.
+
+    **Named tokens**
+
+    | `<key>`          | Description                                                |
+    | ---------------- | ---------------------------------------------------------- |
+    | `id`             | having given post number                                   |
+    | `tag`            | having given tag                                           |
+    | `score`          | having given score                                         |
+    | `uploader`       | uploaded by given user                                     |
+    | `upload`         | alias of upload                                            |
+    | `submit`         | alias of upload                                            |
+    | `comment`        | commented by given user                                    |
+    | `fav`            | favorited by given user                                    |
+    | `tag-count`      | having given number of tags                                |
+    | `comment-count`  | having given number of comments                            |
+    | `fav-count`      | favorited by given number of users                         |
+    | `note-count`     | having given number of annotations                         |
+    | `feature-count`  | having been featured given number of times                 |
+    | `type`           | given type of posts. `<value>` can be either `image`, `animation` (or `animated` or `anim`), `flash` (or `swf`) or `video` (or `webm`). |
+    | `file-size`      | having given file size (in bytes)                          |
+    | `image-width`    | having given image width (where applicable)                |
+    | `image-height`   | having given image height (where applicable)               |
+    | `image-area`     | having given number of pixels (image width * image height) |
+    | `width`          | alias of `image-width`                                     |
+    | `height`         | alias of `image-height`                                    |
+    | `area`           | alias of `image-area`                                      |
+    | `creation-date`  | posted at given date                                       |
+    | `creation-time`  | alias of `creation-date`                                   |
+    | `date`           | alias of `creation-date`                                   |
+    | `time`           | alias of `creation-date`                                   |
+    | `last-edit-date` | edited at given date                                       |
+    | `last-edit-time` | alias of `last-edit-date`                                  |
+    | `edit-date`      | alias of `last-edit-date`                                  |
+    | `edit-time`      | alias of `last-edit-date`                                  |
+    | `comment-date`   | commented at given date                                    |
+    | `comment-time`   | alias of `comment-date`                                    |
+    | `fav-date`       | last favorited at given date                               |
+    | `fav-time`       | alias of `fav-date`                                        |
+    | `feature-date`   | featured at given date                                     |
+    | `feature-time`   | alias of `feature-time`                                    |
+
+    **Sort style tokens**
+
+    | `<value>`        | Description                                      |
+    | ---------------- | ------------------------------------------------ |
+    | `random`         | as random as it can get                          |
+    | `id`             | highest to lowest post number                    |
+    | `score`          | highest scored                                   |
+    | `tag-count`      | with most tags                                   |
+    | `comment-count`  | most commented first                             |
+    | `fav-count`      | loved by most                                    |
+    | `note-count`     | with most annotations                            |
+    | `feature-count`  | most often featured                              |
+    | `file-size`      | largest files first                              |
+    | `image-width`    | widest images first                              |
+    | `image-height`   | tallest images first                             |
+    | `image-area`     | largest images first                             |
+    | `width`          | alias of `image-width`                           |
+    | `height`         | alias of `image-height`                          |
+    | `area`           | alias of `image-area`                            |
+    | `creation-date`  | newest to oldest (pretty much same as id)        |
+    | `creation-time`  | alias of `creation-date`                         |
+    | `date`           | alias of `creation-date`                         |
+    | `time`           | alias of `creation-date`                         |
+    | `last-edit-date` | like creation-date, only looks at last edit time |
+    | `last-edit-time` | alias of `last-edit-date`                        |
+    | `edit-date`      | alias of `last-edit-date`                        |
+    | `edit-time`      | alias of `last-edit-date`                        |
+    | `comment-date`   | recently commented by anyone                     |
+    | `comment-time`   | alias of `comment-date`                          |
+    | `fav-date`       | recently added to favorites by anyone            |
+    | `fav-time`       | alias of `fav-date`                              |
+    | `feature-date`   | recently featured                                |
+    | `feature-time`   | alias of `feature-time`                          |
+
+    **Special tokens**
+
+    | `<value>`    | Description                                                   |
+    | ------------ | ------------------------------------------------------------- |
+    | `liked`      | posts liked by currently logged in user                       |
+    | `disliked`   | posts disliked by currently logged in user                    |
+    | `fav`        | posts added to favorites by currently logged in user          |
+    | `tumbleweed` | posts with score of 0, without comments and without favorites |
+
 ## Creating post
 - **Request**
 
@@ -770,11 +875,12 @@ data.
 
     **Named tokens**
 
-    | `<value>`        | Description                                    |
+    | `<key>`          | Description                                    |
     | ---------------- | ---------------------------------------------- |
     | `id`             | specific comment ID                            |
     | `post`           | specific post ID                               |
     | `user`           | created by given user (accepts wildcards)      |
+    | `author`         | alias of `user`                                |
     | `text`           | containing given text (accepts wildcards)      |
     | `creation-date`  | created at given date                          |
     | `creation-time`  | alias of `creation-date`                       |
@@ -789,6 +895,7 @@ data.
     | ---------------- | ------------------------- |
     | `random`         | as random as it can get   |
     | `user`           | author name, A to Z       |
+    | `author`         | alias of `user`           |
     | `post`           | post ID, newest to oldest |
     | `creation-date`  | newest to oldest          |
     | `creation-time`  | alias of `creation-date`  |
@@ -946,7 +1053,7 @@ data.
 
     **Named tokens**
 
-    | `<value>`         | Description                                     |
+    | `<key>`           | Description                                     |
     | ----------------- | ----------------------------------------------- |
     | `name`            | having given name (accepts wildcards)           |
     | `creation-date`   | registered at given date                        |
@@ -1182,7 +1289,7 @@ data.
 
     **Named tokens**
 
-    | `<value>`         | Description                                   |
+    | `<key>`           | Description                                   |
     | ----------------- | --------------------------------------------- |
     | `type`            | involving given resource type                 |
     | `id`              | involving given resource id                   |
diff --git a/client/html/help-search-posts.hbs b/client/html/help-search-posts.hbs
index 5e8086f..78bfb5f 100644
--- a/client/html/help-search-posts.hbs
+++ b/client/html/help-search-posts.hbs
@@ -1,6 +1,6 @@
 <p><strong>Anonymous tokens</strong></p>
 
-<p>Filter posts tagged with given <code>&lt;value&gt;</code>.</p>
+<p>Same as <code>tag</code> token.</p>
 
