rewrite pagination stuff to make use of the startkey parameter in

conjunction with a list function

fabfile.py

@@ -54,6 +54,7 @@ def serveUp():
     sudo("systemctl daemon-reload")
     sudo("systemctl enable blog.service")
     sudo("systemctl restart blog.service")
+    sudo("systemctl restart memcached")
 
 @task(default=True)
 def build():

list.js

@@ -1,11 +1,13 @@
 function(head, req) {
   var row, results;
-  results = [];
-  categories = (req.query.categories !== undefined ? JSON.parse(req.query.categories) : []);
-  while (row = getRow()) {
+  var results = [];
+  var categories = (req.query.categories !== undefined ? JSON.parse(req.query.categories) : []);
+  var num = req.query.num;
+
+  while (results.length < num && (row = getRow())) {
     if (categories.length == 0 ||
-        categories.some(function(c) { return row.key.indexOf(c) !== -1; })) {
-      results.push([row.key, row.value]);
+        categories.some(function(c) { return row.value.categories.indexOf(c) !== -1; })) {
+      results.push([row.value.categories, row.value]);
     }
   }
   return JSON.stringify({q : req.query.categories, results : results});

src/posts.py

@@ -145,13 +145,19 @@ class Posts:
                                      group=True)
                 ])))
 
-    def browse(self, count, skip, categories=[], json=True):
+    def browse(self, limit, startkey, categories=[], json=True):
+        args = {
+                "num" : limit,
+                "categories" : dumps(categories)
+                }
+
+        if startkey:
+            args["startkey"] = startkey
+
         results = self.db.list(
                     "blogPosts/categories",
                     "blogPosts/format",
-                    count=count,
-                    skip=skip,
-                    categories=dumps(categories))[1].get("results", [])
+                    **args)[1].get("results", [])
 
         posts = []
         for categories, post in results:

src/scripts/browse.tag

@@ -47,6 +47,7 @@ import { default as showdown } from 'showdown';
 
 var self = this;
 
+self.pagenum = 0;
 self.route = route;
 self.loading = false;
 self.category = self.opts.state.category_filter;
@@ -79,7 +80,7 @@ self.filterCategories = (category) => {
     });
     self.opts.state.category_filter = category;
 
-    window.cached(`/blog/getbrowse/${category}/0`)
+    window.cached(`/blog/getbrowse/${category}/5/${self.lastkey}`)
     .then((resp) => { return resp.json() })
     .then((results) => {
       self.opts.state.results = results;
@@ -92,7 +93,7 @@ self.filterCategories = (category) => {
 
 self.getInitial = () => {
     self.update({"loading" : true});
-    window.cached(`/blog/getbrowse/0`)
+    window.cached(`/blog/getbrowse/5/${self.lastkey}`)
     .then((resp) => { return resp.json() })
     .then((results) => {
       self.opts.state.results = results;

src/scripts/categoryfilter.tag

@@ -61,7 +61,7 @@
 var self = this;
 
 self.start = 0;
-self.pagesize = 5;
+self.pagesize = 10;
 self.items = self.opts.items;
 
 preventDefault(ev) {

src/website.py

@@ -10,7 +10,6 @@ from flask_login import LoginManager, login_required, login_user
 from flask_wtf.csrf import CSRFProtect
 from flask.ext.cache import Cache
 
-from urllib.parse import unquote
 from urllib.parse import quote, unquote
 from json import dumps, loads
 from admin import Admin
@@ -156,7 +155,7 @@ def NeverWhere(configfile=None):
 
     @app.route("/blog/browse/<start>")
     def browse(start):
-        results = posts.browse(10, start*10, categories=[], json=False)
+        results = posts.browse(4, start*4, categories=[], json=False)
         return render_template("index.html",
                                 page="browse",
                                 start=start,
@@ -164,7 +163,7 @@ def NeverWhere(configfile=None):
 
     @app.route("/blog/browse/<category>/<start>")
     def browse_categories(category, start):
-        results = posts.browse(10, start*10, categories=[category], json=False)
+        results = posts.browse(4, start*4, categories=[category], json=False)
         return render_template("index.html",
                                 page="browse",
                                 start=start,
@@ -231,14 +230,14 @@ def NeverWhere(configfile=None):
         author = request.form.get("author", "no author")
         title = request.form.get("title", "no title")
         content = request.form.get("content", "no content")
-        category = request.form.get("category", "programming")
+        category = request.form.get("categories", ["programming"])
         postid = request.form.get("_id", False)
 
         post = {
                 "author" : author,
                 "title" : title,
                 "content" : content,
-                "category" : category,
+                "categories" : category,
                 "_id" : postid
                 }
 
@@ -255,14 +254,21 @@ def NeverWhere(configfile=None):
     def projects():
         return jsonify(loads(cacheit("projects", getProjects)))
 
-    @app.route("/blog/getbrowse/<start>")
-    def getbrowse(start):
-        return posts.browse(10, start*10, categories=[])
+    @app.route("/blog/getbrowse/<limit>")
+    def getbrowsefirst(limit):
+        return posts.browse(limit, False)
 
-    @app.route("/blog/getbrowse/<category>/<start>")
-    def getbycategory(category, start):
-        return posts.browse(10, start*10, categories=[category])
+    @app.route("/blog/getbrowselim/<limit>/<startkey>")
+    def getbrowse(limit, startkey):
+        return posts.browse(limit, startkey)
 
+    @app.route("/blog/getbrowse/<category>/<limit>/<startkey>")
+    def getbycategory(category, limit, startkey):
+        return posts.browse(limit, startkey, categories=[category])
+
+    @app.route("/blog/getbrowsecat/<category>/<limit>")
+    def getbycategoryinitial(category, limit):
+        return posts.browse(limit, False, categories=[category])
     return app
 
 app = NeverWhere()