def get_related_count(item_type: enums.ItemType = enums.ItemType.Gallery,
item_id: int = 0,
related_type: enums.ItemType = enums.ItemType.Page):
"""
Get count of items related to given item
Args:
item_type: parent item
item_id: id of parent item
related_type: child item
Returns:
```
{ 'id': int, 'count': int }
```
"""
item_type = enums.ItemType.get(item_type)
related_type = enums.ItemType.get(related_type)
_, parent_model = item_type._msg_and_model()
child_msg, child_model = related_type._msg_and_model()
col = db.relationship_column(parent_model, child_model)
if not col:
raise exceptions.APIError(
utils.this_function(),
"{} has no relationship with {}".format(related_type, item_type))
s = constants.db_session()
count = s.query(
child_model.id).join(col).filter(parent_model.id == item_id).count()
return message.Identity('count', {'id': item_id, 'count': count})
def get_related_items(
item_type: enums.ItemType = enums.ItemType.Gallery,
item_id: int = 0,
related_type: enums.ItemType = enums.ItemType.Page,
limit: int = 100,
offset: int = None,
):
"""
Get item related to given item
Args:
item_type: parent item
item_id: id of parent item
related_type: child item
limit: limit the amount of items returned
offset: offset the results by n items
Returns:
.. code-block:: guess
[
related item message object,
...
]
"""
if not item_id:
raise exceptions.APIError(utils.this_function(),
"item_id must be a valid item id")
item_type = enums.ItemType.get(item_type)
related_type = enums.ItemType.get(related_type)
_, parent_model = item_type._msg_and_model()
child_msg, child_model = related_type._msg_and_model()
col = db.relationship_column(parent_model, child_model)
if not col:
raise exceptions.APIError(
utils.this_function(),
"{} has no relationship with {}".format(related_type, item_type))
s = constants.db_session()
q = s.query(child_model.id).join(col).filter(parent_model.id == item_id)
if offset:
q = q.offset(offset)
item_ids = q.limit(limit).all()
items = database_cmd.GetModelItems().run(child_model,
{x[0]
for x in item_ids})
item_list = message.List(db.model_name(child_model), child_msg)
[item_list.append(child_msg(x)) for x in items]
return item_list
def update_item(item_type: enums.ItemType = enums.ItemType.Gallery,
item: dict = {},
options: dict = {}):
"""
Update an existing item
Args:
item_type: type of item to create
item: item messeage object
Returns:
bool indicating whether item was updated
"""
if not item:
raise exceptions.APIError(utils.this_function(),
"Item must be a message object")
if not item.get('id'):
raise exceptions.APIError(utils.this_function(),
"Item must have a valid id")
item_type = enums.ItemType.get(item_type)
db_msg, db_model = item_type._msg_and_model()
db_obj = db_msg.from_json(item,
ignore_empty=False,
skip_updating_existing=False)
status = database_cmd.UpdateItem().main(db_obj, options=options)
return message.Identity('status', status)
def new_item(item_type: enums.ItemType = enums.ItemType.Gallery,
item: dict = {},
options: dict = {}):
"""
Create a new item and add it to the database
Args:
item_type: type of item to create
item: item messeage object
Returns:
[]
|async command|
"""
if not item:
raise exceptions.APIError(utils.this_function(),
"item must be a message object")
if item.get('id', False) and not constants.dev:
raise exceptions.APIError(utils.this_function(),
"cannot create item with an id")
item_type = enums.ItemType.get(item_type)
db_msg, db_model = item_type._msg_and_model()
db_obj = db_msg.from_json(item)
cmd_id = database_cmd.AddItem(services.AsyncService.generic).run(
db_obj, options=options)
return message.Identity('command_id', cmd_id)
def get_common_tags(item_type: enums.ItemType = enums.ItemType.Collection,
item_id: int = 0,
limit: int = 10):
"""
Get the most common tags for item
Args:
item_type: possible items are :attr:`.ItemType.Artist`, :attr:`.ItemType.Grouping`, :attr:`.ItemType.Collection`
item_id: id of item to fetch tags for
limit: limit amount of tags returned
Returns:
.. code-block:: guess
{
namespace : [ tag message object, ...],
...
