Add collections

invenio_rdm_records/alembic/425b691f768b_create_collections_tables.py

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+#
+# This file is part of Invenio.
+# Copyright (C) 2016-2018 CERN.
+#
+# Invenio is free software; you can redistribute it and/or modify it
+# under the terms of the MIT License; see LICENSE file for more details.
+
+"""Create collections tables."""
+
+import sqlalchemy as sa
+from alembic import op
+from sqlalchemy_utils import UUIDType
+
+# revision identifiers, used by Alembic.
+revision = "425b691f768b"
+down_revision = "ff9bec971d30"
+branch_labels = ()
+depends_on = None
+
+
+def upgrade():
+    """Upgrade database."""
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.create_table(
+        "collections_collection_tree",
+        sa.Column("created", sa.DateTime(), nullable=False),
+        sa.Column("updated", sa.DateTime(), nullable=False),
+        sa.Column("id", sa.Integer(), autoincrement=True, nullable=False),
+        sa.Column("community_id", UUIDType(), nullable=True),
+        sa.Column("title", sa.String(length=255), nullable=False),
+        sa.Column("order", sa.Integer(), nullable=True),
+        sa.Column("slug", sa.String(length=255), nullable=False),
+        sa.ForeignKeyConstraint(
+            ["community_id"],
+            ["communities_metadata.id"],
+            name=op.f(
+                "fk_collections_collection_tree_community_id_communities_metadata"
+            ),
+            ondelete="SET NULL",
+        ),
+        sa.PrimaryKeyConstraint("id", name=op.f("pk_collections_collection_tree")),
+        sa.UniqueConstraint(
+            "slug",
+            "community_id",
+            name="uq_collections_collection_tree_slug_community_id",
+        ),
+    )
+    op.create_index(
+        op.f("ix_collections_collection_tree_community_id"),
+        "collections_collection_tree",
+        ["community_id"],
+        unique=False,
+    )
+
+    op.create_table(
+        "collections_collection",
+        sa.Column("created", sa.DateTime(), nullable=False),
+        sa.Column("updated", sa.DateTime(), nullable=False),
+        sa.Column("id", sa.Integer(), autoincrement=True, nullable=False),
+        sa.Column("slug", sa.String(length=255), nullable=False),
+        sa.Column("path", sa.Text(), nullable=False),
+        sa.Column("tree_id", sa.Integer(), nullable=False),
+        sa.Column("title", sa.String(length=255), nullable=False),
+        sa.Column("query", sa.Text(), nullable=False),
+        sa.Column("order", sa.Integer(), nullable=True),
+        sa.Column(
+            "depth",
+            sa.Integer(),
+            sa.Computed(
+                "array_length(string_to_array(path, ','), 1) - 2",
+            ),
+            nullable=True,
+        ),
+        sa.Column("num_records", sa.Integer(), nullable=True),
+        sa.ForeignKeyConstraint(
+            ["tree_id"],
+            ["collections_collection_tree.id"],
+            name=op.f("fk_collections_collection_tree_id_collections_collection_tree"),
+        ),
+        sa.PrimaryKeyConstraint("id", name=op.f("pk_collections_collection")),
+        sa.UniqueConstraint(
+            "slug", "tree_id", name="uq_collections_collection_slug_tree_id"
+        ),
+    )
+    op.create_index(
+        op.f("ix_collections_collection_path"),
+        "collections_collection",
+        ["path"],
+        unique=False,
+    )
+
+
+def downgrade():
+    """Downgrade database."""
+    op.drop_index(
+        op.f("ix_collections_collection_path"), table_name="collections_collection"
+    )
+    op.drop_table("collections_collection")
+    op.drop_index(
+        op.f("ix_collections_collection_tree_community_id"),
+        table_name="collections_collection_tree",
+    )
+    op.drop_table("collections_collection_tree")

invenio_rdm_records/collections/__init__.py

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+# -*- coding: utf-8 -*-
+#
+# Copyright (C) 2024 CERN.
+#
+# Invenio-RDM is free software; you can redistribute it and/or modify
+# it under the terms of the MIT License; see LICENSE file for more details.
+"""Collections entrypoint."""
+
+from .models import Collection, CollectionTree
+from .searchapp import search_app_context
+
+__all__ = (
+    "Collection",
+    "CollectionTree",
+    "search_app_context",
+)