fix blog

blog/controllers/PostController.lua

@@ -161,7 +161,7 @@ function PostController:analyse(n)
         end
         self.template:set(message, "Analyse complete")
     else
-        self.template:set(message, "Cannotto analyse")
+        self.template:set(message, "Cannot analyse")
     end
     return true
 end

blog/controllers/ServiceController.lua

@@ -0,0 +1,57 @@
+BaseController:subclass(
+    "ServiceController",
+    {
+        registry = {},
+        models = {"subscribers"}
+    }
+)
+
+function fail(msg)
+    std.json()
+    std.t(JSON.encode({error = msg}))
+end
+
+function result(obj)
+    std.json()
+    std.t(JSON.encode({result = obj, error = false}))
+end
+
+function ServiceController:sendmail()
+    if not REQUEST.query.json then
+        fail("unknown request")
+    end
+    local rq = (JSON.decodeString(REQUEST.query.json))
+    local to = "xsang.le@gmail.com"
+    local from = "From: " .. rq.email .. "\n"
+    local suject = "Subject: " .. rq.subject .. "\n"
+    local content = "Contact request from:" .. rq.name .. "\n Email: " .. rq.email .. "\n" .. rq.content .. "\n"
+
+    local cmd = 'echo "' .. utils.escape(from .. suject .. content) .. '"| sendmail ' .. to
+
+    --print(cmd)
+    local r = os.execute(cmd)
+
+    if r then
+        result(r)
+    else
+        fail("Cannot send email at the moment, the service may be down")
+    end
+    return false
+end
+
+function ServiceController:subscribe()
+    if not REQUEST.query.json then
+        fail("unknown request")
+    end
+    local rq = (JSON.decodeString(REQUEST.query.json))
+    -- check if email is exist
+    local data = self.subscribers:find({exp = {["="] = {email = rq.email}}})
+    if data and #data > 0 then
+        fail("You are already/previously subscribed")
+    else
+        -- save to database
+        self.subscribers:create(rq)
+        result("Ok")
+    end
+    return false
+end