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# SPDX-License-Identifier: GPL-3.0-or-later
# Haketilo proxy data and configuration (MappingRef and MappingStore subtypes).
#
# This file is part of Hydrilla&Haketilo.
#
# Copyright (C) 2022 Wojtek Kosior
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <https://www.gnu.org/licenses/>.
#
#
# I, Wojtek Kosior, thereby promise not to sue for violation of this
# file's license. Although I request that you do not make use this code
# in a proprietary program, I am not going to enforce this in court.
"""
This module provides an interface to interact with mappings inside Haketilo.
"""
# Enable using with Python 3.7.
from __future__ import annotations
import sqlite3
import typing as t
import dataclasses as dc
from ... import item_infos
from .. import state as st
from . import base
from . import _operations
@dc.dataclass(frozen=True, unsafe_hash=True)
class ConcreteMappingRef(st.MappingRef):
state: base.HaketiloStateWithFields = dc.field(hash=False, compare=False)
def get_version_display_infos(self) \
-> t.Sequence[st.MappingVersionDisplayInfo]:
with self.state.cursor() as cursor:
cursor.execute(
'''
SELECT
item_version_id,
definition,
repo,
repo_iteration,
installed,
is_active,
is_orphan,
is_local,
enabled
FROM
mapping_display_infos
WHERE
item_id = ?;
''',
(self.id,)
)
rows = cursor.fetchall()
if rows == []:
raise st.MissingItemError()
result = []
for (item_version_id, definition, repo, repo_iteration, installed,
is_active, is_orphan, is_local, status_letter) in rows:
ref = ConcreteMappingVersionRef(str(item_version_id), self.state)
item_info = item_infos.MappingInfo.load(
definition,
repo,
repo_iteration
)
display_info = st.MappingVersionDisplayInfo(
ref = ref,
info = item_info,
installed = st.InstalledStatus(installed),
is_active = is_active,
is_orphan = is_orphan,
is_local = is_local,
mapping_enabled = st.EnabledStatus(status_letter)
)
result.append(display_info)
return sorted(result, key=(lambda di: di.info))
@dc.dataclass(frozen=True)
class ConcreteMappingStore(st.MappingStore):
state: base.HaketiloStateWithFields
def get(self, id: str) -> st.MappingRef:
return ConcreteMappingRef(id, self.state)
def get_display_infos(self) -> t.Sequence[st.MappingDisplayInfo]:
with self.state.cursor() as cursor:
cursor.execute(
'''
SELECT DISTINCT
item_id,
identifier,
CASE WHEN is_active THEN item_version_id ELSE NULL END,
CASE WHEN is_active THEN definition ELSE NULL END,
CASE WHEN is_active THEN repo ELSE NULL END,
CASE WHEN is_active THEN repo_iteration ELSE NULL END,
enabled
FROM
mapping_display_infos;
'''
)
rows = cursor.fetchall()
result = []
for (item_id, identifier, item_version_id, definition, repo,
repo_iteration, status_letter) in rows:
ref = ConcreteMappingRef(str(item_id), self.state)
active_version_ref: t.Optional[st.MappingVersionRef] = None
item_info: t.Optional[item_infos.MappingInfo] = None
if item_version_id is not None:
active_version_ref = ConcreteMappingVersionRef(
id = str(item_version_id),
state = self.state
)
item_info = item_infos.MappingInfo.load(
definition,
repo,
repo_iteration
)
display_info = st.MappingDisplayInfo(
ref = ref,
identifier = identifier,
enabled = st.EnabledStatus(status_letter),
active_version_ref = active_version_ref,
active_version_info = item_info
)
result.append(display_info)
return result
@dc.dataclass(frozen=True, unsafe_hash=True)
class ConcreteMappingVersionRef(st.MappingVersionRef):
state: base.HaketiloStateWithFields = dc.field(hash=False, compare=False)
def _set_installed_status(
self,
cursor: sqlite3.Cursor,
new_status: st.InstalledStatus
) -> None:
cursor.execute(
'''
UPDATE
item_versions
SET
installed = ?
WHERE
item_version_id = ?;
''',
(new_status.value, self.id,)
)
def install(self) -> None:
with self.state.cursor(transaction=True) as cursor:
info = self.get_display_info()
if info.installed == st.InstalledStatus.INSTALLED:
return
self._set_installed_status(cursor, st.InstalledStatus.INSTALLED)
_operations.pull_missing_files(cursor)
def uninstall(self) -> None:
raise NotImplementedError()
# with self.state.cursor(transaction=True) as cursor:
# info = self.get_display_info()
# if info.installed == st.InstalledStatus.NOT_INSTALLED:
# return
# if info.installed == st.InstalledStatus.FAILED_TO_INSTALL:
# self._set_installed_status(st.InstalledStatus.UNINSTALLED)
# return
#
# ....
def get_display_info(self) -> st.MappingVersionDisplayInfo:
with self.state.cursor() as cursor:
cursor.execute(
'''
SELECT
definition,
repo,
repo_iteration,
installed,
is_orphan,
is_active,
is_local,
enabled
FROM
mapping_display_infos
WHERE
item_version_id = ?;
''',
(self.id,)
)
rows = cursor.fetchall()
if rows == []:
raise st.MissingItemError()
(definition, repo, repo_iteration, installed, is_orphan, is_active,
is_local, status_letter), = rows
item_info = item_infos.MappingInfo.load(
definition,
repo,
repo_iteration
)
return st.MappingVersionDisplayInfo(
ref = self,
info = item_info,
installed = st.InstalledStatus(installed),
is_active = is_active,
is_orphan = is_orphan,
is_local = is_local,
mapping_enabled = st.EnabledStatus(status_letter)
)
@dc.dataclass(frozen=True)
class ConcreteMappingVersionStore(st.MappingVersionStore):
state: base.HaketiloStateWithFields
def get(self, id: str) -> st.MappingVersionRef:
return ConcreteMappingVersionRef(id, self.state)
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