Create Typeable interface

src/domain_abstract/model/Typeable.js

@@ -0,0 +1,51 @@
+export default {
+  /**
+   * Get types
+   * @return {Array}
+   */
+  getTypes() {
+    return [];
+  },
+
+  /**
+   * Get type
+   * @param {string} id Type ID
+   *
+   */
+  getType(id) {
+    const types = this.getTypes();
+
+    for (let i = 0; i < types.length; i++) {
+      const type = types[i];
+      if (type.id === id) {
+        return type;
+      }
+    }
+  },
+
+  /**
+   * Add new type
+   * @param {string} id Type ID
+   * @param {Object} definition Definition of the type. Each definition contains
+   *                            `model` (business logic), `view` (presentation logic)
+   *                            and `isType` function which recognize the type of the
+   *                            passed entity
+   * addType('my-type', {
+   *  model: {},
+   *  view: {},
+   *  isType: (value) => {},
+   * })
+   */
+  addType(id, definition) {
+    const type = this.getType(id);
+
+    if (type) {
+      type.model = definition.model;
+      type.view = definition.view;
+      type.isType = definition.isType;
+    } else {
+      definition.id = id;
+      this.getTypes().unshift(definition);
+    }
+  }
+}