}
"""
item_type = enums.ItemType.get(item_type)
_, db_item = item_type._msg_and_model(
(enums.ItemType.Artist, enums.ItemType.Collection,
enums.ItemType.Grouping))
nstags = database_cmd.MostCommonTags().run(db_item, item_id, limit)
msg = _contruct_tags_msg(nstags)
return message.Identity('tags', msg)
def get_tags(item_type: enums.ItemType = enums.ItemType.Gallery,
item_id: int = 0,
raw: bool = False):
"""
Get tags for item
Args:
item_type: possible items are :attr:`.ItemType.Gallery`, :attr:`.ItemType.Page`,
:attr:`.ItemType.Grouping`, :attr:`.ItemType.Collection`
item_id: id of item to fetch tags for
raw: if true, tags from descendant ItemType's will not be included
(this only makes sense when ItemType is :attr:`.ItemType.Gallery`)
Returns:
```
{ namespace : list of tag message objects }
```
"""
item_type = enums.ItemType.get(item_type)
_, db_item = item_type._msg_and_model(
(enums.ItemType.Gallery, enums.ItemType.Collection,
enums.ItemType.Grouping, enums.ItemType.Page))
db_obj = database_cmd.GetModelItemByID().run(db_item, {item_id})
if db_obj:
db_obj = db_obj[0]
nstags = []
if db_obj:
g_objs = []
if issubclass(db_item, db.TaggableMixin):
nstags = db_obj.tags.all()
if not raw and isinstance(db_obj, db.Gallery):
g_objs.append(db_obj)
else:
for g in db_obj.galleries.all():
nstags.extend(g.tags.all())
if not raw:
g_objs.append(g)
for g_obj in g_objs:
for p in g_obj.pages.all(): # TODO: we only need tags
nstags.extend(p.tags.all())
msg = {}
_msg = {}
for nstag in nstags:
ns = nstag.namespace.name
if ns not in msg:
msg[ns] = []
_msg[ns] = []
if nstag.tag.name not in _msg[ns]:
msg[ns].append(
message.Tag(nstag.tag, nstag).json_friendly(include_key=False))
_msg[ns].append(nstag.tag.name)
return message.Identity('tags', msg)
def get_view_count(item_type: enums.ItemType = enums.ItemType.Gallery,
search_query: str = "",
filter_id: int = None,
view_filter: enums.ViewType = enums.ViewType.Library):
"""
Get count of items in view
Args:
item_type: possible items are :py:attr:`.ItemType.Gallery`, :py:attr:`.ItemType.Collection`, :py:attr:`.ItemType.Grouping`
search_query: filter item by search terms
filter_id: current filter list id
view_filter: ...
Returns:
```
{ 'count': int }
```
"""
view_filter = enums.ViewType.get(view_filter)
item_type = enums.ItemType.get(item_type)
db_msg, db_model = item_type._msg_and_model(
(enums.ItemType.Gallery, enums.ItemType.Collection,
enums.ItemType.Grouping))
model_ids = search_cmd.ModelFilter().run(db_model, search_query)
return message.Identity('count', {'count': len(model_ids)})
def get_similar(item_type: enums.ItemType = enums.ItemType.Gallery,
item_id: int = 0,
limit=10):
"""
Get similar items
Args:
item_type: possible items are :py:attr:`.ItemType.Gallery`
item_id: id of item
limit: amount of items
Returns:
.. code-block:: guess
[
item message object,
...
]
|async command|
"""
item_type = enums.ItemType.get(item_type)
db_msg, db_model = item_type._msg_and_model((enums.ItemType.Gallery, ))
c = gallery_cmd.SimilarGallery()
services.AsyncService.generic.add_command(
c,
functools.partial(_get_similar, {
'limit': limit,
'db_model': db_model,
'db_msg': db_msg
}))
return message.Identity('command', c.start(item_id))
def get_items(
item_type: enums.ItemType = enums.ItemType.Gallery,
limit: int = 100,
offset: int = None,
):
"""
Get a list of items
Args:
item_type: type of item to get
limit: limit the amount of items returned
offset: offset the results by n items
Returns:
.. code-block:: guess
[
item message object,
...