 <p><strong>Named tokens</strong></p>
 
@@ -8,7 +8,11 @@
     <tbody>
         <tr>
             <td><code>id</code></td>
-            <td>having specific post ID</td>
+            <td>having given post number</td>
+        </tr>
+        <tr>
+            <td><code>tag</code></td>
+            <td>having given tag</td>
         </tr>
         <tr>
             <td><code>score</code></td>
@@ -19,6 +23,14 @@
             <td>uploaded by given user</td>
         </tr>
         <tr>
+            <td><code>upload</code></td>
+            <td>alias of <code>upload</code></td>
+        </tr>
+        <tr>
+            <td><code>submit</code></td>
+            <td>alias of <code>upload</code></td>
+        </tr>
+        <tr>
             <td><code>comment</code></td>
             <td>commented by given user</td>
         </tr>
@@ -27,16 +39,16 @@
             <td>favorited by given user</td>
         </tr>
         <tr>
-            <td><code>fav-count</code></td>
-            <td>favorited by given number of users</td>
+            <td><code>tag-count</code></td>
+            <td>having given number of tags</td>
         </tr>
         <tr>
             <td><code>comment-count</code></td>
             <td>having given number of comments</td>
         </tr>
         <tr>
-            <td><code>tag-count</code></td>
-            <td>having given number of tags</td>
+            <td><code>fav-count</code></td>
+            <td>favorited by given number of users</td>
         </tr>
         <tr>
             <td><code>note-count</code></td>
@@ -47,8 +59,8 @@
             <td>having been featured given number of times</td>
         </tr>
         <tr>
-            <td><code>date</code></td>
-            <td>posted at given date</td>
+            <td><code>type</code></td>
+            <td>given type of posts. <code>&lt;value&gt;</code> can be either <code>image</code>, <code>animation</code> (or <code>animated</code> or <code>anim</code>), <code>flash</code> (or <code>swf</code>) or <code>video</code> (or <code>webm</code>).</td>
         </tr>
         <tr>
             <td><code>file-size</code></td>
@@ -67,8 +79,72 @@
             <td>having given number of pixels (image width * image height)</td>
         </tr>
         <tr>
-            <td><code>type</code></td>
-            <td>given type of posts (<code>&lt;value&gt;</code> can be either <code>image</code>, <code>flash</code>/<code>swf</code>, <code>youtube</code>/<code>yt</code>, <code>video</code> or <code>animation</code>)</td>
+            <td><code>width</code></td>
+            <td>alias of <code>image-width</code></td>
+        </tr>
+        <tr>
+            <td><code>height</code></td>
+            <td>alias of <code>image-height</code></td>
+        </tr>
+        <tr>
+            <td><code>area</code></td>
+            <td>alias of <code>image-area</code></td>
+        </tr>
+        <tr>
+            <td><code>creation-date</code></td>
+            <td>posted at given date</td>
+        </tr>
+        <tr>
+            <td><code>creation-time</code></td>
+            <td>alias of <code>creation-date</code></td>
+        </tr>
+        <tr>
+            <td><code>date</code></td>
+            <td>alias of <code>creation-date</code></td>
+        </tr>
+        <tr>
+            <td><code>time</code></td>
+            <td>alias of <code>creation-date</code></td>
+        </tr>
+        <tr>
+            <td><code>last-edit-date</code></td>
+            <td>edited at given date</td>
+        </tr>
+        <tr>
+            <td><code>last-edit-time</code></td>
+            <td>alias of <code>last-edit-date</code></td>
+        </tr>
+        <tr>
+            <td><code>edit-date</code></td>
+            <td>alias of <code>last-edit-date</code></td>
+        </tr>
+        <tr>
+            <td><code>edit-time</code></td>
+            <td>alias of <code>last-edit-date</code></td>
+        </tr>
+        <tr>
+            <td><code>comment-date</code></td>
+            <td>commented at given date</td>
+        </tr>
+        <tr>
+            <td><code>comment-time</code></td>
+            <td>alias of <code>comment-date</code></td>
+        </tr>
+        <tr>
+            <td><code>fav-date</code></td>
+            <td>last favorited at given date</td>
+        </tr>
+        <tr>
+            <td><code>fav-time</code></td>
+            <td>alias of <code>fav-date</code></td>
+        </tr>
+        <tr>
+            <td><code>feature-date</code></td>
+            <td>featured at given date</td>
+        </tr>
+        <tr>
+            <td><code>feature-time</code></td>
+            <td>alias of <code>feature-time</code></td>
         </tr>
     </tbody>
 </table>
@@ -83,29 +159,33 @@
         </tr>
         <tr>
             <td><code>id</code></td>
-            <td>highest to lowest post ID</td>
+            <td>highest to lowest post number</td>
         </tr>
         <tr>
             <td><code>score</code></td>
             <td>highest scored</td>
         </tr>
         <tr>
-            <td><code>fav-count</code></td>
-            <td>loved by most</td>
+            <td><code>tag-count</code></td>
+            <td>with most tags</td>
         </tr>
         <tr>
             <td><code>comment-count</code></td>
             <td>most commented first</td>
         </tr>
         <tr>
-            <td><code>tag-count</code></td>
-            <td>with most tags</td>
+            <td><code>fav-count</code></td>
+            <td>loved by most</td>
         </tr>
         <tr>
             <td><code>note-count</code></td>
             <td>with most annotations</td>
         </tr>
         <tr>
+            <td><code>feature-count</code></td>
+            <td>most often featured</td>
+        </tr>
+        <tr>
             <td><code>file-size</code></td>
             <td>largest files first</td>
         </tr>
@@ -122,28 +202,72 @@
             <td>largest images first</td>
         </tr>
         <tr>
+            <td><code>width</code></td>
+            <td>alias of <code>image-width</code></td>
+        </tr>
+        <tr>
+            <td><code>height</code></td>
+            <td>alias of <code>image-height</code></td>
+        </tr>
+        <tr>
+            <td><code>area</code></td>
+            <td>alias of <code>image-area</code></td>
+        </tr>
+        <tr>
             <td><code>creation-date</code></td>
             <td>newest to oldest (pretty much same as <code>id</code>)</td>
         </tr>
         <tr>
-            <td><code>edit-date</code></td>
+            <td><code>creation-time</code></td>
+            <td>alias of <code>creation-date</code></td>
+        </tr>
+        <tr>
+            <td><code>date</code></td>
+            <td>alias of <code>creation-date</code></td>
+        </tr>
+        <tr>
+            <td><code>time</code></td>
+            <td>alias of <code>creation-date</code></td>
+        </tr>
+        <tr>
+            <td><code>last-edit-date</code></td>
             <td>like <code>creation-date</code>, only looks at last edit time</td>
         </tr>
         <tr>
-            <td><code>fav-date</code></td>
-            <td>recently added to favorites by anyone</td>
+            <td><code>last-edit-time</code></td>
+            <td>alias of <code>last-edit-date</code></td>
+        </tr>
+        <tr>
+            <td><code>edit-date</code></td>
+            <td>alias of <code>last-edit-date</code></td>
+        </tr>
+        <tr>
+            <td><code>edit-time</code></td>
+            <td>alias of <code>last-edit-date</code></td>
         </tr>
         <tr>
             <td><code>comment-date</code></td>
             <td>recently commented by anyone</td>
         </tr>
         <tr>
+            <td><code>comment-time</code></td>
+            <td>alias of <code>comment-date</code></td>
+        </tr>
+        <tr>
+            <td><code>fav-date</code></td>
+            <td>recently added to favorites by anyone</td>
+        </tr>
+        <tr>
+            <td><code>fav-time</code></td>
+            <td>alias of <code>fav-date</code></td>
+        </tr>
+        <tr>
             <td><code>feature-date</code></td>
             <td>recently featured</td>
         </tr>
         <tr>
-            <td><code>feature-count</code></td>
-            <td>most often featured</td>
+            <td><code>feature-time</code></td>
+            <td>alias of <code>feature-time</code></td>
         </tr>
     </tbody>
 </table>
diff --git a/server/szurubooru/api/post_api.py b/server/szurubooru/api/post_api.py
index ed049f3..e848555 100644
--- a/server/szurubooru/api/post_api.py
+++ b/server/szurubooru/api/post_api.py
@@ -1,8 +1,19 @@
 import datetime
+from szurubooru import search
 from szurubooru.api.base_api import BaseApi
 from szurubooru.func import auth, tags, posts, snapshots, favorites, scores
 
 class PostListApi(BaseApi):
+    def __init__(self):
+        super().__init__()
+        self._search_executor = search.SearchExecutor(search.PostSearchConfig())
+
+    def get(self, ctx):
+        auth.verify_privilege(ctx.user, 'posts:list')
+        self._search_executor.config.user = ctx.user
+        return self._search_executor.execute_and_serialize(
+            ctx, lambda post: posts.serialize_post(post, ctx.user))
+
     def post(self, ctx):
         auth.verify_privilege(ctx.user, 'posts:create')
         content = ctx.get_file('content', required=True)
diff --git a/server/szurubooru/db/post.py b/server/szurubooru/db/post.py
index 7affa73..081e97f 100644
--- a/server/szurubooru/db/post.py
+++ b/server/szurubooru/db/post.py
@@ -2,6 +2,7 @@ from sqlalchemy import Column, Integer, DateTime, String, Text, PickleType, Fore
 from sqlalchemy.orm import relationship, column_property, object_session
 from sqlalchemy.sql.expression import func, select
 from szurubooru.db.base import Base
+from szurubooru.db.comment import Comment
 
 class PostFeature(Base):
     __tablename__ = 'post_feature'
@@ -117,6 +118,8 @@ class Post(Base):
         .where(PostTag.post_id == post_id) \
         .correlate_except(PostTag))
 
