From e0b530c6061d16766f218e9f0b534881c9338ee5 Mon Sep 17 00:00:00 2001
From: Armored Dragon <publicmail@armoreddragon.com>
Date: Tue, 23 Apr 2024 08:13:48 -0500
Subject: [PATCH] Tags. Search by tags. Return tags used by posts.

Signed-off-by: Armored Dragon <publicmail@armoreddragon.com>
---
 backend/core/core.js                         | 61 ++++++++++++++++++--
 backend/page_scripts.js                      |  4 +-
 frontend/views/themes/default/css/index.css  |  5 +-
 frontend/views/themes/default/css/index.scss |  6 +-
 frontend/views/themes/default/ejs/index.ejs  |  4 +-
 prisma/schema.prisma                         | 14 ++++-
 6 files changed, 84 insertions(+), 10 deletions(-)

diff --git a/backend/core/core.js b/backend/core/core.js
index 8c46a9a..a7f09f1 100644
--- a/backend/core/core.js
+++ b/backend/core/core.js
@@ -131,9 +131,19 @@ async function getPost({ requester_id, post_id, visibility = "PUBLISHED" } = {},
   // Get a single post
   if (post_id) {
     let post;
-    post = await prisma.post.findUnique({ where: { id: post_id }, include: { owner: true } });
+    post = await prisma.post.findUnique({ where: { id: post_id }, include: { owner: true, tags: true } });
     if (!post) return _r(false, "Post does not exist");
     post = _stripPrivatePost(post);
+
+    // Tags
+    let post_tags = [];
+    post.raw_tags = [];
+    post.tags.forEach((tag) => {
+      post_tags.push(tag.name);
+      post.raw_tags.push();
+    });
+    post.tags = post_tags;
+
     // Render post
     return { success: true, data: await _renderPost(post) };
   }
@@ -170,7 +180,7 @@ async function getPost({ requester_id, post_id, visibility = "PUBLISHED" } = {},
   };
   // Build the "where_object" object
   if (search) {
-    if (search_tags) where_object["AND"][0]["OR"].push({ tags: { hasSome: [search?.toLowerCase()] } });
+    if (search_tags) where_object["AND"][0]["OR"].push({ tags: { some: { name: search?.toLowerCase() } } });
     if (search_title) where_object["AND"][0]["OR"].push({ title: { contains: search, mode: "insensitive" } });
     if (search_content) where_object["AND"][0]["OR"].push({ content: { contains: search, mode: "insensitive" } });
   }
@@ -179,7 +189,7 @@ async function getPost({ requester_id, post_id, visibility = "PUBLISHED" } = {},
     where: where_object,
     take: limit,
     skip: Math.max(page, 0) * limit,
-    include: { owner: true },
+    include: { owner: true, tags: true },
     orderBy: [{ publish_date: "desc" }, { created_date: "desc" }],
   });
 
@@ -187,6 +197,10 @@ async function getPost({ requester_id, post_id, visibility = "PUBLISHED" } = {},
     post = _stripPrivatePost(post);
     post = await _renderPost(post);
     post_list.push(post);
+
+    let post_tags = [];
+    post.tags.forEach((tag) => post_tags.push(tag.name));
+    post.tags = post_tags;
   }
 
   // Calculate pagination
@@ -226,6 +240,20 @@ async function editPost({ requester_id, post_id, post_content }) {
     publish_date = new Date(year, month - 1, day, hour, minute);
   }
 
+  // Handle tags ----
+  let database_tag_list = [];
+  const existing_tags = post.tags?.map((tag) => ({ name: tag })) || [];
+
+  // Add new tags
+  for (let tag_index = 0; post_content.tags.length > tag_index; tag_index++) {
+    let tag = post_content.tags[tag_index];
+
+    // Check to see if tag exists, create if necessary,
+    let database_tag = await prisma.tag.upsert({ where: { name: tag }, update: {}, create: { name: tag } });
+
+    database_tag_list.push(database_tag);
+  }
+
   // Rebuild the post to save
   let post_formatted = {
     title: post_content.title,
@@ -233,7 +261,7 @@ async function editPost({ requester_id, post_id, post_content }) {
     content: post_content.content,
     visibility: post_content.visibility || "PRIVATE",
     publish_date: publish_date || post_content.publish_date,
-    tags: post_content.tags,
+    tags: { disconnect: [...existing_tags], connect: [...database_tag_list] },
     media: [...post.raw_media, ...post_content.media],
   };
 
@@ -345,6 +373,29 @@ async function getMedia({ parent_id, file_name }) {
 // Unreferenced images and media will be deleted
 async function deleteMedia({ parent_id, file_name }) {}
 
+async function getTags({ order = "count" } = {}) {
+  if (order == "count") {
+    return await prisma.tag.findMany({
+      include: { _count: { select: { posts: true } } },
+      where: {
+        posts: {
+          some: {},
+        },
+      },
+      take: 15,
+      orderBy: {
+        posts: {
+          _count: "desc",
+        },
+      },
+    });
+  }
+}
+
+// TODO:
+// Will be done automatically in the background
+async function deleteTag({ tag_id }) {}
+
 // async function deleteImage(image, requester_id) {
 //   const user = await getUser({ id: requester_id });
 //   const post = await getBlog({ id: image.parent, raw: true });
@@ -540,4 +591,4 @@ const _r = (s, m) => {
   return { success: s, message: m };
 };
 
