feat(server): sql-tools support for class level composite fk (#19242)

* feat: support for class level composite fk

* chore: clean up

---------

Co-authored-by: Jason Rasmussen <jason@rasm.me>

server/src/sql-tools/from-code/processors/foreign-key-constraint.processor.ts

@@ -0,0 +1,86 @@
+import { onMissingTable, resolveTable } from 'src/sql-tools/from-code/processors/table.processor';
+import { Processor } from 'src/sql-tools/from-code/processors/type';
+import { addWarning, asForeignKeyConstraintName, asIndexName } from 'src/sql-tools/helpers';
+import { DatabaseActionType, DatabaseConstraintType } from 'src/sql-tools/types';
+
+export const processForeignKeyConstraints: Processor = (builder, items, config) => {
+  for (const {
+    item: { object, options },
+  } of items.filter((item) => item.type === 'foreignKeyConstraint')) {
+    const table = resolveTable(builder, object);
+    if (!table) {
+      onMissingTable(builder, '@ForeignKeyConstraint', { name: 'referenceTable' });
+      continue;
+    }
+
+    const referenceTable = resolveTable(builder, options.referenceTable());
+    if (!referenceTable) {
+      const referenceTableName = options.referenceTable()?.name;
+      addWarning(
+        builder,
+        '@ForeignKeyConstraint.referenceTable',
+        `Unable to find table` + (referenceTableName ? ` (${referenceTableName})` : ''),
+      );
+      continue;
+    }
+
+    let missingColumn = false;
+
+    for (const columnName of options.columns) {
+      if (!table.columns.some(({ name }) => name === columnName)) {
+        addWarning(
+          builder,
+          '@ForeignKeyConstraint.columns',
+          `Unable to find column (${table.metadata.object.name}.${columnName})`,
+        );
+        missingColumn = true;
+      }
+    }
+
+    for (const columnName of options.referenceColumns || []) {
+      if (!referenceTable.columns.some(({ name }) => name === columnName)) {
+        addWarning(
+          builder,
+          '@ForeignKeyConstraint.referenceColumns',
+          `Unable to find column (${referenceTable.metadata.object.name}.${columnName})`,
+        );
+        missingColumn = true;
+      }
+    }
+
+    if (missingColumn) {
+      continue;
+    }
+
+    const referenceColumns =
+      options.referenceColumns || referenceTable.columns.filter(({ primary }) => primary).map(({ name }) => name);
+
+    const name = options.name || asForeignKeyConstraintName(table.name, options.columns);
+
+    table.constraints.push({
+      type: DatabaseConstraintType.FOREIGN_KEY,
+      name,
+      tableName: table.name,
+      columnNames: options.columns,
+      referenceTableName: referenceTable.name,
+      referenceColumnNames: referenceColumns,
+      onUpdate: options.onUpdate as DatabaseActionType,
+      onDelete: options.onDelete as DatabaseActionType,
+      synchronize: options.synchronize ?? true,
+    });
+
+    if (options.index === false) {
+      continue;
+    }
+
+    if (options.index || options.indexName || config.createForeignKeyIndexes) {
+      table.indexes.push({
+        name: options.indexName || asIndexName(table.name, options.columns),
+        tableName: table.name,
+        columnNames: options.columns,
+        unique: false,
+        synchronize: options.synchronize ?? true,
+      });
+    }
+  }
+};