init protocol

Former-commit-id: 61875cccc2

syng-im/src/syng_im/android/core.cljs

@@ -15,7 +15,7 @@
 (def logo-img (js/require "./images/cljs.png"))
 
 (defn alert [title]
-      (.alert (.-Alert js/React) title))
+  (.alert (.-Alert js/React) title))
 
 (defn app-root []
   (let [greeting (subscribe [:get-greeting])]
@@ -24,10 +24,11 @@
        [text {:style {:font-size 30 :font-weight "100" :margin-bottom 20 :text-align "center"}} @greeting]
        [image {:source logo-img
                :style  {:width 80 :height 80 :margin-bottom 30}}]
-       [touchable-highlight {:style {:background-color "#999" :padding 10 :border-radius 5}
+       [touchable-highlight {:style    {:background-color "#999" :padding 10 :border-radius 5}
                              :on-press #(alert "HELLO!")}
         [text {:style {:color "white" :text-align "center" :font-weight "bold"}} "press me"]]])))
 
 (defn init []
-      (dispatch-sync [:initialize-db])
+  (dispatch-sync [:initialize-db])
-      (.registerComponent app-registry "SyngIm" #(r/reactify-component app-root)))
+  (dispatch [:initialize-protocol])
+  (.registerComponent app-registry "SyngIm" #(r/reactify-component app-root)))

syng-im/src/syng_im/constants.cljs

@@ -0,0 +1,5 @@
+(ns syng-im.constants)
+
+(def ethereum-rpc-url "http://localhost:8545")
+
+(def text-content-type "text/plain")

syng-im/src/syng_im/db.cljs

@@ -5,4 +5,13 @@
 (def schema {:greeting s/Str})
 
 ;; initial state of app-db
-(def app-db {:greeting "Hello Clojure in iOS and Android!"})
+(def app-db {:greeting "Hello Clojure in iOS and Android!"
+             :identity-password "replace-me-with-user-entered-password"})
+
+
+(def protocol-initialized-path [:protocol-initialized])
+(def simple-store-path [:simple-store])
+(def identity-password-path [:identity-password])
+(def current-chat-id-path [:chat :current-chat-id])
+(defn arrived-message-path [chat-id]
+  [:chat chat-id :arrived-message-id])

syng-im/src/syng_im/handlers.cljs

@@ -2,7 +2,14 @@
   (:require
     [re-frame.core :refer [register-handler after]]
     [schema.core :as s :include-macros true]
-    [syng-im.db :refer [app-db schema]]))
+    [syng-im.db :refer [app-db schema]]
+    [syng-im.protocol.api :refer [init-protocol]]
+    [syng-im.protocol.protocol-handler :refer [make-handler]]
+    [syng-im.models.protocol :refer [update-identity
+                                     set-initialized]]
+    [syng-im.models.messages :refer [save-message
+                                     new-message-arrived]]
+    [syng-im.utils.logging :as log]))
 
 ;; -- Middleware ------------------------------------------------------------
 ;;
@@ -11,22 +18,39 @@
 (defn check-and-throw
   "throw an exception if db doesn't match the schema."
   [a-schema db]
-    (if-let [problems (s/check a-schema db)]
+  (if-let [problems (s/check a-schema db)]
-      (throw (js/Error. (str "schema check failed: " problems)))))
+    (throw (js/Error. (str "schema check failed: " problems)))))
 
 (def validate-schema-mw
   (after (partial check-and-throw schema)))
 
 ;; -- Handlers --------------------------------------------------------------
 
-(register-handler
+(register-handler :initialize-db
-  :initialize-db
-  validate-schema-mw
   (fn [_ _]
     app-db))
 
