Import other modules into monorepo

src/orm/support/ORMCache.ts

@@ -0,0 +1,45 @@
+import {Container} from "../../di"
+import {Cache} from "../../util"
+import {CacheModel} from "./CacheModel"
+
+/**
+ * A cache driver whose records are stored in a database table using the CacheModel.
+ */
+export class ORMCache extends Cache {
+    public async fetch(key: string): Promise<string | undefined> {
+        const model = await CacheModel.query<CacheModel>()
+            .where(CacheModel.qualifyKey(), '=', key)
+            .where(CacheModel.propertyToColumn('cacheExpires'), '>', new Date())
+            .first()
+
+        if ( model ) {
+            return model.cacheValue
+        }
+    }
+
+    public async put(key: string, value: string, expires?: Date): Promise<void> {
+        let model = await CacheModel.findByKey<CacheModel>(key)
+        if ( !model ) {
+            model = <CacheModel> Container.getContainer().make(CacheModel)
+        }
+
+        model.cacheKey = key
+        model.cacheValue = value
+        model.cacheExpires = expires
+
+        await model.save()
+    }
+
+    public async has(key: string): Promise<boolean> {
+        return CacheModel.query()
+            .where(CacheModel.qualifyKey(), '=', key)
+            .where(CacheModel.propertyToColumn('cacheExpires'), '>', new Date())
+            .exists()
+    }
+
+    public async drop(key: string): Promise<void> {
+        await CacheModel.query()
+            .where(CacheModel.qualifyKey(), '=', key)
+            .delete()
+    }
+}