]
"""
item_type = enums.ItemType.get(item_type)
db_msg, db_model = item_type._msg_and_model()
items = database_cmd.GetModelItems().run(db_model,
limit=limit,
offset=offset)
item_list = message.List(db.model_name(db_model), db_msg)
[item_list.append(db_msg(i)) for i in items]
return item_list
def get_item(item_type: enums.ItemType = enums.ItemType.Gallery,
item_id: int = 0):
"""
Get item
Args:
item_type: type of item to get
item_id: id of item
Returns:
item message object
"""
if not item_id:
raise exceptions.APIError(
utils.this_function(),
f"A valid item id is required, not {item_id}")
item_type = enums.ItemType.get(item_type)
db_msg, db_model = item_type._msg_and_model()
item = database_cmd.GetModelItems().run(db_model, {item_id})[0]
if not item:
raise exceptions.DatabaseItemNotFoundError(
utils.this_function(),
"'{}' with id '{}' was not found".format(item_type.name, item_id))
return db_msg(item)
def get_tags(item_type: enums.ItemType = enums.ItemType.Gallery,
item_id: int = 0,
raw: bool = False):
"""
Get tags for item
Args:
item_type: possible items are :attr:`.ItemType.Gallery`, :attr:`.ItemType.Page`,
:attr:`.ItemType.Grouping`, :attr:`.ItemType.Collection`
item_id: id of item to fetch tags for
raw: if true, tags from descendant ItemType's will not be included
(this only makes sense when ItemType is :attr:`.ItemType.Gallery`)
Returns:
.. code-block:: guess
{
namespace : [ tag message object, ...],
...
}
"""
if not item_id:
raise exceptions.APIError(utils.this_function(), "item_id must be a valid item id")
item_type = enums.ItemType.get(item_type)
_, db_item = item_type._msg_and_model(
(enums.ItemType.Gallery, enums.ItemType.Collection, enums.ItemType.Grouping, enums.ItemType.Page))
db_obj = database_cmd.GetModelItems().run(db_item, {item_id})
if db_obj:
db_obj = db_obj[0]
nstags = []
if db_obj:
g_objs = []
if issubclass(db_item, db.TaggableMixin):
nstags = db_obj.tags.all()
if not raw and isinstance(db_obj, db.Gallery):
g_objs.append(db_obj)
else:
for g in db_obj.galleries.all():
nstags.extend(g.tags.all())
if not raw:
g_objs.append(g)
for g_obj in g_objs:
for p in g_obj.pages.all(): # TODO: we only need tags
nstags.extend(p.tags.all())
msg = _contruct_tags_msg(nstags)
return message.Identity('tags', msg)
def update_metatags(item_type: enums.ItemType = enums.ItemType.Gallery,
item_id: int = 0,
metatags: dict = {}):
"""
Update metatags for an item
Args:
item_type: possible items are :py:attr:`.ItemType.Gallery`, :py:attr:`.ItemType.Page`,
:py:attr:`.ItemType.Artist`, :py:attr:`.ItemType.Collection`
item_id: id of item
metatag: a dict of ``{ metatag_name : bool }``
Returns:
bool indicating whether metatags were updated
"""
if not item_id:
raise exceptions.APIError(utils.this_function(),
"item_id must be a valid item id")
item_type = enums.ItemType.get(item_type)
_, db_item = item_type._msg_and_model(
(enums.ItemType.Gallery, enums.ItemType.Collection,
enums.ItemType.Page, enums.ItemType.Artist))
t = database_cmd.GetModelItems().run(db_item, {item_id})
if not t:
raise exceptions.DatabaseItemNotFoundError(
utils.this_function(),
"{} with item id '{}' not found".format(item_type, item_id))
t = t[0]
mtags = {}
anames = db.MetaTag.all_names()
for m, v in metatags.items():
if m not in anames:
raise exceptions.APIError(utils.this_function(),
f"Metatag name '{m}' does not exist")
mtags[m] = v
st = True
if t:
t.update("metatags", mtags)
db.object_session(t).commit()
else:
st = False
return message.Identity('status', st)
def get_image(item_type: enums.ItemType = enums.ItemType.Gallery,
item_ids: list = [],
size: enums.ImageSize = enums.ImageSize.Medium,
url: bool = False,
uri: bool = False):
"""
Get image for item.
Image content is base64 encoded.