+    canvas_area = column_property(canvas_width * canvas_height)
+
     @property
     def is_featured(self):
         featured_post = object_session(self) \
@@ -125,12 +128,10 @@ class Post(Base):
             .first()
         return featured_post and featured_post.post_id == self.post_id
 
-    @property
-    def score(self):
-        return object_session(self) \
-            .query(func.sum(PostScore.score)) \
-            .filter(PostScore.post_id == self.post_id) \
-            .one()[0] or 0
+    score = column_property(
+        select([func.coalesce(func.sum(PostScore.score), 0)]) \
+        .where(PostScore.post_id == post_id) \
+        .correlate_except(PostScore))
 
     favorite_count = column_property(
         select([func.count(PostFavorite.post_id)]) \
@@ -152,10 +153,22 @@ class Post(Base):
         .where(PostFeature.post_id == post_id) \
         .correlate_except(PostFeature))
 
-    # TODO: wire these
-    #comment_count = Column('auto_comment_count', Integer, nullable=False, default=0)
-    #note_count = Column('auto_note_count', Integer, nullable=False, default=0)
-    #last_comment_edit_time = Column(
-    #    'auto_comment_creation_time', Integer, nullable=False, default=0)
-    #last_comment_creation_time = Column(
-    #    'auto_comment_edit_time', Integer, nullable=False, default=0)
+    comment_count = column_property(
+        select([func.count(Comment.post_id)]) \
+        .where(Comment.post_id == post_id) \
+        .correlate_except(Comment))
+
+    last_comment_creation_time = column_property(
+        select([func.max(Comment.creation_time)]) \
+        .where(Comment.post_id == post_id) \
+        .correlate_except(Comment))
+
+    last_comment_edit_time = column_property(
+        select([func.max(Comment.last_edit_time)]) \
+        .where(Comment.post_id == post_id) \
+        .correlate_except(Comment))
+
+    note_count = column_property(
+        select([func.count(PostNote.post_id)]) \
+        .where(PostNote.post_id == post_id) \
+        .correlate_except(PostNote))
diff --git a/server/szurubooru/func/util.py b/server/szurubooru/func/util.py
index 2fcddd8..a80485d 100644
--- a/server/szurubooru/func/util.py
+++ b/server/szurubooru/func/util.py
@@ -4,6 +4,15 @@ import re
 from sqlalchemy.inspection import inspect
 from szurubooru.errors import ValidationError
 
+def unalias_dict(input_dict):
+    output_dict = {}
+    for key_list, value in input_dict.items():
+        if isinstance(key_list, str):
+            key_list = [key_list]
+        for key in key_list:
+            output_dict[key] = value
+    return output_dict
+
 def get_md5(source):
     if not isinstance(source, bytes):
         source = source.encode('utf-8')
diff --git a/server/szurubooru/search/__init__.py b/server/szurubooru/search/__init__.py
index 14db2bc..d16e987 100644
--- a/server/szurubooru/search/__init__.py
+++ b/server/szurubooru/search/__init__.py
@@ -5,3 +5,4 @@ from szurubooru.search.user_search_config import UserSearchConfig
 from szurubooru.search.snapshot_search_config import SnapshotSearchConfig
 from szurubooru.search.tag_search_config import TagSearchConfig
 from szurubooru.search.comment_search_config import CommentSearchConfig
+from szurubooru.search.post_search_config import PostSearchConfig
diff --git a/server/szurubooru/search/base_search_config.py b/server/szurubooru/search/base_search_config.py
index 530b85a..3822199 100644
--- a/server/szurubooru/search/base_search_config.py
+++ b/server/szurubooru/search/base_search_config.py
@@ -1,8 +1,12 @@
 import sqlalchemy
 import szurubooru.errors
+from szurubooru import db
 from szurubooru.func import util
 from szurubooru.search import criteria
 
+def wildcard_transformer(value):
+    return value.replace('*', '%')
+
 class BaseSearchConfig(object):
     SORT_DESC = -1
     SORT_ASC = 1
@@ -50,17 +54,16 @@ class BaseSearchConfig(object):
             BaseSearchConfig._apply_num_criterion_to_column(column, criterion))
 
     @staticmethod
-    def _apply_str_criterion_to_column(column, criterion):
+    def _apply_str_criterion_to_column(column, criterion, transformer):
         '''
         Decorate SQLAlchemy filter on given column using supplied criterion.
-        Parse potential wildcards inside the criterion.
         '''
         if isinstance(criterion, criteria.PlainSearchCriterion):
-            expr = column.like(criterion.value.replace('*', '%'))
+            expr = column.like(transformer(criterion.value))
         elif isinstance(criterion, criteria.ArraySearchCriterion):
             expr = sqlalchemy.sql.false()
             for value in criterion.values:
-                expr = expr | column.like(value.replace('*', '%'))
+                expr = expr | column.like(transformer(value))
         elif isinstance(criterion, criteria.RangedSearchCriterion):
             raise szurubooru.errors.SearchError(
                 'Composite token %r is invalid in this context.' % (criterion,))
@@ -71,9 +74,10 @@ class BaseSearchConfig(object):
         return expr
 
     @staticmethod
-    def _create_str_filter(column):
+    def _create_str_filter(column, transformer=wildcard_transformer):
         return lambda query, criterion: query.filter(
-            BaseSearchConfig._apply_str_criterion_to_column(column, criterion))
+            BaseSearchConfig._apply_str_criterion_to_column(
+                column, criterion, transformer))
 
