Added pagination to user and index

app/routes.py

@@ -35,7 +35,25 @@ def index():
     page = request.args.get("page", 1, type=int)
     posts = current_user.followed_posts().paginate(
         page, app.config["POSTS_PER_PAGE"], False)
-    return render_template('index.html', title = "Home Page", form = form, posts=posts.items)
+    next_url = url_for("index", page = posts.next_num) if post.has_next else None
+    prev_url = url_for("index", page = posts.prev_num) if posts.has_prev else None
+    return render_template('index.html', 
+                            title = "Home Page", form = form, 
+                            posts=posts.items, next_url = next_url,
+                            prev_url = prev_url)
+
+@app.route("/explore")
+@login_required
+def explore():
+    page = request.args.get("page", 1, type=int)
+    posts = Post.query.order_by(Post.timestamp.desc()).paginate(
+        page, app.config["POSTS_PER_PAGE"], False)
+    next_url = url_for("explore", page=posts.next_num) if posts.has_next else None
+    prev_url = url_for("explore", page=posts.prev_num) if posts.has_prev else None
+    return render_template("index.html",title="Explore", posts=posts.items,
+                            next_url= next_url, prev_url = prev_url)
+
+
 
 @app.route("/login", methods=["GET","POST"])
 def login():
@@ -78,11 +96,15 @@ def register():
 @login_required
 def user(username):
     user = User.query.filter_by(username=username).first_or_404()
-    posts = [
-        {"author" : user, "body": "test post #1"},
-        {"author" : user, "body": "test post #2"}
-    ]
-    return render_template("user.html", user=user, posts=posts)
+    page = request.args.get("page", 1, type=int)
+    posts = user.posts.order_by(Post.timestamp.desc()).paginate(
+        page, app.config["POSTS_PER_PAGE"], False)
+    next_url = url_for("user", username=user.username, page=posts.next_num)\
+        if post.has_next else None
+    prev_url = url_for("user", username=user.username, page=posts.prev_num)\
+        if posts.has_prev else None
+    return render_template("user.html", user=user, posts=posts,
+                            next_url = next_url, prev_url=prev_url)
 
 @app.before_request
 def before_request():
@@ -136,10 +158,3 @@ def unfollow(username):
     flash(f"you are not following {username} anymore")
     return redirect(url_for("user", username = username))
 
-@app.route("/explore")
-@login_required
-def explore():
-    page = request.args.get("page", 1, type=int)
-    posts = Post.query.order_by(Post.timestamp.desc()).paginate(
-        page, app.config["POSTS_PER_PAGE"], False)
-    return render_template("index.html",title="Explore", posts=posts.items)

app/templates/index.html

@@ -18,4 +18,10 @@ <h1>Hi {{ current_user.username }}</h1>
         {% for post in posts %}
             {% include '_post.html' %}
         {% endfor %}
+        {% if prev_url %}
+        <a href="{{ prev_url }}">Newer Posts</a>
+        {% endif %}
+        {% if next_url %}
+        <a href="{{ next_url }}">Older Posts</a>
+        {% endif %}
 {% endblock%}

app/templates/user.html

@@ -23,4 +23,10 @@ <h1>User: {{ user.username }}</h1>
     {% for post in posts %}
         {% include "_post.html" %}   
     {% endfor %}
+    {% if prev_url %}
+    <a href="{{ prev_url }}">Newer Posts</a>
+    {% endif %}
+    {% if next_url %}
+    <a href="{{ next_url }}">Older Posts</a>
+    {% endif %}
 {% endblock %}

config.py

@@ -13,4 +13,4 @@ class Config:
     MAIL_USERNAME = os.environ.get("MAIL_USERNAME")
     MAIL_PASSWORD = os.environ.get("MAIL_PASSWORD")
     ADMINS = ["[email protected]"]
-    POSTS_PER_PAGE = 3
+    POSTS_PER_PAGE = 25