GncQuotes - rename fetch_all to be an overload of fetch

And add a third overload to fetch only a single quote

gnucash/gnome-utils/dialog-transfer.cpp

@@ -1795,7 +1795,7 @@ gnc_xfer_dialog_fetch (GtkButton *button, XferDialog *xferData)
     }
 
     gnc_set_busy_cursor (nullptr, TRUE);
-    quotes.fetch_all();
+    quotes.fetch();
     gnc_unset_busy_cursor (nullptr);
 
     /*the results should be in the price db now, but don't crash if not. */

gnucash/gnome/dialog-price-edit-db.cpp

@@ -569,7 +569,7 @@ gnc_prices_dialog_get_quotes_clicked (GtkWidget *widget, gpointer data)
     }
 
     gnc_set_busy_cursor (NULL, TRUE);
-    quotes.fetch_all();
+    quotes.fetch();
     gnc_unset_busy_cursor (NULL);
 
     /* Without this, the summary bar on the accounts tab

gnucash/gnucash-commands.cpp

@@ -356,7 +356,7 @@ Gnucash::add_quotes (const bo_str& uri)
         std::cerr << bl::translate ("Error message:") << std::endl;
         std::cerr << quotes.error_msg() << std::endl;
     }
-    quotes.fetch_all ();
+    quotes.fetch ();
 
     qof_session_save(session, NULL);
     if (qof_session_get_error(session) != ERR_BACKEND_NO_ERR)

libgnucash/app-utils/gnc-quotes.cpp

@@ -66,8 +66,9 @@ public:
     GncQuotesImpl ();
     GncQuotesImpl (QofBook *book);
 
-    void fetch_all ();
-    void fetch (const CommVec& commodities);
+    void fetch ();
+    void fetch (CommVec& commodities);
+    void fetch (gnc_commodity *comm);
 
     const int cmd_result() noexcept { return m_cmd_result; }
     const std::string& error_msg() noexcept { return m_error_msg; }
@@ -148,9 +149,9 @@ GncQuotesImpl::sources_as_glist()
 
 
 void
-GncQuotesImpl::fetch (const CommVec& commodities)
+GncQuotesImpl::fetch (CommVec& commodities)
 {
-    m_comm_vec = commodities;  // Store for later use
+    m_comm_vec = std::move (commodities);  // Store for later use
 
     bpt::ptree pt, pt_child;
     pt.put ("defaultcurrency", gnc_commodity_get_mnemonic (m_dflt_curr));
@@ -205,7 +206,7 @@ GncQuotesImpl::fetch (const CommVec& commodities)
 
 
 void
-GncQuotesImpl::fetch_all ()
+GncQuotesImpl::fetch ()
 {
     auto commodities = gnc_quotes_get_quotable_commodities (
         gnc_commodity_table_get_table (m_book));
@@ -213,6 +214,15 @@ GncQuotesImpl::fetch_all ()
     fetch (commodities);
 }
 
+
+void
+GncQuotesImpl::fetch (gnc_commodity *comm)
+{
+    auto commodities = CommVec {comm};
+
+    fetch (commodities);
+}
+
 static const std::vector <std::string>
 format_quotes (const std::vector<gnc_commodity*>)
 {
@@ -529,16 +539,21 @@ GncQuotes::GncQuotes (QofBook *book)
 }
 
 void
-GncQuotes::fetch_all ()
+GncQuotes::fetch (void)
 {
-    m_impl->fetch_all ();
+    m_impl->fetch ();
 }
 
-void GncQuotes::fetch (const CommVec& commodities)
+void GncQuotes::fetch (CommVec& commodities)
 {
     m_impl->fetch (commodities);
 }
 
+void GncQuotes::fetch (gnc_commodity *comm)
+{
+    m_impl->fetch (comm);
+}
+
 const int GncQuotes::cmd_result() noexcept
 {
     return m_impl->cmd_result ();

libgnucash/app-utils/gnc-quotes.hpp

@@ -26,9 +26,9 @@
 #include <string>
 #include <vector>
 #include <gnc-commodity.hpp>  // For CommVec alias
+#include <glib.h>
 
 extern  "C" {
-#include <glib.h>
 #include <qofbook.h>
 }
 
@@ -48,8 +48,12 @@ public:
     GncQuotes (QofBook *book);
     ~GncQuotes ();
 
-    void fetch_all ();
-    void fetch (const CommVec& commodities);
+    // Fetch quotes for all commodities in our db that have a quote source set
+    void fetch (void);
+    // Only fetch quotes for the commodities passed that have a quote source  set
+    void fetch (CommVec& commodities);
+    // Fetch quote for the commodity if it has a quote source  set
+    void fetch (gnc_commodity *comm);
 
     const int cmd_result() noexcept;
     const std::string& error_msg() noexcept;