     @staticmethod
     def _apply_date_criterion_to_column(column, criterion):
@@ -111,3 +115,21 @@ class BaseSearchConfig(object):
     def _create_date_filter(column):
         return lambda query, criterion: query.filter(
             BaseSearchConfig._apply_date_criterion_to_column(column, criterion))
+
+    @staticmethod
+    def _create_subquery_filter(
+            left_id_column,
+            right_id_column,
+            filter_column,
+            filter_factory,
+            subquery_decorator=None):
+        filter_func = filter_factory(filter_column)
+        def func(query, criterion):
+            subquery = db.session.query(right_id_column.label('foreign_id'))
+            if subquery_decorator:
+                subquery = subquery_decorator(subquery)
+            subquery = subquery.options(sqlalchemy.orm.lazyload('*'))
+            subquery = filter_func(subquery, criterion)
+            subquery = subquery.subquery('t')
+            return query.filter(left_id_column == subquery.c.foreign_id)
+        return func
diff --git a/server/szurubooru/search/comment_search_config.py b/server/szurubooru/search/comment_search_config.py
index c01979d..52fa779 100644
--- a/server/szurubooru/search/comment_search_config.py
+++ b/server/szurubooru/search/comment_search_config.py
@@ -19,6 +19,7 @@ class CommentSearchConfig(BaseSearchConfig):
             'id': self._create_num_filter(db.Comment.comment_id),
             'post': self._create_num_filter(db.Comment.post_id),
             'user': self._create_str_filter(db.User.name),
+            'author': self._create_str_filter(db.User.name),
             'text': self._create_str_filter(db.Comment.text),
             'creation-date': self._create_date_filter(db.Comment.creation_time),
             'creation-time': self._create_date_filter(db.Comment.creation_time),
@@ -33,6 +34,7 @@ class CommentSearchConfig(BaseSearchConfig):
         return {
             'random': (func.random(), None),
             'user': (db.User.name, self.SORT_ASC),
+            'author': (db.User.name, self.SORT_ASC),
             'post': (db.Comment.post_id, self.SORT_DESC),
             'creation-date': (db.Comment.creation_time, self.SORT_DESC),
             'creation-time': (db.Comment.creation_time, self.SORT_DESC),
diff --git a/server/szurubooru/search/post_search_config.py b/server/szurubooru/search/post_search_config.py
new file mode 100644
index 0000000..79dc7ba
--- /dev/null
+++ b/server/szurubooru/search/post_search_config.py
@@ -0,0 +1,175 @@
+from sqlalchemy.sql.expression import func
+from szurubooru import db, errors
+from szurubooru.func import util
+from szurubooru.search.base_search_config import BaseSearchConfig
+
+def _type_transformer(value):
+    available_types = {
+        'image': db.Post.TYPE_IMAGE,
+        'animation': db.Post.TYPE_ANIMATION,
+        'animated': db.Post.TYPE_ANIMATION,
+        'anim': db.Post.TYPE_ANIMATION,
+        'gif': db.Post.TYPE_ANIMATION,
+        'video': db.Post.TYPE_VIDEO,
+        'webm': db.Post.TYPE_VIDEO,
+        'flash': db.Post.TYPE_FLASH,
+        'swf': db.Post.TYPE_FLASH,
+    }
+    try:
+        return available_types[value.lower()]
+    except KeyError:
+        raise errors.SearchError('Invalid type: %r. Available types: %r.' % (
+            value, available_types))
+
+class PostSearchConfig(BaseSearchConfig):
+    def create_query(self):
+        return db.session.query(db.Post)
+
+    def finalize_query(self, query):
+        return query.order_by(db.Post.creation_time.desc())
+
+    @property
+    def anonymous_filter(self):
+        return self._create_subquery_filter(
+            db.Post.post_id,
+            db.PostTag.post_id,
+            db.TagName.name,
+            self._create_str_filter,
+            lambda subquery: subquery.join(db.Tag).join(db.TagName))
+
+    @property
+    def named_filters(self):
+        return util.unalias_dict({
+            'id': self._create_num_filter(db.Post.post_id),
+            'tag': self._create_subquery_filter(
+                db.Post.post_id,
+                db.PostTag.post_id,
+                db.TagName.name,
+                self._create_str_filter,
+                lambda subquery: subquery.join(db.Tag).join(db.TagName)),
+            'score': self._create_num_filter(db.Post.score),
+            ('uploader', 'upload', 'submit'):
+                self._create_subquery_filter(
+                    db.Post.user_id,
+                    db.User.user_id,
+                    db.User.name,
+                    self._create_str_filter),
+            'comment': self._create_subquery_filter(
+                db.Post.post_id,
+                db.Comment.post_id,
+                db.User.name,
+                self._create_str_filter,
+                lambda subquery: subquery.join(db.User)),
+            'fav': self._create_subquery_filter(
+                db.Post.post_id,
+                db.PostFavorite.post_id,
+                db.User.name,
+                self._create_str_filter,
+                lambda subquery: subquery.join(db.User)),
+            'tag-count': self._create_num_filter(db.Post.tag_count),
+            'comment-count': self._create_num_filter(db.Post.comment_count),
+            'fav-count': self._create_num_filter(db.Post.favorite_count),
+            'note-count': self._create_num_filter(db.Post.note_count),
+            'feature-count': self._create_num_filter(db.Post.feature_count),
+            'type': self._create_str_filter(db.Post.type, _type_transformer),
+            'file-size': self._create_num_filter(db.Post.file_size),
+            ('image-width', 'width'):
+                self._create_num_filter(db.Post.canvas_width),
+            ('image-height', 'height'):
+                self._create_num_filter(db.Post.canvas_height),
+            ('image-area', 'area'):
+                self._create_num_filter(db.Post.canvas_area),
+            ('creation-date', 'creation-time', 'date', 'time'):
+                self._create_date_filter(db.Post.creation_time),
+            ('last-edit-date', 'last-edit-time', 'edit-date', 'edit-time'):
+                self._create_date_filter(db.Post.last_edit_time),
+            ('comment-date', 'comment-time'):
+                self._create_date_filter(db.Post.last_comment_edit_time),
+            ('fav-date', 'fav-time'):
+                self._create_date_filter(db.Post.last_favorite_time),
+            ('feature-date', 'feature-time'):
+                self._create_date_filter(db.Post.last_feature_time),
+        })
+
+    @property
+    def sort_columns(self):
+        return util.unalias_dict({
+            'random': (func.random(), None),
+            'id': (db.Post.post_id, self.SORT_DESC),
+            'score': (db.Post.score, self.SORT_DESC),
+            'tag-count': (db.Post.tag_count, self.SORT_DESC),
+            'comment-count': (db.Post.comment_count, self.SORT_DESC),
+            'fav-count': (db.Post.favorite_count, self.SORT_DESC),
+            'note-count': (db.Post.note_count, self.SORT_DESC),
+            'feature-count': (db.Post.feature_count, self.SORT_DESC),
+            'file-size': (db.Post.file_size, self.SORT_DESC),
+            ('image-width', 'width'): (db.Post.canvas_width, self.SORT_DESC),
+            ('image-height', 'height'): (db.Post.canvas_height, self.SORT_DESC),
+            ('image-area', 'area'): (db.Post.canvas_area, self.SORT_DESC),
+            ('creation-date', 'creation-time', 'date', 'time'):
+                (db.Post.creation_time, self.SORT_DESC),
+            ('last-edit-date', 'last-edit-time', 'edit-date', 'edit-time'):
+                (db.Post.last_edit_time, self.SORT_DESC),
+            ('comment-date', 'comment-time'):
+                (db.Post.last_comment_edit_time, self.SORT_DESC),
+            ('fav-date', 'fav-time'):
+                (db.Post.last_favorite_time, self.SORT_DESC),
+            ('feature-date', 'feature-time'):
+                (db.Post.last_feature_time, self.SORT_DESC),
+        })
+
+    @property
+    def special_filters(self):
+        return {
+            'liked': self.own_liked_filter,
+            'disliked': self.own_disliked_filter,
+            'fav': self.own_fav_filter,
+            'tumbleweed': self.tumbleweed_filter,
+        }
+
+    def own_liked_filter(self, query, negated):
+        assert self.user
+        if self.user.rank == 'anonymous':
+            raise errors.SearchError('Must be logged in to use this feature.')
+        expr = db.Post.post_id.in_(
+            db.session \
+                .query(db.PostScore.post_id) \
+                .filter(db.PostScore.user_id == self.user.user_id) \
+                .filter(db.PostScore.score == 1))
+        if negated:
+            expr = ~expr
+        return query.filter(expr)
+
+    def own_disliked_filter(self, query, negated):
+        assert self.user
+        if self.user.rank == 'anonymous':
+            raise errors.SearchError('Must be logged in to use this feature.')
+        expr = db.Post.post_id.in_(
+            db.session \
+                .query(db.PostScore.post_id) \
+                .filter(db.PostScore.user_id == self.user.user_id) \
+                .filter(db.PostScore.score == -1))
+        if negated:
+            expr = ~expr
+        return query.filter(expr)
+
+    def own_fav_filter(self, query, negated):
+        assert self.user
+        if self.user.rank == 'anonymous':
+            raise errors.SearchError('Must be logged in to use this feature.')
+        expr = db.Post.post_id.in_(
+            db.session \
+                .query(db.PostFavorite.post_id) \
+                .filter(db.PostFavorite.user_id == self.user.user_id))
+        if negated:
+            expr = ~expr
+        return query.filter(expr)
+
+    def tumbleweed_filter(self, query, negated):
+        expr = \
+            (db.Post.comment_count == 0) \
+            & (db.Post.favorite_count == 0) \
+            & (db.Post.score == 0)
+        if negated:
+            expr = ~expr
+        return query.filter(expr)
diff --git a/server/szurubooru/search/search_executor.py b/server/szurubooru/search/search_executor.py
index 7a3ac8a..bade7a4 100644
--- a/server/szurubooru/search/search_executor.py
+++ b/server/szurubooru/search/search_executor.py
@@ -10,7 +10,7 @@ class SearchExecutor(object):
     '''
 
