break modules/post.ts into separate files

docs/my-old-code/open-graph/[...route].ts

@@ -1,6 +1,6 @@
 import { OGImageRoute } from 'astro-og-canvas';
 
-import { getAllPosts } from '@/modules/post';
+import { getAllPosts } from '@/modules/post/common';
 import { getAllProjects } from '@/modules/project';
 import { ROUTES } from '@/constants/routes';
 

docs/todo3.md

@@ -310,4 +310,9 @@ fix image sizes for new PostCard
 link and primary single color
 put all components and variants in styleguide
 daisy ui color-mix() and oklch just to calc hover colors, i dont need it, hardcode it
+sorted archive like in astro-cactus, route param highlight and link
+refactor rss and json feed
+ProjectCard and test markdown
+PostCardSmall
+extract types from constants
 ```

src/components/CategoriesAndTags.astro

@@ -1,14 +1,14 @@
 ---
 import { Icon } from 'astro-icon/components';
 
-import { getCategoryLinks, getCategoryProps, getTagLinks } from '@/modules/post';
+import { getCategoryLinks, getCategoryProps } from '@/modules/post/category';
+import { getTagLinks } from '@/modules/post/tag';
 import Button from '@/components/Button.astro';
 import FilterList from '@/components/FilterList.astro';
 import Tag from '@/components/Tag.astro';
 import { cn } from '@/utils/styles';
 
-import type { FilterLink } from '@/modules/post';
-import type { PostCollection } from '@/types/post';
+import type { FilterLink, PostCollection } from '@/types/post';
 
 export interface Props extends astroHTML.JSX.AnchorHTMLAttributes {
   posts: PostCollection[];

src/components/CategoryCard.astro

@@ -1,7 +1,7 @@
 ---
 import { Icon } from 'astro-icon/components';
 
-import { getCategoryProps } from '@/modules/post';
+import { getCategoryProps } from '@/modules/post/category';
 import { cn } from '@/utils/styles';
 
 export interface Props extends astroHTML.JSX.AnchorHTMLAttributes {

src/components/FilterList.astro

@@ -1,7 +1,7 @@
 ---
 import { cn } from '@/utils/styles';
 
-import type { FilterLink } from '@/modules/post';
+import type { FilterLink } from '@/types/post';
 
 export interface Props extends astroHTML.JSX.AnchorHTMLAttributes {
   itemLinks: FilterLink[];

src/components/PostCard.astro

@@ -2,7 +2,7 @@
 import { Icon } from 'astro-icon/components';
 import { Image } from 'astro:assets';
 
-import { getCategoryProps } from '@/modules/post';
+import { getCategoryProps } from '@/modules/post/category';
 import Link from '@/components/Link.astro';
 import { ROUTES } from '@/constants/routes';
 import { formatDate, formatDateIso } from '@/utils/datetime';

src/components/PostMeta.astro

@@ -5,7 +5,7 @@ import Link from '@/components/Link.astro';
 import { ROUTES } from '@/constants/routes';
 import { formatDate, formatDateIso } from '@/utils/datetime';
 import { cn } from '@/utils/styles';
-import { getCategoryProps } from '@/modules/post';
+import { getCategoryProps } from '@/modules/post/category';
 
 interface Props {
   publishDate: Date;

src/modules/feed.ts

@@ -2,7 +2,7 @@ import { createMarkdownProcessor } from '@astrojs/markdown-remark';
 
 import { Feed } from 'feed';
 
-import { getAllPosts } from '@/modules/post';
+import { getAllPosts } from '@/modules/post/common';
 import { ROUTES } from '@/constants/routes';
 import { CONFIG } from '@/config';
 

src/modules/post/category.ts

@@ -0,0 +1,53 @@
+import { CATEGORIES } from '@/constants/collections';
+import { ROUTES } from '@/constants/routes';
+
+import type { CategoryType } from '@/constants/collections';
+import type { Filter, FilterLink, PostCollection } from '@/types/post';
+
+export const getAllCategories = (posts: PostCollection[]): string[] =>
+  posts.map((post) => post.data.category).filter(Boolean) as string[];
+
+export const getUniqueCategories = (posts: PostCollection[]): string[] => {
+  const uniqueCategories = [...new Set([...getAllCategories(posts)])];
+  return uniqueCategories;
+};
+
+export const getSortedUniqueCategoriesWithCount = (posts: PostCollection[]): Filter[] => {
+  const categories = getAllCategories(posts);
+  if (!(categories.length > 0)) return [];
+
+  const uniqueCategories = getUniqueCategories(posts);
+
+  const categoriesWithCount = uniqueCategories.map((category) => {
+    const count = categories.filter((item) => item === category).length;
+    return { text: category, count };
+  });
+
+  const sortedCategoriesWithCount = categoriesWithCount.slice().sort((a, b) => b.count - a.count);
+  return sortedCategoriesWithCount;
+};
+
+export const getCategoryLinks = (posts: PostCollection[], pathname?: string): FilterLink[] => {
+  const filterItems = getSortedUniqueCategoriesWithCount(posts);
+
+  const itemLinks = filterItems.map((item) => {
+    const { text, count } = item;
+
+    const href = `${ROUTES.CATEGORIES}${text}`;
+    const textWithCount = `${text} ${count}`;
+
+    const isActive = href === pathname;
+
+    const link = { href, text, count, textWithCount, isActive };
+
+    return link;
+  });
+
+  return itemLinks;
+};
+
+const defaultCategory = CATEGORIES[0];
+
+/** set default to prevent breaking build */
+export const getCategoryProps = (categoryName: string): CategoryType =>
+  CATEGORIES.find((item) => item.name === categoryName) ?? defaultCategory;

src/modules/post/common.ts

@@ -0,0 +1,22 @@
+import { getAllEntries } from '@/modules/common';
+import { COLLECTIONS } from '@/constants/collections';
+
+import type { Post, PostCollection } from '@/types/post';
+
+export const getAllPosts = (): Promise<PostCollection[]> => getAllEntries(COLLECTIONS.POST);
+
+export const getPostsWithReadingTimeFromPosts = async (
+  posts: PostCollection[]
+): Promise<Post[]> => {
+  const readingTimePromises = posts.map(async (post) => {
+    const { remarkPluginFrontmatter } = await post.render();
+    const { readingTime } = remarkPluginFrontmatter;
+    return { readingTime };
+  });
+  const readingTimes = await Promise.all(readingTimePromises);
+
+  // other frontmatter props are in post.data...
+  // readingTimes is in post.readingTimes
+  const postsWithReadingTime = posts.map((post, index) => ({ ...post, ...readingTimes[index] }));
+  return postsWithReadingTime;
+};