From 0e1261269bb54970abd27282ee35eccd6071606b Mon Sep 17 00:00:00 2001
From: Bryce Covert <contact.bryce@brycecovertoperations.com>
Date: Tue, 27 Oct 2020 21:03:47 -0700
Subject: [PATCH] allowing users to self service delete links to payments.

---
 src/clj/auto_ap/graphql.clj                   |  5 +++
 src/clj/auto_ap/graphql/transactions.clj      | 37 +++++++++++++++++++
 .../views/pages/transactions/form.cljs        | 21 +++++++++++
 3 files changed, 63 insertions(+)

diff --git a/src/clj/auto_ap/graphql.clj b/src/clj/auto_ap/graphql.clj
index fab231bd..c90607a4 100644
--- a/src/clj/auto_ap/graphql.clj
+++ b/src/clj/auto_ap/graphql.clj
@@ -911,6 +911,10 @@
                                      :all {:type 'Boolean}
                                      :transaction_rule_id {:type :id}}
                               :resolve :mutation/match-transaction-rules}
+
+    :unlink_transaction {:type :transaction
+                         :args {:transaction_id {:type :id}}
+                         :resolve :mutation/unlink-transaction}
     :void_invoice {:type :invoice
                    :args {:invoice_id {:type :id}}
                    :resolve :mutation/void-invoice}
@@ -1183,6 +1187,7 @@
                          :mutation/add-and-print-invoice gq-invoices/add-and-print-invoice
                          :mutation/edit-invoice gq-invoices/edit-invoice
                          :mutation/edit-transaction gq-transactions/edit-transaction
+                         :mutation/unlink-transaction gq-transactions/unlink-transaction
                          :mutation/unapprove-transactions gq-transactions/unapprove-transactions
                          :mutation/delete-external-ledger gq-ledger/delete-external-ledger
                          :mutation/delete-transactions gq-transactions/delete-transactions
diff --git a/src/clj/auto_ap/graphql/transactions.clj b/src/clj/auto_ap/graphql/transactions.clj
index 9a67e5e9..bf1eddd5 100644
--- a/src/clj/auto_ap/graphql/transactions.clj
+++ b/src/clj/auto_ap/graphql/transactions.clj
@@ -80,6 +80,43 @@
      (:id context))
     {:message (str "Succesfully deleted " (count all-ids) " transactions.")}))
 
+(defn unlink-transaction [context args value]
+  (let [_ (assert-admin (:id context))
+        args (assoc args :id (:id context))
+        transaction-id (:transaction_id args)
+        transaction (d/pull (d/db conn)
+                            [:transaction/approval-status
+                             :transaction/status
+                             :transaction/location
+                             :transaction/vendor
+                             :transaction/accounts
+                             
+                             {:transaction/payment [{:payment/status [:db/ident]} :db/id]} ]
+                            transaction-id)
+        payment (-> transaction :transaction/payment ) 
+        ]
+
+    (log/info "Unlinking " transaction-id " from payment " payment)
+    (when (not= :payment-status/cleared (-> payment :payment/status :db/ident))
+      (throw (ex-info "Payment can't be undone because it isn't cleared." {:validation-error "Payment can't be undone because it isn't cleared."})))
+    (audit-transact
+     (into [{:db/id (:db/id payment)
+             :payment/status :payment-status/pending}
+            {:db/id transaction-id
+             :transaction/approval-status :transaction-approval-status/unapproved}
+            [:db/retract transaction-id :transaction/payment (:db/id payment)]
+            [:db/retract transaction-id :transaction/vendor (:db/id (:transaction/vendor transaction))]
+            [:db/retract transaction-id :transaction/location (:transaction/location transaction)]]
+
+           (map (fn [a]
+                  [:db/retract transaction-id :transaction/accounts (:db/id a)])
+                (:transaction/accounts transaction)))
+     (:id context))
+    (-> (d-transactions/get-by-id transaction-id)
+        approval-status->graphql
+        ->graphql)))
+
+
 (defn transaction-account->entity [{:keys [id account_id amount location]}]
   (remove-nils #:transaction-account {:amount (Double/parseDouble amount)
                                       :db/id id
diff --git a/src/cljs/auto_ap/views/pages/transactions/form.cljs b/src/cljs/auto_ap/views/pages/transactions/form.cljs
index be8ee2ae..dab015c7 100644
--- a/src/cljs/auto_ap/views/pages/transactions/form.cljs
+++ b/src/cljs/auto_ap/views/pages/transactions/form.cljs
@@ -122,6 +122,21 @@
                    [::edited (first (:match-transaction-rules result))])
      :on-error [::forms/save-error ::form]}}))
 
+(re-frame/reg-event-fx
+ ::unlink
+ [with-user (forms/triggers-loading ::form) (forms/in-form ::form)]
+ (fn [{{{:keys [id]} :data} :db user :user} [_]]
+   {:graphql
+    {:token user
+     :query-obj {:venia/operation {:operation/type :mutation
+                                   :operation/name "UnlinkTransaction"}
+                 :venia/queries [{:query/data [:unlink-transaction
+                                               {:transaction-id id}
+                                               transaction-read]}]}  
+     :on-success (fn [result]
+                   [::edited (:unlink-transaction result)])
+     :on-error [::forms/save-error ::form]}}))
+
 (re-frame/reg-event-fx
  ::edited
  [(forms/triggers-stop ::form)]
@@ -274,6 +289,12 @@
                                          :type "typeahead-entity"
                                          :field [:forecast-match]}])
 
+               (when (and (:payment data)
+                          is-admin?)
+                 [:p.notification.is-info.is-light>div.level>div.level-left
+                  [:div.level-item "This transaction is linked to a payment "]
+                  [:div.level-item [:button.button.is-warning {:on-click (dispatch-event [::unlink])} "Unlink"]]])
+
                
                (error-notification)
                (when-not should-disable-for-client?