     def __init__(self, search_config):
-        self._search_config = search_config
+        self.config = search_config
 
     def execute(self, query_text, page, page_size):
         '''
@@ -43,7 +43,7 @@ class SearchExecutor(object):
 
     def _prepare(self, query_text):
         ''' Parse input and return SQLAlchemy query. '''
-        query = self._search_config.create_query() \
+        query = self.config.create_query() \
             .options(sqlalchemy.orm.lazyload('*'))
         for token in re.split(r'\s+', (query_text or '').lower()):
             if not token:
@@ -60,7 +60,7 @@ class SearchExecutor(object):
                 query = self._handle_anonymous(
                     query, self._create_criterion(token, negated))
 
-        query = self._search_config.finalize_query(query)
+        query = self.config.finalize_query(query)
         return query
 
     def _handle_key_value(self, query, key, value, negated):
@@ -72,10 +72,10 @@ class SearchExecutor(object):
             return self._handle_named(query, key, value, negated)
 
     def _handle_anonymous(self, query, criterion):
-        if not self._search_config.anonymous_filter:
+        if not self.config.anonymous_filter:
             raise errors.SearchError(
                 'Anonymous tokens are not valid in this context.')
-        return self._search_config.anonymous_filter(query, criterion)
+        return self.config.anonymous_filter(query, criterion)
 
     def _handle_named(self, query, key, value, negated):
         if key.endswith('-min'):
@@ -85,19 +85,18 @@ class SearchExecutor(object):
             key = key[:-4]
             value = '..' + value
         criterion = self._create_criterion(value, negated)
-        if key in self._search_config.named_filters:
-            return self._search_config.named_filters[key](query, criterion)
+        if key in self.config.named_filters:
+            return self.config.named_filters[key](query, criterion)
         raise errors.SearchError(
             'Unknown named token: %r. Available named tokens: %r.' % (
-                key, list(self._search_config.named_filters.keys())))
+                key, list(self.config.named_filters.keys())))
 
     def _handle_special(self, query, value, negated):
-        if value in self._search_config.special_filters:
-            return self._search_config.special_filters[value](
-                query, value, negated)
+        if value in self.config.special_filters:
+            return self.config.special_filters[value](query, negated)
         raise errors.SearchError(
             'Unknown special token: %r. Available special tokens: %r.' % (
-                value, list(self._search_config.special_filters.keys())))
+                value, list(self.config.special_filters.keys())))
 
     def _handle_sort(self, query, value, negated):
         if value.count(',') == 0:
@@ -108,14 +107,14 @@ class SearchExecutor(object):
             raise errors.SearchError('Too many commas in sort style token.')
 
         try:
-            column, default_sort = self._search_config.sort_columns[value]
+            column, default_sort = self.config.sort_columns[value]
         except KeyError:
             raise errors.SearchError(
                 'Unknown sort style: %r. Available sort styles: %r.' % (
-                    value, list(self._search_config.sort_columns.keys())))
+                    value, list(self.config.sort_columns.keys())))
 
-        sort_asc = self._search_config.SORT_ASC
-        sort_desc = self._search_config.SORT_DESC
+        sort_asc = self.config.SORT_ASC
+        sort_desc = self.config.SORT_DESC
 
         try:
             sort_map = {
diff --git a/server/szurubooru/tests/api/test_post_retrieving.py b/server/szurubooru/tests/api/test_post_retrieving.py
index 369fa79..b32e52d 100644
--- a/server/szurubooru/tests/api/test_post_retrieving.py
+++ b/server/szurubooru/tests/api/test_post_retrieving.py
@@ -21,9 +21,62 @@ def test_ctx(
     ret.context_factory = context_factory
     ret.user_factory = user_factory
     ret.post_factory = post_factory
+    ret.list_api = api.PostListApi()
     ret.detail_api = api.PostDetailApi()
     return ret
 
