Initial commit

src/utils/content.ts

@@ -0,0 +1,121 @@
+import { type CollectionEntry, getCollection } from "astro:content";
+
+import { getCategoryUrl } from "@utils/url";
+import { i18n } from "@i18n/translation";
+import I18nKey from "@i18n/i18nKey";
+
+
+// // Retrieve posts and sort them by publication date
+async function getRawSortedPosts() {
+    const allBlogPosts = await getCollection("posts", ({ data }) => {
+        return import.meta.env.PROD ? data.draft !== true : true;
+    });
+
+    const sorted = allBlogPosts.sort((a, b) => {
+        // 首先按置顶状态排序，置顶文章在前
+        if (a.data.pinned && !b.data.pinned) return -1;
+        if (!a.data.pinned && b.data.pinned) return 1;
+
+        // 如果置顶状态相同，则按发布日期排序
+        const dateA = new Date(a.data.published);
+        const dateB = new Date(b.data.published);
+        return dateA > dateB ? -1 : 1;
+    });
+    return sorted;
+}
+
+export async function getSortedPosts() {
+    const sorted = await getRawSortedPosts();
+
+    for (let i = 1; i < sorted.length; i++) {
+        sorted[i].data.nextSlug = sorted[i - 1].id;
+        sorted[i].data.nextTitle = sorted[i - 1].data.title;
+    }
+    for (let i = 0; i < sorted.length - 1; i++) {
+        sorted[i].data.prevSlug = sorted[i + 1].id;
+        sorted[i].data.prevTitle = sorted[i + 1].data.title;
+    }
+
+    return sorted;
+}
+export type PostForList = {
+    id: string;
+    data: CollectionEntry<"posts">["data"];
+};
+export async function getSortedPostsList(): Promise<PostForList[]> {
+    const sortedFullPosts = await getRawSortedPosts();
+
+    // delete post.body
+    const sortedPostsList = sortedFullPosts.map((post) => ({
+        id: post.id,
+        data: post.data,
+    }));
+
+    return sortedPostsList;
+}
+export type Tag = {
+    name: string;
+    count: number;
+};
+
+export async function getTagList(): Promise<Tag[]> {
+    const allBlogPosts = await getCollection<"posts">("posts", ({ data }) => {
+        return import.meta.env.PROD ? data.draft !== true : true;
+    });
+
+    const countMap: { [key: string]: number } = {};
+    allBlogPosts.forEach((post: { data: { tags: string[] } }) => {
+        post.data.tags.forEach((tag: string) => {
+            if (!countMap[tag]) countMap[tag] = 0;
+            countMap[tag]++;
+        });
+    });
+
+    // sort tags
+    const keys: string[] = Object.keys(countMap).sort((a, b) => {
+        return a.toLowerCase().localeCompare(b.toLowerCase());
+    });
+
+    return keys.map((key) => ({ name: key, count: countMap[key] }));
+}
+
+export type Category = {
+    name: string;
+    count: number;
+    url: string;
+};
+
+export async function getCategoryList(): Promise<Category[]> {
+    const allBlogPosts = await getCollection<"posts">("posts", ({ data }) => {
+        return import.meta.env.PROD ? data.draft !== true : true;
+    });
+    const count: { [key: string]: number } = {};
+    allBlogPosts.forEach((post: { data: { category: string | null } }) => {
+        if (!post.data.category) {
+            const ucKey = i18n(I18nKey.uncategorized);
+            count[ucKey] = count[ucKey] ? count[ucKey] + 1 : 1;
+            return;
+        }
+
+        const categoryName =
+            typeof post.data.category === "string"
+                ? post.data.category.trim()
+                : String(post.data.category).trim();
+
+        count[categoryName] = count[categoryName] ? count[categoryName] + 1 : 1;
+    });
+
+    const lst = Object.keys(count).sort((a, b) => {
+        return a.toLowerCase().localeCompare(b.toLowerCase());
+    });
+
+    const ret: Category[] = [];
+    for (const c of lst) {
+        ret.push({
+            name: c,
+            count: count[c],
+            url: getCategoryUrl(c),
+        });
+    }
+    return ret;
+}