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# SPDX-License-Identifier: GPL-3.0-or-later
# Haketilo proxy data and configuration (RepoRef and RepoStore 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 repositories configured
inside Haketilo.
"""
# Enable using with Python 3.7.
from __future__ import annotations
import typing as t
import dataclasses as dc
from datetime import datetime
from .. import state as st
from . import base
def make_repo_display_info(
ref: st.RepoRef,
name: str,
url: t.Optional[str],
deleted: t.Optional[bool],
last_refreshed: t.Optional[int],
resource_count: int,
mapping_count: int
) -> st.RepoDisplayInfo:
last_refreshed_converted: t.Optional[datetime] = None
if last_refreshed is not None:
last_refreshed_converted = datetime.fromtimestamp(last_refreshed)
return st.RepoDisplayInfo(
ref = ref,
name = name,
url = url,
deleted = deleted,
last_refreshed = last_refreshed_converted,
resource_count = resource_count,
mapping_count = mapping_count
)
@dc.dataclass(frozen=True, unsafe_hash=True)
class ConcreteRepoRef(st.RepoRef):
"""...."""
state: base.HaketiloStateWithFields = dc.field(hash=False, compare=False)
def remove(self) -> None:
raise NotImplementedError()
def update(
self,
*,
name: t.Optional[str] = None,
url: t.Optional[str] = None
) -> st.RepoRef:
raise NotImplementedError()
def refresh(self) -> st.RepoIterationRef:
raise NotImplementedError()
def get_display_info(self) -> st.RepoDisplayInfo:
with self.state.cursor() as cursor:
cursor.execute(
'''
SELECT
name, url, deleted, last_refreshed,
resource_count, mapping_count
FROM
repo_display_infos
WHERE
repo_id = ?;
''',
(self.id,)
)
rows = cursor.fetchall()
if rows == []:
raise st.MissingItemError()
row, = rows
return make_repo_display_info(self, *row)
@dc.dataclass(frozen=True)
class ConcreteRepoStore(st.RepoStore):
state: base.HaketiloStateWithFields
def get(self, id: str) -> st.RepoRef:
return ConcreteRepoRef(id, self.state)
def get_display_infos(self, include_deleted: bool = False) \
-> t.Iterable[st.RepoDisplayInfo]:
with self.state.cursor() as cursor:
condition: str = 'TRUE'
if include_deleted:
condition = 'COALESCE(deleted = FALSE, TRUE)'
cursor.execute(
f'''
SELECT
repo_id, name, url, deleted, last_refreshed,
resource_count, mapping_count
FROM
repo_display_infos
WHERE
{condition}
ORDER BY
repo_id != 1, name;
'''
)
all_rows = cursor.fetchall()
assert len(all_rows) > 0 and all_rows[0][0] == 1
result = []
for row in all_rows:
repo_id, *rest = row
ref = ConcreteRepoRef(str(repo_id), self.state)
result.append(make_repo_display_info(ref, *rest))
return result
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