-(register-handler
+;; -- Protocol --------------------------------------------------------------
-  :set-greeting
+
-  validate-schema-mw
+(register-handler :initialize-protocol
+  (fn [db [_]]
+    (init-protocol (make-handler db))
+    db))
+
+(register-handler :protocol-initialized
+  (fn [db [_ identity]]
+    (-> db
+        (update-identity identity)
+        (set-initialized true))))
+
+(register-handler :received-msg
+  (fn [db [_ {chat-id :from
+              msg-id  :msg-id :as msg}]]
+    (save-message chat-id msg)
+    (new-message-arrived db chat-id msg-id)))
+
+;; -- Something --------------------------------------------------------------
+
+(register-handler :set-greeting
   (fn [db [_ value]]
     (assoc db :greeting value)))

syng-im/src/syng_im/models/chat.cljs

@@ -0,0 +1,8 @@
+(ns syng-im.models.chat
+  (:require [syng-im.db :as db]))
+
+(defn set-current-chat-id [db chat-id]
+  (assoc-in db db/current-chat-id-path chat-id))
+
+(defn current-chat-id [db]
+  (get-in db db/current-chat-id-path))

syng-im/src/syng_im/models/messages.cljs

@@ -0,0 +1,46 @@
+(ns syng-im.models.messages
+  (:require [syng-im.persistence.realm :as r]
+            [cljs.reader :refer [read-string]]
+            [syng-im.utils.random :refer [timestamp]]
+            [syng-im.db :as db]))
+
+(defn save-message [chat-id {:keys [from to msg-id content content-type outgoing] :or {outgoing false} :as msg}]
+  (when-not (r/exists? :msgs :msg-id msg-id)
+    (r/write
+      (fn []
+        (r/create :msgs {:chat-id      chat-id
+                         :msg-id       msg-id
+                         :from         from
+                         :to           to
+                         :content      content
+                         :content-type content-type
+                         :outgoing     outgoing
+                         :timestamp    (timestamp)} true)))))
+
+(defn get-messages* [chat-id]
+  (-> (r/get-by-field :msgs :chat-id chat-id)
+      (r/sorted :timestamp :desc)
+      (r/page 0 10)))
+
+(defn get-messages [chat-id]
+  (-> (get-messages* chat-id)
+      (js->clj :keywordize-keys true)))
+
+(defn new-message-arrived [db chat-id msg-id]
+  (assoc-in db (db/arrived-message-path chat-id) msg-id))
+
+(comment
+
+  (save-message "0x040028c500ff086ecf1cfbb3c1a7240179cde5b86f9802e6799b9bbe9cdd7ad1b05ae8807fa1f9ed19cc8ce930fc2e878738c59f030a6a2f94b3522dc1378ff154"
+                {:msg-id       "153"
+                 :content      "hello!"
+                 :content-type "text/plain"})
+
+  (get-messages* "0x040028c500ff086ecf1cfbb3c1a7240179cde5b86f9802e6799b9bbe9cdd7ad1b05ae8807fa1f9ed19cc8ce930fc2e878738c59f030a6a2f94b3522dc1378ff154")
+
+  (get-messages "0x043df89d36f6e3d8ade18e55ac3e2e39406ebde152f76f2f82d674681d59319ffd9880eebfb4f5f8d5c222ec485b44d6e30ba3a03c96b1c946144fdeba1caccd43")
+
+  (doseq [msg (get-messages* "0x043df89d36f6e3d8ade18e55ac3e2e39406ebde152f76f2f82d674681d59319ffd9880eebfb4f5f8d5c222ec485b44d6e30ba3a03c96b1c946144fdeba1caccd43")]
+    (r/delete msg))
+
+  )

syng-im/src/syng_im/models/protocol.cljs

@@ -0,0 +1,27 @@
+(ns syng-im.models.protocol
+  (:require [cljs.reader :refer [read-string]]
+            [syng-im.protocol.state.storage :as s]
+            [syng-im.utils.encryption :refer [password-encrypt
+                                              password-decrypt]]
+            [syng-im.utils.types :refer [to-edn-string]]
+            [re-frame.db :refer [app-db]]
+            [syng-im.db :as db]
+            [syng-im.persistence.simple-kv-store :as kv]
+            [syng-im.utils.logging :as log]))
+
+(defn set-initialized [db initialized?]
+  (assoc-in db db/protocol-initialized-path initialized?))
+
+(defn update-identity [db identity]
+  (let [password  (get-in db db/identity-password-path)
+        encrypted (->> (to-edn-string identity)
+                       (password-encrypt password))]
+    (s/put kv/kv-store :identity encrypted)
+    (assoc db :user-identity identity)))
+
+(defn stored-identity [db]
+  (let [encrypted (s/get kv/kv-store :identity)
+        password  (get-in db db/identity-password-path)]
+    (when encrypted
+      (-> (password-decrypt password encrypted)
+          (read-string)))))