Args:
item_type: possible items are :py:attr:`.ItemType.Gallery`, :py:attr:`.ItemType.Artist`,
:py:attr:`.ItemType.Collection`, :py:attr:`.ItemType.Grouping`, :py:attr:`.ItemType.Page`
item_ids: list of item ids
size: size of image
url: replace image content with http url to image file
uri: turn raw base64 string into an URI
Returns:
.. code-block:: guess
{
item_id : command_id
}
.. seealso::
:func:`.get_image_from_path`
"""
item_type = enums.ItemType.get(item_type)
size = enums.ImageSize.get(size)
_, db_item = item_type._msg_and_model(
(enums.ItemType.Gallery, enums.ItemType.Collection,
enums.ItemType.Grouping, enums.ItemType.Page, enums.ItemType.Artist))
content = {}
command_dec = functools.partial(_get_image, {'url': url, 'uri': uri})
for i in item_ids:
c = database_cmd.GetModelImage()
services.ImageService.generic.add_command(c, command_dec)
content[i] = c.start(db_item, i, size)
return message.Identity('image', content)
def library_view(item_type: enums.ItemType = enums.ItemType.Gallery,
page: int = 0,
limit: int = 100,
sort_by: str = "",
search_query: str = "",
filter_id: int = None,
view_filter: enums.ViewType = enums.ViewType.Library,
ctx=None):
"""
Fetch items from the database.
Provides pagination.
Args:
item_type: possible items are :py:attr:`.ItemType.Gallery`, :py:attr:`.ItemType.Collection`, :py:attr:`.ItemType.Grouping`
page: current page (zero-indexed)
sort_by: name of column to order by ...
limit: amount of items per page
search_query: filter item by search terms
filter_id: current filter list id
view_filter: ...
Returns:
list of item message objects
"""
utils.require_context(ctx)
view_filter = enums.ViewType.get(view_filter)
item_type = enums.ItemType.get(item_type)
db_msg, db_model = item_type._msg_and_model(
(enums.ItemType.Gallery, enums.ItemType.Collection,
enums.ItemType.Grouping))
items = message.List(db_model.__name__.lower(), db_msg)
model_ids = search_cmd.ModelFilter().run(db_model, search_query)
[
items.append(db_msg(x)) for x in database_cmd.GetModelItemByID().run(
db_model, model_ids, limit=limit, offset=page * limit)
]
return items
def open_gallery(item_id: int = 0,
item_type: enums.ItemType = enums.ItemType.Gallery,
viewer_args: str = None):
"""
Open a gallery or page in an external viewer
Args:
item_id: id of item
item_type: possible items are :py:attr:`.ItemType.Gallery`, :py:attr:`.ItemType.Page`
viewer_args: commandline arguments to supply the viewer, overriding the default viewer arguments specified in settings
Returns:
bool indicating if item was successfully opened
"""
item_type = enums.ItemType.get(item_type)
_, db_model = item_type._msg_and_model(
(enums.ItemType.Gallery, enums.ItemType.Page))
kwargs = {}
if item_type == enums.ItemType.Page:
p = database_cmd.GetModelItems().run(db_model, {item_id},
columns=(db_model.gallery_id,
db_model.number))
else:
p = database_cmd.GetModelItems().run(db_model, {item_id})
if not p:
raise exceptions.DatabaseItemNotFoundError(
utils.this_function(),
"{} with item id '{}' not found".format(item_type, item_id))
p = p[0]
if item_type == enums.ItemType.Page:
kwargs['gallery_or_id'] = p[0]
kwargs['number'] = p[1]
else:
kwargs["gallery_or_id"] = p
if viewer_args:
kwargs['args'] = tuple(x.strip() for x in viewer_args.split())
opened = gallery_cmd.OpenGallery().run(**kwargs)
return message.Identity("status", opened)
def get_count(item_type: enums.ItemType = enums.ItemType.Gallery):
"""
Get count of items in the database
Args:
item_type: type of item
Returns:
```
{ 'count': int }
```
"""
item_type = enums.ItemType.get(item_type)
_, db_model = item_type._msg_and_model()
s = constants.db_session()
return message.Identity('count', {'count': s.query(db_model).count()})
def get_items(item_type: enums.ItemType = enums.ItemType.Gallery,
limit: int = 100):
"""
Get a list of items
Args:
item_type: type of item to get
limit: limit the amount of items returned
Returns:
list of item message objects
"""
item_type = enums.ItemType.get(item_type)
db_msg, db_model = item_type._msg_and_model()
items = database_cmd.GetModelItems().run(db_model, limit=limit)
item_list = message.List(db.model_name(db_model), db_msg)
[item_list.append(db_msg(i)) for i in items]
return item_list
def update_item_tags(item_type: enums.ItemType = enums.ItemType.Gallery,
item_id: int=0,
tags: dict={}):
"""
Update tags on an item
Args:
item_type: possible items are :attr:`.ItemType.Gallery`, :attr:`.ItemType.Page`,