+def test_retrieving_multiple(test_ctx):
+    post1 = test_ctx.post_factory(id=1)
+    post2 = test_ctx.post_factory(id=2)
+    db.session.add_all([post1, post2])
+    result = test_ctx.list_api.get(
+        test_ctx.context_factory(
+            input={'query': '', 'page': 1},
+            user=test_ctx.user_factory(rank='regular_user')))
+    assert result['query'] == ''
+    assert result['page'] == 1
+    assert result['pageSize'] == 100
+    assert result['total'] == 2
+    assert [t['id'] for t in result['results']] == [1, 2]
+
+def test_using_special_tokens(
+        test_ctx, config_injector):
+    auth_user = test_ctx.user_factory(rank='regular_user')
+    post1 = test_ctx.post_factory(id=1)
+    post2 = test_ctx.post_factory(id=2)
+    post1.favorited_by = [db.PostFavorite(
+        user=auth_user, time=datetime.datetime.now())]
+    db.session.add_all([post1, post2, auth_user])
+    db.session.flush()
+    result = test_ctx.list_api.get(
+        test_ctx.context_factory(
+            input={'query': 'special:fav', 'page': 1},
+            user=auth_user))
+    assert result['query'] == 'special:fav'
+    assert result['page'] == 1
+    assert result['pageSize'] == 100
+    assert result['total'] == 1
+    assert [t['id'] for t in result['results']] == [1]
+
+def test_trying_to_use_special_tokens_without_logging_in(
+        test_ctx, config_injector):
+    config_injector({
+        'privileges': {'posts:list': 'anonymous'},
+        'ranks': ['anonymous'],
+    })
+    with pytest.raises(errors.SearchError):
+        test_ctx.list_api.get(
+            test_ctx.context_factory(
+                input={'query': 'special:fav', 'page': 1},
+                user=test_ctx.user_factory(rank='anonymous')))
+
+def test_trying_to_retrieve_multiple_without_privileges(test_ctx):
+    with pytest.raises(errors.AuthError):
+        test_ctx.list_api.get(
+            test_ctx.context_factory(
+                input={'query': '', 'page': 1},
+                user=test_ctx.user_factory(rank='anonymous')))
+
 def test_retrieving_single(test_ctx):
     db.session.add(test_ctx.post_factory(id=1))
     result = test_ctx.detail_api.get(
diff --git a/server/szurubooru/tests/search/test_post_search_config.py b/server/szurubooru/tests/search/test_post_search_config.py
new file mode 100644
index 0000000..2a9e8bb
--- /dev/null
+++ b/server/szurubooru/tests/search/test_post_search_config.py
@@ -0,0 +1,578 @@
+import datetime
+import pytest
+from szurubooru import db, errors, search
+
+@pytest.fixture
+def fav_factory(user_factory):
+    def factory(post, user=None):
+        return db.PostFavorite(
+            post=post, user=user or user_factory(), time=datetime.datetime.now())
+    return factory
+
+@pytest.fixture
+def score_factory(user_factory):
+    def factory(post, user=None, score=1):
+        return db.PostScore(
+            post=post,
+            user=user or user_factory(),
+            time=datetime.datetime.now(),
+            score=score)
+    return factory
+
+@pytest.fixture
+def note_factory():
+    def factory(post=None):
+        if post:
+            return db.PostNote(polygon='...', text='...', post=post)
+        return db.PostNote(polygon='...', text='...')
+    return factory
+
+@pytest.fixture
+def feature_factory(user_factory):
+    def factory(post=None):
+        if post:
+            return db.PostFeature(
+                time=datetime.datetime.now(), user=user_factory(), post=post)
+        return db.PostFeature(time=datetime.datetime.now(), user=user_factory())
+    return factory
+
+@pytest.fixture
+def executor(user_factory):
+    return search.SearchExecutor(search.PostSearchConfig())
+
+@pytest.fixture
+def auth_executor(executor, user_factory):
+    def wrapper():
+        auth_user = user_factory()
+        db.session.add(auth_user)
+        db.session.flush()
+        executor.config.user = auth_user
+        return auth_user
+    return wrapper
+
+@pytest.fixture
+def verify_unpaged(executor):
+    def verify(input, expected_post_ids, test_order=False):
+        actual_count, actual_posts = executor.execute(
+            input, page=1, page_size=100)
+        actual_post_ids = list([p.post_id for p in actual_posts])
+        print(actual_post_ids, expected_post_ids)
+        assert actual_count == len(expected_post_ids)
+        if not test_order:
+            actual_post_ids = sorted(actual_post_ids)
+            expected_post_ids = sorted(expected_post_ids)
+        assert actual_post_ids == expected_post_ids
+    return verify
+
+@pytest.mark.parametrize('input,expected_post_ids', [
+    ('id:1', [1]),
+    ('id:3', [3]),
+    ('id:1,3', [1, 3]),
+])
+def test_filter_by_id(verify_unpaged, post_factory, input, expected_post_ids):
+    post1 = post_factory(id=1)
+    post2 = post_factory(id=2)
+    post3 = post_factory(id=3)
+    db.session.add_all([post1, post2, post3])
+    verify_unpaged(input, expected_post_ids)
+
+@pytest.mark.parametrize('input,expected_post_ids', [
+    ('tag:t1', [1]),
+    ('tag:t2', [2]),
+    ('tag:t1,t2', [1, 2]),
+    ('tag:t4a', [4]),
+    ('tag:t4b', [4]),
+])
+def test_filter_by_tag(
+        verify_unpaged, post_factory, tag_factory, input, expected_post_ids):
+    post1 = post_factory(id=1)
+    post2 = post_factory(id=2)
+    post3 = post_factory(id=3)
+    post4 = post_factory(id=4)
+    post1.tags=[tag_factory(names=['t1'])]
+    post2.tags=[tag_factory(names=['t2'])]
+    post3.tags=[tag_factory(names=['t3'])]
+    post4.tags=[tag_factory(names=['t4a', 't4b'])]
+    db.session.add_all([post1, post2, post3, post4])
+    verify_unpaged(input, expected_post_ids)
+
+@pytest.mark.parametrize('input,expected_post_ids', [
+    ('score:1', [1]),
+    ('score:3', [3]),
+    ('score:1,3', [1, 3]),
+])
+def test_filter_by_score(
+        verify_unpaged, post_factory, user_factory, input, expected_post_ids):
+    post1 = post_factory(id=1)
+    post2 = post_factory(id=2)
+    post3 = post_factory(id=3)
+    for post in [post1, post2, post3]:
+        db.session.add(
+            db.PostScore(
+                score=post.post_id,
+                time=datetime.datetime.now(),
+                post=post,
+                user=user_factory()))
+    db.session.add_all([post1, post2, post3])
+    verify_unpaged(input, expected_post_ids)
+
+@pytest.mark.parametrize('input,expected_post_ids', [
+    ('uploader:u1', [1]),
+    ('uploader:u3', [3]),
+    ('uploader:u1,u3', [1, 3]),
+    ('upload:u1', [1]),
+    ('upload:u3', [3]),
+    ('upload:u1,u3', [1, 3]),
+    ('submit:u1', [1]),
+    ('submit:u3', [3]),
+    ('submit:u1,u3', [1, 3]),
+])
+def test_filter_by_uploader(
+        verify_unpaged, post_factory, user_factory, input, expected_post_ids):
+    post1 = post_factory(id=1)
+    post2 = post_factory(id=2)
+    post3 = post_factory(id=3)
+    post1.user = user_factory(name='u1')
+    post2.user = user_factory(name='u2')
+    post3.user = user_factory(name='u3')
+    db.session.add_all([post1, post2, post3])
+    verify_unpaged(input, expected_post_ids)
+
+@pytest.mark.parametrize('input,expected_post_ids', [
+    ('comment:u1', [1]),
+    ('comment:u3', [3]),
+    ('comment:u1,u3', [1, 3]),
+])
+def test_filter_by_commenter(
+        verify_unpaged,
+        post_factory,
+        user_factory,
+        comment_factory,
+        input,
+        expected_post_ids):
+    post1 = post_factory(id=1)
+    post2 = post_factory(id=2)