-module.exports = { settings, newUser, getUser, editUser, getPost, newPost, editPost, getBiography, updateBiography, uploadMedia, deleteBlog, postSetting, getSetting };
+module.exports = { settings, newUser, getUser, editUser, getPost, newPost, editPost, getBiography, updateBiography, uploadMedia, deleteBlog, getTags, postSetting, getSetting };
diff --git a/backend/page_scripts.js b/backend/page_scripts.js
index c0d84b8..5bee6e8 100644
--- a/backend/page_scripts.js
+++ b/backend/page_scripts.js
@@ -14,6 +14,7 @@ async function index(request, response) {
   // if (!is_setup_complete) return response.redirect("/register");
 
   const blog_list = await core.getPost({ requester_id: request.session.user?.id, page: request.query.page || 0 });
+  const tags = await core.getTags();
 
   blog_list.data.forEach((post) => {
     let published_date_parts = new Date(post.publish_date).toLocaleDateString().split("/");
@@ -27,6 +28,7 @@ async function index(request, response) {
     pagination: blog_list.pagination,
     current_page: request.query.page || 0,
     loaded_page: request.path,
+    tags: tags,
   });
 }
 function register(request, response) {
@@ -52,7 +54,7 @@ async function authorEdit(request, response) {
   response.render(getThemePage("authorEdit"), { ...getDefaults(request), profile: author.data });
 }
 async function blogList(req, res) {
-  const blog_list = await core.getPost({ requester_id: req.session.user?.id }, { search: req.query.search, search_title: true });
+  const blog_list = await core.getPost({ requester_id: req.session.user?.id }, { search: req.query.search, search_title: true, search_tags: true, search_content: true });
 
   blog_list.data.forEach((post) => {
     let published_date_parts = new Date(post.publish_date).toLocaleDateString().split("/");
diff --git a/frontend/views/themes/default/css/index.css b/frontend/views/themes/default/css/index.css
index 6e6f309..7ccc688 100644
--- a/frontend/views/themes/default/css/index.css
+++ b/frontend/views/themes/default/css/index.css
@@ -85,7 +85,8 @@
   height: -moz-fit-content;
   height: fit-content;
   background-color: lightgray;
-  margin-bottom: 0.1rem;
+  margin-bottom: 0.5rem;
+  margin-right: 0.5rem;
 }
 .post-list-container .tag-list .list .tag::before {
   display: none;
@@ -98,6 +99,8 @@
   padding: 0.2rem 0.3rem;
   box-sizing: border-box;
   border-radius: 4px;
+  color: black;
+  text-decoration: none;
 }
 
 .tag::before {
diff --git a/frontend/views/themes/default/css/index.scss b/frontend/views/themes/default/css/index.scss
index 5b6e23a..c089a8b 100644
--- a/frontend/views/themes/default/css/index.scss
+++ b/frontend/views/themes/default/css/index.scss
@@ -95,7 +95,8 @@
       .tag {
         height: fit-content;
         background-color: lightgray;
-        margin-bottom: 0.1rem;
+        margin-bottom: 0.5rem;
+        margin-right: 0.5rem;
       }
 
       .tag::before {
@@ -111,6 +112,9 @@
   padding: 0.2rem 0.3rem;
   box-sizing: border-box;
   border-radius: 4px;
+
+  color: black;
+  text-decoration: none;
 }
 
 .tag::before {
diff --git a/frontend/views/themes/default/ejs/index.ejs b/frontend/views/themes/default/ejs/index.ejs
index 04db330..cb3f6d8 100644
--- a/frontend/views/themes/default/ejs/index.ejs
+++ b/frontend/views/themes/default/ejs/index.ejs
@@ -22,7 +22,9 @@
           <div class="tag-list">
             <div class="tag-header">TAGS</div>
             <div class="list">
-              <div class="tag icon">Tag 1</div>
+              <% for(tag of tags) { %>
+              <a class="tag icon" href="/posts/?search=<%= tag.name  %> "><%= tag.name %></a>
+              <% } %>
             </div>
           </div>
         </div>
diff --git a/prisma/schema.prisma b/prisma/schema.prisma
index 1d8d508..36a38ff 100644
--- a/prisma/schema.prisma
+++ b/prisma/schema.prisma
@@ -35,7 +35,7 @@ model Post {
   ownerid     String?
 
   // Tags
-  tags String[]
+  tags Tag[]
 
   // Dates
   publish_date DateTime?
@@ -62,6 +62,18 @@ model Group {
   permissions String[]
 }
 
+model Tag {
+  id    String  @id @unique @default(uuid())
+  name  String  @unique
+  type  TagMode @default(NORMAL)
+  posts Post[]
+}
+
+enum TagMode {
+  NORMAL
+  ALIAS
+}
+
 enum Role {
   LOCKED
   USER