refactor: tidy structure of source files

Fixes #79

src/things/article.ts

@@ -0,0 +1,140 @@
+/*
+ * Copyright (C) 2019 StApps
+ * This program is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the Free
+ * Software Foundation, version 3.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program. If not, see <https://www.gnu.org/licenses/>.
+ */
+import {SCMetaTranslations, SCTranslations} from '../general/i18n';
+import {
+  SCCreativeWork,
+  SCCreativeWorkMeta,
+  SCCreativeWorkTranslatableProperties,
+  SCCreativeWorkWithoutReferences,
+} from './abstract/creative-work';
+import {SCThingMeta, SCThingType} from './abstract/thing';
+import {
+  SCThingWithCategories,
+  SCThingWithCategoriesSpecificValues,
+  SCThingWithCategoriesTranslatableProperties,
+  SCThingWithCategoriesWithoutReferences,
+  SCThingWithCategoriesWithoutReferencesMeta,
+} from './abstract/thing-with-categories';
+
+/**
+ * An article without references
+ */
+export interface SCArticleWithoutReferences
+  extends SCCreativeWorkWithoutReferences,
+    SCThingWithCategoriesWithoutReferences<SCArticleCategories, SCThingWithCategoriesSpecificValues> {
+  /**
+   * Article itself as markdown
+   *
+   * @text
+   */
+  articleBody: string;
+
+  /**
+   * Translated fields of an article
+   */
+  translations?: SCTranslations<SCArticleTranslatableProperties>;
+
+  /**
+   * Type of an article
+   */
+  type: SCThingType.Article;
+}
+
+/**
+ * An article
+ *
+ * @validatable
+ * @indexable
+ */
+export interface SCArticle
+  extends SCCreativeWork, SCArticleWithoutReferences,
+    SCThingWithCategories<SCArticleCategories, SCThingWithCategoriesSpecificValues> {
+  /**
+   * Translated fields of an article
+   */
+  translations?: SCTranslations<SCArticleTranslatableProperties>;
+
+  /**
+   * Type of an article
+   */
+  type: SCThingType.Article;
+}
+
+/**
+ * Categories of articles
+ */
+export type SCArticleCategories = 'unipedia';
+
+/**
+ * Translatable properties of creative works
+ */
+export interface SCArticleTranslatableProperties
+  extends SCThingWithCategoriesTranslatableProperties, SCCreativeWorkTranslatableProperties {
+  /**
+   * Translation of the article itself as markdown
+   *
+   * @text
+   */
+  articleBody?: string[];
+}
+
+/**
+ * Meta information about an article
+ */
+export class SCArticleMeta
+  extends SCThingMeta implements SCMetaTranslations<SCArticle> {
+  /**
+   * Translations of fields
+   */
+  fieldTranslations = {
+    de: {
+      ...SCCreativeWorkMeta.getInstance<SCCreativeWorkMeta>().fieldTranslations
+        .de,
+      ...SCThingWithCategoriesWithoutReferencesMeta.getInstance<SCArticleCategories,
+        SCThingWithCategoriesSpecificValues>().fieldTranslations.de,
+      articleBody: 'Artikelinhalt',
+    },
+    en: {
+      ...SCCreativeWorkMeta.getInstance<SCCreativeWorkMeta>().fieldTranslations
+        .en,
+      ...SCThingWithCategoriesWithoutReferencesMeta.getInstance<SCArticleCategories,
+        SCThingWithCategoriesSpecificValues>().fieldTranslations.en,
+      articleBody: 'article body',
+    },
+  };
+
+  /**
+   * Translations of values of fields
+   */
+  fieldValueTranslations = {
+    de: {
+      ...SCCreativeWorkMeta.getInstance<SCCreativeWorkMeta>()
+        .fieldValueTranslations.de,
+      ...SCThingWithCategoriesWithoutReferencesMeta.getInstance<SCArticleCategories,
+        SCThingWithCategoriesSpecificValues>().fieldValueTranslations.de,
+      categories: {
+        'unipedia': 'Unipedia',
+      },
+      type: 'Artikel',
+    },
+    en: {
+      ...SCCreativeWorkMeta.getInstance<SCCreativeWorkMeta>()
+        .fieldValueTranslations.en,
+      ...SCThingWithCategoriesWithoutReferencesMeta.getInstance<SCArticleCategories,
+        SCThingWithCategoriesSpecificValues>().fieldValueTranslations.en,
+      type: SCThingType.Article,
+    },
+  };
+}