reduce api | version control

db/polygons.js

@@ -48,11 +48,76 @@ db.prepare(`
     )
 `).run();
 
+db.prepare(`
+    CREATE TABLE IF NOT EXISTS sections (
+        id TEXT PRIMARY KEY,
+        title TEXT NOT NULL,
+        description TEXT,
+        user_id TEXT,
+        created_by TEXT,
+        created_at TEXT NOT NULL,
+        updated_at TEXT NOT NULL
+    )
+`).run();
+
+db.prepare(`
+    CREATE TABLE IF NOT EXISTS section_states (
+        section_id TEXT PRIMARY KEY,
+        status TEXT NOT NULL DEFAULT 'editing',
+        head_commit_id TEXT,
+        version INTEGER NOT NULL DEFAULT 0,
+        locked_by TEXT,
+        locked_at TEXT,
+        lock_expires_at TEXT,
+        updated_at TEXT NOT NULL,
+        FOREIGN KEY (section_id) REFERENCES sections(id) ON DELETE CASCADE
+    )
+`).run();
+
+db.prepare(`
+    CREATE TABLE IF NOT EXISTS section_commits (
+        id TEXT PRIMARY KEY,
+        section_id TEXT NOT NULL,
+        parent_commit_id TEXT,
+        commit_no INTEGER NOT NULL,
+        kind TEXT NOT NULL DEFAULT 'manual',
+        restored_from_commit_id TEXT,
+        created_by TEXT NOT NULL,
+        created_at TEXT NOT NULL,
+        title TEXT,
+        note TEXT,
+        snapshot_json TEXT NOT NULL,
+        snapshot_hash TEXT,
+        FOREIGN KEY (section_id) REFERENCES sections(id) ON DELETE CASCADE,
+        FOREIGN KEY (parent_commit_id) REFERENCES section_commits(id),
+        FOREIGN KEY (restored_from_commit_id) REFERENCES section_commits(id)
+    )
+`).run();
+
+db.prepare(`
+    CREATE TABLE IF NOT EXISTS section_submissions (
+        id TEXT PRIMARY KEY,
+        section_id TEXT NOT NULL,
+        commit_id TEXT NOT NULL,
+        submitted_by TEXT NOT NULL,
+        submitted_at TEXT NOT NULL,
+        status TEXT NOT NULL DEFAULT 'pending',
+        reviewed_by TEXT,
+        reviewed_at TEXT,
+        review_note TEXT,
+        snapshot_json TEXT NOT NULL,
+        snapshot_hash TEXT,
+        FOREIGN KEY (section_id) REFERENCES sections(id) ON DELETE CASCADE,
+        FOREIGN KEY (commit_id) REFERENCES section_commits(id)
+    )
+`).run();
+
 ensureColumn("entities", "status", "INTEGER DEFAULT 1");
 ensureColumn("entities", "is_deleted", "INTEGER NOT NULL DEFAULT 0");
 ensureColumn("entities", "type_id", "TEXT NOT NULL DEFAULT 'country'");
 ensureColumn("geometries", "is_deleted", "INTEGER NOT NULL DEFAULT 0");
 ensureColumn("geometries", "binding", "TEXT");
+ensureColumn("sections", "user_id", "TEXT");
 dropEntityDeprecatedColumnsIfExists();
 dropGeometryDeprecatedColumnsIfExists();
 migrateLegacyGeometryTypeTokens();
@@ -79,6 +144,26 @@ db.prepare(`
     ON entity_geometries(entity_id)
 `).run();
 
+db.prepare(`
+    CREATE INDEX IF NOT EXISTS idx_section_states_status
+    ON section_states(status, updated_at)
+`).run();
+
+db.prepare(`
+    CREATE UNIQUE INDEX IF NOT EXISTS idx_section_commits_no
+    ON section_commits(section_id, commit_no)
+`).run();
+
+db.prepare(`
+    CREATE INDEX IF NOT EXISTS idx_section_commits_section_time
+    ON section_commits(section_id, created_at)
+`).run();
+
+db.prepare(`
+    CREATE INDEX IF NOT EXISTS idx_section_submissions_section_status
+    ON section_submissions(section_id, status, submitted_at)
+`).run();
+
 module.exports = db;
 
 function ensureColumn(tableName, columnName, columnDefinition) {