finish database implementation

app/models/api/db/ColumnDef.model.js

@@ -0,0 +1,24 @@
+const Model = require('flitter-orm/src/model/Model')
+const uuid = require('uuid/v4')
+
+/*
+ * ColumnDef Model
+ * -------------------------------------------------------------
+ * Put some description here!
+ */
+class ColumnDef extends Model {
+    static get schema() {
+        // Return a flitter-orm schema here.
+        return {
+            headerName: String,
+            field: String,
+            DatabaseId: String,
+            UUID: { type: String, default: () => uuid() },
+            Type: { type: String, default: 'text' }, // text, number for now
+        }
+    }
+    
+    // Static and instance methods can go here
+}
+
+module.exports = exports = ColumnDef

app/models/api/db/DBEntry.model.js

@@ -0,0 +1,22 @@
+const Model = require('flitter-orm/src/model/Model')
+const uuid = require('uuid/v4')
+
+/*
+ * DBEntry Model
+ * -------------------------------------------------------------
+ * Put some description here!
+ */
+class DBEntry extends Model {
+    static get schema() {
+        // Return a flitter-orm schema here.
+        return {
+            DatabaseId: String,
+            RowData: Object,
+            UUID: { type: String, default: () => uuid() },
+        }
+    }
+    
+    // Static and instance methods can go here
+}
+
+module.exports = exports = DBEntry

app/models/api/db/Database.model.js

@@ -0,0 +1,28 @@
+const Model = require('flitter-orm/src/model/Model')
+const uuid = require('uuid/v4')
+
+/*
+ * Database Model
+ * -------------------------------------------------------------
+ * Put some description here!
+ */
+class Database extends Model {
+    static get schema() {
+        // Return a flitter-orm schema here.
+        return {
+            Name: String,
+            NodeId: String,
+            PageId: String,
+            ColumnIds: [String],
+            UUID: { type: String, default: () => uuid() },
+        }
+    }
+
+    accessible_by(user, mode = 'view') {
+        return user.can(`database:${this.UUID}:${mode}`)
+    }
+    
+    // Static and instance methods can go here
+}
+
+module.exports = exports = Database