# HG changeset patch
# User paulo
# Date 1619859548 25200
# Node ID d216dd8e63da1d87561145493f6cda908c7882a2
# Parent  9b57b90aea31afee7fe2d2027815ff41a2333d80
pics3: implement thumbs page

diff -r 9b57b90aea31 -r d216dd8e63da pics3/pics_flask_app.py
--- a/pics3/pics_flask_app.py	Thu Mar 25 00:33:42 2021 -0700
+++ b/pics3/pics_flask_app.py	Sat May 01 01:59:08 2021 -0700
@@ -87,6 +87,17 @@
   body.text(" ")
 
 
+def _go_thumbnail_links_to_thumbs_html_body(body, d, t, a_args={}, img_args={}):
+  thumb_img_url = GCS_BUCKET.get_blob(t).public_url
+  thumbs_url_args = {"from": os.path.basename(t), "_anchor": "selected"}
+  thumbs_url = flask.url_for("thumbs", d=d, **thumbs_url_args)
+  
+  a = body.a(href=thumbs_url, **a_args)
+  a.img(src=thumb_img_url, **img_args)
+
+  body.text(" ")
+
+
 @app.route("/")
 def index():
   n = 5 # number of thumbnails to display per dir
@@ -94,22 +105,18 @@
   (root, header, body) = _get_standard_html_doc("Pictures")
   header.script('', type="text/javascript", src=flask.url_for("static", filename="lazyload.js"))
 
-  #body.pre(str(list(GCS_CLIENT.list_blobs(GCS_BUCKET))))
-
   pics_dirs = []
   pics_dirs_index_blob = GCS_BUCKET.get_blob("pics/index.tsv")
   if pics_dirs_index_blob:
     pics_dirs_index_strlist = pics_dirs_index_blob.download_as_text().splitlines()
     pics_dirs_index_reader = csv.reader(pics_dirs_index_strlist, PICSDIALECT)
-    pics_dirs = sorted(pics_dirs_index_reader, key=lambda x: x[0])
+    pics_dirs = sorted(pics_dirs_index_reader, key=lambda x: x[0], reverse=True)
 
   for (dts, d) in pics_dirs:
     dt = _parse_dt(dts)
-    body.h2(d)
+    body.h2.a(d, href=flask.url_for("thumbs", d=d))
     body.h3(_format_dt(dt))
 
-    #body.pre(str(list(_get_images(d))))
-
     imgs = _get_images(d)
     imgs_idx = [(i, img) for (i, img) in enumerate(imgs)]
     
@@ -166,18 +173,38 @@
       (t, b) = img_c
       a_args = {}
       img_args = {}
-       # FIXME
-      #if b == img:
-      #  a_args = {"id": "up"}
-      #  img_args = {"klass": "sel"}
-      #  b = f"{d}?from={img}#selected"
-      if False:
-        pass
+      if os.path.basename(b) == img:
+        a_args = {"id": "up"}
+        img_args = {"klass": "sel"}
+        b = None
       elif i == v + 1:
         a_args = {"id": "next"}
       elif i == v - 1:
         a_args = {"id": "prev"}
     
-      _go_thumbnail_links_to_browse_imgs_html_body(p, d, t, b, a_args, img_args)
+      if b is None:
+        _go_thumbnail_links_to_thumbs_html_body(p, d, t, a_args, img_args)
+      else:
+        _go_thumbnail_links_to_browse_imgs_html_body(p, d, t, b, a_args, img_args)
 
   return str(root).encode("utf-8")
+
+
+@app.route("/<d>")
+def thumbs(d):
+  args = flask.request.args
+  print(f"args = {args}")
+
+  from_img = args.get("from")
+
+  imgs = list(_get_images(d))
+  (root, header, body) = _get_standard_html_doc(d)
+
+  p = body.p
+  for (t, b) in imgs:
+    img_args = {}
+    if os.path.basename(b) == from_img:
+      img_args={"klass": "sel2", "id":"selected"}
+    _go_thumbnail_links_to_browse_imgs_html_body(p, d, t, b, img_args=img_args)
+
+  return str(root).encode("utf-8")