syng-im/src/syng_im/persistence/realm.cljs

@@ -0,0 +1,94 @@
+(ns syng-im.persistence.realm
+  (:require [cljs.reader :refer [read-string]]
+            [syng-im.utils.logging :as log]
+            [syng-im.utils.types :refer [to-string]])
+  (:refer-clojure :exclude [exists?]))
+
+(set! js/Realm (js/require "realm"))
+
+(def opts {:schema [{:name       "Contact"
+                     :properties {:phone-number     "string"
+                                  :whisper-identity "string"
+                                  :name             "string"
+                                  :photo-path       "string"}}
+                    {:name       :kv-store
+                     :primaryKey :key
+                     :properties {:key   "string"
+                                  :value "string"}}
+                    {:name       :msgs
+                     :primaryKey :msg-id
+                     :properties {:msg-id       "string"
+                                  :from         "string"
+                                  :to           "string"
+                                  :content      "string"    ;; TODO make it ArrayBuffer
+                                  :content-type "string"
+                                  :timestamp    "int"
+                                  :chat-id      "string"
+                                  :outgoing     "bool"}}]})
+
+(def realm (js/Realm. (clj->js opts)))
+
+(def schema-by-name (->> (:schema opts)
+                         (mapv (fn [{:keys [name] :as schema}]
+                                 [name schema]))
+                         (into {})))
+
+(defn field-type [schema-name field]
+  (get-in schema-by-name [schema-name :properties field]))
+
+(defn write [f]
+  (.write realm f))
+
+(defn create
+  ([schema-name obj]
+   (create schema-name obj false))
+  ([schema-name obj update?]
+   (.create realm (to-string schema-name) (clj->js obj) update?)))
+
+(defmulti to-query (fn [schema-name operator field value]
+                     operator))
+
+(defmethod to-query :eq [schema-name operator field value]
+  (let [value (to-string value)
+        query (str (name field) "=" (if (= "string" (field-type schema-name field))
+                                      (str "\"" value "\"")
+                                      value))
+        ;_     (log/debug query)
+        ]
+    query))
+
+(defn get-by-field [schema-name field value]
+  (-> (.objects realm (name schema-name))
+      (.filtered (to-query schema-name :eq field value))))
+
+(defn sorted [results field-name order]
+  (.sorted results (to-string field-name) (if (= order :asc)
+                                            false
+                                            true)))
+
+(defn page [results from to]
+  (js/Array.prototype.slice.call results from to))
+
+(defn single [result]
+  (-> (aget result 0)))
+
+(defn single-cljs [result]
+  (some-> (aget result 0)
+          (js->clj :keywordize-keys true)))
+
+(defn decode-value [{:keys [key value]}]
+  (read-string value))
+
+(defn delete [obj]
+  (write (fn []
+           (.delete realm obj))))
+
+(defn exists? [schema-name field value]
+  (> (.-length (get-by-field schema-name field value))
+     0))
+
+(defn get-count [objs]
+  (.-length objs))
+
+(defn get-list [schema-name]
+  (vals (js->clj (.objects realm schema-name) :keywordize-keys true)))

