Added Crud Rest API for guest players, unknown players in saved games are automatically added as guests. Games are now as such saved correctly. More decoupling from models. Updated express for better error handling.

src/models/utils.ts

@@ -0,0 +1,41 @@
+export class GenericModelError extends Error {
+    constructor(message: string) {
+        super(message);
+        this.name = "GenericModelError";
+    }
+}
+
+export class ModelParameterError extends GenericModelError {
+    constructor(message: string) {
+        super(message);
+        this.name = "ModelParameterError";
+    }
+}
+
+type CallbackWrapper = <T>(query: () => T) => Promise<any>;
+
+export const tryQuery: CallbackWrapper = async (cb) => {
+    try {
+        return cb();
+    }
+    catch (err) {
+        throw new GenericModelError(err);
+    }
+};
+
+export const globalSchemaOptions = {
+    toObject: {
+        transform: function (doc: any, ret: any) {
+            ret.id = ret._id;
+            delete ret._id;
+            delete ret.__v;
+        }
+    },
+    toJSON: {
+        transform: function (doc: any, ret: any) {
+            ret.id = ret._id;
+            delete ret._id;
+            delete ret.__v;
+        },
+    }
+};