:attr:`.ItemType.Grouping`, :attr:`.ItemType.Collection`
item_id: id of item to update tags for
tags: tags
Returns:
bool whether tags were updated or not
"""
if not item_id:
raise exceptions.APIError(utils.this_function(), "item_id must be a valid item id")
item_type = enums.ItemType.get(item_type)
_, db_item = item_type._msg_and_model(
(enums.ItemType.Gallery, enums.ItemType.Collection, enums.ItemType.Grouping, enums.ItemType.Page))
db_obj = database_cmd.GetModelItems().run(db_item, {item_id})
if not db_obj:
raise exceptions.DatabaseItemNotFoundError(utils.this_function(),
"'{}' with id '{}' was not found".format(item_type.name,
item_id))
db_obj = db_obj[0]
tags = _decontruct_tags_msg(tags)
s = constants.db_session()
with db.no_autoflush(s):
s.add(db_obj)
db_obj.tags = tags
s.commit()
return message.Identity("status", True)
def _view_helper(item_type: enums.ItemType=enums.ItemType.Gallery,
search_query: str = "",
filter_id: int = None,
view_filter: enums.ViewType = enums.ViewType.Library,
item_id: int = None,
related_type: enums.ItemType = None,
search_options: dict = {},
):
if view_filter is not None:
view_filter = enums.ViewType.get(view_filter)
if related_type is not None:
related_type = enums.ItemType.get(related_type)
item_type = enums.ItemType.get(item_type)
if search_options:
search_option_names = [x.name for x in search_cmd._get_search_options()]
for n in search_options:
if n not in search_option_names:
raise exceptions.APIError(utils.this_function(), "Invalid search option name '{}'".format(n))
filter_op = []
join_exp = []
parent_model = None
db_msg, db_model = item_type._msg_and_model(
(enums.ItemType.Gallery, enums.ItemType.Collection, enums.ItemType.Grouping))
if related_type:
parent_model = db_model
db_msg, db_model = related_type._msg_and_model(
(enums.ItemType.Gallery, enums.ItemType.Page))
col = db.relationship_column(parent_model, db_model)
if not col:
raise exceptions.APIError(
utils.this_function(),
"{} has no relationship with {}".format(
related_type,
item_type))
if item_id is None:
raise exceptions.APIError(utils.this_function(), "Missing id of parent item")
if filter_id:
if db_model != db.Gallery:
g_col = db.relationship_column(db_model, db.Gallery)
if not g_col:
raise exceptions.APIError(
utils.this_function(),
"Cannot use {} because {} has no relationship with {}".format(
enums.ItemType.GalleryFilter,
related_type if related_type else item_type,
enums.ItemType.Gallery))
join_exp.append(g_col)
join_exp.append(db.relationship_column(db.Gallery, db.GalleryFilter))
filter_op.append(db.GalleryFilter.id == filter_id)
model_ids = None
if not db_model == db.Page:
model_ids = search_cmd.ModelFilter().run(db_model, search_query, search_options)
metatag_name = None
if view_filter == enums.ViewType.Favorite:
metatag_name = db.MetaTag.names.favorite
elif view_filter == enums.ViewType.Inbox:
metatag_name = db.MetaTag.names.inbox
elif view_filter == enums.ViewType.Trash:
metatag_name = db.MetaTag.names.trash
if metatag_name:
if hasattr(db_model, "metatags"):
filter_op.append(db.MetaTag.name == metatag_name)
join_exp.append(db_model.metatags)
elif view_filter == enums.ViewType.Library:
if hasattr(db_model, "metatags"):
filter_op.append(~db_model.metatags.any(db.MetaTag.name == db.MetaTag.names.inbox))
filter_op.append(~db_model.metatags.any(db.MetaTag.name == db.MetaTag.names.trash))
elif view_filter == enums.ViewType.All:
if hasattr(db_model, "metatags"):
filter_op.append(~db_model.metatags.any(db.MetaTag.name == db.MetaTag.names.trash))
if related_type:
filter_op.append(parent_model.id == item_id)
join_exp.append(col)
if len(filter_op) > 1:
filter_op = db.and_op(*filter_op)
elif filter_op:
filter_op = filter_op[0]
else:
filter_op = None
return view_filter, item_type, db_msg, db_model, model_ids, filter_op, join_exp, metatag_name
def source_exists(item_type: enums.ItemType = enums.ItemType.Gallery,
item_id: int = 0,
check_all: bool = False):
"""
Check if gallery/page source exists on disk
Args:
item_type: possible items are :py:attr:`.ItemType.Gallery`, :py:attr:`.ItemType.Page`
item_id: id of item
check_all: goes through all pages and checks them, default behaviour is to only check parent files/folders. Only relevant for :py:attr:`.ItemType.Gallery`
Returns:
.. code-block:: guess
{
'exists' : bool
'missing' : [
{'id': int, 'item_type': item_type},
...
