Initial version

[web-gallery.git] / app / app.py

diff --git a/app/app.py b/app/app.py
index 86cbf799ee072e87873f4f0a630654b447ca5e59..33aac3d28c2a627db29b320485ed697d3537fe65 100644 (file)
--- a/app/app.py
+++ b/app/app.py
@@ -1,8 +1,64 @@
 from flask import Flask, render_template
+import os
+import re
 
 app = Flask(__name__)
+gallery_root = "/app/gallery"
+get_num_regex = re.compile(r'\d+')
 
 @app.route('/')
 def render_gallery():
-    items = ['LittleWilly', 'foo', 'bar']
-    return render_template( 'gallery.html', gallery_items=items )
+    gallery_names = []
+    with os.scandir(gallery_root) as galleries:
+        for gallery in galleries:
+            if not gallery.is_file():
+                gallery_names.append(gallery.name)
+    gallery_names.sort()
+    return render_template( 'gallery.html', galleries=gallery_names )
+
+def get_page_number_from_name(name):
+    try:
+        return int(get_num_regex.findall(name)[-1]) 
+    except IndexError:
+        print ("Index error on name " + name, flush=True)
+        return -1
+
+@app.route('/<gallery>')
+def render_pages(gallery=None):
+    template_pages = []
+    with os.scandir(gallery_root + "/" + gallery) as pages:
+        for page in pages:
+            if page.is_file() and page.name.endswith('.png') or page.name.endswith('.jpg'):
+                template_pages.append({
+                    'name': page.name, 
+                    'number': get_page_number_from_name(page.name)
+                    })
+    template_pages = sorted(template_pages, key=lambda page: page['number'])
+    return render_template( 'pages.html', gallery=gallery, pages=template_pages )
+
+@app.route('/<gallery>/<int:page_num>')
+def render_page(gallery=None, page_num=None):
+
+    # find a page that I think corrosponds to this page number
+    page_name = None
+    with os.scandir(gallery_root + "/" + gallery) as pages:
+        for page in pages:
+            if page.is_file():
+                num = get_page_number_from_name(page.name)
+                if int(page_num) == int(num):
+                    page_name = page.name
+                    break
+
+    # if found, create src link to that page
+    if page_name:
+        src = '/images/{}/{}'.format( gallery, page_name )
+        prev_page_url = "/{}/{}".format( gallery, page_num - 1)
+        next_page_url = "/{}/{}".format( gallery, page_num + 1)
+
+        return render_template( 'page.html',
+            gallery=gallery, page_num=page_num,
+            title=page_name, src=src, alt=page_name,
+            prev_page_url=prev_page_url,
+            next_page_url=next_page_url )
+    else:
+        return 'No page found'