feat: Conversation and contact endpoint (#3198)

app/views/api/v1/accounts/contacts/filter.json.jbuilder

@@ -0,0 +1,3 @@
+json.array! @contacts do |contact|
+  json.partial! 'api/v1/models/contact.json.jbuilder', resource: contact
+end

app/views/api/v1/accounts/conversations/filter.json.jbuilder

@@ -0,0 +1,3 @@
+json.array! @conversations do |conversation|
+  json.partial! 'api/v1/models/conversation.json.jbuilder', conversation: conversation
+end

app/views/api/v1/accounts/conversations/search.json.jbuilder

@@ -5,26 +5,6 @@ json.meta do
 end
 json.payload do
   json.array! @conversations do |conversation|
-    json.id conversation.display_id
-    json.created_at conversation.created_at.to_i
-    json.contact do
-      json.id conversation.contact.id
-      json.name conversation.contact.name
-    end
-    json.inbox do
-      json.id conversation.inbox.id
-      json.name conversation.inbox.name
-      json.channel_type conversation.inbox.channel_type
-    end
-    json.messages do
-      json.array! conversation.messages do |message|
-        json.content message.content
-        json.id message.id
-        json.sender_name message.sender.name if message.sender
-        json.message_type message.message_type_before_type_cast
-        json.created_at message.created_at.to_i
-      end
-    end
-    json.account_id conversation.account_id
+    json.partial! 'api/v1/models/conversation.json.jbuilder', conversation: conversation
   end
 end

app/views/api/v1/models/_conversation.json.jbuilder

@@ -0,0 +1,21 @@
+json.id conversation.display_id
+json.created_at conversation.created_at.to_i
+json.contact do
+  json.id conversation.contact.id
+  json.name conversation.contact.name
+end
+json.inbox do
+  json.id conversation.inbox.id
+  json.name conversation.inbox.name
+  json.channel_type conversation.inbox.channel_type
+end
+json.messages do
+  json.array! conversation.messages do |message|
+    json.content message.content
+    json.id message.id
+    json.sender_name message.sender.name if message.sender
+    json.message_type message.message_type_before_type_cast
+    json.created_at message.created_at.to_i
+  end
+end
+json.account_id conversation.account_id