Просмотр статей по тэгам

pyproger/admin/views.py

@@ -1,4 +1,4 @@
-from flask import abort, g, redirect, request, url_for
+from flask import abort, redirect, request, url_for
 from flask_admin.contrib import sqla
 from flask_ckeditor import CKEditorField
 from flask_security import current_user

pyproger/blog/urls.py

@@ -1,8 +1,10 @@
 import locale
 
-from flask import render_template, render_template_string, request
+from flask import (redirect, render_template, render_template_string, request,
+                   session, url_for)
 
-from ..dbase.database import get_paginated_posts, get_post
+from ..dbase.database import (get_all_posts_by_tag, get_paginated_posts,
+                              get_post, get_tags)
 from .blog import bp
 
 locale.setlocale(locale.LC_ALL, "")
@@ -11,14 +13,14 @@ locale.setlocale(locale.LC_ALL, "")
 @bp.route("/", methods=["GET"], defaults={"page": 1})
 @bp.route("/<int:page>", methods=["GET"])
 def index(page=1):
-    per_page = 3
+    session["back_url"] = request.url
+    per_page = 2
     posts, total_pages = get_paginated_posts(page, per_page)
     list_pages = [
         x for x in range(1, total_pages + 1) if x >= page - 2 and x <= page + 2
     ]
     return render_template(
         "blog/index.html",
-        request=request,
         posts=posts,
         title="pyproger - разговоры про питон",
         menu_title="pyproger",
@@ -31,13 +33,48 @@ def index(page=1):
 @bp.route("/post/")
 @bp.route("/post/<path:slug>")
 def post(slug=None):
-    if slug:
+    back_url = session.get("back_url")
+    if slug is not None:
         current_post = get_post(slug)
         return render_template(
             "blog/postview.html",
             title=f"pyproger - {current_post.Post.title}",
             menu_title="pyproger",
             post=current_post,
+            back_url=back_url,
         )
     else:
         return render_template_string("noup")
+
+
+@bp.route("/tags/")
+def get_all_tags():
+    tags = get_tags()
+    return render_template(
+        "blog/tags.html",
+        tags=tags,
+        title="pyproger - поиск по тэгу",
+        menu_title="pyproger",
+    )
+
+
+@bp.route("/tag/", methods=["GET"], defaults={"page": 1})
+@bp.route("/tag/<path:tag>", methods=["GET"])
+def get_posts_by_tag(page=1):
+    tag = request.args.get("tag")
+    if tag is None:
+        return redirect(url_for(".get_all_tags"))
+    per_page = 2
+    posts, total_pages = get_all_posts_by_tag(tag, page, per_page)
+    list_pages = [
+        x for x in range(1, total_pages + 1) if x >= page - 2 and x <= page + 2
+    ]
+    return render_template(
+        "blog/index.html",
+        posts=posts,
+        title=f"pyproger - посты по {tag}",
+        menu_title="pyproger",
+        page=page,
+        total_pages=total_pages,
+        list_pages=list_pages,
+    )

pyproger/dbase/database.py

@@ -1,17 +1,21 @@
+from logging import error
+
 from . import db
-from .models import Post, User
+from .models import Post, Tag, User
 
 
 def get_paginated_posts(page, per_page):
-    quer = (
+    all_post_query = (
         db.session.query(Post, User)
         .join(User, Post.author == User.id)
         .order_by(Post.create_datetime.desc())
-        .paginate(page=page, per_page=per_page, error_out=False)
+        .paginate(page=page, per_page=per_page, error_out=True)
+    )
+    total_pages = (
+        all_post_query.total // per_page + [0, 1][all_post_query.total % per_page != 0]
     )
-    total_pages = quer.total // per_page + [0, 1][quer.total % per_page != 0]
 
