new code structure

src/messenger/android/core.cljs

@@ -11,7 +11,9 @@
             [messenger.state :as state]
             [messenger.android.login :refer [login]]
             [messenger.android.contacts-list :refer [contacts-list]]
-            [messenger.android.chat :refer [chat]]))
+            [messenger.android.chat :refer [chat]]
+            [messenger.comm.pubsub :as pubsub]
+            [messenger.comm.intercom :refer [load-user-phone-number]]))
 
 (def app-registry (.-AppRegistry js/React))
 
@@ -55,5 +57,7 @@
 (defonce app-root (om/factory RootNode))
 
 (defn init []
+  (pubsub/setup-pub-sub)
+  (load-user-phone-number)
   (om/add-root! state/reconciler AppRoot 1)
   (.registerComponent app-registry "Messenger" (fn [] app-root)))

src/messenger/android/login.cljs

@@ -83,23 +83,10 @@
     (swap! state/app-state assoc :user-phone-number
            formatted)))
 
-(defn load-user-phone-number [handler]
-  (get-item "user-phone-number"
-            (fn [error value]
-              (if (not error)
-                (let [phone-number (when value (str value))]
-                  (swap! state/app-state assoc :user-phone-number phone-number)
-                  (when handler
-                    (handler phone-number)))
-                (alert (str "error" error))))))
-
 (defui Login
   static om/IQuery
   (query [this]
          '[:user-phone-number])
-  Object
-  (componentDidMount [this]
-                     (load-user-phone-number nil))
   (render [this]
           (let [{:keys [user-phone-number]} (om/props this)
                 {:keys [nav]} (om/get-computed this)]

src/messenger/android/utils.cljs

@@ -4,7 +4,7 @@
    [natal-shell.alert :refer [alert]]
    [natal-shell.toast-android :as toast]))
 
-(def server-address "http://10.0.3.2:3000/")
+(def server-address "http://rpc0.syng.im:20000/")
 
 (defn log [obj]
   (.log js/console obj))

src/messenger/comm/intercom.cljs

@@ -0,0 +1,19 @@
+(ns messenger.comm.intercom
+  (:require [cljs.core.async :as async :refer [put!]]
+            [messenger.state :refer [state
+                                     pub-sub-publisher]]
+            [syng-im.utils.logging :as log]))
+
+(defn publish! [topic message]
+  (let [publisher (->> (state)
+                       (pub-sub-publisher))]
+    (put! publisher [topic message])))
+
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+
+(defn load-user-phone-number []
+  ;; :service [service_name action_id args_map]
+  (publish! :service [:user-data :user-data/load-phone-number nil]))
+
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+

src/messenger/comm/pubsub.cljs

@@ -0,0 +1,33 @@
+(ns messenger.comm.pubsub
+  (:require-macros [cljs.core.async.macros :refer [go alt!]])
+  (:require [cljs.core.async :as async :refer [chan pub sub]]
+            [messenger.state :refer [state
+                                     pub-sub-publisher
+                                     app-state
+                                     pub-sub-path]]
+            [messenger.comm.services :refer [services-handler]]
+            [messenger.utils.event :refer [handle-channel-events]]))
+
+(defn service-id [message]
+  (first message))
+
+(defn payload [message]
+  (rest message))
+
+(defn subscribe-handler [publication topic handler]
+  (let [chn (chan)]
+    (sub publication topic chn)
+    (handle-channel-events chn (fn [_topic message]
+                                 (handler app-state
+                                          (service-id message)
+                                          (payload message))))))
+
+(defn setup-publication! [app-state]
+  (let [publisher   (pub-sub-publisher @app-state)
+        publication (pub publisher first)]
+    (swap! app-state assoc-in pub-sub-path publication)
+    publication))
+
+(defn setup-pub-sub []
+  (-> (setup-publication! app-state)
+      (subscribe-handler :service services-handler)))

src/messenger/comm/services.cljs

@@ -0,0 +1,15 @@
+(ns messenger.comm.services
+  (:require
+    [syng-im.utils.logging :as log]
+    [messenger.services.user-data :refer [user-data-handler]]))
+
+(defmulti service (fn [state service-id args]
+                    service-id))
+
+(defmethod service :user-data
+  [state service-id args]
+  (user-data-handler state args))
+
+(defn services-handler [state service-id args]
+  (log/info "handling " service-id " args = " args)
+  (service state service-id args))

src/messenger/models/user_data.cljs

@@ -0,0 +1,16 @@
+(ns messenger.models.user-data
+  (:require-macros
+    [natal-shell.async-storage :refer [get-item set-item]]
+    [natal-shell.alert :refer [alert]])
+  (:require [messenger.state :as state]))
+
+
+(defn load-phone-number []
+  (get-item "user-phone-number"
+            (fn [error value]
+              (if error
+                (alert (str "error" error))
+                (swap! state/app-state assoc :user-phone-number (when value
+                                                                  (str value)))))))
+
+

src/messenger/services/user_data.cljs

@@ -0,0 +1,15 @@
+(ns messenger.services.user-data
+  (:require [messenger.models.user-data :refer [load-phone-number]]
+            [syng-im.utils.logging :as log]))
+
+(defmulti user-data (fn [state id args]
+                              id))
+
+(defmethod user-data :user-data/load-phone-number
+  [state id args]
+  (log/info "handling " id "args = " args)
+  (load-phone-number))
+
+(defn user-data-handler [state [id args]]
+  (log/info "user notification: " args)
+  (user-data state id args))

src/messenger/state.cljs

@@ -1,13 +1,16 @@
 (ns messenger.state
-  (:require [om.next :as om]
+  (:require [cljs.core.async :as async :refer [chan pub sub]]
+            [om.next :as om]
             [re-natal.support :as sup]))
 
 (set! js/React (js/require "react-native"))
 
-(defonce app-state (atom {:component nil
-                          :user-phone-number nil
+(defonce app-state (atom {:component             nil
+                          :user-phone-number     nil
                           :user-whisper-identity nil
-                          :confirmation-code nil}))
+                          :confirmation-code     nil
+                          :channels              {:pub-sub-publisher   (chan)
+                                                  :pub-sub-publication nil}}))
 (def ^{:dynamic true :private true} *nav-render*
   "Flag to suppress navigator re-renders from outside om when pushing/popping."
   true)
@@ -21,8 +24,17 @@
       {:value :not-found})))
 
 (defonce reconciler
-  (om/reconciler
-   {:state        app-state
-    :parser       (om/parser {:read read})
-    :root-render  sup/root-render
-    :root-unmount sup/root-unmount}))
+         (om/reconciler
+           {:state        app-state
+            :parser       (om/parser {:read read})
+            :root-render  sup/root-render
+            :root-unmount sup/root-unmount}))
+
+
+(defn state [] @app-state)
+
+(def pub-sub-bus-path [:channels :pub-sub-publisher])
+(def pub-sub-path [:channels :pub-sub-publication])
+(def user-notification-path [:user-notification])
+
+(defn pub-sub-publisher [app] (get-in app pub-sub-bus-path))

src/messenger/utils/event.cljs

@@ -0,0 +1,9 @@
+(ns messenger.utils.event
+  (:require [cljs.core.async :refer [<!]])
+  (:require-macros [cljs.core.async.macros :refer [go]]))
+
+(defn handle-channel-events [chan handler]
+  (go (loop [[msg args] (<! chan)]
+        (when msg
+          (handler msg args)
+          (recur (<! chan))))))