pagination.

src/clj/auto_ap/db/invoices.clj

@@ -71,12 +71,23 @@
           q)))
 
 
-(defn get-graphql [{:keys [imported company-id sort-by asc]}]
+
+(defn base-graphql [{:keys [imported company-id]}]
+  (cond-> base-query
+    (not (nil? imported)) (helpers/merge-where [:= :imported imported])
+    (not (nil? company-id)) (helpers/merge-where [:= :company-id company-id])
+    ))
+
+(defn get-graphql [{:keys [start sort-by asc] :as args}]
   (query
-   (cond-> base-query
-     (not (nil? imported)) (helpers/merge-where [:= :imported imported])
-     (not (nil? company-id)) (helpers/merge-where [:= :company-id company-id])
-     (not (nil? sort-by) ) (add-sort-by sort-by asc))))
+   (cond-> (base-graphql args)
+     (not (nil? sort-by) ) (add-sort-by sort-by asc)
+     true (assoc :limit 20)
+     start (assoc :offset start))))
+
+(defn count-graphql [args]
+  (:count (first (query
+                  (assoc (base-graphql args) :select [:%count.*])))))
 
 (defn import [parsed-invoices companies vendors]
   (insert-multi!

src/clj/auto_ap/graphql.clj

@@ -36,15 +36,22 @@
 
                        :resolve :get-vendor-for-invoice}
               :company {:type :company
-                        :resolve :get-company-for-invoice}}}}
+                        :resolve :get-company-for-invoice}}}
+
+    :invoice_page {:fields {:invoices {:type '(list :invoice)}
+                            :count {:type 'Int}
+                            :total {:type 'Int}
+                            :start {:type 'Int}
+                            :end {:type 'Int}}}}
    :queries
-   {:invoice {:type '(list :invoice)
-              :args {:imported {:type 'Boolean}
-                     :company_id {:type 'Int}
-                     :sort_by {:type 'String}
-                     :asc {:type 'Boolean}}
-              
-              :resolve :get-invoice}
+   {:invoice_page {:type '(list :invoice_page)
+                   :args {:imported {:type 'Boolean}
+                          :company_id {:type 'Int}
+                          :start {:type 'Int}
+                          :sort_by {:type 'String}
+                          :asc {:type 'Boolean}}
+                   
+                   :resolve :get-invoice-page}
     :company {:type '(list :company)
               :resolve :get-company}
     :vendor {:type '(list :vendor)
@@ -93,17 +100,22 @@
         node))
     m))
 
-(defn get-invoice [context args value]
-
-  (println (<-graphql args))
+(defn get-invoice-page [context args value]
   (let [extra-context
         (cond->  {}
           (executor/selects-field? context :invoice/vendor) (assoc :vendor-cache (by (vendors/get-all) :id ))
-          (executor/selects-field? context :invoice/company) (assoc :company-cache (by (companies/get-all) :id )))]
+          (executor/selects-field? context :invoice/company) (assoc :company-cache (by (companies/get-all) :id )))
+
+        invoices (map
+                  ->graphql
+                  (invoices/get-graphql (<-graphql args)))
+        invoice-count (invoices/count-graphql (<-graphql args))]
     (resolve/with-context
-      (map
-        ->graphql
-        (invoices/get-graphql (<-graphql args))) extra-context)))
+      [{:invoices invoices
+        :total invoice-count
+        :count (count invoices)
+        :start (:start args 0)
+        :end (+ (:start args 0) (count invoices))}] extra-context)))
 
 (defn get-vendor-for-invoice [context args value]
   (->graphql
@@ -127,7 +139,7 @@
 
 (def schema
   (-> integreat-schema
-      (attach-resolvers {:get-invoice get-invoice
+      (attach-resolvers {:get-invoice-page get-invoice-page
                          :get-vendor-for-invoice get-vendor-for-invoice
                          :get-company-for-invoice get-company-for-invoice
                          :get-company get-company