refactor: update AS entry handling in API and database to support ASN-only entries. Remove prefix field from AS entry structure and adjust related functions and tests. Enhance OpenAPI specifications and documentation to reflect changes in AS entry representation.

migrations/postgres/000003_as_entry_asn_only.down.sql

@@ -0,0 +1,9 @@
+DELETE FROM revision_materialized_prefix WHERE prefix LIKE 'as:%';
+
+ALTER TABLE revision_materialized_prefix
+    ALTER COLUMN prefix TYPE CIDR USING prefix::cidr;
+
+ALTER TABLE module_as_entry ADD COLUMN prefix CIDR;
+ALTER TABLE module_as_entry ALTER COLUMN asn DROP NOT NULL;
+ALTER TABLE module_as_entry
+    ADD CONSTRAINT module_as_entry_asn_or_prefix_chk CHECK (asn IS NOT NULL OR prefix IS NOT NULL);

migrations/postgres/000003_as_entry_asn_only.up.sql

@@ -0,0 +1,9 @@
+-- AS-запись: только ASN + community; снимок ревизии может хранить ключи вида as:<asn>.
+ALTER TABLE revision_materialized_prefix
+    ALTER COLUMN prefix TYPE TEXT USING prefix::text;
+
+DELETE FROM module_as_entry WHERE asn IS NULL;
+
+ALTER TABLE module_as_entry DROP CONSTRAINT module_as_entry_asn_or_prefix_chk;
+ALTER TABLE module_as_entry DROP COLUMN prefix;
+ALTER TABLE module_as_entry ALTER COLUMN asn SET NOT NULL;

migrations/sqlite/000003_as_entry_asn_only.down.sql

@@ -0,0 +1,18 @@
+CREATE TABLE module_as_entry_old (
+    id            TEXT PRIMARY KEY NOT NULL,
+    module_id     TEXT NOT NULL REFERENCES module (id) ON DELETE CASCADE,
+    asn           INTEGER,
+    prefix        TEXT,
+    community_id  TEXT REFERENCES bgp_community (id) ON DELETE SET NULL,
+    created_at    TEXT NOT NULL DEFAULT (strftime('%Y-%m-%dT%H:%M:%fZ', 'now')),
+    updated_at    TEXT NOT NULL DEFAULT (strftime('%Y-%m-%dT%H:%M:%fZ', 'now')),
+    CHECK (asn IS NOT NULL OR prefix IS NOT NULL)
+);
+
+INSERT INTO module_as_entry_old (id, module_id, asn, prefix, community_id, created_at, updated_at)
+SELECT id, module_id, asn, NULL, community_id, created_at, updated_at FROM module_as_entry;
+
+DROP TABLE module_as_entry;
+ALTER TABLE module_as_entry_old RENAME TO module_as_entry;
+
+CREATE INDEX idx_module_as_entry_module ON module_as_entry (module_id);

migrations/sqlite/000003_as_entry_asn_only.up.sql

@@ -0,0 +1,20 @@
+-- AS-запись: только ASN + community (revision_materialized_prefix.prefix уже TEXT).
+
+DELETE FROM module_as_entry WHERE asn IS NULL;
+
+CREATE TABLE module_as_entry_new (
+    id            TEXT PRIMARY KEY NOT NULL,
+    module_id     TEXT NOT NULL REFERENCES module (id) ON DELETE CASCADE,
+    asn           INTEGER NOT NULL,
+    community_id  TEXT REFERENCES bgp_community (id) ON DELETE SET NULL,
+    created_at    TEXT NOT NULL DEFAULT (strftime('%Y-%m-%dT%H:%M:%fZ', 'now')),
+    updated_at    TEXT NOT NULL DEFAULT (strftime('%Y-%m-%dT%H:%M:%fZ', 'now'))
+);
+
+INSERT INTO module_as_entry_new (id, module_id, asn, community_id, created_at, updated_at)
+SELECT id, module_id, asn, community_id, created_at, updated_at FROM module_as_entry;
+
+DROP TABLE module_as_entry;
+ALTER TABLE module_as_entry_new RENAME TO module_as_entry;
+
+CREATE INDEX idx_module_as_entry_module ON module_as_entry (module_id);