Task 003: add postgres schema and seed data

This commit is contained in:
2026-05-21 18:11:29 +03:00
parent a0ae06adfa
commit 7a11d50aa7
18 changed files with 1961 additions and 14 deletions
@@ -0,0 +1,566 @@
from __future__ import annotations
import json
import sqlite3
from collections.abc import Iterator
from contextlib import contextmanager
from datetime import datetime
from typing import Any
from uuid import UUID
from src.domain.contracts import (
PublishingRules,
Role,
ScriptConfigVersionStatus,
TargetSiteConfig,
UserSummary,
)
from src.infrastructure.schema import setup_database
JsonObject = dict[str, Any]
def open_backend_repository(dsn: str) -> "BackendRepository":
return BackendRepository(dsn)
class BackendRepository:
def __init__(self, dsn: str) -> None:
self.dsn = dsn
self.dialect = "sqlite" if dsn.startswith("sqlite:///") else "postgres"
self.users = UsersRepository(self)
self.target_sites = TargetSitesRepository(self)
self.script_config_versions = ScriptConfigVersionsRepository(self)
self.schema = SchemaRepository(self)
def setup(self) -> None:
setup_database(self.dsn)
@contextmanager
def connection(self) -> Iterator[Any]:
connection = self._connect()
try:
with connection:
yield connection
finally:
connection.close()
def _connect(self) -> Any:
if self.dialect == "sqlite":
sqlite_path = self.dsn.removeprefix("sqlite:///")
connection = sqlite3.connect(sqlite_path)
connection.row_factory = sqlite3.Row
return connection
import psycopg
from psycopg.rows import dict_row
return psycopg.connect(self.dsn, row_factory=dict_row)
def placeholder(self) -> str:
if self.dialect == "sqlite":
return "?"
return "%s"
def json_cast(self) -> str:
if self.dialect == "sqlite":
return ""
return "::jsonb"
class UsersRepository:
def __init__(self, repository: BackendRepository) -> None:
self._repository = repository
def upsert(
self,
*,
user_id: UUID,
email: str,
display_name: str,
role: Role,
created_at: datetime,
updated_at: datetime,
) -> UserSummary:
placeholder = self._repository.placeholder()
sql = f"""
INSERT INTO users (
id, email, display_name, role, created_at, updated_at
)
VALUES (
{placeholder}, {placeholder}, {placeholder}, {placeholder},
{placeholder}, {placeholder}
)
ON CONFLICT (email) DO UPDATE SET
display_name = excluded.display_name,
role = excluded.role,
updated_at = excluded.updated_at
"""
params = (
str(user_id),
email,
display_name,
role.value,
_datetime_value(created_at),
_datetime_value(updated_at),
)
with self._repository.connection() as connection:
connection.execute(sql, params)
return self.get_by_email(email)
def get_by_email(self, email: str) -> UserSummary:
placeholder = self._repository.placeholder()
with self._repository.connection() as connection:
row = connection.execute(
f"""
SELECT id, display_name, role
FROM users
WHERE email = {placeholder}
""",
(email,),
).fetchone()
if row is None:
raise LookupError(f"User not found: {email}")
return _user_from_row(row)
def list(self) -> list[UserSummary]:
with self._repository.connection() as connection:
rows = connection.execute(
"""
SELECT id, display_name, role
FROM users
ORDER BY email
"""
).fetchall()
return [_user_from_row(row) for row in rows]
def count_by_email(self, email: str) -> int:
placeholder = self._repository.placeholder()
with self._repository.connection() as connection:
row = connection.execute(
f"SELECT COUNT(*) AS count FROM users WHERE email = {placeholder}",
(email,),
).fetchone()
return int(_row_value(row, "count"))
class TargetSitesRepository:
def __init__(self, repository: BackendRepository) -> None:
self._repository = repository
def upsert(
self,
*,
site_id: UUID,
name: str,
slug: str,
publishing_type: str,
default_language: str,
brand_voice: str,
audience: str,
seo_rules: JsonObject,
visual_rules: JsonObject,
source_rules: JsonObject,
publishing_rules: PublishingRules,
active_script_config_version_id: UUID | None,
created_at: datetime,
updated_at: datetime,
) -> TargetSiteConfig:
placeholder = self._repository.placeholder()
json_cast = self._repository.json_cast()
sql = f"""
INSERT INTO target_sites (
id,
name,
slug,
publishing_type,
default_language,
brand_voice,
audience,
seo_rules,
visual_rules,
source_rules,
publishing_rules,
active_script_config_version_id,
created_at,
updated_at
)
VALUES (
{placeholder},
