refactor: arcsong database importer & arcsong json exporter

tests/external/importers/test_arcsong.py

@@ -0,0 +1,45 @@
+import sqlite3
+
+import tests.resources
+from arcaea_offline.constants.enums.arcaea import ArcaeaRatingClass
+from arcaea_offline.database.models.v5 import ChartInfo
+from arcaea_offline.external.importers.arcsong import (
+    ArcsongDatabaseImporter,
+)
+
+db = sqlite3.connect(":memory:")
+db.executescript(
+    tests.resources.get_resource("arcsong.sql").read_text(encoding="utf-8")
+)
+
+
+class TestArcsongDatabaseImporter:
+    def test_parse(self):
+        items = ArcsongDatabaseImporter.parse(db)
+
+        assert all(isinstance(item, ChartInfo) for item in items)
+        assert len(items) == 3
+
+        base1_pst = next(
+            it
+            for it in items
+            if it.song_id == "base1" and it.rating_class is ArcaeaRatingClass.PAST
+        )
+        assert base1_pst.constant == 30
+        assert base1_pst.notes == 500
+
+        base1_prs = next(
+            it
+            for it in items
+            if it.song_id == "base1" and it.rating_class is ArcaeaRatingClass.PRESENT
+        )
+        assert base1_prs.constant == 60
+        assert base1_prs.notes == 700
+
+        base1_ftr = next(
+            it
+            for it in items
+            if it.song_id == "base1" and it.rating_class is ArcaeaRatingClass.FUTURE
+        )
+        assert base1_ftr.constant == 90
+        assert base1_ftr.notes == 1000

tests/resources/arcsong.sql

@@ -0,0 +1,40 @@
+CREATE TABLE packages(
+    `id` TEXT PRIMARY KEY NOT NULL,
+    `name` TEXT NOT NULL DEFAULT ""
+);
+
+CREATE TABLE charts(
+    song_id TEXT NOT NULL DEFAULT '',
+    rating_class INTEGER NOT NULL DEFAULT 0,
+    name_en TEXT NOT NULL DEFAULT '',
+    name_jp TEXT DEFAULT '',
+    artist TEXT NOT NULL DEFAULT '',
+    bpm TEXT NOT NULL DEFAULT '',
+    bpm_base DOUBLE NOT NULL DEFAULT 0,
+    `set` TEXT NOT NULL DEFAULT '',
+    `time` INTEGER DEFAULT 0,
+    side INTEGER NOT NULL DEFAULT 0,
+    world_unlock BOOLEAN NOT NULL DEFAULT 0,
+    remote_download BOOLEAN DEFAULT '',
+    bg TEXT NOT NULL DEFAULT '',
+    `date` INTEGER NOT NULL DEFAULT 0,
+    `version` TEXT NOT NULL DEFAULT '',
+    difficulty INTEGER NOT NULL DEFAULT 0,
+    rating INTEGER NOT NULL DEFAULT 0,
+    note INTEGER NOT NULL DEFAULT 0,
+    chart_designer TEXT DEFAULT '',
+    jacket_designer TEXT DEFAULT '',
+    jacket_override BOOLEAN NOT NULL DEFAULT 0,
+    audio_override BOOLEAN NOT NULL DEFAULT 0,
+    PRIMARY KEY(song_id, rating_class)
+);
+
+
+INSERT INTO packages ("id", "name") VALUES
+    ('base', 'Base Pack'),
+    ('core', 'Core Pack');
+
+INSERT INTO charts ("song_id", "rating_class", "name_en", "name_jp", "artist", "bpm", "bpm_base", "set", "time", "side", "world_unlock", "remote_download", "bg", "date", "version", "difficulty", "rating", "note", "chart_designer", "jacket_designer", "jacket_override", "audio_override") VALUES
+    ('base1', '0', 'Base song 1', 'ベース・ソング・ワン', 'Artist', '1024', '1024.0', 'base', '1024', '1', '1', '0', '', '1400067914', '1.0', '6', '30', '500', 'Charter', '78rwey63a', '0', '0'),
+    ('base1', '1', 'Base song 1', 'ベース・ソング・ワン', 'Artist', '1024', '1024.0', 'base', '1024', '1', '1', '0', '', '1400067914', '1.0', '12', '60', '700', 'Charter', '78rwey63b', '0', '0'),
+    ('base1', '2', 'Base song 1', 'ベース・ソング・ワン', 'Artist', '1024', '1024.0', 'base', '1024', '1', '1', '0', '', '1400067914', '1.0', '18', '90', '1000', 'Charter', '78rwey63c', '0', '0');