syng-im/src/syng_im/persistence/simple_kv_store.cljs

@@ -0,0 +1,24 @@
+(ns syng-im.persistence.simple-kv-store
+  (:require [syng-im.protocol.state.storage :as st]
+            [syng-im.persistence.realm :as r]
+            [syng-im.utils.types :refer [to-edn-string]]))
+
+(defrecord SimpleKvStore []
+  st/Storage
+  (put [_ key value]
+    (r/write
+      (fn []
+        (r/create :kv-store {:key   key
+                             :value (to-edn-string value)} true))))
+  (get [_ key]
+    (some-> (r/get-by-field :kv-store :key key)
+            (r/single-cljs)
+            (r/decode-value)))
+  (contains-key? [_ key]
+    (r/exists? :kv-store :key key))
+  (delete [_ key]
+    (-> (r/get-by-field :kv-store :key key)
+        (r/single)
+        (r/delete))))
+
+(def kv-store (->SimpleKvStore))

syng-im/src/syng_im/protocol/protocol_handler.cljs

@@ -0,0 +1,45 @@
+(ns syng-im.protocol.protocol-handler
+  (:require [syng-im.utils.logging :as log]
+            [syng-im.constants :refer [ethereum-rpc-url]]
+            [re-frame.core :refer [dispatch]]
+            [syng-im.models.protocol :refer [stored-identity]]
+            [syng-im.persistence.simple-kv-store :as kv]))
+
+
+(defn make-handler [db]
+  {:ethereum-rpc-url ethereum-rpc-url
+   :identity         (stored-identity db)
+   :storage          kv/kv-store
+   :handler          (fn [{:keys [event-type] :as event}]
+                       (log/info "Event:" (clj->js event))
+                       (case event-type
+                         :initialized (let [{:keys [identity]} event]
+                                        (dispatch [:protocol-initialized identity]))
+                         :new-msg (let [{:keys [from to payload]} event]
+                                    (dispatch [:received-msg (assoc payload :from from :to to)]))
+                         ;:msg-acked (let [{:keys [msg-id]} event]
+                         ;             (add-to-chat "chat" ":" (str "Message " msg-id " was acked")))
+                         ;:delivery-failed (let [{:keys [msg-id]} event]
+                         ;                   (add-to-chat "chat" ":" (str "Delivery of message " msg-id " failed")))
+                         ;:new-group-chat (let [{:keys [from group-id identities]} event]
+                         ;                  (set-group-id! group-id)
+                         ;                  (set-group-identities identities)
+                         ;                  (add-to-chat "group-chat" ":" (str "Received group chat invitation from " from " for group-id: " group-id)))
+                         ;:group-chat-invite-acked (let [{:keys [from group-id]} event]
+                         ;                           (add-to-chat "group-chat" ":" (str "Received ACK for group chat invitation from " from " for group-id: " group-id)))
+                         ;:new-group-msg (let [{from               :from
+                         ;                      {content :content} :payload} event]
+                         ;                 (add-to-chat "group-chat" from content))
+                         ;:group-new-participant (let [{:keys [group-id identity from]} event]
+                         ;                         (add-to-chat "group-chat" ":" (str (shorten from) " added " (shorten identity) " to group chat"))
+                         ;                         (add-identity-to-group-list identity))
+                         ;:group-removed-participant (let [{:keys [group-id identity from]} event]
+                         ;                             (add-to-chat "group-chat" ":" (str (shorten from) " removed " (shorten identity) " from group chat"))
+                         ;                             (remove-identity-from-group-list identity))
+                         ;:removed-from-group (let [{:keys [group-id from]} event]
+                         ;                      (add-to-chat "group-chat" ":" (str (shorten from) " removed you from group chat")))
+                         ;:participant-left-group (let [{:keys [group-id from]} event]
+                         ;                          (add-to-chat "group-chat" ":" (str (shorten from) " left group chat")))
+                         ;(add-to-chat "chat" ":" (str "Don't know how to handle " event-type))
+                         (log/info "Don't know how to handle" event-type)
+                         ))})

syng-im/src/syng_im/utils/event.cljs

@@ -0,0 +1,9 @@
+(ns syng-im.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))))))

syng-im/src/syng_im/utils/types.cljs

@@ -0,0 +1,9 @@
+(ns syng-im.utils.types)
+
+(defn to-string [s]
+  (if (keyword? s)
+    (name s)
+    s))
+
+(defn to-edn-string [value]
+  (with-out-str (pr value)))