{placeholder},
{placeholder},
{placeholder},
{placeholder},
{placeholder},
{placeholder},
{placeholder}{json_cast},
{placeholder}{json_cast},
{placeholder}{json_cast},
{placeholder}{json_cast},
{placeholder},
{placeholder},
{placeholder}
)
ON CONFLICT (slug) DO UPDATE SET
name = excluded.name,
publishing_type = excluded.publishing_type,
default_language = excluded.default_language,
brand_voice = excluded.brand_voice,
audience = excluded.audience,
seo_rules = excluded.seo_rules,
visual_rules = excluded.visual_rules,
source_rules = excluded.source_rules,
publishing_rules = excluded.publishing_rules,
active_script_config_version_id = excluded.active_script_config_version_id,
updated_at = excluded.updated_at
"""
params = (
str(site_id),
name,
slug,
publishing_type,
default_language,
brand_voice,
audience,
_json_value(seo_rules),
_json_value(visual_rules),
_json_value(source_rules),
_json_value(publishing_rules.model_dump(mode="json")),
_uuid_value(active_script_config_version_id),
_datetime_value(created_at),
_datetime_value(updated_at),
)
with self._repository.connection() as connection:
connection.execute(sql, params)
return self.get_by_slug(slug)
def get_by_slug(self, slug: str) -> TargetSiteConfig:
placeholder = self._repository.placeholder()
with self._repository.connection() as connection:
row = connection.execute(
f"""
SELECT
id,
name,
slug,
publishing_type,
default_language,
brand_voice,
audience,
seo_rules,
visual_rules,
source_rules,
publishing_rules,
active_script_config_version_id,
created_at,
updated_at
FROM target_sites
WHERE slug = {placeholder}
""",
(slug,),
).fetchone()
if row is None:
raise LookupError(f"Target site not found: {slug}")
return _target_site_from_row(row)
def list(self) -> list[TargetSiteConfig]:
with self._repository.connection() as connection:
rows = connection.execute(
"""
SELECT
id,
name,
slug,
publishing_type,
default_language,
brand_voice,
audience,
seo_rules,
visual_rules,
source_rules,
publishing_rules,
active_script_config_version_id,
created_at,
updated_at
FROM target_sites
ORDER BY slug
"""
).fetchall()
return [_target_site_from_row(row) for row in rows]
class ScriptConfigVersionsRepository:
def __init__(self, repository: BackendRepository) -> None:
self._repository = repository
def upsert(
self,
*,
version_id: UUID,
target_site_id: UUID,
version: int,
status: ScriptConfigVersionStatus,
created_by: UUID,
created_at: datetime,
updated_at: datetime,
diff: JsonObject,
rollback_target_version_id: UUID | None,
activated_at: datetime | None,
publishing_yaml: str,
publishing_yaml_hash: str,
transform_script: str,
transform_script_hash: str,
) -> dict[str, Any]:
placeholder = self._repository.placeholder()
json_cast = self._repository.json_cast()
sql = f"""
INSERT INTO script_config_versions (
id,
target_site_id,
version,
status,
created_by,
created_at,
updated_at,
diff,
rollback_target_version_id,
activated_at,
publishing_yaml,
publishing_yaml_hash,
transform_script,
transform_script_hash
)
VALUES (
{placeholder},
{placeholder},
{placeholder},
{placeholder},
{placeholder},
{placeholder},
{placeholder},
{placeholder}{json_cast},
{placeholder},
{placeholder},
{placeholder},
{placeholder},
{placeholder},
{placeholder}
)
ON CONFLICT (target_site_id, version) DO UPDATE SET
status = excluded.status,
created_by = excluded.created_by,
updated_at = excluded.updated_at,
diff = excluded.diff,
rollback_target_version_id = excluded.rollback_target_version_id,
activated_at = excluded.activated_at,
publishing_yaml = excluded.publishing_yaml,
publishing_yaml_hash = excluded.publishing_yaml_hash,
transform_script = excluded.transform_script,
transform_script_hash = excluded.transform_script_hash
"""
params = (
str(version_id),
str(target_site_id),
version,
status.value,
str(created_by),
_datetime_value(created_at),
_datetime_value(updated_at),
_json_value(diff),
_uuid_value(rollback_target_version_id),
_datetime_value(activated_at),
publishing_yaml,
publishing_yaml_hash,
transform_script,
transform_script_hash,
)
with self._repository.connection() as connection:
connection.execute(sql, params)
return self.get_by_site_and_version(target_site_id=target_site_id, version=version)
def get_by_site_and_version(
self, *, target_site_id: UUID, version: int
) -> dict[str, Any]:
placeholder = self._repository.placeholder()
with self._repository.connection() as connection:
row = connection.execute(
f"""
SELECT *
FROM script_config_versions
WHERE target_site_id = {placeholder} AND version = {placeholder}
""",
(str(target_site_id), version),
).fetchone()
if row is None:
raise LookupError(
f"Script config version not found: {target_site_id} v{version}"
)
return _plain_row(row)
def list_for_site(self, target_site_id: UUID) -> list[dict[str, Any]]:
placeholder = self._repository.placeholder()
with self._repository.connection() as connection:
rows = connection.execute(
f"""
SELECT *
FROM script_config_versions
WHERE target_site_id = {placeholder}
ORDER BY version
""",
(str(target_site_id),),
).fetchall()
return [_plain_row(row) for row in rows]
class SchemaRepository:
def __init__(self, repository: BackendRepository) -> None:
self._repository = repository
def list_tables(self) -> set[str]:
with self._repository.connection() as connection:
if self._repository.dialect == "sqlite":
rows = connection.execute(
"""
SELECT name
FROM sqlite_master
WHERE type = 'table' AND name NOT LIKE 'sqlite_%'
"""
).fetchall()
else:
rows = connection.execute(
"""
SELECT table_name AS name
FROM information_schema.tables
WHERE table_schema = 'public' AND table_type = 'BASE TABLE'
"""
).fetchall()
return {_row_value(row, "name") for row in rows}
def list_columns(self, table_name: str) -> set[str]:
with self._repository.connection() as connection:
if self._repository.dialect == "sqlite":
rows = connection.execute(f"PRAGMA table_info({table_name})").fetchall()
return {_row_value(row, "name") for row in rows}
rows = connection.execute(
"""
SELECT column_name
FROM information_schema.columns
WHERE table_schema = 'public' AND table_name = %s
""",
(table_name,),
).fetchall()
return {_row_value(row, "column_name") for row in rows}
def list_indexes(self, table_name: str) -> set[str]:
with self._repository.connection() as connection:
if self._repository.dialect == "sqlite":
rows = connection.execute(f"PRAGMA index_list({table_name})").fetchall()
return {_row_value(row, "name") for row in rows}
rows = connection.execute(
"""
SELECT indexname
FROM pg_indexes
WHERE schemaname = 'public' AND tablename = %s
""",
(table_name,),
).fetchall()
return {_row_value(row, "indexname") for row in rows}
def count_rows(self, table_name: str) -> int:
with self._repository.connection() as connection:
row = connection.execute(f"SELECT COUNT(*) AS count FROM {table_name}").fetchone()
return int(_row_value(row, "count"))
def _user_from_row(row: Any) -> UserSummary:
return UserSummary(
id=_row_value(row, "id"),
display_name=_row_value(row, "display_name"),
role=_row_value(row, "role"),
)
def _target_site_from_row(row: Any) -> TargetSiteConfig:
return TargetSiteConfig(
id=_row_value(row, "id"),
name=_row_value(row, "name"),
slug=_row_value(row, "slug"),
publishing_type=_row_value(row, "publishing_type"),
default_language=_row_value(row, "default_language"),
brand_voice=_row_value(row, "brand_voice"),
audience=_row_value(row, "audience"),
seo_rules=_json_from_row(row, "seo_rules"),
visual_rules=_json_from_row(row, "visual_rules"),
source_rules=_json_from_row(row, "source_rules"),
publishing_rules=_json_from_row(row, "publishing_rules"),
active_script_config_version_id=_row_value(
row, "active_script_config_version_id"
),
created_at=_row_value(row, "created_at"),
updated_at=_row_value(row, "updated_at"),
)
def _plain_row(row: Any) -> dict[str, Any]:
if isinstance(row, sqlite3.Row):
result = dict(row)
else:
result = dict(row)
for key in (
"diff",
"seo_rules",
"visual_rules",
"source_rules",
"publishing_rules",
):
if key in result:
result[key] = _json_decode(result[key])
return result
def _row_value(row: Any, key: str) -> Any:
return row[key]
def _json_from_row(row: Any, key: str) -> JsonObject:
return _json_decode(_row_value(row, key))
def _json_decode(value: Any) -> Any:
if isinstance(value, str):
return json.loads(value)
return value
def _json_value(value: Any) -> str:
return json.dumps(value, sort_keys=True, separators=(",", ":"))
def _uuid_value(value: UUID | None) -> str | None:
if value is None:
return None
return str(value)
def _datetime_value(value: datetime | None) -> str | None:
if value is None:
return None
return value.isoformat()