From 9de9871b40153b83f57f6a812de44b3844e556ab Mon Sep 17 00:00:00 2001
From: Mylloon <kennel.anri@tutanota.com>
Date: Fri, 22 Dec 2023 03:07:20 +0100
Subject: [PATCH] feat: post reader

---
 src/routes/index.py       |  4 ++--
 src/routes/read.py        | 33 +++++++++++++++++++++++++++++----
 src/static/css/style.css  |  7 ++++++-
 src/templates/header.html | 24 ++++++++++++++++++++++++
 src/templates/index.html  |  4 +++-
 src/templates/post.html   | 12 +++++-------
 src/templates/read.html   | 14 ++++++++++----
 src/utils/misc.py         | 31 ++++++++++++++++++++++++++++++-
 8 files changed, 109 insertions(+), 20 deletions(-)

diff --git a/src/routes/index.py b/src/routes/index.py
index 43f01e2..6e0add2 100644
--- a/src/routes/index.py
+++ b/src/routes/index.py
@@ -2,7 +2,7 @@ from os import path as os_path
 
 from config import Config
 from flask import Blueprint, flash, redirect, render_template, request
-from utils.misc import get_posts
+from utils.misc import get_posts, post_filename
 from werkzeug import Response
 
 name = __name__.split(".")[-1]
@@ -36,7 +36,7 @@ def new_post() -> Response:
 
             # creating the post
             with open(
-                f"{Config.data_dir}/{filename}.txt",
+                post_filename(filename),
                 "w",
                 encoding="utf-8",
             ) as f:
diff --git a/src/routes/read.py b/src/routes/read.py
index 8a43487..33afafc 100644
--- a/src/routes/read.py
+++ b/src/routes/read.py
@@ -1,11 +1,36 @@
 from config import Config
-from flask import Blueprint, render_template
+from flask import Blueprint, flash, redirect, render_template
+from utils.misc import delete_post, get_post, post_filename
+from werkzeug import Response
 
 name = __name__.split(".")[-1]
 router = Blueprint(name, __name__)
 
 
-@router.route(f"/{name}")
-def read() -> str:
+@router.route(f"/{name}/<int:file>")
+def read(file: int) -> str:
     """read page"""
-    return render_template("read.html", config=Config, page_name=name)
+    filename = post_filename(file)
+    content = get_post(filename)
+
+    return render_template(
+        "read.html",
+        config=Config,
+        read_page=True,
+        page_name=name,
+        name=f"{file}.txt",
+        file=content,
+    )
+
+
+@router.route(f"/{name}/<int:file>", methods=["POST"])
+def remove_post(file: int) -> Response:
+    """remove a post"""
+    if Config.is_logged():
+        filename = post_filename(file)
+        if delete_post(filename):
+            flash(f"{filename} deleted.")
+        else:
+            flash(f"{filename} doesn't exists")
+
+    return redirect("/")
diff --git a/src/static/css/style.css b/src/static/css/style.css
index 3419b86..020cef0 100644
--- a/src/static/css/style.css
+++ b/src/static/css/style.css
@@ -25,7 +25,7 @@ span#login-form {
 }
 