]
}
"""
item_type = enums.ItemType.get(item_type)
_, db_model = item_type._msg_and_model(
(enums.ItemType.Gallery, enums.ItemType.Page))
if item_type == enums.ItemType.Page:
item = database_cmd.GetModelItems().run(db_model, {item_id},
columns=(db.Page.path, ))
elif item_type == enums.ItemType.Gallery:
item = database_cmd.GetModelItems().run(
db_model, {item_id}, columns=(db.Gallery.single_source, ))
if not item:
raise exceptions.DatabaseItemNotFoundError(
utils.this_function(),
"'{}' with id '{}' was not found".format(item_type.name, item_id))
else:
item = item[0]
paths = {}
not_empty = True
if item_type == enums.ItemType.Page:
paths[item_id] = (item[0], item_type.value)
elif item_type == enums.ItemType.Gallery:
s = constants.db_session()
if item and not check_all:
p = s.query(db.Page.path).filter(db.Gallery.id == item_id).first()
if p:
paths[item_id] = (os.path.split(p[0])[0], item_type.value)
else:
not_empty = True
else:
ps = s.query(
db.Page.id,
db.Page.path).filter(db.Page.gallery_id == item_id).all()
for p in ps:
paths[p[0]] = (p[1], enums.ItemType.Page.value)
not_empty = bool(ps)
missing = []
for t_id in paths:
src, t_type = paths[t_id]
try:
e = io_cmd.CoreFS(src).exists
except exceptions.ArchiveExistError:
e = False
if not e:
missing.append({'id': t_id, 'item_type': t_type})
return message.Identity("exists", {
'exists': not missing and not_empty,
'missing': missing
})
def search_item(
item_type: enums.ItemType = enums.ItemType.Gallery,
search_query: str = "",
search_options: dict = {},
sort_by: enums.ItemSort = None,
sort_desc: bool = False,
full_search: bool = True,
limit: int = 100,
offset: int = None,
):
"""
Search for item
Args:
item_type: all of :py:attr:`.ItemType` except :py:attr:`.ItemType.Page` and :py:attr:`.ItemType.GalleryFilter`
search_query: filter item by search terms
search_options: options to apply when filtering, see :ref:`Settings` for available search options
sort_by: either a :py:class:`.ItemSort` or a sort index
sort_desc: order descending (default is ascending)
limit: amount of items
offset: offset the results by n items
Returns:
.. code-block:: guess
[
item message object,
...
]
.. seealso::
:func:`.get_sort_indexes`
"""
item_type = enums.ItemType.get(item_type)
if search_options:
search_option_names = [
x.name for x in search_cmd._get_search_options()
]
for n in search_options:
if n not in search_option_names:
raise exceptions.APIError(
utils.this_function(),
"Invalid search option name '{}'".format(n))
if item_type in (enums.ItemType.Page, enums.ItemType.GalleryFilter):
raise exceptions.APIError(utils.this_function(),
"Unsupported itemtype {}".format(item_type))
db_msg, db_model = item_type._msg_and_model()
model_ids = set()
if full_search:
model_ids = search_cmd.ModelFilter().run(db_model, search_query,
search_options)
items = message.List("items", db_msg)
order_exp, group_exp, join_exp = helpers._sort_helper(
sort_by, sort_desc, db_model)
[
items.append(db_msg(x))
for x in database_cmd.GetModelItems().run(db_model,
model_ids,
limit=limit,
offset=offset,
join=join_exp,
order_by=order_exp,
group_by=group_exp)
]
return items
