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-rw-r--r--src/hydrilla/proxy/state_impl/_operations/load_packages.py58
-rw-r--r--src/hydrilla/proxy/tables.sql13
2 files changed, 60 insertions, 11 deletions
diff --git a/src/hydrilla/proxy/state_impl/_operations/load_packages.py b/src/hydrilla/proxy/state_impl/_operations/load_packages.py
index 16d1154..defa9b6 100644
--- a/src/hydrilla/proxy/state_impl/_operations/load_packages.py
+++ b/src/hydrilla/proxy/state_impl/_operations/load_packages.py
@@ -34,6 +34,7 @@ from __future__ import annotations
import io
import mimetypes
import sqlite3
+import hashlib
import dataclasses as dc
import typing as t
@@ -124,16 +125,60 @@ def get_or_make_item(cursor: sqlite3.Cursor, type: str, identifier: str) -> int:
return item_id
-def make_item_version(
+def update_or_make_item_version(
cursor: sqlite3.Cursor,
item_id: int,
version: versions.VerTuple,
installed: str,
repo_iteration_id: int,
+ repo_id: int,
definition: bytes
) -> int:
ver_str = versions.version_string(version)
+ definition_sha256 = hashlib.sha256(definition).digest().hex()
+
+ cursor.execute(
+ '''
+ SELECT
+ item_version_id
+ FROM
+ item_versions AS iv
+ JOIN repo_iterations AS ri USING (repo_iteration_id)
+ JOIN repos AS r USING (repo_id)
+ WHERE
+ r.repo_id = ? AND iv.definition_sha256 = ?;
+ ''',
+ (repo_id, definition_sha256)
+ )
+
+ rows = cursor.fetchall()
+
+ if rows != []:
+ (item_version_id,), = rows
+ cursor.execute(
+ '''
+ UPDATE
+ item_versions
+ SET
+ installed = (
+ CASE WHEN
+ installed = 'I' OR ? = 'I'
+ THEN
+ 'I'
+ ELSE
+ 'N'
+ END
+ ),
+ repo_iteration_id = ?
+ WHERE
+ item_version_id = ?;
+ ''',
+ (installed, repo_iteration_id, item_version_id)
+ )
+
+ return item_version_id
+
cursor.execute(
'''
INSERT INTO item_versions(
@@ -141,11 +186,13 @@ def make_item_version(
version,
installed,
repo_iteration_id,
- definition
+ definition,
+ definition_sha256
)
- VALUES(?, ?, ?, ?, ?);
+ VALUES(?, ?, ?, ?, ?, ?);
''',
- (item_id, ver_str, installed, repo_iteration_id, definition)
+ (item_id, ver_str, installed, repo_iteration_id, definition,
+ definition_sha256)
)
cursor.execute(
@@ -223,12 +270,13 @@ def _add_item(
if isinstance(info, item_infos.MappingInfo):
make_mapping_status(cursor, item_id)
- item_version_id = make_item_version(
+ item_version_id = update_or_make_item_version(
cursor = cursor,
item_id = item_id,
version = info.version,
installed = 'I' if repo_id == 1 else 'N',
repo_iteration_id = repo_iteration_id,
+ repo_id = repo_id,
definition = definition
)
diff --git a/src/hydrilla/proxy/tables.sql b/src/hydrilla/proxy/tables.sql
index aa98081..863c989 100644
--- a/src/hydrilla/proxy/tables.sql
+++ b/src/hydrilla/proxy/tables.sql
@@ -176,18 +176,19 @@ CREATE TABLE mapping_statuses(
);
CREATE TABLE item_versions(
- item_version_id INTEGER PRIMARY KEY,
+ item_version_id INTEGER PRIMARY KEY,
- item_id INTEGER NOT NULL,
- version VARCHAR NOT NULL,
+ item_id INTEGER NOT NULL,
+ version VARCHAR NOT NULL,
-- "installed" determines whether item is INSTALLED, is NOT_INSTALLED or
-- it FAILED_TO_INSTALL when last tried. If "required" in a row of
-- "mapping_statuses is set to TRUE, the mapping version and all
-- resource versions corresponding to it are supposed to have
-- "installed" set to 'I'.
- installed CHAR(1) NOT NULL,
- repo_iteration_id INTEGER NOT NULL,
- definition BLOB NOT NULL,
+ installed CHAR(1) NOT NULL,
+ repo_iteration_id INTEGER NOT NULL,
+ definition BLOB NOT NULL,
+ definition_sha256 CHAR(64) NOT NULL,
UNIQUE (item_id, version, repo_iteration_id),
-- Constraint below needed to allow foreign key from "mapping_statuses".