local storage

src/cljs/chicken_master/backend_mocks.cljs

@@ -1,39 +1,57 @@
 (ns chicken-master.backend-mocks
   (:require [chicken-master.time :as time]))
 
+(defn set-item!
+  "Set `key' in browser's localStorage to `val`."
+  [key val]
+  (.setItem (.-localStorage js/window) key val))
+
+(defn get-item
+  "Returns value of `key' from browser's localStorage."
+  [key]
+  (cljs.reader/read-string (.getItem (.-localStorage js/window) key)))
+
+(defn remove-item!
+  "Remove the browser's localStorage value for the given `key`"
+  [key]
+  (.removeItem (.-localStorage js/window) key))
 ;;;; Stock
 
-(def stock-products (atom {:eggs 22 :milk 32 :cabbage 54 :carrots 11 :cows 32 :ants 21}))
-
-(defn get-all-products [] @stock-products)
+(defn get-all-products [] (get-item :stock-products))
 (defn save-stocks [new-products]
-  (reset! stock-products new-products))
+  (set-item! :stock-products new-products))
 
 ;;; Orders
-
-(def id-counter (atom -1))
 (def notes ["bezglutenowy"
             "tylko z robakami"
             "przyjdzie wieczorem"
             "wisi 2.50"
             "chciała ukraść kozę"])
-(def products (atom [:eggs :milk :cabbage :carrots]))
-(def customers (atom [{:id 1 :name "mr.blobby (649 234 234)"}
+
+(defn storage-swap! [val fun & args]
+  (set-item! val (apply fun (get-item val) args))
+  (get-item val))
+
+(defn generate-items []
+  (set-item! :stock-products {:eggs 22 :milk 32 :cabbage 54 :carrots 11 :cows 32 :ants 21})
+  (set-item! :id-counter -1)
+
+  (set-item! :products [:eggs :milk :cabbage :carrots])
+  (set-item! :customers [{:id 1 :name "mr.blobby (649 234 234)"}
                          {:id 2 :name "da police (0118 999 881 999 119 725 123123 12 3123 123 )"}
-                      {:id 3 :name "johnny"}]))
-(def orders
-  (atom
+                         {:id 3 :name "johnny"}])
+  (set-item! :orders
               (->> (time/date-offset (new js/Date) -50)
                    (time/days-range 90)
                    (map (fn [date]
-               [(time/iso-date date) (repeatedly (rand-int 6) #(swap! id-counter inc))]))
+                          [(time/iso-date date) (repeatedly (rand-int 6) #(storage-swap! :id-counter inc))]))
                    (map (fn [[day ids]]
                           (map (fn [i]
                                  {:id i :day day
                                   :notes (when (> (rand) 0.7) (rand-nth notes))
                                   :state :waiting
-                       :who (rand-nth @customers)
-                       :products (->> @products
+                                  :who (rand-nth (get-item :customers))
+                                  :products (->> (get-item :products)
                                                  (random-sample 0.4)
                                                  (map #(vector % (rand-int 10)))
                                                  (into {}))
@@ -42,10 +60,11 @@
                    flatten
                    (map #(vector (:id %) %))
                    (into {}))))
-
+(if-not (get-item :orders)
+  (generate-items))
 
 (defn fetch-customers [_]
-  @customers)
+  (get-item :customers))
 
 (defn fetch-stock [params]
   {:customers (fetch-customers params)
@@ -53,49 +72,49 @@
 
 (defn add-customer [{:keys [name] :as params}]
   (prn name)
-  (swap! customers conj {:id (->> @customers (map :id) (apply max) inc)
+  (storage-swap! :customers conj {:id (->> (get-item :customers) (map :id) (apply max) inc)
                                  :name name})
-  (prn @customers)
+  (prn (get-item :customers))
   (fetch-stock params))
 
 (defn delete-customer [id]
-  {:orders (swap! orders #(->> % (remove (comp #{id} :id :who second)) (into {})))
-   :customers (swap! customers (partial remove (comp #{id} :id)))})
+  {:orders (storage-swap! :orders #(->> % (remove (comp #{id} :id :who second)) (into {})))
+   :customers (storage-swap! :customers (partial remove (comp #{id} :id)))})
 
 
-(defn- day-customers [day] [day (->> @orders vals (filter (comp #{day} :day)))])
+(defn- day-customers [day] [day (->> :orders get-item vals (filter (comp #{day} :day)))])
 (defn- days-between [from to]
   (time/days-range
    (int (/ (- (time/parse-date to) (time/parse-date from)) (* 24 3600000)))
    (time/parse-date from)))
 
 (defn fetch-orders [{:keys [from to]}]
-  {:orders @orders})
+  {:orders (get-item :orders)})
 
 (defn- replace-order [id order]
   (println "replacing order" order)
-  (let [prev-day (:day (get @orders id))
-        order (update order :id #(or % (swap! id-counter inc)))]
-    (swap! orders assoc (:id order) order)
+  (let [prev-day (:day (get (get-item :orders) id))
+        order (update order :id #(or % (storage-swap! :id-counter inc)))]
+    (storage-swap! :orders assoc (:id order) order)
     (if prev-day
       {prev-day (->> prev-day day-customers second)
        (:day order) (->> order :day day-customers second)}
       {(:day order) (->> order :day day-customers second)})))
 
 (defn- delete-order [id]
-  (println "deleting order" id (get @orders id))
-  (let [day (-> (get @orders id) :day)]
-    (swap! orders #(dissoc % id))
+  (println "deleting order" id (get (get-item :orders) id))
+  (let [day (-> (get (get-item :orders) id) :day)]
+    (storage-swap! :orders #(dissoc % id))
     {day (->> day day-customers second)}))
 
 (defn- order-state [{id :id state :state :as bla}]
   (prn "fulfilling order" id state bla)
   (condp = state
-    :fulfilled (->> id (get @orders) :products (swap! stock-products #(merge-with - %1 %2)))
-    :waiting (->> id (get @orders) :products (swap! stock-products #(merge-with + %1 %2))))
-  (let [day (-> (get @orders id) :day)]
-    (swap! orders #(assoc-in % [id :state] state))
-    (println id (get @orders id))
+    :fulfilled (->> id (get (get-item :orders)) :products (storage-swap! :stock-products #(merge-with - %1 %2)))
+    :waiting (->> id (get (get-item :orders)) :products (storage-swap! :stock-products #(merge-with + %1 %2))))
+  (let [day (-> (get (get-item :orders) id) :day)]
+    (storage-swap! :orders #(assoc-in % [id :state] state))
+    (println id (get (get-item :orders) id))
     {day (->> day day-customers second)}))
 
 

src/cljs/chicken_master/products.cljs

@@ -62,6 +62,7 @@
     (fn []
       (let [products (->> @state
                           keys
+                          sort
                           (map (partial product-item available-prods state))
                           (into [:div {:class :product-items-edit}]))]
         (if getter-fn