-    return quer, total_pages
+    return all_post_query, total_pages
 
 
 def get_post(slug):
@@ -22,3 +26,23 @@ def get_post(slug):
         .first()
     )
     return post_query
+
+
+def get_tags():
+    tags_query = db.session.query(Tag).order_by(Tag.tag)
+    return tags_query
+
+
+def get_all_posts_by_tag(tag, page, per_page):
+    posts_query = (
+        db.session.query(Post, User)
+        .join(User, Post.author == User.id)
+        .filter(Post.tags.any(Tag.tag == tag))
+        .order_by(Post.create_datetime.desc())
+        .paginate(page=page, per_page=per_page, error_out=True)
+    )
+    total_pages = (
+        posts_query.total // per_page + [0, 1][posts_query.total % per_page != 0]
+    )
+    print(posts_query)
+    return posts_query, total_pages

pyproger/templates/blog/index.html

@@ -9,11 +9,7 @@
 {% endblock %}
 
 {% block content %}
-  <div class="conteiner">
-    <br>
-  </div>
-
-  <div class="container px-4 px-lg-5"> 
+    <div class="container px-4 px-lg-5"> 
     <div class="list-group justify-content-center"> 
 
       {% for p in posts %}
@@ -22,11 +18,17 @@
             {{ p.Post.description | safe}}
           </a>
           <small>
-              Опубликовал 
-              <a href="mailto:{{p.User.email}}">
-                {{ p.User.username}}
-              </a> 
-                {{ p.Post.create_datetime.strftime('%d %B, %Y') }}
+            
+              {% for t in p.Post.tags %}
+              <a class="link-offset-2 link-offset-3-hover link-underline link-underline-opacity-0 link-underline-opacity-75-hover" href="{{url_for(".get_posts_by_tag", tag=t.tag )}}">
+                #{{t.tag}}
+              </a>
+              {% endfor %}<br>
+            Опубликовал 
+            <a href="mailto:{{p.User.email}}">
+              {{ p.User.username}} 
+            </a> 
+              {{ p.Post.create_datetime.strftime('%d %B, %Y') }}
           </small>
         <hr class="my-4" />
       {% endfor %}

pyproger/templates/blog/postview.html

@@ -15,5 +15,8 @@
   <h4>{{ post.Post.title | safe }}</h4>
   {{ post.Post.text | safe }}
 </div>
+    <a class="link-offset-2 link-offset-3-hover link-underline link-underline-opacity-0 link-underline-opacity-75-hover" href="{{ back_url }}">
+      Назад
+    </a>
 
 {% endblock %}

pyproger/templates/blog/tags.html

@@ -0,0 +1,28 @@
+{% extends 'blog/base.html' %}
+
+{% block title %}
+{{title}}
+{% endblock %}
+
+{% block menu_title %}
+{{ menu_title }}
+{% endblock %}
+
+{% block content %}
+<!-- Main Content-->
+<div class="conteiner">
+  <br>
+  <h4>Тэги статей:</h4>
+  {% for t in tags %}
+  <li> 
+    <a class="link-offset-2 link-offset-3-hover link-underline link-underline-opacity-0 link-underline-opacity-75-hover" href="{{url_for(".get_posts_by_tag", tag=t.tag )}}">
+      #{{t.tag}}
+    </a>
+  </li>
+  {% endfor %}
+</div>
+    <a class="link-offset-2 link-offset-3-hover link-underline link-underline-opacity-0 link-underline-opacity-75-hover" href="{{ back_url }}">
+      Назад
+    </a>
+
+{% endblock %}

pyproger/translations/translation.py

@@ -5,7 +5,7 @@ from flask_babel import Babel
 
 
 def get_locale():
-    translations = ["en", "ru"]
+    translations = ["ru"]
     return request.accept_languages.best_match(translations)
 
 
@@ -14,22 +14,4 @@ babel = Babel()
 bp = Blueprint(
     "bp_translation",
     __name__,
-    cli_group="translate",
 )
-
-
-@bp.cli.command("update")
-def update():
-    """Update all languages."""
-    if os.system("pybabel extract -F babel.cfg -k _l -o messages.pot ."):
-        raise RuntimeError("extract command failed")
-    if os.system("pybabel update -i messages.pot -d pi3code/translations"):
-        raise RuntimeError("update command failed")
-    os.remove("messages.pot")
-
-
-@bp.cli.command("compile")
-def compile():
-    """Compile all languages."""
-    if os.system("pybabel compile -d pi3code/translations"):
-        raise RuntimeError("compile command failed")