v1.0.95: шаг4 — идемпотентность, проверка supplement уже обработан

apply_events.cfm

@@ -16,6 +16,14 @@
     <cfelseif NOT len(supplementId)>
         <cfset result.error = "supplement_id required (JSON body)">
     <cfelse>
+        <!--- Идемпотентность: проверка что supplement ещё не обработан --->
+        <cfquery name="dupCheck" datasource="baza">
+            SELECT COUNT(*) as cnt FROM spec_events
+            WHERE supplement_id = <cfqueryparam value="#supplementId#" cfsqltype="cf_sql_varchar">
+        </cfquery>
+        <cfif dupCheck.cnt GT 0>
+            <cfset result = {ok: true, skipped: true, message: "supplement already processed", supplement_id: supplementId}>
+        <cfelse>
         <cftransaction>
             <cfset seq = 0>
             <cfquery name="sq" datasource="baza">
@@ -185,6 +193,7 @@
 
             <cfset result = {ok: true, contract_id: url.contract_id, supplement_id: supplementId, summary: summary}>
         </cftransaction>
+        </cfif>
     </cfif>
     <cfcatch>
         <cfset result = {ok: false, error: cfcatch.message, detail: cfcatch.detail}>