+    post3 = post_factory(id=3)
+    db.session.add_all([
+        comment_factory(post=post1, user=user_factory(name='u1')),
+        comment_factory(post=post2, user=user_factory(name='u2')),
+        comment_factory(post=post3, user=user_factory(name='u3')),
+        post1, post2, post3,
+    ])
+    verify_unpaged(input, expected_post_ids)
+
+@pytest.mark.parametrize('input,expected_post_ids', [
+    ('fav:u1', [1]),
+    ('fav:u3', [3]),
+    ('fav:u1,u3', [1, 3]),
+])
+def test_filter_by_favorite(
+        verify_unpaged,
+        post_factory,
+        user_factory,
+        fav_factory,
+        input,
+        expected_post_ids):
+    post1 = post_factory(id=1)
+    post2 = post_factory(id=2)
+    post3 = post_factory(id=3)
+    db.session.add_all([
+        fav_factory(post=post1, user=user_factory(name='u1')),
+        fav_factory(post=post2, user=user_factory(name='u2')),
+        fav_factory(post=post3, user=user_factory(name='u3')),
+        post1, post2, post3])
+    verify_unpaged(input, expected_post_ids)
+
+@pytest.mark.parametrize('input,expected_post_ids', [
+    ('tag-count:1', [1]),
+    ('tag-count:3', [3]),
+    ('tag-count:1,3', [1, 3]),
+])
+def test_filter_by_tag_count(
+        verify_unpaged, post_factory, tag_factory, input, expected_post_ids):
+    post1 = post_factory(id=1)
+    post2 = post_factory(id=2)
+    post3 = post_factory(id=3)
+    post1.tags=[tag_factory()]
+    post2.tags=[tag_factory(), tag_factory()]
+    post3.tags=[tag_factory(), tag_factory(), tag_factory()]
+    db.session.add_all([post1, post2, post3])
+    verify_unpaged(input, expected_post_ids)
+
+@pytest.mark.parametrize('input,expected_post_ids', [
+    ('comment-count:1', [1]),
+    ('comment-count:3', [3]),
+    ('comment-count:1,3', [1, 3]),
+])
+def test_filter_by_comment_count(
+        verify_unpaged, post_factory, comment_factory, input, expected_post_ids):
+    post1 = post_factory(id=1)
+    post2 = post_factory(id=2)
+    post3 = post_factory(id=3)
+    db.session.add_all([
+        comment_factory(post=post1),
+        comment_factory(post=post2),
+        comment_factory(post=post2),
+        comment_factory(post=post3),
+        comment_factory(post=post3),
+        comment_factory(post=post3),
+        post1, post2, post3])
+    verify_unpaged(input, expected_post_ids)
+
+@pytest.mark.parametrize('input,expected_post_ids', [
+    ('fav-count:1', [1]),
+    ('fav-count:3', [3]),
+    ('fav-count:1,3', [1, 3]),
+])
+def test_filter_by_favorite_count(
+        verify_unpaged, post_factory, fav_factory, input, expected_post_ids):
+    post1 = post_factory(id=1)
+    post2 = post_factory(id=2)
+    post3 = post_factory(id=3)
+    db.session.add_all([
+        fav_factory(post=post1),
+        fav_factory(post=post2),
+        fav_factory(post=post2),
+        fav_factory(post=post3),
+        fav_factory(post=post3),
+        fav_factory(post=post3),
+        post1, post2, post3])
+    verify_unpaged(input, expected_post_ids)
+
+@pytest.mark.parametrize('input,expected_post_ids', [
+    ('note-count:1', [1]),
+    ('note-count:3', [3]),
+    ('note-count:1,3', [1, 3]),
+])
+def test_filter_by_note_count(
+        verify_unpaged, post_factory, note_factory, input, expected_post_ids):
+    post1 = post_factory(id=1)
+    post2 = post_factory(id=2)
+    post3 = post_factory(id=3)
+    post1.notes=[note_factory()]
+    post2.notes=[note_factory(), note_factory()]
+    post3.notes=[note_factory(), note_factory(), note_factory()]
+    db.session.add_all([post1, post2, post3])
+    verify_unpaged(input, expected_post_ids)
+
+@pytest.mark.parametrize('input,expected_post_ids', [
+    ('feature-count:1', [1]),
+    ('feature-count:3', [3]),
+    ('feature-count:1,3', [1, 3]),
+])
+def test_filter_by_feature_count(
+        verify_unpaged, post_factory, feature_factory, input, expected_post_ids):
+    post1 = post_factory(id=1)
+    post2 = post_factory(id=2)
+    post3 = post_factory(id=3)
+    post1.features=[feature_factory()]
+    post2.features=[feature_factory(), feature_factory()]
+    post3.features=[feature_factory(), feature_factory(), feature_factory()]
+    db.session.add_all([post1, post2, post3])
+    verify_unpaged(input, expected_post_ids)
+
+@pytest.mark.parametrize('input,expected_post_ids', [
+    ('type:image', [1]),
+    ('type:anim', [2]),
+    ('type:animation', [2]),
+    ('type:gif', [2]),
+    ('type:video', [3]),
+    ('type:webm', [3]),
+    ('type:flash', [4]),
+    ('type:swf', [4]),
+])
+def test_filter_by_type(verify_unpaged, post_factory, input, expected_post_ids):
+    post1 = post_factory(id=1)
+    post2 = post_factory(id=2)
+    post3 = post_factory(id=3)
+    post4 = post_factory(id=4)
+    post1.type = db.Post.TYPE_IMAGE
+    post2.type = db.Post.TYPE_ANIMATION
+    post3.type = db.Post.TYPE_VIDEO
+    post4.type = db.Post.TYPE_FLASH
+    db.session.add_all([post1, post2, post3, post4])
+    verify_unpaged(input, expected_post_ids)
+
+def test_filter_by_invalid_type(executor):
+    with pytest.raises(errors.SearchError):
+        actual_count, actual_posts = executor.execute(
+            'type:invalid', page=1, page_size=100)
+
+@pytest.mark.parametrize('input,expected_post_ids', [
+    ('file-size:100', [1]),
+    ('file-size:102', [3]),
+    ('file-size:100,102', [1, 3]),
+])
+def test_filter_by_file_size(
+        verify_unpaged, post_factory, input, expected_post_ids):
+    post1 = post_factory(id=1)
+    post2 = post_factory(id=2)
+    post3 = post_factory(id=3)
+    post1.file_size = 100
+    post2.file_size = 101
+    post3.file_size = 102
+    db.session.add_all([post1, post2, post3])
+    verify_unpaged(input, expected_post_ids)
+
+@pytest.mark.parametrize('input,expected_post_ids', [
+    ('image-width:100', [1]),
+    ('image-width:102', [3]),
+    ('image-width:100,102', [1, 3]),
+    ('image-height:200', [1]),
+    ('image-height:202', [3]),
+    ('image-height:200,202', [1, 3]),
+    ('image-area:20000', [1]),
+    ('image-area:20604', [3]),
+    ('image-area:20000,20604', [1, 3]),
+])
+def test_filter_by_image_size(
+        verify_unpaged, post_factory, input, expected_post_ids):
+    post1 = post_factory(id=1)
+    post2 = post_factory(id=2)
+    post3 = post_factory(id=3)
+    post1.canvas_width = 100
+    post2.canvas_width = 101
+    post3.canvas_width = 102
+    post1.canvas_height = 200
+    post2.canvas_height = 201
+    post3.canvas_height = 202
+    db.session.add_all([post1, post2, post3])
+    verify_unpaged(input, expected_post_ids)
+
+@pytest.mark.parametrize('input,expected_post_ids', [
+    ('creation-date:2014', [1]),
+    ('creation-date:2016', [3]),
+    ('creation-date:2014,2016', [1, 3]),
+    ('creation-time:2014', [1]),
+    ('creation-time:2016', [3]),
+    ('creation-time:2014,2016', [1, 3]),
+    ('date:2014', [1]),
+    ('date:2016', [3]),
+    ('date:2014,2016', [1, 3]),
+    ('time:2014', [1]),
+    ('time:2016', [3]),
+    ('time:2014,2016', [1, 3]),
+])
+def test_filter_by_creation_time(
+        verify_unpaged, post_factory, input, expected_post_ids):
+    post1 = post_factory(id=1)
+    post2 = post_factory(id=2)
+    post3 = post_factory(id=3)
+    post1.creation_time = datetime.datetime(2014, 1, 1)
+    post2.creation_time = datetime.datetime(2015, 1, 1)
+    post3.creation_time = datetime.datetime(2016, 1, 1)
+    db.session.add_all([post1, post2, post3])
+    verify_unpaged(input, expected_post_ids)
+
