fix

blog/api.lua

@@ -88,7 +88,8 @@ get.bytag = function(user, b64tag, limit, action, id)
     return data, sort
 end
 
-get.analyse = function(user)
+get.analyse = function(user, n)
+    if not n then n = 5 end
     local path = "/home/mrsang/aiws/blog-clustering"
     local gettext = loadfile(path.."/gettext.lua")()
     local cluster = loadfile(path.."/cluster.lua")()
@@ -111,7 +112,7 @@ get.analyse = function(user)
             db:delete({["="] = {["1"] = 1}})
             -- get similarity and put to the table
             for id,v in pairs(vectors) do
-                local top = cluster.top_similarity(id,vectors,3)
+                local top = cluster.top_similarity(id,vectors,n)
                 for a,b in pairs(top) do
                     local record = {pid = id, sid = a, score = b}
                     db:insert(record)

blog/assets/style.css

@@ -533,4 +533,9 @@ afx-hbox.inputbox{
     margin-left: 10px;
     margin-right: 10px;
     border-bottom: 1px solid #e5e5e5;
+}
+div[data-id="status"]{
+    padding-left: 10px;
+    padding-top:5px;
+    color:#724841;
 }

blog/view/top.ls

@@ -87,10 +87,11 @@
                 <ul>
                         <li><i class = "fa fa-home"></i><a href="./">Home</a></li>
                         <li ><i class = "fa fa-address-card"></i><a href="https://info.lxsang.me" >Porfolio</a></li>
-                        <li><i class = "fa fa-paper-plane"></i><a href="#" onclick="mailtoMe('rst')" >Contact</a></li>
+                        <li><i class = "fa fa-envelope"></i><a href="#" onclick="mailtoMe('rst')" >Contact</a></li>
                         <?lua
                         if not HEADER.mobile then
                         ?>
+                        <li> <i class = "fa fa-paper-plane"></i><a href="#" onclick="subscribe('rst')">Subscribe</a></li>
                         <li > <i class = "fa fa-globe"></i><a href = "https://os.lxsang.me" target="_blank">AntOS</a></li>
                         <?lua end ?>
                 </ul>

grs/Makefile

@@ -1,6 +1,6 @@
 BUILDDIR = ../build/grs
 
-copyfiles = katex  font-awesome.css fonts images sendmail.lua  main.js ubuntu-regular.css mainsite.css sendto.html hermit-light.css hljs
+copyfiles = katex  font-awesome.css fonts images sendmail.lua subscribe.lua subscribe.html  main.js ubuntu-regular.css mainsite.css sendto.html hermit-light.css hljs
 
 main:
 	- mkdir $(BUILDDIR)

grs/main.js

@@ -3,6 +3,63 @@ String.prototype.__ = function()
 {
     return this
 }
+function subscribe(prefix)
+{
+    if(scheme) return;
+    // get scheme
+    $.get(prefix+"/subscribe.html")
+    .done(function(d) {
+        scheme = $.parseHTML(d)
+        var obs = riot.observable()
+        $(scheme).css("visibility","hidden")
+        $("#desktop" ).append(scheme)
+        obs.on("exit", function(){
+            $(scheme).remove()
+            scheme = undefined
+        })
+        obs.on("rendered", function(d){
+            $(".afx-window-title", scheme).html("Subscribe")
+            $("[data-id='send']", scheme).click(function(){
+                var status = $("[data-id='status']", scheme)
+                status.html("");
+                var els = $("[data-class='data']", scheme)
+                var data = {}
+                
+                for(var i = 0; i < els.length; i++)
+                    data[els[i].name] = $(els[i]).val()
+                if(data.email == "" || data.subject == "" || data.content == "" || data.name == "")
+                    return status.html("Please enter all the fields");
+                var re = /^(([^<>()\[\]\\.,;:\s@"]+(\.[^<>()\[\]\\.,;:\s@"]+)*)|(".+"))@((\[[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\])|(([a-zA-Z\-0-9]+\.)+[a-zA-Z]{2,}))$/;
+                if(!re.test(String(data.email).toLowerCase()))
+                    return status.html("Email is not correct");
+                
+                $.ajax({
+                    type: 'POST',
+                    url: prefix + "/subscribe.lua",
+                    contentType: 'application/json',
+                    data: JSON.stringify(data),
+                    dataType: 'json',
+                    success: null
+                }).done(function(r){
+                    if(r.error)
+                        alert(r.error)
+                    else
+                    {
+                        obs.trigger("exit")
+                        alert("You have been subscribed. Thanks")
+                    }
+                }).fail(function(e, s){
+                    alert("Error: " + e)
+                })
+            })
+            $(scheme).css("visibility","visible")
+        })
+        riot.mount(scheme, {observable:obs})
+    })
+    .fail(function() {
+        alert( "Cannot get the form" );
+    })
+}
 function mailtoMe(prefix)
 {
     if(scheme) return;

grs/subscribe.html

@@ -0,0 +1,24 @@
+<afx-app-window apptitle="Subscribe" minimizable="false" resizable = "false" width="350" height="170">
+    <afx-vbox >
+        <div data-height="5"></div>
+        <afx-hbox data-height="50" class = "inputbox">
+            <div styple="padding-left:5px;padding-right:5px;">Subscribe to receive an email when new post is published</div>
+        </afx-hbox>
+        <div data-height="5"></div> 
+        <afx-hbox data-height="20" class = "inputbox">
+            <div data-width = "47" class = "label">Name:</div>
+            <input data-class = "data" type = "text" name = "name" />
+        </afx-hbox>
+        <div data-height="5"></div>
+        <afx-hbox data-height="20" class = "inputbox">
+            <div data-width = "45" class = "label">Email:</div>
+            <input data-class = "data" type = "text" name = "email" />
+        </afx-hbox>
+        <div data-height="5"></div>
+        <afx-hbox data-height="30">
+            <div data-id="status"></div>
+            <button data-id = "send" data-width = "60" >Send</button>
+        </afx-hbox>
+        <div data-height="5"></div>
+    </afx-vbox>
+</afx-app-window>

grs/subscribe.lua

@@ -0,0 +1,22 @@
+
+if not REQUEST.query.json then
+    fail("unknown request")
+end
+local rq = (JSON.decodeString(REQUEST.query.json))
+local sample = {name = "toto", email = "toto@mail.fr"}
+local db = require("db.model").get("mrsang","subscribers",sample)
+
+if db then
+    -- check if email is exist
+    local data = db:find({exp = { ["="] = { email = rq.email } }})
+    if data and #data > 0 then
+        fail("You are already/previously subscribed")
+    else
+        -- save to database
+        db:insert(rq)
+        result("Ok")
+    end
+    db:close()
+else
+    fail("Cannot subscribe at the moment, the service may be down")
+end