 /* button stylised as text */
-span#login-form button {
+span button {
   margin-left: 0.4em;
   background: none;
   border: none;
@@ -81,3 +81,8 @@ ul {
 li {
   padding-bottom: 1em;
 }
+
+/* Edit button */
+summary {
+  display: inline;
+}
diff --git a/src/templates/header.html b/src/templates/header.html
index f263c4f..107cf8f 100644
--- a/src/templates/header.html
+++ b/src/templates/header.html
@@ -9,5 +9,29 @@
         d="M5 21a7 7 0 1 1 14 0M16 7a4 4 0 1 1-8 0 4 4 0 0 1 8 0Z"
       /></svg
   ></a>
+  {% endif %} {% if read_page and config.is_logged() and file %}
+  <details>
+    <summary>
+      <svg width="30px" fill="none" viewBox="0 0 24 24">
+        <path
+          stroke="#000"
+          d="M3.8 12.963 2 18l4.8-.63L18.11 6.58a2.612 2.612 0 0 0-3.601-3.785L3.8 12.963z"
+        />
+      </svg>
+    </summary>
+    {% include "post.html" %}
+  </details>
+
+  <span
+    ><form method="post">
+      <button type="submit">
+        <svg width="30px" fill="none" viewBox="0 0 24 24">
+          <path
+            stroke="#000"
+            d="m18 6-.8 12.013c-.071 1.052-.106 1.578-.333 1.977a2 2 0 0 1-.866.81c-.413.2-.94.2-1.995.2H9.994c-1.055 0-1.582 0-1.995-.2a2 2 0 0 1-.866-.81c-.227-.399-.262-.925-.332-1.977L6 6M4 6h16m-4 0-.27-.812c-.263-.787-.394-1.18-.637-1.471a2 2 0 0 0-.803-.578C13.938 3 13.524 3 12.694 3h-1.388c-.829 0-1.244 0-1.596.139a2 2 0 0 0-.803.578c-.243.29-.374.684-.636 1.471L8 6m6 4v7m-4-7v7"
+          />
+        </svg>
+      </button></form
+  ></span>
   {% endif %}
 </header>
diff --git a/src/templates/index.html b/src/templates/index.html
index 84eebb7..eff77f9 100644
--- a/src/templates/index.html
+++ b/src/templates/index.html
@@ -6,7 +6,9 @@
   {% include "header.html" %}
 
   <body>
-    {% include "post.html" %}
+    {% if config.is_logged() %}
+    <aside>{% include "post.html" %}</aside>
+    {% endif %}
 
     <main>
       <p>{{ "".join(get_flashed_messages()) | safe }}</p>
diff --git a/src/templates/post.html b/src/templates/post.html
index 22cc68b..bdc9ddf 100644
--- a/src/templates/post.html
+++ b/src/templates/post.html
@@ -1,9 +1,7 @@
 {% if config.is_logged() %}
-<aside>
-  <form action="/" method="post">
-    <textarea name="p"></textarea>
-    <br />
-    <button type="submit">send</button>
-  </form>
-</aside>
+<form action="/" method="post">
+  <textarea name="p">{{ file }}</textarea>
+  <br />
+  <button type="submit">send</button>
+</form>
 {% endif %}
diff --git a/src/templates/read.html b/src/templates/read.html
index ae130a8..813b64d 100644
--- a/src/templates/read.html
+++ b/src/templates/read.html
@@ -6,11 +6,17 @@
   {% include "header.html" %}
   <body>
     <main>
-      <!-- TODO: show a specific post -->
+      {% if file %}
+      <h3>{{ name }}</h3>
 
-      <!-- TODO: button to edit the post if logged -->
-
-      <!-- TODO: button to delete the post if logged -->
+      <p>{{ file }}</p>
+      {% else %}
+      <p>{{ name }} doesn't exists</p>
+      {% endif %}
     </main>
+
+    <footer>
+      <a href="/">back to index</a>
+    </footer>
   </body>
 </html>
diff --git a/src/utils/misc.py b/src/utils/misc.py
index 39b1d78..ca6ad52 100644
--- a/src/utils/misc.py
+++ b/src/utils/misc.py
@@ -1,10 +1,39 @@
 from os import listdir
 from os import path as os_path
+from os import remove as os_remove
 
 from config import Config
 
 
-def get_posts():
+def post_filename(number: int):
+    """get filename of post"""
+    return f"{Config.data_dir}/{number}.txt"
+
+
+def get_posts() -> list[str]:
+    """get posts list"""
     return [
         os_path.join(Config.data_dir, basename) for basename in listdir(Config.data_dir)
     ]
+
+
+def get_post(filename: str) -> str | None:
+    """get a post"""
+    try:
+        open(filename)
+    except FileNotFoundError:
+        return None
+    else:
+        with open(filename, "r") as reader:
+            return reader.read()
+
+
+def delete_post(filename: str) -> bool:
+    """delete a post"""
+    try:
+        open(filename)
+    except FileNotFoundError:
+        return False
+    else:
+        os_remove(filename)
+        return True