+@pytest.mark.parametrize('input,expected_post_ids', [
+    ('last-edit-date:2014', [1]),
+    ('last-edit-date:2016', [3]),
+    ('last-edit-date:2014,2016', [1, 3]),
+    ('last-edit-time:2014', [1]),
+    ('last-edit-time:2016', [3]),
+    ('last-edit-time:2014,2016', [1, 3]),
+    ('edit-date:2014', [1]),
+    ('edit-date:2016', [3]),
+    ('edit-date:2014,2016', [1, 3]),
+    ('edit-time:2014', [1]),
+    ('edit-time:2016', [3]),
+    ('edit-time:2014,2016', [1, 3]),
+])
+def test_filter_by_last_edit_time(
+        verify_unpaged, post_factory, input, expected_post_ids):
+    post1 = post_factory(id=1)
+    post2 = post_factory(id=2)
+    post3 = post_factory(id=3)
+    post1.last_edit_time = datetime.datetime(2014, 1, 1)
+    post2.last_edit_time = datetime.datetime(2015, 1, 1)
+    post3.last_edit_time = datetime.datetime(2016, 1, 1)
+    db.session.add_all([post1, post2, post3])
+    verify_unpaged(input, expected_post_ids)
+
+@pytest.mark.parametrize('input,expected_post_ids', [
+    ('comment-date:2014', [1]),
+    ('comment-date:2016', [3]),
+    ('comment-date:2014,2016', [1, 3]),
+    ('comment-time:2014', [1]),
+    ('comment-time:2016', [3]),
+    ('comment-time:2014,2016', [1, 3]),
+])
+def test_filter_by_comment_date(
+        verify_unpaged, post_factory, comment_factory, input, expected_post_ids):
+    post1 = post_factory(id=1)
+    post2 = post_factory(id=2)
+    post3 = post_factory(id=3)
+    comment1 = comment_factory(post=post1)
+    comment2 = comment_factory(post=post2)
+    comment3 = comment_factory(post=post3)
+    comment1.last_edit_time = datetime.datetime(2014, 1, 1)
+    comment2.last_edit_time = datetime.datetime(2015, 1, 1)
+    comment3.last_edit_time = datetime.datetime(2016, 1, 1)
+    db.session.add_all([post1, post2, post3, comment1, comment2, comment3])
+    verify_unpaged(input, expected_post_ids)
+
+@pytest.mark.parametrize('input,expected_post_ids', [
+    ('fav-date:2014', [1]),
+    ('fav-date:2016', [3]),
+    ('fav-date:2014,2016', [1, 3]),
+    ('fav-time:2014', [1]),
+    ('fav-time:2016', [3]),
+    ('fav-time:2014,2016', [1, 3]),
+])
+def test_filter_by_fav_date(
+        verify_unpaged, post_factory, fav_factory, input, expected_post_ids):
+    post1 = post_factory(id=1)
+    post2 = post_factory(id=2)
+    post3 = post_factory(id=3)
+    fav1 = fav_factory(post=post1)
+    fav2 = fav_factory(post=post2)
+    fav3 = fav_factory(post=post3)
+    fav1.time = datetime.datetime(2014, 1, 1)
+    fav2.time = datetime.datetime(2015, 1, 1)
+    fav3.time = datetime.datetime(2016, 1, 1)
+    db.session.add_all([post1, post2, post3, fav1, fav2, fav3])
+    verify_unpaged(input, expected_post_ids)
+
+@pytest.mark.parametrize('input,expected_post_ids', [
+    ('feature-date:2014', [1]),
+    ('feature-date:2016', [3]),
+    ('feature-date:2014,2016', [1, 3]),
+    ('feature-time:2014', [1]),
+    ('feature-time:2016', [3]),
+    ('feature-time:2014,2016', [1, 3]),
+])
+def test_filter_by_feature_date(
+        verify_unpaged, post_factory, feature_factory, input, expected_post_ids):
+    post1 = post_factory(id=1)
+    post2 = post_factory(id=2)
+    post3 = post_factory(id=3)
+    feature1 = feature_factory(post=post1)
+    feature2 = feature_factory(post=post2)
+    feature3 = feature_factory(post=post3)
+    feature1.time = datetime.datetime(2014, 1, 1)
+    feature2.time = datetime.datetime(2015, 1, 1)
+    feature3.time = datetime.datetime(2016, 1, 1)
+    db.session.add_all([post1, post2, post3, feature1, feature2, feature3])
+    verify_unpaged(input, expected_post_ids)
+
+@pytest.mark.parametrize('input', [
+    'sort:random',
+    'sort:id',
+    'sort:score',
+    'sort:tag-count',
+    'sort:comment-count',
+    'sort:fav-count',
+    'sort:note-count',
+    'sort:feature-count',
+    'sort:file-size',
+    'sort:image-width',
+    'sort:width',
+    'sort:image-height',
+    'sort:height',
+    'sort:image-area',
+    'sort:area',
+    'sort:creation-date',
+    'sort:creation-time',
+    'sort:date',
+    'sort:time',
+    'sort:last-edit-date',
+    'sort:last-edit-time',
+    'sort:edit-date',
+    'sort:edit-time',
+    'sort:comment-date',
+    'sort:comment-time',
+    'sort:fav-date',
+    'sort:fav-time',
+    'sort:feature-date',
+    'sort:feature-time',
+])
+def test_sort_tokens(verify_unpaged, post_factory, input):
+    post1 = post_factory(id=1)
+    post2 = post_factory(id=2)
+    post3 = post_factory(id=3)
+    db.session.add_all([post1, post2, post3])
+    verify_unpaged(input, [1, 2, 3])
+
+@pytest.mark.parametrize('input,expected_post_ids', [
+    ('', [1, 2, 3, 4]),
+    ('t1', [1]),
+    ('t2', [2]),
+    ('t1,t2', [1, 2]),
+    ('t4a', [4]),
+    ('t4b', [4]),
+])
+def test_anonymous(
+        verify_unpaged, post_factory, tag_factory, input, expected_post_ids):
+    post1 = post_factory(id=1)
+    post2 = post_factory(id=2)
+    post3 = post_factory(id=3)
+    post4 = post_factory(id=4)
+    post1.tags=[tag_factory(names=['t1'])]
+    post2.tags=[tag_factory(names=['t2'])]
+    post3.tags=[tag_factory(names=['t3'])]
+    post4.tags=[tag_factory(names=['t4a', 't4b'])]
+    db.session.add_all([post1, post2, post3, post4])
+    verify_unpaged(input, expected_post_ids)
+
+def test_own_liked(
+        auth_executor, post_factory, score_factory, user_factory, verify_unpaged):
+    auth_user = auth_executor()
+    post1 = post_factory(id=1)
+    post2 = post_factory(id=2)
+    post3 = post_factory(id=3)
+    db.session.add_all([
+        score_factory(post=post1, user=auth_user, score=1),
+        score_factory(post=post2, user=user_factory(name='unrelated'), score=1),
+        score_factory(post=post3, user=auth_user, score=-1),
+        post1, post2, post3,
+    ])
+    verify_unpaged('special:liked', [1])
+    verify_unpaged('-special:liked', [2, 3])
+
+def test_own_disliked(
+        auth_executor, post_factory, score_factory, user_factory, verify_unpaged):
+    auth_user = auth_executor()
+    post1 = post_factory(id=1)
+    post2 = post_factory(id=2)
+    post3 = post_factory(id=3)
+    db.session.add_all([
+        score_factory(post=post1, user=auth_user, score=-1),
+        score_factory(post=post2, user=user_factory(name='unrelated'), score=-1),
+        score_factory(post=post3, user=auth_user, score=1),
+        post1, post2, post3,
+    ])
+    verify_unpaged('special:disliked', [1])
+    verify_unpaged('-special:disliked', [2, 3])
+
+def test_own_fav(
+        auth_executor, post_factory, fav_factory, user_factory, verify_unpaged):
+    auth_user = auth_executor()
+    post1 = post_factory(id=1)
+    post2 = post_factory(id=2)
+    db.session.add_all([
+        fav_factory(post=post1, user=auth_user),
+        fav_factory(post=post2, user=user_factory(name='unrelated')),
+        post1, post2,
+    ])
+    verify_unpaged('special:fav', [1])
+    verify_unpaged('-special:fav', [2])
+
+def test_tumbleweed(
+        executor,
+        post_factory,
+        fav_factory,
+        comment_factory,
+        score_factory,
+        verify_unpaged):
+    post1 = post_factory(id=1)
+    post2 = post_factory(id=2)
+    post3 = post_factory(id=3)
+    post4 = post_factory(id=4)
+    db.session.add_all([
+        comment_factory(post=post1),
+        score_factory(post=post2),
+        fav_factory(post=post3),
+        post1, post2, post3, post4,
+    ])
+    verify_unpaged('special:tumbleweed', [4])
+    verify_unpaged('-special:tumbleweed', [1, 2, 3])