feat: Ability to search conversation with message content (#1265)

- API end point which takes message content as search parameter
- end point supports additional filtering with labels and inbox ids
- swagger doc

app/controllers/api/v1/accounts/conversations_controller.rb

@@ -15,6 +15,12 @@ class Api::V1::Accounts::ConversationsController < Api::V1::Accounts::BaseContro
     @conversations_count = result[:count]
   end
 
+  def search
+    result = conversation_finder.perform
+    @conversations = result[:conversations]
+    @conversations_count = result[:count]
+  end
+
   def create
     @conversation = ::Conversation.create!(conversation_params)
   end

app/finders/conversation_finder.rb

@@ -27,6 +27,7 @@ class ConversationFinder
     find_all_conversations
     filter_by_status
     filter_by_labels if params[:labels]
+    filter_by_query if params[:q]
 
     mine_count, unassigned_count, all_count = set_count_for_all_conversations
 
@@ -76,6 +77,12 @@ class ConversationFinder
     @conversations
   end
 
+  def filter_by_query
+    @conversations = @conversations.joins(:messages).where('messages.content LIKE :search',
+                                                           search: "%#{params[:q]}%").includes(:messages).where('messages.content LIKE :search',
+                                                                                                                search: "%#{params[:q]}%")
+  end
+
   def filter_by_status
     @conversations = @conversations.where(status: params[:status] || DEFAULT_STATUS)
   end

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

@@ -0,0 +1,22 @@
+json.data do
+  json.meta do
+    json.mine_count @conversations_count[:mine_count]
+    json.unassigned_count @conversations_count[:unassigned_count]
+    json.all_count @conversations_count[:all_count]
+  end
+  json.payload do
+    json.array! @conversations do |conversation|
+      json.inbox_id conversation.inbox_id
+      json.messages conversation.messages
+      json.status conversation.status
+      json.muted conversation.muted?
+      json.can_reply conversation.can_reply?
+      json.timestamp conversation.messages.last.try(:created_at).try(:to_i)
+      json.contact_last_seen_at conversation.contact_last_seen_at.to_i
+      json.agent_last_seen_at conversation.agent_last_seen_at.to_i
+      json.additional_attributes conversation.additional_attributes
+      json.account_id conversation.account_id
+      json.labels conversation.label_list
+    end
+  end
+end